Unit test user app

* adds unit test for User model and forms
* refactors functions from user_checks.py into User class and drops user_checks.py

user/tests/unit/test_models.py

@@ -0,0 +1,61 @@
+"""
+Author: Michel Peltriaux
+Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
+Contact: ksp-servicestelle@sgdnord.rlp.de
+Created on: 13.09.23
+
+"""
+from konova.settings import ZB_GROUP, DEFAULT_GROUP, ETS_GROUP
+from konova.tests.test_views import BaseTestCase
+from user.enums import UserNotificationEnum
+from user.models import UserNotification
+
+
+class UserTestCase(BaseTestCase):
+    def test_is_notification_setting_set(self):
+        notification = UserNotification.objects.create(
+            id=UserNotificationEnum.NOTIFY_ON_DEDUCTION_CHANGES.name,
+            name=UserNotificationEnum.NOTIFY_ON_DEDUCTION_CHANGES.value,
+        )
+        self.assertFalse(self.user.is_notification_setting_set(UserNotificationEnum.NOTIFY_ON_DEDUCTION_CHANGES))
+        self.user.notifications.add(notification)
+        self.assertTrue(self.user.is_notification_setting_set(UserNotificationEnum.NOTIFY_ON_DEDUCTION_CHANGES))
+
+    def test_is_group_member(self):
+        zb_group = self.groups.get(name=ZB_GROUP)
+        ets_group = self.groups.get(name=ETS_GROUP)
+        default_group = self.groups.get(name=DEFAULT_GROUP)
+
+        self.user.groups.set([])
+        self.assertFalse(self.user.is_zb_user())
+        self.assertFalse(self.user.is_ets_user())
+        self.assertFalse(self.user.is_default_user())
+
+        self.user.groups.add(zb_group)
+        self.assertTrue(self.user.is_zb_user())
+
+        self.user.groups.add(ets_group)
+        self.assertTrue(self.user.is_ets_user())
+
+        self.user.groups.add(default_group)
+        self.assertTrue(self.user.is_default_user())
+
+    def test_get_API_token(self):
+        self.assertIsNone(self.user.api_token)
+        token = self.user.get_API_token()
+        self.assertIsNotNone(self.user.api_token)
+        self.assertEqual(self.user.api_token, token)
+
+        # Make sure the same token is returned if command is called twice
+        token = self.user.get_API_token()
+        self.assertEqual(self.user.api_token, token)
+
+    def test_shared_teams_property(self):
+        shared_teams = self.user.shared_teams
+        self.assertEqual(shared_teams.count(), 0)
+
+        self.team.users.add(self.user)
+        shared_teams = self.user.shared_teams
+        self.assertEqual(shared_teams.count(), 1)
+        self.assertIn(self.team, shared_teams)
+