diff --git a/.vscode/settings.json b/.vscode/settings.json
index 7f35355..bf81191 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -3,5 +3,11 @@
     "python.formatting.provider": "black",
     "python.linting.enabled": true,
     "python.linting.pylintEnabled": false,
-    "python.linting.flake8Enabled": true
+    "python.linting.flake8Enabled": true,
+    "python.testing.pytestArgs": [
+        "tests"
+    ],
+    "python.testing.unittestEnabled": false,
+    "python.testing.nosetestsEnabled": false,
+    "python.testing.pytestEnabled": true
 }
\ No newline at end of file
diff --git a/project/__init__.py b/project/__init__.py
index 6f4026f..faa803c 100644
--- a/project/__init__.py
+++ b/project/__init__.py
@@ -51,7 +51,7 @@ mail_server = os.getenv("MAIL_SERVER")
 if mail_server is None:
     app.config["MAIL_SUPPRESS_SEND"] = True
     app.config["MAIL_DEFAULT_SENDER"] = "test@oveda.de"
-else:
+else:  # pragma: no cover
     app.config["MAIL_SUPPRESS_SEND"] = False
     app.config["MAIL_SERVER"] = mail_server
     app.config["MAIL_PORT"] = os.getenv("MAIL_PORT")
@@ -120,5 +120,5 @@ from project.views import (
     widget,
 )
 
-if __name__ == "__main__":
+if __name__ == "__main__":  # pragma: no cover
     app.run()
diff --git a/project/access.py b/project/access.py
index b1f6fce..1ae3c21 100644
--- a/project/access.py
+++ b/project/access.py
@@ -3,6 +3,7 @@ from flask_security import current_user
 from flask_security.utils import FsPermNeed
 from flask_principal import Permission
 from project.models import AdminUnitMember, AdminUnit
+from project.services.admin_unit import get_member_for_admin_unit_by_user_id
 
 
 def has_current_user_permission(permission):
@@ -10,6 +11,13 @@ def has_current_user_permission(permission):
     return user_perm.can()
 
 
+def has_admin_unit_member_role(admin_unit_member, role_name):
+    for role in admin_unit_member.roles:
+        if role.name == role_name:
+            return True
+    return False
+
+
 def has_admin_unit_member_permission(admin_unit_member, permission):
     for role in admin_unit_member.roles:
         if permission in role.get_permissions():
@@ -17,16 +25,26 @@ def has_admin_unit_member_permission(admin_unit_member, permission):
     return False
 
 
+def get_current_user_member_for_admin_unit(admin_unit_id):
+    return get_member_for_admin_unit_by_user_id(admin_unit_id, current_user.id)
+
+
 def has_current_user_member_permission_for_admin_unit(admin_unit_id, permission):
-    admin_unit_member = AdminUnitMember.query.filter_by(
-        admin_unit_id=admin_unit_id, user_id=current_user.id
-    ).first()
+    admin_unit_member = get_current_user_member_for_admin_unit(admin_unit_id)
     if admin_unit_member is not None:
         if has_admin_unit_member_permission(admin_unit_member, permission):
             return True
     return False
 
 
+def has_current_user_member_role_for_admin_unit(admin_unit_id, role_name):
+    admin_unit_member = get_current_user_member_for_admin_unit(admin_unit_id)
+    if admin_unit_member is not None:
+        if has_admin_unit_member_role(admin_unit_member, role_name):
+            return True
+    return False
+
+
 def has_current_user_permission_for_admin_unit(admin_unit, permission):
     if not current_user.is_authenticated:
         return False
@@ -49,44 +67,10 @@ def access_or_401(admin_unit, permission):
         abort(401)
 
 
-def can_list_admin_unit_members(admin_unit):
-    return has_current_user_permission_for_admin_unit(
-        admin_unit, "admin_unit.members:read"
-    )
-
-
-def can_create_event(admin_unit):
-    return has_current_user_permission_for_admin_unit(admin_unit, "event:create")
-
-
-def can_update_event(event):
-    return has_current_user_permission_for_admin_unit(event.admin_unit, "event:update")
-
-
-def can_delete_event(event):
-    return has_current_user_permission_for_admin_unit(event.admin_unit, "event:delete")
-
-
 def can_reference_event(event):
     return len(get_admin_units_for_event_reference(event)) > 0
 
 
-def can_update_organizer(organizer):
-    return get_admin_unit_for_manage(organizer.admin_unit_id) is not None
-
-
-def can_create_admin_unit():
-    return current_user.is_authenticated
-
-
-def can_verify_event_for_admin_unit(admin_unit):
-    return has_current_user_permission_for_admin_unit(admin_unit, "event:verify")
-
-
-def can_verify_event(event):
-    return can_verify_event_for_admin_unit(event.admin_unit)
-
-
 def get_admin_units_with_current_user_permission(permission):
     result = list()
 
diff --git a/project/dateutils.py b/project/dateutils.py
index 58d6013..6baf2f3 100644
--- a/project/dateutils.py
+++ b/project/dateutils.py
@@ -35,7 +35,7 @@ def form_input_to_date(date_str, hour=0, minute=0, second=0):
 
 
 def form_input_from_date(date):
-    return date.strftime("%Y-%m-%d")
+    return date.strftime("%Y-%m-%d") if date else ""
 
 
 def dates_from_recurrence_rule(start, recurrence_rule):
diff --git a/project/forms/planing.py b/project/forms/planing.py
index 01197a9..c40821c 100644
--- a/project/forms/planing.py
+++ b/project/forms/planing.py
@@ -1,4 +1,3 @@
-from flask import request
 from flask_babelex import lazy_gettext
 from flask_wtf import FlaskForm
 from wtforms import HiddenField, StringField, SubmitField, SelectField
@@ -32,6 +31,3 @@ class PlaningForm(FlaskForm):
     )
 
     submit = SubmitField(lazy_gettext("Find"))
-
-    def is_submitted(self):
-        return "submit" in request.args
diff --git a/project/forms/widgets.py b/project/forms/widgets.py
index c43295d..91ea8a5 100644
--- a/project/forms/widgets.py
+++ b/project/forms/widgets.py
@@ -1,5 +1,6 @@
 from wtforms import DateTimeField, SelectMultipleField, SelectField
-from wtforms.widgets import html_params, HTMLString, ListWidget, CheckboxInput
+from wtforms.widgets import html_params, ListWidget, CheckboxInput
+from markupsafe import Markup
 from wtforms.validators import StopValidation
 from datetime import datetime
 from flask_babelex import to_user_timezone, gettext
@@ -37,7 +38,7 @@ class CustomDateTimeWidget:
         time_minute_params = html_params(name=field.name, id=id + "-minute", **kwargs)
         clear_button_id = id + "-clear-button"
 
-        return HTMLString(
+        return Markup(
             '<div class="input-group-prepend mt-1"><input type="text" class="datepicker" {}/><button class="btn btn-outline-secondary" type="button" id="{}"><i class="fa fa-times"></i></button></div><div class="mx-2"></div><div class="input-group-append mt-1"><select {}>{}</select><span class="input-group-text">:</span><select {}>{}</select></div>'.format(
                 date_params,
                 clear_button_id,
@@ -80,7 +81,7 @@ class CustomDateWidget:
             date = date_value.strftime("%Y-%m-%d")
 
         date_params = html_params(name=field.name, id=id, value=date, **kwargs)
-        return HTMLString('<input type="text" {}/>'.format(date_params))
+        return Markup('<input type="text" {}/>'.format(date_params))
 
 
 class CustomDateField(DateTimeField):
diff --git a/project/init_data.py b/project/init_data.py
index dc16803..2633da0 100644
--- a/project/init_data.py
+++ b/project/init_data.py
@@ -1,6 +1,7 @@
 from project import app, db
-from project.services.user import upsert_user_role, add_roles_to_user
+from project.services.user import upsert_user_role, add_admin_roles_to_user
 from project.services.admin_unit import upsert_admin_unit_member_role
+from project.services.event import upsert_event_category
 from project.models import Location
 
 
@@ -41,8 +42,27 @@ def create_initial_data():
 
     upsert_user_role("admin", "Administrator", admin_permissions)
     upsert_user_role("event_verifier", "Event expert", event_permissions)
-    add_roles_to_user("grams.daniel@gmail.com", ["admin", "event_verifier"])
+    add_admin_roles_to_user("grams.daniel@gmail.com")
 
     Location.update_coordinates()
 
+    upsert_event_category("Art")
+    upsert_event_category("Book")
+    upsert_event_category("Movie")
+    upsert_event_category("Family")
+    upsert_event_category("Festival")
+    upsert_event_category("Religious")
+    upsert_event_category("Shopping")
+    upsert_event_category("Comedy")
+    upsert_event_category("Music")
+    upsert_event_category("Dance")
+    upsert_event_category("Nightlife")
+    upsert_event_category("Theater")
+    upsert_event_category("Dining")
+    upsert_event_category("Conference")
+    upsert_event_category("Meetup")
+    upsert_event_category("Fitness")
+    upsert_event_category("Sports")
+    upsert_event_category("Other")
+
     db.session.commit()
diff --git a/project/jsonld.py b/project/jsonld.py
index 6fb6be5..99bc077 100644
--- a/project/jsonld.py
+++ b/project/jsonld.py
@@ -1,5 +1,4 @@
 import datetime
-import decimal
 from json import JSONEncoder
 from flask import url_for
 from project.models import EventAttendanceMode, EventStatus
@@ -13,8 +12,6 @@ class DateTimeEncoder(JSONEncoder):
     def default(self, obj):
         if isinstance(obj, (datetime.date, datetime.datetime)):
             return (obj.astimezone(berlin_tz)).isoformat()
-        if isinstance(obj, decimal.Decimal):
-            return float(obj)
 
 
 def get_sd_for_admin_unit(admin_unit):
@@ -29,7 +26,7 @@ def get_sd_for_admin_unit(admin_unit):
     return result
 
 
-def get_sd_for_organizer_organization(organizer):
+def get_sd_for_organizer(organizer):
     result = {}
     result["@type"] = "Organization"
     result["name"] = organizer.name
@@ -49,10 +46,6 @@ def get_sd_for_organizer_organization(organizer):
     return result
 
 
-def get_sd_for_organizer(organizer):
-    return get_sd_for_organizer_organization(organizer)
-
-
 def get_sd_for_location(location):
     result = {}
     result["@type"] = "PostalAddress"
@@ -84,7 +77,7 @@ def get_sd_for_place(place, use_ref=True):
     if place.location:
         result["address"] = get_sd_for_location(place.location)
 
-        if place.location.latitude != 0:
+        if place.location.coordinate:
             result["geo"] = get_sd_for_geo(place.location)
 
     if place.photo_id:
@@ -134,7 +127,7 @@ def get_sd_for_event_date(event_date):
         result["previousStartDate"] = event.previous_start_date
 
     if event.accessible_for_free:
-        result["accessible_for_free"] = event.accessible_for_free
+        result["isAccessibleForFree"] = event.accessible_for_free
 
     if event.age_from and event.age_to:
         result["typicalAgeRange"] = "%d-%d" % (event.age_from, event.age_to)
diff --git a/project/models.py b/project/models.py
index ed13717..ca52846 100644
--- a/project/models.py
+++ b/project/models.py
@@ -217,7 +217,7 @@ class Location(db.Model, TrackableMixin):
             )
         ).all()
 
-        for location in locations:
+        for location in locations:  # pragma: no cover
             location.update_coordinate()
 
         db.session.commit()
@@ -242,9 +242,6 @@ class EventPlace(db.Model, TrackableMixin):
     description = Column(UnicodeText())
     admin_unit_id = db.Column(db.Integer, db.ForeignKey("adminunit.id"), nullable=True)
 
-    def is_empty(self):
-        return not self.name
-
 
 @listens_for(EventPlace, "before_insert")
 @listens_for(EventPlace, "before_update")
@@ -321,9 +318,6 @@ class EventOrganizer(db.Model, TrackableMixin):
     logo = db.relationship("Image", uselist=False)
     admin_unit_id = db.Column(db.Integer, db.ForeignKey("adminunit.id"), nullable=True)
 
-    def is_empty(self):
-        return not self.name
-
 
 @listens_for(EventOrganizer, "before_insert")
 @listens_for(EventOrganizer, "before_update")
@@ -412,12 +406,8 @@ class EventSuggestion(db.Model, TrackableMixin):
 @listens_for(EventSuggestion, "before_insert")
 @listens_for(EventSuggestion, "before_update")
 def purge_event_suggestion(mapper, connect, self):
-    if self.organizer and self.organizer.is_empty():
-        self.organizer_id = None
     if self.organizer_id is not None:
         self.organizer_text = None
-    if self.event_place and self.event_place.is_empty():
-        self.event_place_id = None
     if self.event_place_id is not None:
         self.event_place_text = None
     if self.photo and self.photo.is_empty():
@@ -490,10 +480,6 @@ class Event(db.Model, TrackableMixin):
 @listens_for(Event, "before_insert")
 @listens_for(Event, "before_update")
 def purge_event(mapper, connect, self):
-    if self.organizer and self.organizer.is_empty():
-        self.organizer_id = None
-    if self.event_place and self.event_place.is_empty():
-        self.event_place_id = None
     if self.photo and self.photo.is_empty():
         self.photo_id = None
 
diff --git a/project/oauth.py b/project/oauth.py
index a5377dd..e12fc59 100644
--- a/project/oauth.py
+++ b/project/oauth.py
@@ -15,7 +15,7 @@ blueprint = make_google_blueprint(
 
 # create/login local user on successful OAuth login
 @oauth_authorized.connect_via(blueprint)
-def google_logged_in(blueprint, token):
+def google_logged_in(blueprint, token):  # pragma: no cover
     if not token:
         flash("Failed to log in.", category="error")
         return False
@@ -60,7 +60,7 @@ def google_logged_in(blueprint, token):
 
 # notify on OAuth provider error
 @oauth_error.connect_via(blueprint)
-def google_error(blueprint, message, response):
+def google_error(blueprint, message, response):  # pragma: no cover
     msg = "OAuth error from {name}! message={message} response={response}".format(
         name=blueprint.name, message=message, response=response
     )
diff --git a/project/scrape/form.py b/project/scrape/form.py
new file mode 100644
index 0000000..2f2d1b5
--- /dev/null
+++ b/project/scrape/form.py
@@ -0,0 +1,131 @@
+import urllib.parse
+from werkzeug.datastructures import MultiDict
+
+
+# see https://www.w3.org/TR/html52/sec-forms.html
+class Form:
+    def __init__(self, form):
+        assert form.name == "form"  # feed me BeautifulSoup <form> tags
+
+        self.form = form
+        self._action = form.get("action", "")
+        self._method = form.get("method", "GET")
+        self._enctype = form.get("enctype", "")
+
+        self.fields = MultiDict()
+        self.buttons = {}
+
+        for field in form.find_all(("input", "button", "select", "textarea")):
+            name = field.get("name")
+            if not name:
+                continue
+
+            field_value = field.get("value")
+
+            if field.name == "select":
+                options = field.find_all("option")
+                selected_values = list()
+
+                for option in options:
+                    if option.has_attr("selected"):
+                        selected_values.append(option.get("value"))
+
+                if len(selected_values) == 0 and len(options) > 0:
+                    selected_values.append(options[0].get("value"))
+
+                if field.has_attr("multiple"):
+                    field_value = selected_values
+                elif len(selected_values) > 0:
+                    field_value = selected_values[0]
+            elif field.name == "textarea":
+                field_value = field.text.strip()
+
+            self.fields.add(name, (field, field_value))
+
+            if field.name in ("input", "button"):
+                if field.get("type") == "submit":
+                    self.buttons[name] = (
+                        field.get("formaction"),
+                        field.get("formmethod"),
+                    )
+
+    def _get_default_button(self):
+        if self.buttons:
+            return next(iter(self.buttons.keys()))
+
+    def get_action(self, button=None, relative_to=""):  # pragma: no cover
+        # Get default submit button if none specified
+        if button is None:
+            button = self._get_default_button()
+
+        # Use the submit button's formaction if available
+        action = None if button is None else self.buttons[button][0]
+        action = action or self._action
+        return urllib.parse.urljoin(relative_to, action)
+
+    def get_method(self, button=None):  # pragma: no cover
+        if button is None:
+            button = self._get_default_button()
+
+        method = None if button is None else self.buttons[button][1]
+        return method or self._method
+
+    def _fill_impl(self, button, values):
+        filled = MultiDict()
+
+        for form_name, (field, default_value) in self.fields.items(multi=True):
+            # Skip disabled fields
+            if field.has_attr("disabled"):  # pragma: no cover
+                continue
+
+            # Skip buttons that are not the submit button
+            is_button = (field.name == "button") or (
+                field.name == "input"
+                and field.get("type") in ("submit", "image", "reset", "button")
+            )
+            if is_button and form_name != button:  # pragma: no cover
+                continue
+
+            # Skip radio buttons and checkboxes that are not checked
+            is_radio_or_checkbox = field.name == "input" and field.get("type") in (
+                "radio",
+                "checkbox",
+            )
+            if is_radio_or_checkbox and not field.has_attr("checked"):
+                continue
+
+            # Add the default value
+            if default_value is None:  # pragma: no cover
+                if is_button:
+                    default_value = "Submit"
+                elif is_radio_or_checkbox:
+                    default_value = "on"
+                else:
+                    default_value = ""
+
+            if type(default_value) is list:
+                filled.setlist(form_name, default_value)
+            else:
+                filled.add(form_name, default_value)
+
+        if self._enctype:
+            filled.add("content_type", self._enctype)
+
+        # Override any form values with our input
+        for key, value in values.items():
+            if key in filled:
+                filled.pop(key)
+            if type(value) is list:
+                filled.setlist(key, value)
+            else:
+                filled.add(key, value)
+        return filled
+
+    def fill(self, *args):  # pragma: no cover
+        if len(args) == 0:
+            return self._fill_impl(self._get_default_button(), {})
+        elif len(args) == 1:
+            return self._fill_impl(self._get_default_button(), args[0])
+        elif len(args) == 2:
+            return self._fill_impl(args[0], args[1])
+        raise ValueError("Expected fill(values) or fill(button, values)")
diff --git a/project/scrape/scrape_fp.py b/project/scrape/scrape_fp.py
index 5e1bb60..54dce4b 100644
--- a/project/scrape/scrape_fp.py
+++ b/project/scrape/scrape_fp.py
@@ -1,6 +1,6 @@
 from project import (
     db,
-    get_admin_unit,
+    get_admin_unit_by_name,
     update_event_dates_with_recurrence_rule,
     upsert_event_category,
 )
@@ -70,7 +70,7 @@ def scrape(debug):
                 js_assigns[key] = value
             break
 
-    admin_unit = get_admin_unit("Ferienpass Goslar")
+    admin_unit = get_admin_unit_by_name("Ferienpass Goslar")
     category = upsert_event_category("Other")
 
     for js_event in js_assigns["events"]:
diff --git a/project/scrape/scrape_hi.py b/project/scrape/scrape_hi.py
index ec58203..dc95b61 100644
--- a/project/scrape/scrape_hi.py
+++ b/project/scrape/scrape_hi.py
@@ -14,13 +14,13 @@ from project.models import (
     EventOrganizer,
 )
 from sqlalchemy import and_, not_
-from project.services.admin_unit import get_admin_unit
+from project.services.admin_unit import get_admin_unit_by_name
 from project.services.event import (
     upsert_event_category,
     update_event_dates_with_recurrence_rule,
 )
 
-admin_unit = get_admin_unit("Harzinfo")
+admin_unit = get_admin_unit_by_name("Harzinfo")
 category = upsert_event_category("Other")
 base_url = "https://www.harzinfo.de"
 url = base_url + "/?ndssearch=fullsearch&no_cache=1&L=0"
diff --git a/project/services/admin_unit.py b/project/services/admin_unit.py
index 874be7d..f36f01a 100644
--- a/project/services/admin_unit.py
+++ b/project/services/admin_unit.py
@@ -1,18 +1,49 @@
 from project import db
-from project.models import AdminUnit, AdminUnitMember, AdminUnitMemberRole
+from project.models import (
+    AdminUnit,
+    AdminUnitMember,
+    AdminUnitMemberRole,
+    AdminUnitMemberInvitation,
+    EventOrganizer,
+    Location,
+)
+from project.services.location import assign_location_values
+from project.services.image import upsert_image_with_data
+from sqlalchemy import and_
 
 
-def upsert_admin_unit(unit_name, short_name=None):
-    admin_unit = AdminUnit.query.filter_by(name=unit_name).first()
-    if admin_unit is None:
-        admin_unit = AdminUnit(name=unit_name)
-        db.session.add(admin_unit)
+def insert_admin_unit_for_user(admin_unit, user):
+    db.session.add(admin_unit)
 
-    admin_unit.short_name = short_name
-    return admin_unit
+    # Nutzer als Admin hinzufügen
+    add_user_to_admin_unit_with_roles(user, admin_unit, ["admin", "event_verifier"])
+    db.session.commit()
+
+    # Organizer anlegen
+    organizer = EventOrganizer()
+    organizer.admin_unit_id = admin_unit.id
+    organizer.name = admin_unit.name
+    organizer.url = admin_unit.url
+    organizer.email = admin_unit.email
+    organizer.phone = admin_unit.phone
+    organizer.fax = admin_unit.fax
+    organizer.location = Location()
+    assign_location_values(organizer.location, admin_unit.location)
+    if admin_unit.logo:
+        organizer.logo = upsert_image_with_data(
+            organizer.logo,
+            admin_unit.logo.data,
+            admin_unit.logo.encoding_format,
+        )
+    db.session.add(organizer)
+    db.session.commit()
 
 
-def get_admin_unit(unit_name):
+def get_admin_unit_by_id(id):
+    return AdminUnit.query.filter_by(id=id).first()
+
+
+def get_admin_unit_by_name(unit_name):
     return AdminUnit.query.filter_by(name=unit_name).first()
 
 
@@ -20,6 +51,25 @@ def get_admin_unit_member_role(role_name):
     return AdminUnitMemberRole.query.filter_by(name=role_name).first()
 
 
+def find_admin_unit_member_invitation(email, admin_unit_id):
+    return AdminUnitMemberInvitation.query.filter(
+        and_(
+            AdminUnitMemberInvitation.admin_unit_id == admin_unit_id,
+            AdminUnitMemberInvitation.email == email,
+        )
+    ).first()
+
+
+def insert_admin_unit_member_invitation(admin_unit_id, email, role_names):
+    invitation = AdminUnitMemberInvitation()
+    invitation.admin_unit_id = admin_unit_id
+    invitation.email = email
+    invitation.roles = ",".join(role_names)
+    db.session.add(invitation)
+    db.session.commit()
+    return invitation
+
+
 def upsert_admin_unit_member_role(role_name, role_title, permissions):
     result = AdminUnitMemberRole.query.filter_by(name=role_name).first()
     if result is None:
@@ -53,6 +103,8 @@ def add_user_to_admin_unit_with_roles(user, admin_unit, role_names):
 def add_roles_to_admin_unit_member(member, role_names):
     for role_name in role_names:
         role = get_admin_unit_member_role(role_name)
+        if not role:
+            continue
         add_role_to_admin_unit_member(member, role)
 
 
@@ -64,3 +116,13 @@ def add_role_to_admin_unit_member(admin_unit_member, role):
         is None
     ):
         admin_unit_member.roles.append(role)
+
+
+def get_member_for_admin_unit_by_user_id(admin_unit_id, user_id):
+    return AdminUnitMember.query.filter_by(
+        admin_unit_id=admin_unit_id, user_id=user_id
+    ).first()
+
+
+def get_admin_unit_member(id):
+    return AdminUnitMember.query.filter_by(id=id).first()
diff --git a/project/services/event.py b/project/services/event.py
index f956d0b..28a4330 100644
--- a/project/services/event.py
+++ b/project/services/event.py
@@ -84,11 +84,8 @@ def get_event_dates_query(params):
         date_filter = and_(date_filter, EventDate.start < params.date_to)
 
     # PostgreSQL specific https://stackoverflow.com/a/25597632
-    if params.weekday:
-        if type(params.weekday) is list:
-            weekdays = params.weekday
-        else:
-            weekdays = [params.weekday]
+    if params.weekday and type(params.weekday) is list:
+        weekdays = params.weekday
         date_filter = and_(date_filter, extract("dow", EventDate.start).in_(weekdays))
 
     return (
@@ -125,9 +122,9 @@ def get_events_query(params):
     )
 
 
-def update_event_dates_with_recurrence_rule(event, start, end):
-    event.start = start
-    event.end = end
+def update_event_dates_with_recurrence_rule(event):
+    start = event.start
+    end = event.end
 
     if end:
         time_difference = relativedelta(end, start)
@@ -168,3 +165,12 @@ def update_event_dates_with_recurrence_rule(event, start, end):
 
     event.dates = [date for date in event.dates if date not in dates_to_remove]
     event.dates.extend(dates_to_add)
+
+
+def insert_event(event):
+    update_event_dates_with_recurrence_rule(event)
+    db.session.add(event)
+
+
+def update_event(event):
+    update_event_dates_with_recurrence_rule(event)
diff --git a/project/services/event_suggestion.py b/project/services/event_suggestion.py
index b1c3d06..f96288f 100644
--- a/project/services/event_suggestion.py
+++ b/project/services/event_suggestion.py
@@ -1,7 +1,13 @@
+from project import db
 from project.models import EventReviewStatus, EventSuggestion
 from sqlalchemy import and_
 
 
+def insert_event_suggestion(event_suggestion):
+    event_suggestion.review_status = EventReviewStatus.inbox
+    db.session.add(event_suggestion)
+
+
 def get_event_reviews_badge_query(admin_unit):
     return EventSuggestion.query.filter(
         and_(
diff --git a/project/services/image.py b/project/services/image.py
new file mode 100644
index 0000000..ffe795f
--- /dev/null
+++ b/project/services/image.py
@@ -0,0 +1,17 @@
+from project.models import Image
+import base64
+
+
+def upsert_image_with_data(image, data, encoding_format="image/jpeg"):
+    if image is None:
+        image = Image()
+
+    image.data = data
+    image.encoding_format = encoding_format
+
+    return image
+
+
+def upsert_image_with_base64_str(image, base64_str, encoding_format):
+    data = base64.b64decode(base64_str)
+    return upsert_image_with_data(image, data, encoding_format)
diff --git a/project/services/location.py b/project/services/location.py
index bdcd0c2..adbdfae 100644
--- a/project/services/location.py
+++ b/project/services/location.py
@@ -1,21 +1,3 @@
-from project import db
-from project.models import Location
-
-
-def upsert_location(street, postalCode, city, latitude=0, longitude=0, state=None):
-    result = Location.query.filter_by(
-        street=street, postalCode=postalCode, city=city, state=state
-    ).first()
-    if result is None:
-        result = Location(street=street, postalCode=postalCode, city=city, state=state)
-        db.session.add(result)
-
-    result.latitude = latitude
-    result.longitude = longitude
-
-    return result
-
-
 def assign_location_values(target, origin):
     if origin:
         target.street = origin.street
diff --git a/project/services/organizer.py b/project/services/organizer.py
index 19440e9..9c4245c 100644
--- a/project/services/organizer.py
+++ b/project/services/organizer.py
@@ -4,10 +4,14 @@ from sqlalchemy import and_
 from sqlalchemy.sql import func
 
 
-def upsert_event_organizer(admin_unit_id, name):
-    result = EventOrganizer.query.filter(
+def get_event_organizer(admin_unit_id, name):
+    return EventOrganizer.query.filter(
         and_(EventOrganizer.name == name, EventOrganizer.admin_unit_id == admin_unit_id)
     ).first()
+
+
+def upsert_event_organizer(admin_unit_id, name):
+    result = get_event_organizer(admin_unit_id, name)
     if result is None:
         result = EventOrganizer(name=name, admin_unit_id=admin_unit_id)
         result.location = Location()
diff --git a/project/services/place.py b/project/services/place.py
index ca96f71..a394d58 100644
--- a/project/services/place.py
+++ b/project/services/place.py
@@ -3,18 +3,15 @@ from project.models import EventPlace, Location
 from sqlalchemy.sql import and_, func
 
 
-def upsert_event_place(admin_unit_id, organizer_id, name):
+def upsert_event_place(admin_unit_id, name):
     result = EventPlace.query.filter(
         and_(
             EventPlace.name == name,
             EventPlace.admin_unit_id == admin_unit_id,
-            EventPlace.organizer_id == organizer_id,
         )
     ).first()
     if result is None:
-        result = EventPlace(
-            name=name, admin_unit_id=admin_unit_id, organizer_id=organizer_id
-        )
+        result = EventPlace(name=name, admin_unit_id=admin_unit_id)
         result.location = Location()
         db.session.add(result)
 
diff --git a/project/services/user.py b/project/services/user.py
index bb3a6d2..2666955 100644
--- a/project/services/user.py
+++ b/project/services/user.py
@@ -17,6 +17,10 @@ def add_roles_to_user(user_name, role_names):
         user_datastore.add_role_to_user(user, role_name)
 
 
+def add_admin_roles_to_user(user_name):
+    add_roles_to_user(user_name, ["admin", "event_verifier"])
+
+
 def upsert_user_role(role_name, role_title, permissions):
     role = user_datastore.find_or_create_role(role_name)
     role.title = role_title
@@ -27,3 +31,7 @@ def upsert_user_role(role_name, role_title, permissions):
 
 def find_user_by_email(email):
     return user_datastore.find_user(email=email)
+
+
+def get_user(id):
+    return user_datastore.get_user(id)
diff --git a/project/static/jquery.recurrenceinput.js b/project/static/jquery.recurrenceinput.js
index dce1249..82bbd3d 100644
--- a/project/static/jquery.recurrenceinput.js
+++ b/project/static/jquery.recurrenceinput.js
@@ -164,7 +164,7 @@
         rangeByEndDateHuman: 'ends on',
 
         including: ', and also',
-        except Exception: ', except for',
+        except: ', except for',
 
         cancel: 'Cancel',
         save: 'Save',
diff --git a/project/static/site.js b/project/static/site.js
index ed0e70a..86f7a98 100644
--- a/project/static/site.js
+++ b/project/static/site.js
@@ -51,7 +51,7 @@ jQuery.tools.recurrenceinput.localize('de', {
     rangeByEndDate: 'Bis ',
     rangeByEndDateHuman: 'endet am ',
     including: ', und auch ',
-    except Exception: ', ausser für',
+    except: ', ausser für',
     cancel: 'Abbrechen',
     save: 'Speichern',
     recurrenceStart: 'Beginn der Wiederholung',
diff --git a/project/views/admin_unit.py b/project/views/admin_unit.py
index 759df7b..c85eadf 100644
--- a/project/views/admin_unit.py
+++ b/project/views/admin_unit.py
@@ -6,14 +6,12 @@ from sqlalchemy.exc import SQLAlchemyError
 from project.access import get_admin_unit_for_manage_or_404, has_access
 from project.forms.admin_unit import CreateAdminUnitForm, UpdateAdminUnitForm
 from project.views.utils import (
-    upsert_image_with_data,
     handleSqlError,
     permission_missing,
     flash_errors,
 )
-from project.models import AdminUnit, Location, EventOrganizer
-from project.services.admin_unit import add_user_to_admin_unit_with_roles
-from project.services.location import assign_location_values
+from project.models import AdminUnit, Location
+from project.services.admin_unit import insert_admin_unit_for_user
 
 
 def update_admin_unit_with_form(admin_unit, form):
@@ -31,33 +29,7 @@ def admin_unit_create():
         update_admin_unit_with_form(admin_unit, form)
 
         try:
-            db.session.add(admin_unit)
-
-            # Aktuellen Nutzer als Admin hinzufügen
-            add_user_to_admin_unit_with_roles(
-                current_user, admin_unit, ["admin", "event_verifier"]
-            )
-            db.session.commit()
-
-            # Organizer anlegen
-            organizer = EventOrganizer()
-            organizer.admin_unit_id = admin_unit.id
-            organizer.name = admin_unit.name
-            organizer.url = admin_unit.url
-            organizer.email = admin_unit.email
-            organizer.phone = admin_unit.phone
-            organizer.fax = admin_unit.fax
-            organizer.location = Location()
-            assign_location_values(organizer.location, admin_unit.location)
-            if admin_unit.logo:
-                organizer.logo = upsert_image_with_data(
-                    organizer.logo,
-                    admin_unit.logo.data,
-                    admin_unit.logo.encoding_format,
-                )
-            db.session.add(organizer)
-            db.session.commit()
-
+            insert_admin_unit_for_user(admin_unit, current_user)
             flash(gettext("Admin unit successfully created"), "success")
             return redirect(url_for("manage_admin_unit", id=admin_unit.id))
         except SQLAlchemyError as e:
diff --git a/project/views/event.py b/project/views/event.py
index b7fd596..59eea0b 100644
--- a/project/views/event.py
+++ b/project/views/event.py
@@ -26,7 +26,8 @@ from project.views.utils import (
 from project.utils import get_event_category_name
 from project.services.event import (
     upsert_event_category,
-    update_event_dates_with_recurrence_rule,
+    insert_event,
+    update_event,
 )
 from project.services.place import get_event_places
 from sqlalchemy.sql import func
@@ -112,7 +113,7 @@ def event_create_for_admin_unit_id(id):
                 event_suggestion.review_status = EventReviewStatus.verified
                 event_suggestion.rejection_resaon = None
 
-            db.session.add(event)
+            insert_event(event)
             db.session.commit()
 
             if event_suggestion:
@@ -148,6 +149,7 @@ def event_update(event_id):
         update_event_with_form(event, form)
 
         try:
+            update_event(event)
             db.session.commit()
             flash_message(
                 gettext("Event successfully updated"),
@@ -257,7 +259,6 @@ def update_event_with_form(event, form, event_suggestion=None):
     event.categories = EventCategory.query.filter(
         EventCategory.id.in_(form.category_ids.data)
     ).all()
-    update_event_dates_with_recurrence_rule(event, form.start.data, form.end.data)
 
 
 def get_user_rights(event):
diff --git a/project/views/event_place.py b/project/views/event_place.py
index d2a27c3..c5a949c 100644
--- a/project/views/event_place.py
+++ b/project/views/event_place.py
@@ -38,6 +38,9 @@ def manage_admin_unit_places_create(id):
         except SQLAlchemyError as e:
             db.session.rollback()
             flash(handleSqlError(e), "danger")
+    else:
+        flash_errors(form)
+
     return render_template("event_place/create.html", form=form)
 
 
@@ -61,6 +64,8 @@ def event_place_update(id):
         except SQLAlchemyError as e:
             db.session.rollback()
             flash(handleSqlError(e), "danger")
+    else:
+        flash_errors(form)
 
     return render_template("event_place/update.html", form=form, place=place)
 
diff --git a/project/views/organizer.py b/project/views/organizer.py
index a443ce4..30f3113 100644
--- a/project/views/organizer.py
+++ b/project/views/organizer.py
@@ -1,5 +1,5 @@
 from project import app, db
-from project.models import EventOrganizer, Location
+from project.models import EventOrganizer
 from flask import render_template, flash, url_for, redirect
 from flask_babelex import gettext
 from flask_security import auth_required
@@ -27,7 +27,6 @@ def manage_admin_unit_organizer_create(id):
     if form.validate_on_submit():
         organizer = EventOrganizer()
         organizer.admin_unit_id = admin_unit.id
-        organizer.location = Location()
         update_organizer_with_form(organizer, form)
 
         try:
@@ -40,6 +39,8 @@ def manage_admin_unit_organizer_create(id):
         except SQLAlchemyError as e:
             db.session.rollback()
             flash(handleSqlError(e), "danger")
+    else:
+        flash_errors(form)
     return render_template("organizer/create.html", form=form)
 
 
@@ -63,6 +64,8 @@ def organizer_update(id):
         except SQLAlchemyError as e:
             db.session.rollback()
             flash(handleSqlError(e), "danger")
+    else:
+        flash_errors(form)
 
     return render_template("organizer/update.html", form=form, organizer=organizer)
 
diff --git a/project/views/reference_request_review.py b/project/views/reference_request_review.py
index 83f63c5..318cc75 100644
--- a/project/views/reference_request_review.py
+++ b/project/views/reference_request_review.py
@@ -49,9 +49,9 @@ def event_reference_request_review(id):
             if request.review_status == EventReferenceRequestReviewStatus.verified:
                 reference = create_event_reference_for_request(request)
                 reference.rating = form.rating.data
-                msg = gettext("Request successfully updated")
-            else:
                 msg = gettext("Reference successfully created")
+            else:
+                msg = gettext("Request successfully updated")
 
             db.session.commit()
             send_reference_request_review_status_mails(request)
diff --git a/project/views/utils.py b/project/views/utils.py
index 4138cdf..53ac1b1 100644
--- a/project/views/utils.py
+++ b/project/views/utils.py
@@ -1,8 +1,9 @@
-from project.models import Image, Analytics
+from project.models import Analytics
 from project import db, mail
 from flask_babelex import gettext
 from flask import request, url_for, render_template, flash, redirect, Markup
 from flask_mail import Message
+from sqlalchemy.exc import SQLAlchemyError
 
 
 def track_analytics(key, value1, value2):
@@ -17,22 +18,15 @@ def track_analytics(key, value1, value2):
     return result
 
 
-def handleSqlError(e):
-    message = str(e.__dict__["orig"])
+def handleSqlError(e: SQLAlchemyError) -> str:
+    if e.orig:
+        message = str(e.orig)
+    else:
+        message = str(e)
     print(message)
     return message
 
 
-def upsert_image_with_data(image, data, encoding_format="image/jpeg"):
-    if image is None:
-        image = Image()
-
-    image.data = data
-    image.encoding_format = encoding_format
-
-    return image
-
-
 def get_pagination_urls(pagination, **kwargs):
     result = {}
 
@@ -86,6 +80,7 @@ def send_mails(recipients, subject, template, **context):
     msg.html = render_template("email/%s.html" % template, **context)
 
     if not mail.default_sender:
+        print(",".join(msg.recipients))
         print(msg.subject)
         print(msg.body)
         return
diff --git a/project/views/widget.py b/project/views/widget.py
index 995e8d8..689bd33 100644
--- a/project/views/widget.py
+++ b/project/views/widget.py
@@ -13,6 +13,7 @@ from flask_babelex import gettext
 from flask_security import current_user
 from sqlalchemy.sql import func
 from sqlalchemy.exc import SQLAlchemyError
+from project.services.event_suggestion import insert_event_suggestion
 from project.services.event import get_event_dates_query
 from project.services.event_search import EventSearchParams
 from project.services.place import get_event_places
@@ -127,7 +128,7 @@ def event_suggestion_create_for_admin_unit(au_short_name):
         event_suggestion.review_status = EventReviewStatus.inbox
 
         try:
-            db.session.add(event_suggestion)
+            insert_event_suggestion(event_suggestion)
             db.session.commit()
 
             send_event_inbox_mails(admin_unit, event_suggestion)
diff --git a/requirements.txt b/requirements.txt
index f0eae85..b2032df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,6 +63,7 @@ pyflakes==2.2.0
 pyparsing==2.4.7
 pytest==6.1.2
 pytest-cov==2.10.1
+pytest-mock==3.3.1
 python-dateutil==2.8.1
 python-dotenv==0.15.0
 python-editor==1.0.4
diff --git a/tests/conftest.py b/tests/conftest.py
index be756b9..1d7246a 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,5 +1,7 @@
 import pytest
 import os
+from .utils import UtilActions
+from .seeder import Seeder
 
 
 def pytest_generate_tests(metafunc):
@@ -7,14 +9,38 @@ def pytest_generate_tests(metafunc):
 
 
 @pytest.fixture
-def client():
-    from project import app, db
+def app():
+    from project import app
 
     app.config["TESTING"] = True
     app.testing = True
 
-    client = app.test_client()
+    return app
+
+
+@pytest.fixture
+def db(app):
+    from project import db
+    from project.init_data import create_initial_data
+
     with app.app_context():
         db.drop_all()
         db.create_all()
-    yield client
+        create_initial_data()
+
+    return db
+
+
+@pytest.fixture
+def client(app, db):
+    return app.test_client()
+
+
+@pytest.fixture
+def utils(client, app):
+    return UtilActions(client, app)
+
+
+@pytest.fixture
+def seeder(app, db, utils):
+    return Seeder(app, db, utils)
diff --git a/tests/seeder.py b/tests/seeder.py
new file mode 100644
index 0000000..de8253d
--- /dev/null
+++ b/tests/seeder.py
@@ -0,0 +1,240 @@
+class Seeder(object):
+    def __init__(self, app, db, utils):
+        self._app = app
+        self._db = db
+        self._utils = utils
+
+    def setup_base(self, admin=False):
+        user_id = self.create_user(admin=admin)
+        self._utils.login()
+        admin_unit_id = self.create_admin_unit(user_id)
+        return (user_id, admin_unit_id)
+
+    def setup_base_event_verifier(self):
+        owner_id = self.create_user("owner@owner")
+        admin_unit_id = self.create_admin_unit(owner_id, "Other crew")
+        member_id = self.create_admin_unit_member_event_verifier(admin_unit_id)
+        self._utils.login()
+        return (owner_id, admin_unit_id, member_id)
+
+    def create_user(
+        self, email="test@test.de", password="MeinPasswortIstDasBeste", admin=False
+    ):
+        from project.services.user import upsert_user, add_admin_roles_to_user
+
+        with self._app.app_context():
+            user = upsert_user(email, password)
+
+            if admin:
+                add_admin_roles_to_user(email)
+
+            self._db.session.commit()
+            user_id = user.id
+
+        return user_id
+
+    def create_admin_unit(self, user_id, name="Meine Crew"):
+        from project.models import AdminUnit
+        from project.services.user import get_user
+        from project.services.admin_unit import insert_admin_unit_for_user
+
+        with self._app.app_context():
+            user = get_user(user_id)
+            admin_unit = AdminUnit()
+            admin_unit.name = name
+            admin_unit.short_name = name.lower().replace(" ", "")
+            insert_admin_unit_for_user(admin_unit, user)
+            self._db.session.commit()
+            admin_unit_id = admin_unit.id
+
+        return admin_unit_id
+
+    def create_admin_unit_member(self, admin_unit_id, role_names):
+        from project.services.user import get_user
+        from project.services.admin_unit import (
+            get_admin_unit_by_id,
+            add_user_to_admin_unit_with_roles,
+        )
+
+        with self._app.app_context():
+            user_id = self.create_user()
+            user = get_user(user_id)
+            admin_unit = get_admin_unit_by_id(admin_unit_id)
+            member = add_user_to_admin_unit_with_roles(user, admin_unit, role_names)
+            self._db.session.commit()
+            member_id = member.id
+
+        return member_id
+
+    def create_invitation(self, admin_unit_id, email, role_names=["admin"]):
+        from project.services.admin_unit import insert_admin_unit_member_invitation
+
+        with self._app.app_context():
+            invitation = insert_admin_unit_member_invitation(
+                admin_unit_id, email, role_names
+            )
+            invitation_id = invitation.id
+
+        return invitation_id
+
+    def create_admin_unit_member_event_verifier(self, admin_unit_id):
+        return self.create_admin_unit_member(admin_unit_id, ["event_verifier"])
+
+    def upsert_event_place(self, admin_unit_id, name):
+        from project.services.place import upsert_event_place
+
+        with self._app.app_context():
+            place = upsert_event_place(admin_unit_id, name)
+            self._db.session.commit()
+            place_id = place.id
+
+        return place_id
+
+    def upsert_default_event_place(self, admin_unit_id):
+        from project.services.admin_unit import get_admin_unit_by_id
+
+        with self._app.app_context():
+            admin_unit = get_admin_unit_by_id(admin_unit_id)
+            place_id = self.upsert_event_place(admin_unit_id, admin_unit.name)
+
+        return place_id
+
+    def upsert_event_organizer(self, admin_unit_id, name):
+        from project.services.organizer import upsert_event_organizer
+
+        with self._app.app_context():
+            organizer = upsert_event_organizer(admin_unit_id, name)
+            self._db.session.commit()
+            organizer_id = organizer.id
+
+        return organizer_id
+
+    def upsert_default_event_organizer(self, admin_unit_id):
+        from project.services.admin_unit import get_admin_unit_by_id
+
+        with self._app.app_context():
+            admin_unit = get_admin_unit_by_id(admin_unit_id)
+            organizer_id = self.upsert_event_organizer(admin_unit_id, admin_unit.name)
+
+        return organizer_id
+
+    def create_event(self, admin_unit_id):
+        from project.models import Event
+        from project.services.event import insert_event, upsert_event_category
+        from project.dateutils import now
+
+        with self._app.app_context():
+            event = Event()
+            event.admin_unit_id = admin_unit_id
+            event.categories = [upsert_event_category("Other")]
+            event.name = "Name"
+            event.description = "Beschreibung"
+            event.start = now
+            event.event_place_id = self.upsert_default_event_place(admin_unit_id)
+            event.organizer_id = self.upsert_default_event_organizer(admin_unit_id)
+            insert_event(event)
+            self._db.session.commit()
+            event_id = event.id
+        return event_id
+
+    def get_default_image_base64(self):
+        return """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"""
+
+    def get_default_image_upload(self):
+        from werkzeug.datastructures import FileStorage
+        from io import BytesIO
+
+        return FileStorage(
+            stream=BytesIO(b"this is a test"),
+            filename="default.png",
+            content_type="image/png",
+        )
+
+    def get_default_image_upload_base64(self):
+        base64_str = self.get_default_image_base64()
+        return "data:image/png;base64,{}".format(base64_str)
+
+    def upsert_default_image(self):
+        from project.services.image import upsert_image_with_base64_str
+
+        with self._app.app_context():
+            base64_str = self.get_default_image_base64()
+            image = upsert_image_with_base64_str(None, base64_str, "image/png")
+            self._db.session.add(image)
+            self._db.session.commit()
+            image_id = image.id
+
+        return image_id
+
+    def create_event_suggestion(self, admin_unit_id, free_text=False):
+        from project.models import EventSuggestion
+        from project.services.event_suggestion import insert_event_suggestion
+        from project.dateutils import now
+
+        with self._app.app_context():
+            suggestion = EventSuggestion()
+            suggestion.admin_unit_id = admin_unit_id
+            suggestion.contact_name = "Vorname Nachname"
+            suggestion.contact_email = "vorname@nachname.de"
+            suggestion.contact_email_notice = True
+            suggestion.name = "Vorschlag"
+            suggestion.description = "Beschreibung"
+            suggestion.start = now
+            suggestion.photo_id = self.upsert_default_image()
+
+            if free_text:
+                suggestion.event_place_text = "Freitext Ort"
+                suggestion.organizer_text = "Freitext Organisator"
+            else:
+                suggestion.event_place_id = self.upsert_default_event_place(
+                    admin_unit_id
+                )
+                suggestion.organizer_id = self.upsert_default_event_organizer(
+                    admin_unit_id
+                )
+            insert_event_suggestion(suggestion)
+            self._db.session.commit()
+            suggestion_id = suggestion.id
+        return suggestion_id
+
+    def create_reference(self, event_id, admin_unit_id):
+        from project.models import EventReference
+
+        with self._app.app_context():
+            reference = EventReference()
+            reference.event_id = event_id
+            reference.admin_unit_id = admin_unit_id
+            self._db.session.add(reference)
+            self._db.session.commit()
+            reference_id = reference.id
+        return reference_id
+
+    def create_any_reference(self, admin_unit_id):
+        other_user_id = self.create_user("other@test.de")
+        other_admin_unit_id = self.create_admin_unit(other_user_id, "Other Crew")
+        event_id = self.create_event(other_admin_unit_id)
+        reference_id = self.create_reference(event_id, admin_unit_id)
+        return (other_user_id, other_admin_unit_id, event_id, reference_id)
+
+    def create_reference_request(self, event_id, admin_unit_id):
+        from project.models import (
+            EventReferenceRequest,
+            EventReferenceRequestReviewStatus,
+        )
+
+        with self._app.app_context():
+            reference_request = EventReferenceRequest()
+            reference_request.event_id = event_id
+            reference_request.admin_unit_id = admin_unit_id
+            reference_request.review_status = EventReferenceRequestReviewStatus.inbox
+            self._db.session.add(reference_request)
+            self._db.session.commit()
+            reference_request_id = reference_request.id
+        return reference_request_id
+
+    def create_incoming_reference_request(self, admin_unit_id):
+        other_user_id = self.create_user("other@test.de")
+        other_admin_unit_id = self.create_admin_unit(other_user_id, "Other Crew")
+        event_id = self.create_event(other_admin_unit_id)
+        reference_request_id = self.create_reference_request(event_id, admin_unit_id)
+        return (other_user_id, other_admin_unit_id, event_id, reference_request_id)
diff --git a/tests/services/test_event.py b/tests/services/test_event.py
new file mode 100644
index 0000000..aee5c15
--- /dev/null
+++ b/tests/services/test_event.py
@@ -0,0 +1,38 @@
+def test_update_event_dates_with_recurrence_rule(client, seeder, utils, app):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    with app.app_context():
+        from project.models import Event
+        from project.dateutils import create_berlin_date
+        from project.services.event import update_event_dates_with_recurrence_rule
+
+        event = Event.query.get(event_id)
+        event.start = create_berlin_date(2030, 12, 31, 14, 30)
+        event.end = create_berlin_date(2030, 12, 31, 16, 30)
+        update_event_dates_with_recurrence_rule(event)
+
+        len_dates = len(event.dates)
+        assert len_dates == 1
+
+        event_date = event.dates[0]
+        assert event_date.start == event.start
+        assert event_date.end == event.end
+
+        # Update again
+        update_event_dates_with_recurrence_rule(event)
+
+        len_dates = len(event.dates)
+        assert len_dates == 1
+
+        event_date = event.dates[0]
+        assert event_date.start == event.start
+        assert event_date.end == event.end
+
+        # Wiederholt sich alle  1 Tage, endet nach 7 Ereigniss(en)
+        event.recurrence_rule = "RRULE:FREQ=DAILY;COUNT=7"
+
+        update_event_dates_with_recurrence_rule(event)
+
+        len_dates = len(event.dates)
+        assert len_dates == 7
diff --git a/tests/services/test_event_search.py b/tests/services/test_event_search.py
new file mode 100644
index 0000000..ce5a408
--- /dev/null
+++ b/tests/services/test_event_search.py
@@ -0,0 +1,10 @@
+def test_date_str(client, seeder, utils):
+    from project.dateutils import create_berlin_date
+    from project.services.event_search import EventSearchParams
+
+    params = EventSearchParams()
+    params.date_from = create_berlin_date(2030, 12, 30, 0)
+    params.date_to = create_berlin_date(2030, 12, 31, 0)
+
+    assert params.date_from_str == "2030-12-30"
+    assert params.date_to_str == "2030-12-31"
diff --git a/tests/test___init__.py b/tests/test___init__.py
new file mode 100644
index 0000000..ced0855
--- /dev/null
+++ b/tests/test___init__.py
@@ -0,0 +1,10 @@
+def test_mail_server():
+    import os
+
+    os.environ["DATABASE_URL"] = "postgresql://postgres@localhost/gsevpt_tests"
+    os.environ["MAIL_SERVER"] = "mailserver.com"
+
+    from project import app
+
+    app.config["TESTING"] = True
+    app.testing = True
diff --git a/tests/test_access.py b/tests/test_access.py
new file mode 100644
index 0000000..5588386
--- /dev/null
+++ b/tests/test_access.py
@@ -0,0 +1,27 @@
+def test_has_admin_unit_member_role(client, app, db, seeder):
+    owner_id, admin_unit_id, member_id = seeder.setup_base_event_verifier()
+
+    with app.app_context():
+        from project.models import AdminUnitMember
+        from project.access import has_admin_unit_member_role
+
+        member = AdminUnitMember.query.get(member_id)
+        assert has_admin_unit_member_role(member, "admin") is False
+
+
+def test_has_current_user_member_role_for_admin_unit(client, app, db, seeder):
+    owner_id, admin_unit_id, member_id = seeder.setup_base_event_verifier()
+
+    with app.test_request_context():
+        with app.app_context():
+            from project.models import AdminUnitMember
+            from project.access import has_current_user_member_role_for_admin_unit
+            from flask_login import login_user
+
+            member = AdminUnitMember.query.get(member_id)
+            login_user(member.user)
+
+            assert (
+                has_current_user_member_role_for_admin_unit(admin_unit_id, "admin")
+                is False
+            )
diff --git a/tests/test_dateutils.py b/tests/test_dateutils.py
new file mode 100644
index 0000000..1b3ed34
--- /dev/null
+++ b/tests/test_dateutils.py
@@ -0,0 +1,64 @@
+def test_calculate_occurrences():
+    result = get_calculate_occurrences("RRULE:FREQ=DAILY;COUNT=7")
+    assert result["batch"]["batch_size"] == 10
+
+    number_of_occurences = len(result["occurrences"])
+    assert number_of_occurences == 7
+
+    occurence = result["occurrences"][0]
+    assert occurence["date"] == "20300101T000000"
+    assert occurence["formattedDate"] == '"01.01.2030"'
+
+
+def test_calculate_occurrences_exdate():
+    result = get_calculate_occurrences(
+        "RRULE:FREQ=DAILY;COUNT=2\nEXDATE:20300102T000000"
+    )
+
+    number_of_occurences = len(result["occurrences"])
+    assert number_of_occurences == 2
+
+
+def test_calculate_occurrences_rdate():
+    result = get_calculate_occurrences(
+        "RRULE:FREQ=DAILY;COUNT=2\nEXDATE:20300102T000000\nRDATE:20300103T000000"
+    )
+
+    number_of_occurences = len(result["occurrences"])
+    assert number_of_occurences == 3
+
+
+def test_calculate_occurrences_exdateStart():
+    result = get_calculate_occurrences(
+        "RRULE:FREQ=DAILY;COUNT=20\nEXDATE:20300102T000000", 10
+    )
+
+    number_of_occurences = len(result["occurrences"])
+    assert number_of_occurences == 10
+
+
+def test_calculate_occurrences_exdateBefore():
+    result = get_calculate_occurrences(
+        "RRULE:FREQ=DAILY;COUNT=20\nEXDATE:20290102T000000", 10
+    )
+
+    number_of_occurences = len(result["occurrences"])
+    assert number_of_occurences == 10
+
+
+def test_calculate_occurrences_count():
+    result = get_calculate_occurrences("RRULE:FREQ=DAILY;COUNT=100")
+
+    number_of_occurences = len(result["occurrences"])
+    assert number_of_occurences == 10
+
+
+def get_calculate_occurrences(rrule_str, start=0):
+    from datetime import datetime
+    from project.dateutils import calculate_occurrences
+
+    start_date = datetime(2030, 1, 1)
+    date_format = '"%d.%m.%Y"'
+    batch_size = 10
+
+    return calculate_occurrences(start_date, date_format, rrule_str, start, batch_size)
diff --git a/tests/test_i10n.py b/tests/test_i10n.py
new file mode 100644
index 0000000..8dd73be
--- /dev/null
+++ b/tests/test_i10n.py
@@ -0,0 +1,4 @@
+def test_send_mails(client, app, utils):
+    from project.i10n import print_dynamic_texts
+
+    print_dynamic_texts()
diff --git a/tests/test_jsonld.py b/tests/test_jsonld.py
new file mode 100644
index 0000000..be7aa17
--- /dev/null
+++ b/tests/test_jsonld.py
@@ -0,0 +1,230 @@
+import pytest
+
+
+def test_get_sd_for_admin_unit(client, app, db, seeder):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    with app.app_context():
+        from project.jsonld import get_sd_for_admin_unit
+        from project.models import AdminUnit
+
+        admin_unit = AdminUnit.query.get(admin_unit_id)
+        admin_unit.url = "http://www.goslar.de"
+
+        result = get_sd_for_admin_unit(admin_unit)
+        assert result["url"] == "http://www.goslar.de"
+
+
+def test_get_sd_for_organizer(client, app, db, seeder):
+    user_id, admin_unit_id = seeder.setup_base()
+    organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
+
+    with app.app_context():
+        from project.jsonld import get_sd_for_organizer
+        from project.models import EventOrganizer
+
+        organizer = EventOrganizer.query.get(organizer_id)
+        organizer.email = "info@goslar.de"
+        organizer.phone = "12345"
+        organizer.fax = "67890"
+        organizer.url = "http://www.goslar.de"
+
+        result = get_sd_for_organizer(organizer)
+        assert result["email"] == "info@goslar.de"
+        assert result["phone"] == "12345"
+        assert result["faxNumber"] == "67890"
+        assert result["url"] == "http://www.goslar.de"
+
+
+def test_get_sd_for_place(client, app, db, utils, seeder):
+    user_id, admin_unit_id = seeder.setup_base()
+    place_id = seeder.upsert_default_event_place(admin_unit_id)
+
+    with app.app_context():
+        from project.jsonld import get_sd_for_place
+        from project.models import EventPlace, Location, Image
+        from math import isclose
+
+        place = EventPlace.query.get(place_id)
+        place.url = "http://www.goslar.de"
+
+        photo = Image()
+        photo.data = b"something"
+        place.photo = photo
+
+        location = Location()
+        location.street = "Markt 7"
+        location.postalCode = "38640"
+        location.city = "Goslar"
+        location.latitude = 51.9077888
+        location.longitude = 10.4333312
+        place.location = location
+
+        db.session.commit()
+
+        with app.test_request_context():
+            result = get_sd_for_place(place)
+
+        assert result["photo"] == utils.get_url("image", id=photo.id)
+        assert result["url"] == "http://www.goslar.de"
+        assert result["address"]["streetAddress"] == "Markt 7"
+        assert result["address"]["postalCode"] == "38640"
+        assert result["address"]["addressLocality"] == "Goslar"
+        assert isclose(result["geo"]["latitude"], 51.9077888)
+        assert isclose(result["geo"]["longitude"], 10.4333312)
+
+
+def test_get_sd_for_place_noCoordinates(client, app, db, utils, seeder):
+    user_id, admin_unit_id = seeder.setup_base()
+    place_id = seeder.upsert_default_event_place(admin_unit_id)
+
+    with app.app_context():
+        from project.jsonld import get_sd_for_place
+        from project.models import EventPlace, Location
+
+        place = EventPlace.query.get(place_id)
+
+        location = Location()
+        location.street = "Markt 7"
+        location.postalCode = "38640"
+        location.city = "Goslar"
+        place.location = location
+
+        db.session.commit()
+
+        result = get_sd_for_place(place)
+        assert "geo" not in result
+
+
+def test_get_sd_for_event_date(client, app, db, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    with app.app_context():
+        from project.jsonld import get_sd_for_event_date
+        from project.models import Event, Image
+        from project.services.event import update_event
+        from project.dateutils import create_berlin_date
+
+        event = Event.query.get(event_id)
+        event.start = create_berlin_date(2030, 12, 31, 14, 30)
+        event.end = create_berlin_date(2030, 12, 31, 16, 30)
+        event.previous_start_date = create_berlin_date(2030, 12, 30, 14, 30)
+        event.external_link = "www.goslar.de"
+        event.ticket_link = "www.tickets.de"
+        event.accessible_for_free = True
+
+        photo = Image()
+        photo.data = b"something"
+        event.photo = photo
+
+        update_event(event)
+        db.session.commit()
+        event_date = event.dates[0]
+
+        with app.test_request_context():
+            result = get_sd_for_event_date(event_date)
+
+        assert result["startDate"] == event.start
+        assert result["endDate"] == event.end
+        assert result["previousStartDate"] == event.previous_start_date
+        assert result["isAccessibleForFree"]
+        assert result["url"][0] == utils.get_url("event_date", id=event_date.id)
+        assert result["url"][1] == "www.goslar.de"
+        assert result["url"][2] == "www.tickets.de"
+        assert result["image"] == utils.get_url("image", id=photo.id)
+
+
+@pytest.mark.parametrize(
+    "age_from, age_to, typicalAgeRange",
+    [(18, None, "18-"), (None, 14, "-14"), (9, 99, "9-99")],
+)
+def test_get_sd_for_event_date_ageRange(
+    client, app, db, seeder, utils, age_from, age_to, typicalAgeRange
+):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    with app.app_context():
+        from project.jsonld import get_sd_for_event_date
+        from project.models import Event
+        from project.services.event import update_event
+
+        event = Event.query.get(event_id)
+        event.age_from = age_from
+        event.age_to = age_to
+
+        update_event(event)
+        db.session.commit()
+        event_date = event.dates[0]
+
+        with app.test_request_context():
+            result = get_sd_for_event_date(event_date)
+
+        assert result["typicalAgeRange"] == typicalAgeRange
+
+
+@pytest.mark.parametrize(
+    "attendance_mode, eventAttendanceMode",
+    [
+        (1, "OfflineEventAttendanceMode"),
+        (2, "OnlineEventAttendanceMode"),
+        (3, "MixedEventAttendanceMode"),
+    ],
+)
+def test_get_sd_for_event_date_eventAttendanceMode(
+    client, app, db, seeder, utils, attendance_mode, eventAttendanceMode
+):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    with app.app_context():
+        from project.jsonld import get_sd_for_event_date
+        from project.models import Event, EventAttendanceMode
+        from project.services.event import update_event
+
+        event = Event.query.get(event_id)
+        event.attendance_mode = EventAttendanceMode(attendance_mode)
+
+        update_event(event)
+        db.session.commit()
+        event_date = event.dates[0]
+
+        with app.test_request_context():
+            result = get_sd_for_event_date(event_date)
+
+        assert result["eventAttendanceMode"] == eventAttendanceMode
+
+
+@pytest.mark.parametrize(
+    "status, eventStatus",
+    [
+        (1, "EventScheduled"),
+        (2, "EventCancelled"),
+        (3, "EventMovedOnline"),
+        (4, "EventPostponed"),
+        (5, "EventRescheduled"),
+    ],
+)
+def test_get_sd_for_event_date_eventStatus(
+    client, app, db, seeder, utils, status, eventStatus
+):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    with app.app_context():
+        from project.jsonld import get_sd_for_event_date
+        from project.models import Event, EventStatus
+        from project.services.event import update_event
+
+        event = Event.query.get(event_id)
+        event.status = EventStatus(status)
+
+        update_event(event)
+        db.session.commit()
+        event_date = event.dates[0]
+
+        with app.test_request_context():
+            result = get_sd_for_event_date(event_date)
+
+        assert result["eventStatus"] == eventStatus
diff --git a/tests/test_models.py b/tests/test_models.py
new file mode 100644
index 0000000..b3751aa
--- /dev/null
+++ b/tests/test_models.py
@@ -0,0 +1,23 @@
+def test_location_update_coordinate(client, app, db):
+    from project.models import Location
+
+    location = Location()
+    location.latitude = 51.9077888
+    location.longitude = 10.4333312
+    location.update_coordinate()
+
+    assert location.coordinate is not None
+
+
+def test_event_category(client, app, db, seeder):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    with app.app_context():
+        from project.models import Event
+
+        event = Event.query.get(event_id)
+        event.categories = []
+        db.session.commit()
+
+        assert event.category is None
diff --git a/tests/utils.py b/tests/utils.py
new file mode 100644
index 0000000..daeddef
--- /dev/null
+++ b/tests/utils.py
@@ -0,0 +1,147 @@
+import re
+from flask import g, url_for
+from sqlalchemy.exc import IntegrityError
+from bs4 import BeautifulSoup
+
+
+class UtilActions(object):
+    def __init__(self, client, app):
+        self._client = client
+        self._app = app
+
+    def register(self, email="test@test.de", password="MeinPasswortIstDasBeste"):
+        response = self._client.get("/register")
+        assert response.status_code == 200
+
+        with self._client:
+            response = self._client.post(
+                "/register",
+                data={
+                    "email": email,
+                    "password": password,
+                    "password_confirm": password,
+                    "csrf_token": self.get_csrf(response),
+                    "submit": "Register",
+                },
+                follow_redirects=True,
+            )
+            assert response.status_code == 200
+            assert g.identity.user.email == email
+
+    def login(self, email="test@test.de", password="MeinPasswortIstDasBeste"):
+        from project.services.user import find_user_by_email
+
+        response = self._client.get("/login")
+        assert response.status_code == 200
+
+        with self._client:
+            response = self._client.post(
+                "/login",
+                data={
+                    "email": email,
+                    "password": password,
+                    "csrf_token": self.get_csrf(response),
+                    "submit": "Anmelden",
+                },
+                follow_redirects=True,
+            )
+            assert response.status_code == 200
+            assert g.identity.user.email == email
+
+        with self._app.app_context():
+            user = find_user_by_email(email)
+            user_id = user.id
+
+        return user_id
+
+    def logout(self):
+        return self._client.get("/logout")
+
+    def get_csrf(self, response, prefix=None):
+        name = "csrf_token"
+        if prefix:
+            name = prefix + "-" + name
+
+        pattern = (
+            '<input id="' + name + '" name="' + name + '" type="hidden" value="(.*)">'
+        )
+        return (
+            re.search(pattern.encode("utf-8"), response.data).group(1).decode("utf-8")
+        )
+
+    def create_form_data(self, response, values: dict) -> dict:
+        from project.scrape.form import Form
+
+        soup = BeautifulSoup(response.data, "html.parser")
+        form = Form(soup.find("form"))
+        return form.fill(values)
+
+    def post_form(self, url, response, values: dict):
+        data = self.create_form_data(response, values)
+        return self._client.post(url, data=data)
+
+    def post_json(self, url, data: dict):
+        response = self._client.post(url, json=data)
+        assert response.content_type == "application/json"
+        return response.json
+
+    def mock_db_commit(self, mocker):
+        mocked_commit = mocker.patch("project.db.session.commit")
+        mocked_commit.side_effect = IntegrityError(
+            "MockException", "MockException", None
+        )
+
+    def mock_send_mails(self, mocker):
+        return mocker.patch("project.views.utils.send_mails")
+
+    def assert_send_mail_called(self, mock, recipient):
+        mock.assert_called_once()
+        args, kwargs = mock.call_args
+        assert args[0] == [recipient]
+
+    def get_url(self, endpoint, **values):
+        with self._app.test_request_context():
+            url = url_for(endpoint, **values, _external=False)
+        return url
+
+    def get_ok(self, url):
+        response = self._client.get(url)
+        self.assert_response_ok(response)
+        return response
+
+    def assert_response_ok(self, response):
+        assert response.status_code == 200
+
+    def get_unauthorized(self, url):
+        response = self._client.get(url)
+        self.assert_response_unauthorized(response)
+        return response
+
+    def assert_response_unauthorized(self, response):
+        assert response.status_code == 401
+
+    def assert_response_notFound(self, response):
+        assert response.status_code == 404
+
+    def get_endpoint(self, endpoint, **values):
+        return self._client.get(self.get_url(endpoint, **values))
+
+    def get_endpoint_ok(self, endpoint, **values):
+        return self.get_ok(self.get_url(endpoint, **values))
+
+    def assert_response_redirect(self, response, endpoint, **values):
+        assert response.status_code == 302
+
+        redirect_url = "http://localhost" + self.get_url(endpoint, **values)
+        assert response.headers["Location"] == redirect_url
+
+    def assert_response_db_error(self, response):
+        assert response.status_code == 200
+        assert b"MockException" in response.data
+
+    def assert_response_error_message(self, response, error_message=b"alert-danger"):
+        assert response.status_code == 200
+        assert error_message in response.data
+
+    def assert_response_permission_missing(self, response, endpoint, **values):
+        self.assert_response_redirect(response, endpoint, **values)
diff --git a/tests/views/__init__.py b/tests/views/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/views/test_admin.py b/tests/views/test_admin.py
new file mode 100644
index 0000000..4fdeef6
--- /dev/null
+++ b/tests/views/test_admin.py
@@ -0,0 +1,20 @@
+def test_normal_user(client, seeder, utils):
+    seeder.create_user()
+    utils.login()
+    response = client.get("/admin")
+    assert response.status_code == 403
+
+
+def test_admin_user(client, seeder, utils, app):
+    seeder.create_user(admin=True)
+    utils.login()
+    response = client.get("/admin")
+    assert response.status_code == 200
+
+
+def test_admin_units(client, seeder, utils, app):
+    seeder.create_user(admin=True)
+    user = utils.login()
+    seeder.create_admin_unit(user, "Meine Crew")
+    response = client.get("/admin/admin_units")
+    assert b"Meine Crew" in response.data
diff --git a/tests/views/test_admin_unit.py b/tests/views/test_admin_unit.py
new file mode 100644
index 0000000..0dd83b3
--- /dev/null
+++ b/tests/views/test_admin_unit.py
@@ -0,0 +1,127 @@
+def create_form_data(response, utils):
+    return {
+        "csrf_token": utils.get_csrf(response),
+        "name": "Meine Crew",
+        "short_name": "meine_crew",
+        "location-csrf_token": utils.get_csrf(response, "location"),
+        "location-postalCode": "38640",
+        "location-city": "Goslar",
+        "logo-csrf_token": utils.get_csrf(response, "logo"),
+        "submit": "Submit",
+    }
+
+
+def test_create(client, app, utils, seeder):
+    utils.register()
+    response = client.get("/admin_unit/create")
+    assert response.status_code == 200
+
+    data = create_form_data(response, utils)
+    data["logo-image_file"] = seeder.get_default_image_upload()
+
+    with client:
+        response = client.post(
+            "/admin_unit/create",
+            data=data,
+        )
+        assert response.status_code == 302
+
+        with app.app_context():
+            from project.services.admin_unit import get_admin_unit_by_name
+            from project.services.organizer import get_event_organizer
+            from project.access import has_current_user_member_role_for_admin_unit
+
+            admin_unit = get_admin_unit_by_name("Meine Crew")
+            assert admin_unit is not None
+            assert admin_unit.name == "Meine Crew"
+            assert admin_unit.location.city == "Goslar"
+            assert admin_unit.location.postalCode == "38640"
+            assert has_current_user_member_role_for_admin_unit(admin_unit.id, "admin")
+            assert has_current_user_member_role_for_admin_unit(
+                admin_unit.id, "event_verifier"
+            )
+
+            organizer = get_event_organizer(admin_unit.id, "Meine Crew")
+            assert organizer.name == "Meine Crew"
+            assert organizer.location.city == "Goslar"
+            assert organizer.location.postalCode == "38640"
+            assert organizer is not None
+
+
+def test_create_duplicate(client, app, utils, seeder):
+    seeder.create_user()
+    user_id = utils.login()
+    seeder.create_admin_unit(user_id, "Meine Crew")
+
+    response = client.get("/admin_unit/create")
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            "/admin_unit/create",
+            data=create_form_data(response, utils),
+        )
+        assert response.status_code == 200
+        assert b"duplicate" in response.data
+
+
+def test_update(client, app, utils, seeder):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Initial name")
+
+    url = "/admin_unit/%d/update" % admin_unit_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            url,
+            data=create_form_data(response, utils),
+        )
+        assert response.status_code == 302
+
+        with app.app_context():
+            from project.services.admin_unit import get_admin_unit_by_id
+
+            admin_unit_from_db = get_admin_unit_by_id(admin_unit_id)
+            assert admin_unit_from_db is not None
+            assert admin_unit_from_db.name == "Meine Crew"
+
+
+def test_update_duplicate(client, app, utils, seeder):
+    user_id = seeder.create_user()
+    utils.login()
+    seeder.create_admin_unit(user_id, "Meine Crew")
+    admin_unit_id = seeder.create_admin_unit(user_id, "Other Crew")
+
+    url = "/admin_unit/%d/update" % admin_unit_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            url,
+            data=create_form_data(response, utils),
+        )
+        assert response.status_code == 200
+        assert b"duplicate" in response.data
+
+
+def test_update_permission_missing(client, app, db, utils, seeder):
+    owner_id = seeder.create_user("owner@owner")
+    admin_unit_id = seeder.create_admin_unit(owner_id, "Other crew")
+    seeder.create_admin_unit_member_event_verifier(admin_unit_id)
+    utils.login()
+
+    url = "/admin_unit/%d/update" % admin_unit_id
+    response = client.get(url)
+    assert response.status_code == 302
+
+
+def test_list(client, app, utils, seeder):
+    seeder.create_user()
+    user_id = utils.login()
+    seeder.create_admin_unit(user_id, "Meine Crew")
+    response = client.get("/manage/admin_units")
+    assert b"Meine Crew" in response.data
diff --git a/tests/views/test_admin_unit_member.py b/tests/views/test_admin_unit_member.py
new file mode 100644
index 0000000..7a12410
--- /dev/null
+++ b/tests/views/test_admin_unit_member.py
@@ -0,0 +1,151 @@
+def test_update(client, app, utils, seeder):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+    member_id = seeder.create_admin_unit_member_event_verifier(admin_unit_id)
+
+    url = "/manage/member/%d/update" % member_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "roles": "admin",
+                "submit": "Submit",
+            },
+        )
+        assert response.status_code == 302
+
+        with app.app_context():
+            from project.services.admin_unit import get_admin_unit_member
+
+            member = get_admin_unit_member(member_id)
+            assert len(member.roles) == 1
+            assert any(r.name == "admin" for r in member.roles)
+
+
+def test_update_db_error(client, app, utils, seeder, mocker):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+    member_id = seeder.create_admin_unit_member_event_verifier(admin_unit_id)
+
+    url = "/manage/member/%d/update" % member_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        utils.mock_db_commit(mocker)
+
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "roles": "admin",
+                "submit": "Submit",
+            },
+        )
+        assert response.status_code == 200
+        assert b"MockException" in response.data
+
+
+def test_update_permission_missing(client, app, db, utils, seeder):
+    owner_id = seeder.create_user("owner@owner")
+    admin_unit_id = seeder.create_admin_unit(owner_id, "Other crew")
+    member_id = seeder.create_admin_unit_member_event_verifier(admin_unit_id)
+    utils.login()
+
+    url = "/manage/member/%d/update" % member_id
+    response = client.get(url)
+    assert response.status_code == 302
+
+
+def test_delete(client, app, utils, seeder):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+    member_id = seeder.create_admin_unit_member_event_verifier(admin_unit_id)
+
+    url = "/manage/member/%d/delete" % member_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "email": "test@test.de",
+                "submit": "Submit",
+            },
+        )
+        assert response.status_code == 302
+
+        with app.app_context():
+            from project.services.admin_unit import get_admin_unit_member
+
+            member = get_admin_unit_member(member_id)
+            assert member is None
+
+
+def test_delete_db_error(client, app, utils, seeder, mocker):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+    member_id = seeder.create_admin_unit_member_event_verifier(admin_unit_id)
+
+    url = "/manage/member/%d/delete" % member_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        utils.mock_db_commit(mocker)
+
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "email": "test@test.de",
+                "submit": "Submit",
+            },
+        )
+
+        assert response.status_code == 200
+        assert b"MockException" in response.data
+
+
+def test_delete_email_does_not_match(client, app, utils, seeder):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+    member_id = seeder.create_admin_unit_member_event_verifier(admin_unit_id)
+
+    url = "/manage/member/%d/delete" % member_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "email": "wrong@test.de",
+                "submit": "Submit",
+            },
+        )
+        assert response.status_code == 200
+        assert b"Die eingegebene Email passt nicht zur Email" in response.data
+
+
+def test_delete_permission_missing(client, app, db, utils, seeder):
+    owner_id = seeder.create_user("owner@owner")
+    admin_unit_id = seeder.create_admin_unit(owner_id, "Other crew")
+    member_id = seeder.create_admin_unit_member_event_verifier(admin_unit_id)
+    utils.login()
+
+    url = "/manage/member/%d/delete" % member_id
+    response = client.get(url)
+    assert response.status_code == 302
diff --git a/tests/views/test_admin_unit_member_invitation.py b/tests/views/test_admin_unit_member_invitation.py
new file mode 100644
index 0000000..b29044c
--- /dev/null
+++ b/tests/views/test_admin_unit_member_invitation.py
@@ -0,0 +1,343 @@
+def test_create(client, app, utils, seeder, mocker):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+
+    url = "/manage/admin_unit/%d/members/invite" % admin_unit_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        mail_mock = utils.mock_send_mails(mocker)
+        email = "new@member.de"
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "email": email,
+                "roles": "admin",
+                "submit": "Submit",
+            },
+        )
+        assert response.status_code == 302
+        utils.assert_send_mail_called(mail_mock, email)
+
+        with app.app_context():
+            from project.services.admin_unit import find_admin_unit_member_invitation
+
+            invitation = find_admin_unit_member_invitation(email, admin_unit_id)
+            assert invitation.roles == "admin"
+
+
+def test_create_db_error(client, app, utils, seeder, mocker):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+
+    url = "/manage/admin_unit/%d/members/invite" % admin_unit_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        utils.mock_db_commit(mocker)
+        email = "new@member.de"
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "email": email,
+                "roles": "admin",
+                "submit": "Submit",
+            },
+        )
+        assert response.status_code == 200
+        assert b"MockException" in response.data
+
+
+def test_create_permission_missing(client, app, db, utils, seeder):
+    owner_id = seeder.create_user("owner@owner")
+    admin_unit_id = seeder.create_admin_unit(owner_id, "Other crew")
+    seeder.create_admin_unit_member_event_verifier(admin_unit_id)
+    utils.login()
+
+    url = "/manage/admin_unit/%d/members/invite" % admin_unit_id
+    response = client.get(url)
+    assert response.status_code == 302
+
+
+def test_read_accept(client, app, db, utils, seeder):
+    user_id = seeder.create_user()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+
+    email = "new@member.de"
+    new_member_user_id = seeder.create_user(email)
+    utils.login(email)
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    url = "/invitations/%d" % invitation_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "accept": "Akzeptieren",
+            },
+        )
+        assert response.status_code == 302
+        assert response.headers["Location"] == "http://localhost/manage"
+
+        with app.app_context():
+            from project.services.admin_unit import (
+                find_admin_unit_member_invitation,
+                get_member_for_admin_unit_by_user_id,
+            )
+
+            invitation = find_admin_unit_member_invitation(email, admin_unit_id)
+            assert invitation is None
+
+            member = get_member_for_admin_unit_by_user_id(
+                admin_unit_id, new_member_user_id
+            )
+            assert len(member.roles) == 1
+            assert any(r.name == "admin" for r in member.roles)
+
+
+def test_read_accept_WrongRole(client, app, db, utils, seeder):
+    user_id = seeder.create_user()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+
+    email = "new@member.de"
+    seeder.create_user(email)
+    utils.login(email)
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email, ["wrongrole"])
+
+    url = "/invitations/%d" % invitation_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "accept": "Akzeptieren",
+            },
+        )
+        utils.assert_response_redirect(response, "manage")
+
+
+def test_read_decline(client, app, db, utils, seeder):
+    user_id = seeder.create_user()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+
+    email = "new@member.de"
+    new_member_user_id = seeder.create_user(email)
+    utils.login(email)
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    url = "/invitations/%d" % invitation_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "decline": "Ablehnen",
+            },
+        )
+        assert response.status_code == 302
+        assert response.headers["Location"] == "http://localhost/manage"
+
+        with app.app_context():
+            from project.services.admin_unit import (
+                find_admin_unit_member_invitation,
+                get_member_for_admin_unit_by_user_id,
+            )
+
+            invitation = find_admin_unit_member_invitation(email, admin_unit_id)
+            assert invitation is None
+
+            member = get_member_for_admin_unit_by_user_id(
+                admin_unit_id, new_member_user_id
+            )
+            assert member is None
+
+
+def test_read_db_error(client, app, utils, seeder, mocker):
+    user_id = seeder.create_user()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+
+    email = "new@member.de"
+    seeder.create_user(email)
+    utils.login(email)
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    url = "/invitations/%d" % invitation_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        utils.mock_db_commit(mocker)
+
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "accept": "Akzeptieren",
+            },
+        )
+
+        assert response.status_code == 200
+        assert b"MockException" in response.data
+
+
+def test_read_new_member_not_registered(client, app, utils, seeder):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+    email = "new@member.de"
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    url = "/invitations/%d" % invitation_id
+    response = client.get(url)
+    assert response.status_code == 302
+    assert response.headers["Location"] == "http://localhost/register"
+
+
+def test_read_new_member_not_authenticated(client, app, utils, seeder):
+    user_id = seeder.create_user()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+
+    email = "new@member.de"
+    seeder.create_user(email)
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    url = "/invitations/%d" % invitation_id
+    response = client.get(url)
+    assert response.status_code == 302
+    assert response.headers["Location"].startswith("http://localhost/login")
+
+
+def test_read_currentUserDoesNotMatchInvitationEmail(client, app, db, utils, seeder):
+    user_id = seeder.create_user()
+    utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+
+    email = "new@member.de"
+    seeder.create_user(email)
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    url = "/invitations/%d" % invitation_id
+    response = client.get(url)
+    assert response.status_code == 302
+    assert response.headers["Location"] == "http://localhost/profile"
+
+
+def test_delete(client, app, utils, seeder):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+    email = "new@member.de"
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    url = "/manage/invitation/%d/delete" % invitation_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "email": email,
+                "submit": "Submit",
+            },
+        )
+        assert response.status_code == 302
+
+        with app.app_context():
+            from project.services.admin_unit import find_admin_unit_member_invitation
+
+            invitation = find_admin_unit_member_invitation(email, admin_unit_id)
+            assert invitation is None
+
+
+def test_delete_db_error(client, app, utils, seeder, mocker):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+    email = "new@member.de"
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    url = "/manage/invitation/%d/delete" % invitation_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        utils.mock_db_commit(mocker)
+
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "email": email,
+                "submit": "Submit",
+            },
+        )
+
+        assert response.status_code == 200
+        assert b"MockException" in response.data
+
+
+def test_delete_email_does_not_match(client, app, utils, seeder):
+    seeder.create_user()
+    user_id = utils.login()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+    email = "new@member.de"
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    url = "/manage/invitation/%d/delete" % invitation_id
+    response = client.get(url)
+    assert response.status_code == 200
+
+    with client:
+        response = client.post(
+            url,
+            data={
+                "csrf_token": utils.get_csrf(response),
+                "email": "wrong@test.de",
+                "submit": "Submit",
+            },
+        )
+        assert response.status_code == 200
+        assert b"Die eingegebene Email passt nicht zur Email" in response.data
+
+
+def test_delete_permission_missing(client, app, db, utils, seeder):
+    owner_id = seeder.create_user("owner@owner")
+    admin_unit_id = seeder.create_admin_unit(owner_id, "Other crew")
+    email = "new@member.de"
+    seeder.create_admin_unit_member_event_verifier(admin_unit_id)
+    utils.login()
+
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    url = "/manage/invitation/%d/delete" % invitation_id
+
+    response = client.get(url)
+    assert response.status_code == 302
diff --git a/tests/views/test_api.py b/tests/views/test_api.py
new file mode 100644
index 0000000..fe0b84e
--- /dev/null
+++ b/tests/views/test_api.py
@@ -0,0 +1,56 @@
+def test_events(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    seeder.create_event(admin_unit_id)
+
+    url = utils.get_url("api_events")
+    utils.get_ok(url)
+
+
+def test_event_dates(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    seeder.create_event(admin_unit_id)
+
+    url = utils.get_url("api_event_dates")
+    utils.get_ok(url)
+
+    url = utils.get_url("api_event_dates", keyword="name")
+    utils.get_ok(url)
+
+    url = utils.get_url("api_event_dates", category_id=2000)
+    utils.get_ok(url)
+
+    url = utils.get_url("api_event_dates", category_id=0)
+    utils.get_ok(url)
+
+    url = utils.get_url("api_event_dates", weekday=1)
+    utils.get_ok(url)
+
+    url = utils.get_url(
+        "api_event_dates", coordinate="51.9077888,10.4333312", distance=500
+    )
+    utils.get_ok(url)
+
+    url = utils.get_url("api_event_dates", date_from="2020-10-03", date_to="2021-10-03")
+    utils.get_ok(url)
+
+    organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
+    url = utils.get_url("api_event_dates", organizer_id=organizer_id)
+    utils.get_ok(url)
+
+
+def test_infoscreen(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    seeder.create_event(admin_unit_id)
+    au_short_name = "meinecrew"
+
+    url = utils.get_url("api_infoscreen", au_short_name=au_short_name)
+    utils.get_ok(url)
+
+
+def test_event_places(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
+    seeder.upsert_event_place(admin_unit_id, "Mein Ort")
+
+    url = utils.get_url("api_event_places", id=organizer_id)
+    utils.get_ok(url)
diff --git a/tests/test_app.py b/tests/views/test_app.py
similarity index 100%
rename from tests/test_app.py
rename to tests/views/test_app.py
diff --git a/tests/views/test_auth.py b/tests/views/test_auth.py
new file mode 100644
index 0000000..3fb6f61
--- /dev/null
+++ b/tests/views/test_auth.py
@@ -0,0 +1,15 @@
+from project.services.user import find_user_by_email
+
+
+def test_register(client, app, utils):
+    utils.register("test@test.de", "MeinPasswortIstDasBeste")
+
+    with app.app_context():
+        user = find_user_by_email("test@test.de")
+        assert user is not None
+
+
+def test_login(client, app, db, utils, seeder):
+    seeder.create_user("test@test.de", "MeinPasswortIstDasBeste")
+    user_id = utils.login("test@test.de", "MeinPasswortIstDasBeste")
+    assert user_id is not None
diff --git a/tests/views/test_event.py b/tests/views/test_event.py
new file mode 100644
index 0000000..463c4d9
--- /dev/null
+++ b/tests/views/test_event.py
@@ -0,0 +1,365 @@
+import pytest
+
+
+def test_read(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    url = utils.get_url("event", event_id=event_id)
+    utils.get_ok(url)
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_create(client, app, utils, seeder, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+    place_id = seeder.upsert_default_event_place(admin_unit_id)
+    organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
+
+    url = utils.get_url("event_create_for_admin_unit_id", id=admin_unit_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Name",
+            "description": "Beschreibung",
+            "start": ["2030-12-31", "23", "59"],
+            "event_place_id": place_id,
+            "organizer_id": organizer_id,
+            "photo-image_base64": seeder.get_default_image_upload_base64(),
+        },
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_events", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import Event
+
+        event = (
+            Event.query.filter(Event.admin_unit_id == admin_unit_id)
+            .filter(Event.name == "Name")
+            .first()
+        )
+        assert event is not None
+
+
+def test_create_newPlaceAndOrganizer(client, app, utils, seeder, mocker):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    url = utils.get_url("event_create_for_admin_unit_id", id=admin_unit_id)
+    response = utils.get_ok(url)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Name",
+            "description": "Beschreibung",
+            "start": ["2030-12-31", "23", "59"],
+            "organizer_choice": 2,
+            "new_organizer-name": "Neuer Veranstalter",
+            "event_place_choice": 2,
+            "new_event_place-name": "Neuer Ort",
+        },
+    )
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_events", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import Event
+
+        event = (
+            Event.query.filter(Event.admin_unit_id == admin_unit_id)
+            .filter(Event.name == "Name")
+            .first()
+        )
+        assert event is not None
+
+
+def test_create_missingName(client, app, utils, seeder, mocker):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    url = utils.get_url("event_create_for_admin_unit_id", id=admin_unit_id)
+    response = utils.get_ok(url)
+
+    response = utils.post_form(
+        url,
+        response,
+        {},
+    )
+
+    utils.assert_response_error_message(response)
+
+
+def test_create_missingPlace(client, app, utils, seeder, mocker):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    url = utils.get_url("event_create_for_admin_unit_id", id=admin_unit_id)
+    response = utils.get_ok(url)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Name",
+            "description": "Beschreibung",
+            "start": ["2030-12-31", "23", "59"],
+        },
+    )
+
+    utils.assert_response_error_message(response)
+
+
+def test_create_missingOrganizer(client, app, utils, seeder, mocker):
+    user_id, admin_unit_id = seeder.setup_base()
+    place_id = seeder.upsert_default_event_place(admin_unit_id)
+    organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
+
+    url = utils.get_url("event_create_for_admin_unit_id", id=admin_unit_id)
+    response = utils.get_ok(url)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Name",
+            "description": "Beschreibung",
+            "start": ["31.12.2030", "23", "59"],
+            "event_place_id": place_id,
+            "organizer_id": organizer_id,
+        },
+    )
+
+    utils.assert_response_error_message(response)
+
+
+def test_create_invalidDateFormat(client, app, utils, seeder, mocker):
+    user_id, admin_unit_id = seeder.setup_base()
+    place_id = seeder.upsert_default_event_place(admin_unit_id)
+
+    url = utils.get_url("event_create_for_admin_unit_id", id=admin_unit_id)
+    response = utils.get_ok(url)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Name",
+            "description": "Beschreibung",
+            "start": ["2030-12-31", "23", "59"],
+            "event_place_id": place_id,
+        },
+    )
+
+    utils.assert_response_error_message(response)
+
+
+def test_duplicate(client, app, utils, seeder, mocker):
+    user_id, admin_unit_id = seeder.setup_base()
+    template_event_id = seeder.create_event(admin_unit_id)
+
+    url = utils.get_url(
+        "event_create_for_admin_unit_id",
+        id=admin_unit_id,
+        template_id=template_event_id,
+    )
+    response = utils.get_ok(url)
+
+    response = utils.post_form(url, response, {})
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_events", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import Event
+
+        events = (
+            Event.query.filter(Event.admin_unit_id == admin_unit_id)
+            .filter(Event.name == "Name")
+            .all()
+        )
+        assert len(events) == 2
+
+
+@pytest.mark.parametrize("free_text", [True, False])
+def test_create_fromSuggestion(client, app, utils, seeder, mocker, free_text):
+    user_id, admin_unit_id = seeder.setup_base()
+    suggestion_id = seeder.create_event_suggestion(admin_unit_id, free_text)
+
+    url = utils.get_url(
+        "event_create_for_admin_unit_id",
+        id=admin_unit_id,
+        event_suggestion_id=suggestion_id,
+    )
+    response = utils.get_ok(url)
+
+    response = utils.post_form(url, response, {})
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_events", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import Event, EventSuggestion
+
+        event = (
+            Event.query.filter(Event.admin_unit_id == admin_unit_id)
+            .filter(Event.name == "Vorschlag")
+            .first()
+        )
+        assert event is not None
+
+        suggestion = EventSuggestion.query.get(suggestion_id)
+        assert suggestion is not None
+        assert suggestion.verified
+        assert suggestion.event_id == event.id
+
+
+def test_create_verifiedSuggestionRedirectsToReviewStatus(
+    client, app, utils, seeder, mocker
+):
+    user_id, admin_unit_id = seeder.setup_base()
+    suggestion_id = seeder.create_event_suggestion(admin_unit_id)
+
+    url = utils.get_url(
+        "event_create_for_admin_unit_id",
+        id=admin_unit_id,
+        event_suggestion_id=suggestion_id,
+    )
+    response = utils.get_ok(url)
+
+    response = utils.post_form(url, response, {})
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_events", id=admin_unit_id
+    )
+
+    response = client.get(url)
+    utils.assert_response_redirect(
+        response, "event_suggestion_review_status", event_suggestion_id=suggestion_id
+    )
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_update(client, seeder, utils, app, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    url = utils.get_url("event_update", event_id=event_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Neuer Name",
+        },
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_events", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import Event
+
+        event = (
+            Event.query.filter(Event.admin_unit_id == admin_unit_id)
+            .filter(Event.name == "Neuer Name")
+            .first()
+        )
+        assert event is not None
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_delete(client, seeder, utils, app, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    url = utils.get_url("event_delete", event_id=event_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Name",
+        },
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_events", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import Event
+
+        event = (
+            Event.query.filter(Event.admin_unit_id == admin_unit_id)
+            .filter(Event.name == "Name")
+            .first()
+        )
+        assert event is None
+
+
+def test_delete_nameDoesNotMatch(client, seeder, utils, app, mocker):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    url = utils.get_url("event_delete", event_id=event_id)
+    response = utils.get_ok(url)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Falscher Name",
+        },
+    )
+
+    utils.assert_response_error_message(
+        response, b"Der eingegebene Name entspricht nicht dem Namen der Veranstaltung"
+    )
+
+
+def test_rrule(client, seeder, utils, app):
+    url = utils.get_url("event_rrule")
+    json = utils.post_json(
+        url,
+        {
+            "year": 2020,
+            "month": 11,
+            "day": 25,
+            "rrule": "RRULE:FREQ=DAILY;COUNT=7",
+            "start": 0,
+        },
+    )
+
+    assert json["batch"]["batch_size"] == 10
+
+    occurence = json["occurrences"][0]
+    assert occurence["date"] == "20201125T000000"
+    assert occurence["formattedDate"] == '"25.11.2020"'
diff --git a/tests/views/test_event_date.py b/tests/views/test_event_date.py
new file mode 100644
index 0000000..25048d1
--- /dev/null
+++ b/tests/views/test_event_date.py
@@ -0,0 +1,24 @@
+def test_read(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    seeder.create_event(admin_unit_id)
+
+    url = utils.get_url("event_date", id=1)
+    utils.get_ok(url)
+
+    url = utils.get_url("event_date", id=1, src="home")
+    response = client.get(url)
+    utils.assert_response_redirect(response, "event_date", id=1)
+
+
+def test_list(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    seeder.create_event(admin_unit_id)
+
+    url = utils.get_url("event_dates")
+    utils.get_ok(url)
+
+    url = utils.get_url("event_dates", keyword="name")
+    utils.get_ok(url)
+
+    url = utils.get_url("event_dates", category_id=2000)
+    utils.get_ok(url)
diff --git a/tests/views/test_event_place.py b/tests/views/test_event_place.py
new file mode 100644
index 0000000..f460d40
--- /dev/null
+++ b/tests/views/test_event_place.py
@@ -0,0 +1,135 @@
+import pytest
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_create(client, app, utils, seeder, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    url = utils.get_url("manage_admin_unit_places_create", id=admin_unit_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Neuer Ort",
+        },
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_event_places", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import EventPlace
+
+        place = (
+            EventPlace.query.filter(EventPlace.admin_unit_id == admin_unit_id)
+            .filter(EventPlace.name == "Neuer Ort")
+            .first()
+        )
+        assert place is not None
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_update(client, seeder, utils, app, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+    place_id = seeder.upsert_default_event_place(admin_unit_id)
+
+    url = utils.get_url("event_place_update", id=place_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Neuer Name",
+        },
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_event_places", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import EventPlace
+
+        place = EventPlace.query.get(place_id)
+        assert place.name == "Neuer Name"
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+@pytest.mark.parametrize("non_match", [True, False])
+def test_delete(client, seeder, utils, app, mocker, db_error, non_match):
+    user_id, admin_unit_id = seeder.setup_base()
+    place_id = seeder.upsert_event_place(admin_unit_id, "Mein Ort")
+
+    url = utils.get_url("event_place_delete", id=place_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    form_name = "Mein Ort"
+
+    if non_match:
+        form_name = "Falscher Name"
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": form_name,
+        },
+    )
+
+    if non_match:
+        utils.assert_response_error_message(
+            response, b"Der eingegebene Name entspricht nicht dem Namen des Ortes"
+        )
+        return
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_event_places", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import EventPlace
+
+        place = EventPlace.query.get(place_id)
+        assert place is None
+
+
+def test_create_Unauthorized(client, app, utils, seeder):
+    owner_id = seeder.create_user("owner@owner")
+    admin_unit_id = seeder.create_admin_unit(owner_id, "Other crew")
+    seeder.create_admin_unit_member(admin_unit_id, [])
+    utils.login()
+
+    url = utils.get_url("manage_admin_unit_places_create", id=admin_unit_id)
+    utils.get_unauthorized(url)
+
+
+def test_create_admin(client, app, utils, seeder):
+    user_id, admin_unit_id = seeder.setup_base(admin=True)
+
+    url = utils.get_url("manage_admin_unit_places_create", id=admin_unit_id)
+    utils.get_ok(url)
diff --git a/tests/views/test_event_suggestion.py b/tests/views/test_event_suggestion.py
new file mode 100644
index 0000000..4b40f02
--- /dev/null
+++ b/tests/views/test_event_suggestion.py
@@ -0,0 +1,76 @@
+import pytest
+
+
+def test_review(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_suggestion_id = seeder.create_event_suggestion(admin_unit_id)
+
+    url = utils.get_url(
+        "event_suggestion_review", event_suggestion_id=event_suggestion_id
+    )
+    utils.get_ok(url)
+
+
+def test_review_status(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_suggestion_id = seeder.create_event_suggestion(admin_unit_id)
+
+    url = utils.get_url(
+        "event_suggestion_review_status", event_suggestion_id=event_suggestion_id
+    )
+    utils.get_ok(url)
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+@pytest.mark.parametrize("is_verified", [True, False])
+def test_reject(client, app, utils, seeder, mocker, db, db_error, is_verified):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_suggestion_id = seeder.create_event_suggestion(admin_unit_id)
+
+    url = utils.get_url(
+        "event_suggestion_reject", event_suggestion_id=event_suggestion_id
+    )
+
+    if is_verified:
+        with app.app_context():
+            from project.models import EventSuggestion, EventReviewStatus
+
+            suggestion = EventSuggestion.query.get(event_suggestion_id)
+            suggestion.review_status = EventReviewStatus.verified
+            db.session.commit()
+
+        response = client.get(url)
+        utils.assert_response_redirect(
+            response, "event_suggestion_review", event_suggestion_id=event_suggestion_id
+        )
+        return
+
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    mail_mock = utils.mock_send_mails(mocker)
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "rejection_resaon": 0,
+        },
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_event_reviews", id=admin_unit_id
+    )
+    utils.assert_send_mail_called(mail_mock, "vorname@nachname.de")
+
+    with app.app_context():
+        from project.models import EventSuggestion, EventReviewStatus
+
+        suggestion = EventSuggestion.query.get(event_suggestion_id)
+        assert suggestion.review_status == EventReviewStatus.rejected
+        assert suggestion.rejection_resaon is None
diff --git a/tests/views/test_image.py b/tests/views/test_image.py
new file mode 100644
index 0000000..65377a1
--- /dev/null
+++ b/tests/views/test_image.py
@@ -0,0 +1,6 @@
+def test_read(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    image_id = seeder.upsert_default_image()
+
+    url = utils.get_url("image", id=image_id)
+    utils.get_ok(url)
diff --git a/tests/views/test_manage.py b/tests/views/test_manage.py
new file mode 100644
index 0000000..2ffea5b
--- /dev/null
+++ b/tests/views/test_manage.py
@@ -0,0 +1,134 @@
+import pytest
+
+
+def test_index_noCookie(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    response = utils.get_endpoint("manage")
+    utils.assert_response_redirect(response, "manage_admin_units")
+
+
+def test_index_withValidCookie(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    client.set_cookie("localhost", "manage_admin_unit_id", str(admin_unit_id))
+
+    response = utils.get_endpoint("manage")
+    utils.assert_response_redirect(response, "manage_admin_unit", id=admin_unit_id)
+
+
+def test_index_withInvalidCookie(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    client.set_cookie("localhost", "manage_admin_unit_id", "invalid")
+
+    response = utils.get_endpoint("manage")
+    utils.assert_response_redirect(response, "manage_admin_units")
+
+
+def test_admin_unit(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    response = utils.get_endpoint("manage_admin_unit", id=admin_unit_id)
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_events", id=admin_unit_id
+    )
+
+
+def test_admin_unit_404(client, seeder, utils):
+    owner_id = seeder.create_user("owner@owner")
+    admin_unit_id = seeder.create_admin_unit(owner_id, "Other crew")
+    seeder.create_user()
+    utils.login()
+
+    response = utils.get_endpoint("manage_admin_unit", id=admin_unit_id)
+    utils.assert_response_notFound(response)
+
+
+def test_admin_unit_event_reviews(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    utils.get_endpoint_ok("manage_admin_unit_event_reviews", id=admin_unit_id)
+
+
+def test_admin_unit_events(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    utils.get_endpoint_ok(
+        "manage_admin_unit_events",
+        id=admin_unit_id,
+        date_from="2020-10-03",
+        date_to="2021-10-03",
+    )
+
+
+def test_admin_unit_events_invalidDateFormat(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    utils.get_endpoint_ok(
+        "manage_admin_unit_events",
+        id=admin_unit_id,
+        date_from="03.10.2020",
+        date_to="2021-10-03",
+    )
+    utils.get_endpoint_ok(
+        "manage_admin_unit_events", id=admin_unit_id, date_from="", date_to=""
+    )
+
+
+def test_admin_unit_organizers(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    utils.get_endpoint_ok("manage_admin_unit_organizers", id=admin_unit_id)
+
+
+def test_admin_unit_event_places(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    utils.get_endpoint_ok("manage_admin_unit_event_places", id=admin_unit_id)
+
+
+def test_admin_unit_members(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    utils.get_endpoint_ok("manage_admin_unit_members", id=admin_unit_id)
+
+
+def test_admin_unit_members_permission_missing(client, seeder, utils):
+    owner_id, admin_unit_id, member_id = seeder.setup_base_event_verifier()
+
+    response = utils.get_endpoint("manage_admin_unit_members", id=admin_unit_id)
+    utils.assert_response_permission_missing(
+        response, "manage_admin_unit", id=admin_unit_id
+    )
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_admin_unit_widgets(client, seeder, utils, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    url = utils.get_url("manage_admin_unit_widgets", id=admin_unit_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    response = utils.post_form(url, response, {})
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_widgets", id=admin_unit_id
+    )
+
+
+def test_admin_unit_widgets_permission_missing(client, seeder, utils, mocker):
+    owner_id, admin_unit_id, member_id = seeder.setup_base_event_verifier()
+
+    url = utils.get_url("manage_admin_unit_widgets", id=admin_unit_id)
+    response = utils.get_ok(url)
+    response = utils.post_form(url, response, {})
+
+    utils.assert_response_permission_missing(
+        response, "manage_admin_unit", id=admin_unit_id
+    )
diff --git a/tests/views/test_organizer.py b/tests/views/test_organizer.py
new file mode 100644
index 0000000..e05e7fe
--- /dev/null
+++ b/tests/views/test_organizer.py
@@ -0,0 +1,121 @@
+import pytest
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_create(client, app, utils, seeder, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    url = utils.get_url("manage_admin_unit_organizer_create", id=admin_unit_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Neuer Organisator",
+            "logo-image_file": seeder.get_default_image_upload(),
+        },
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_organizers", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import EventOrganizer
+
+        organizer = (
+            EventOrganizer.query.filter(EventOrganizer.admin_unit_id == admin_unit_id)
+            .filter(EventOrganizer.name == "Neuer Organisator")
+            .first()
+        )
+        assert organizer is not None
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_update(client, seeder, utils, app, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+    organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
+
+    url = utils.get_url("organizer_update", id=organizer_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Neuer Name",
+            "logo-delete_flag": "y",
+        },
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_organizers", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import EventOrganizer
+
+        organizer = EventOrganizer.query.get(organizer_id)
+        assert organizer.name == "Neuer Name"
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+@pytest.mark.parametrize("non_match", [True, False])
+def test_delete(client, seeder, utils, app, mocker, db_error, non_match):
+    user_id, admin_unit_id = seeder.setup_base()
+    organizer_id = seeder.upsert_event_organizer(admin_unit_id, "Mein Organisator")
+
+    url = utils.get_url("organizer_delete", id=organizer_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    form_name = "Mein Organisator"
+
+    if non_match:
+        form_name = "Falscher Name"
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": form_name,
+        },
+    )
+
+    if non_match:
+        utils.assert_response_error_message(
+            response,
+            b"Der eingegebene Name entspricht nicht dem Namen des Veranstalters",
+        )
+        return
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_organizers", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import EventOrganizer
+
+        organizer = EventOrganizer.query.get(organizer_id)
+        assert organizer is None
diff --git a/tests/views/test_planing.py b/tests/views/test_planing.py
new file mode 100644
index 0000000..b4af6bb
--- /dev/null
+++ b/tests/views/test_planing.py
@@ -0,0 +1,9 @@
+def test_list(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    seeder.create_event(admin_unit_id)
+
+    url = utils.get_url("planing")
+    utils.get_ok(url)
+
+    url = utils.get_url("planing", keyword="name")
+    utils.get_ok(url)
diff --git a/tests/views/test_reference.py b/tests/views/test_reference.py
new file mode 100644
index 0000000..624fee0
--- /dev/null
+++ b/tests/views/test_reference.py
@@ -0,0 +1,163 @@
+import pytest
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_create(client, app, utils, seeder, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+    other_admin_unit_id = seeder.create_admin_unit(user_id, "Other Crew")
+    event_id = seeder.create_event(other_admin_unit_id)
+
+    url = utils.get_url("event_reference", event_id=event_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    response = utils.post_form(
+        url,
+        response,
+        {"admin_unit_id": admin_unit_id},
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(response, "event", event_id=event_id)
+
+    with app.app_context():
+        from project.models import EventReference
+
+        reference = (
+            EventReference.query.filter(EventReference.admin_unit_id == admin_unit_id)
+            .filter(EventReference.event_id == event_id)
+            .first()
+        )
+        assert reference is not None
+
+
+def test_create_401(client, app, utils, seeder, mocker):
+    seeder.create_user()
+    seeder._utils.login()
+
+    owner_id = seeder.create_user("owner@owner")
+    other_admin_unit_id = seeder.create_admin_unit(owner_id, "Other Crew")
+    event_id = seeder.create_event(other_admin_unit_id)
+
+    url = utils.get_url("event_reference", event_id=event_id)
+    response = client.get(url)
+    assert response.status_code == 401
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_update(client, seeder, utils, app, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+    (
+        other_user_id,
+        other_admin_unit_id,
+        event_id,
+        reference_id,
+    ) = seeder.create_any_reference(admin_unit_id)
+
+    url = utils.get_url("event_reference_update", id=reference_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "rating": 70,
+        },
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_references_incoming", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import EventReference
+
+        reference = EventReference.query.get(reference_id)
+        assert reference.rating == 70
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+@pytest.mark.parametrize("non_match", [True, False])
+def test_delete(client, seeder, utils, app, mocker, db_error, non_match):
+    user_id, admin_unit_id = seeder.setup_base()
+    (
+        other_user_id,
+        other_admin_unit_id,
+        event_id,
+        reference_id,
+    ) = seeder.create_any_reference(admin_unit_id)
+
+    url = utils.get_url("reference_delete", id=reference_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    form_name = "Name"
+
+    if non_match:
+        form_name = "Falscher Name"
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": form_name,
+        },
+    )
+
+    if non_match:
+        utils.assert_response_error_message(
+            response,
+            b"Der eingegebene Name entspricht nicht dem Namen der Veranstaltung",
+        )
+        return
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_references_incoming", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import EventReference
+
+        reference = EventReference.query.get(reference_id)
+        assert reference is None
+
+
+def test_admin_unit_references_incoming(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    (
+        other_user_id,
+        other_admin_unit_id,
+        event_id,
+        reference_id,
+    ) = seeder.create_any_reference(admin_unit_id)
+
+    utils.get_endpoint_ok("manage_admin_unit_references_incoming", id=admin_unit_id)
+
+
+def test_admin_unit_references_outgoing(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    other_user_id = seeder.create_user("other@test.de")
+    other_admin_unit_id = seeder.create_admin_unit(other_user_id, "Other Crew")
+    seeder.create_reference(event_id, other_admin_unit_id)
+
+    utils.get_endpoint_ok("manage_admin_unit_references_outgoing", id=admin_unit_id)
diff --git a/tests/views/test_reference_request.py b/tests/views/test_reference_request.py
new file mode 100644
index 0000000..9aa433d
--- /dev/null
+++ b/tests/views/test_reference_request.py
@@ -0,0 +1,70 @@
+import pytest
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+def test_create(client, app, utils, seeder, mocker, db_error):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    other_user_id = seeder.create_user("other@test.de")
+    other_admin_unit_id = seeder.create_admin_unit(other_user_id, "Other Crew")
+
+    url = utils.get_url("event_reference_request_create", event_id=event_id)
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    mail_mock = utils.mock_send_mails(mocker)
+    response = utils.post_form(
+        url,
+        response,
+        {"admin_unit_id": other_admin_unit_id},
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(response, "event", event_id=event_id)
+    utils.assert_send_mail_called(mail_mock, "other@test.de")
+
+    with app.app_context():
+        from project.models import (
+            EventReferenceRequest,
+            EventReferenceRequestReviewStatus,
+        )
+
+        reference_request = (
+            EventReferenceRequest.query.filter(
+                EventReferenceRequest.admin_unit_id == other_admin_unit_id
+            )
+            .filter(EventReferenceRequest.event_id == event_id)
+            .first()
+        )
+        assert reference_request is not None
+        assert (
+            reference_request.review_status == EventReferenceRequestReviewStatus.inbox
+        )
+
+
+def test_admin_unit_reference_requests_incoming(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    seeder.create_incoming_reference_request(admin_unit_id)
+
+    utils.get_endpoint_ok(
+        "manage_admin_unit_reference_requests_incoming", id=admin_unit_id
+    )
+
+
+def test_admin_unit_reference_requests_outgoing(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+
+    other_user_id = seeder.create_user("other@test.de")
+    other_admin_unit_id = seeder.create_admin_unit(other_user_id, "Other Crew")
+    seeder.create_reference_request(event_id, other_admin_unit_id)
+
+    utils.get_endpoint_ok(
+        "manage_admin_unit_reference_requests_outgoing", id=admin_unit_id
+    )
diff --git a/tests/views/test_reference_request_review.py b/tests/views/test_reference_request_review.py
new file mode 100644
index 0000000..4dab7d1
--- /dev/null
+++ b/tests/views/test_reference_request_review.py
@@ -0,0 +1,162 @@
+import pytest
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+@pytest.mark.parametrize("is_verified", [True, False])
+def test_review_verify(client, seeder, utils, app, mocker, db, db_error, is_verified):
+    user_id, admin_unit_id = seeder.setup_base()
+    (
+        other_user_id,
+        other_admin_unit_id,
+        event_id,
+        reference_request_id,
+    ) = seeder.create_incoming_reference_request(admin_unit_id)
+
+    url = utils.get_url("event_reference_request_review", id=reference_request_id)
+
+    if is_verified:
+        with app.app_context():
+            from project.models import (
+                EventReferenceRequest,
+                EventReferenceRequestReviewStatus,
+            )
+
+            reference_request = EventReferenceRequest.query.get(reference_request_id)
+            reference_request.review_status = EventReferenceRequestReviewStatus.verified
+            db.session.commit()
+
+        response = client.get(url)
+        utils.assert_response_redirect(
+            response, "manage_admin_unit_reference_requests_incoming", id=admin_unit_id
+        )
+        return
+
+    response = utils.get_ok(url)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    mail_mock = utils.mock_send_mails(mocker)
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "review_status": 2,
+        },
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_reference_requests_incoming", id=admin_unit_id
+    )
+    utils.assert_send_mail_called(mail_mock, "other@test.de")
+
+    with app.app_context():
+        from project.models import (
+            EventReferenceRequest,
+            EventReferenceRequestReviewStatus,
+            EventReference,
+        )
+
+        reference_request = EventReferenceRequest.query.get(reference_request_id)
+        assert reference_request.verified
+
+        reference = EventReference.query.get(reference_request_id)
+        assert reference.event_id == event_id
+        assert reference.admin_unit_id == admin_unit_id
+
+
+def test_review_reject(client, seeder, utils, app, mocker):
+    user_id, admin_unit_id = seeder.setup_base()
+    (
+        other_user_id,
+        other_admin_unit_id,
+        event_id,
+        reference_request_id,
+    ) = seeder.create_incoming_reference_request(admin_unit_id)
+
+    url = utils.get_url("event_reference_request_review", id=reference_request_id)
+    response = utils.get_ok(url)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "review_status": 3,
+            "rejection_reason": 0,
+        },
+    )
+
+    utils.assert_response_redirect(
+        response, "manage_admin_unit_reference_requests_incoming", id=admin_unit_id
+    )
+
+    with app.app_context():
+        from project.models import (
+            EventReferenceRequest,
+            EventReferenceRequestReviewStatus,
+        )
+
+        reference_request = EventReferenceRequest.query.get(reference_request_id)
+        assert (
+            reference_request.review_status
+            == EventReferenceRequestReviewStatus.rejected
+        )
+        assert reference_request.rejection_reason is None
+
+
+def test_review_status(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    (
+        other_user_id,
+        other_admin_unit_id,
+        event_id,
+        reference_request_id,
+    ) = seeder.create_incoming_reference_request(admin_unit_id)
+
+    url = utils.get_url(
+        "event_reference_request_review_status", id=reference_request_id
+    )
+    utils.get_ok(url)
+
+
+def test_review_status_401_third(client, seeder, utils):
+    seeder.create_user()
+    seeder._utils.login()
+
+    third_user_id = seeder.create_user("third@third.de")
+    third_admin_unit_id = seeder.create_admin_unit(third_user_id, "Third Crew")
+    (
+        other_user_id,
+        other_admin_unit_id,
+        event_id,
+        reference_request_id,
+    ) = seeder.create_incoming_reference_request(third_admin_unit_id)
+
+    url = utils.get_url(
+        "event_reference_request_review_status", id=reference_request_id
+    )
+    response = client.get(url)
+    assert response.status_code == 401
+
+
+def test_review_status_401_unauthorized(client, seeder, utils):
+    seeder.create_user()
+
+    third_user_id = seeder.create_user("third@third.de")
+    third_admin_unit_id = seeder.create_admin_unit(third_user_id, "Third Crew")
+    (
+        other_user_id,
+        other_admin_unit_id,
+        event_id,
+        reference_request_id,
+    ) = seeder.create_incoming_reference_request(third_admin_unit_id)
+
+    url = utils.get_url(
+        "event_reference_request_review_status", id=reference_request_id
+    )
+    response = client.get(url)
+    assert response.status_code == 401
diff --git a/tests/views/test_root.py b/tests/views/test_root.py
new file mode 100644
index 0000000..25377db
--- /dev/null
+++ b/tests/views/test_root.py
@@ -0,0 +1,27 @@
+def test_home(client, seeder, utils):
+    url = utils.get_url("home")
+    utils.get_ok(url)
+
+    url = utils.get_url("home", src="infoscreen")
+    response = client.get(url)
+    utils.assert_response_redirect(response, "home")
+
+
+def test_example(client, seeder, utils):
+    url = utils.get_url("example")
+    utils.get_ok(url)
+
+
+def test_impressum(client, seeder, utils):
+    url = utils.get_url("impressum")
+    utils.get_ok(url)
+
+
+def test_datenschutz(client, seeder, utils):
+    url = utils.get_url("datenschutz")
+    utils.get_ok(url)
+
+
+def test_developer(client, seeder, utils):
+    url = utils.get_url("developer")
+    utils.get_ok(url)
diff --git a/tests/views/test_user.py b/tests/views/test_user.py
new file mode 100644
index 0000000..38ef52e
--- /dev/null
+++ b/tests/views/test_user.py
@@ -0,0 +1,6 @@
+def test_profile(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    seeder.create_event(admin_unit_id)
+
+    url = utils.get_url("profile", id=1)
+    utils.get_ok(url)
diff --git a/tests/views/test_utils.py b/tests/views/test_utils.py
new file mode 100644
index 0000000..d5ee5df
--- /dev/null
+++ b/tests/views/test_utils.py
@@ -0,0 +1,31 @@
+def test_send_mails(client, seeder, app, utils):
+    from project.models import AdminUnitMemberInvitation
+    from project.views.utils import send_mail
+
+    user_id, admin_unit_id = seeder.setup_base()
+    email = "new@member.de"
+    invitation_id = seeder.create_invitation(admin_unit_id, email)
+
+    with app.test_request_context():
+        with app.app_context():
+            from project import mail
+
+            mail.default_sender = None
+            invitation = AdminUnitMemberInvitation.query.get(invitation_id)
+            send_mail(
+                email,
+                "You have received an invitation",
+                "invitation_notice",
+                invitation=invitation,
+            )
+
+
+def test_get_pagination_urls(client, seeder, app, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    for i in range(31):
+        seeder.upsert_event_organizer(admin_unit_id, "Organizer %d" % i)
+
+    utils.get_endpoint_ok(
+        "manage_admin_unit_organizers", id=admin_unit_id, page=2, per_page=10
+    )
diff --git a/tests/views/test_widget.py b/tests/views/test_widget.py
new file mode 100644
index 0000000..4eb4788
--- /dev/null
+++ b/tests/views/test_widget.py
@@ -0,0 +1,186 @@
+import pytest
+
+
+def test_event_dates(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    seeder.create_event(admin_unit_id)
+    au_short_name = "meinecrew"
+
+    url = utils.get_url("widget_event_dates", au_short_name=au_short_name)
+    utils.get_ok(url)
+
+    url = utils.get_url(
+        "widget_event_dates", au_short_name=au_short_name, keyword="name"
+    )
+    utils.get_ok(url)
+
+    url = utils.get_url(
+        "widget_event_dates", au_short_name=au_short_name, category_id=1
+    )
+    utils.get_ok(url)
+
+    url = utils.get_url(
+        "widget_event_dates",
+        au_short_name=au_short_name,
+        coordinate="51.9077888,10.4333312",
+        distance=500,
+    )
+    utils.get_ok(url)
+
+    url = utils.get_url(
+        "widget_event_dates",
+        au_short_name=au_short_name,
+        date_from="2020-10-03",
+        date_to="2021-10-03",
+    )
+    utils.get_ok(url)
+
+
+def test_event_date(client, seeder, utils, app, db):
+    user_id, admin_unit_id = seeder.setup_base()
+    event_id = seeder.create_event(admin_unit_id)
+    au_short_name = "meinecrew"
+
+    with app.app_context():
+        from project.models import AdminUnit
+        from colour import Color
+
+        admin_unit = AdminUnit.query.get(admin_unit_id)
+        admin_unit.widget_font = "Arial"
+        admin_unit.widget_background_color = Color("#F5F5F5")
+        admin_unit.widget_primary_color = Color("#000000")
+        admin_unit.widget_link_color = Color("#FF0000")
+        db.session.commit()
+
+    url = utils.get_url("widget_event_date", au_short_name=au_short_name, id=event_id)
+    utils.get_ok(url)
+
+
+def test_infoscreen(client, seeder, utils):
+    user_id, admin_unit_id = seeder.setup_base()
+    seeder.create_event(admin_unit_id)
+    au_short_name = "meinecrew"
+
+    url = utils.get_url("widget_infoscreen", au_short_name=au_short_name)
+    utils.get_ok(url)
+
+    organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
+    url = utils.get_url(
+        "widget_infoscreen", au_short_name=au_short_name, organizer_id=organizer_id
+    )
+    utils.get_ok(url)
+
+
+def get_create_data():
+    return {
+        "accept_tos": "y",
+        "name": "Vorschlag",
+        "start": ["2030-12-31", "23", "59"],
+        "contact_name": "Vorname Nachname",
+        "contact_email": "vorname@nachname.de",
+        "contact_email_notice": "y",
+        "event_place_id": "Freitext Ort",
+        "organizer_id": "Freitext Organisator",
+    }
+
+
+@pytest.mark.parametrize("db_error", [True, False])
+@pytest.mark.parametrize("free_text", [True, False])
+def test_event_suggestion_create_for_admin_unit(
+    client, app, seeder, utils, mocker, db_error, free_text
+):
+    user_id = seeder.create_user()
+    admin_unit_id = seeder.create_admin_unit(user_id, "Meine Crew")
+    au_short_name = "meinecrew"
+
+    url = utils.get_url(
+        "event_suggestion_create_for_admin_unit", au_short_name=au_short_name
+    )
+    response = utils.get_ok(url)
+
+    data = get_create_data()
+    if not free_text:
+        data["event_place_id"] = seeder.upsert_default_event_place(admin_unit_id)
+        data["organizer_id"] = seeder.upsert_default_event_organizer(admin_unit_id)
+
+    if db_error:
+        utils.mock_db_commit(mocker)
+
+    mail_mock = utils.mock_send_mails(mocker)
+
+    response = utils.post_form(
+        url,
+        response,
+        data,
+    )
+
+    if db_error:
+        utils.assert_response_db_error(response)
+        return
+
+    with app.app_context():
+        from project.models import (
+            EventSuggestion,
+            EventReviewStatus,
+        )
+
+        suggestion = (
+            EventSuggestion.query.filter(EventSuggestion.admin_unit_id == admin_unit_id)
+            .filter(EventSuggestion.name == "Vorschlag")
+            .first()
+        )
+        assert suggestion is not None
+        assert suggestion.review_status == EventReviewStatus.inbox
+        suggestion_id = suggestion.id
+
+    utils.assert_response_redirect(
+        response, "event_suggestion_review_status", event_suggestion_id=suggestion_id
+    )
+    utils.assert_send_mail_called(mail_mock, "test@test.de")
+
+
+def test_event_suggestion_create_for_admin_unit_emptyFreeText(
+    client, app, seeder, utils, mocker
+):
+    user_id = seeder.create_user()
+    seeder.create_admin_unit(user_id, "Meine Crew")
+    au_short_name = "meinecrew"
+
+    url = utils.get_url(
+        "event_suggestion_create_for_admin_unit", au_short_name=au_short_name
+    )
+    response = utils.get_ok(url)
+
+    data = get_create_data()
+    data["event_place_id"] = " "
+    data["organizer_id"] = " "
+
+    response = utils.post_form(
+        url,
+        response,
+        data,
+    )
+    utils.assert_response_error_message(response)
+
+
+def test_event_suggestion_create_for_admin_unit_invalidEventPlaceId(
+    client, app, seeder, utils, mocker
+):
+    user_id = seeder.create_user()
+    seeder.create_admin_unit(user_id, "Meine Crew")
+    au_short_name = "meinecrew"
+
+    url = utils.get_url(
+        "event_suggestion_create_for_admin_unit", au_short_name=au_short_name
+    )
+    response = utils.get_ok(url)
+
+    data = get_create_data()
+    data["event_place_id"] = "\u00B2"  # unicode for ²
+
+    response = utils.post_form(
+        url,
+        response,
+        data,
+    )
+    assert response.status_code == 302