test(backend): convert existing app suites to unittest

apps/time_entries/tests/test_serializers.py

@@ -1,59 +1,66 @@
 from datetime import datetime
 
+from django.test import TestCase
 from django.utils import timezone
 
-from apps.time_entries.api.serializers import TimeEntrySerializer
-from apps.time_entries.models import TimeEntry
 from apps.projects.models import Project
 from apps.tags.models import Tag
+from apps.time_entries.api.serializers import TimeEntrySerializer
+from apps.time_entries.models import TimeEntry
 from apps.users.models import User
 from apps.workspaces.models import Workspace
 
 
-def test_time_entry_serializer_keeps_seconds(db):
-    user = User.objects.create_user(mobile="09123333333", password="secret123")
-    workspace = Workspace.objects.create(name="Core", owner=user)
-    current_timezone = timezone.get_current_timezone()
+class TimeEntrySerializerTests(TestCase):
+    def test_time_entry_serializer_keeps_seconds(self):
+        user = User.objects.create_user(mobile="09123333333", password="secret123")
+        workspace = Workspace.objects.create(name="Core", owner=user)
+        current_timezone = timezone.get_current_timezone()
 
-    start_time = timezone.make_aware(datetime(2026, 4, 23, 10, 15, 42), current_timezone)
-    end_time = timezone.make_aware(datetime(2026, 4, 23, 11, 0, 5), current_timezone)
+        start_time = timezone.make_aware(
+            datetime(2026, 4, 23, 10, 15, 42),
+            current_timezone,
+        )
+        end_time = timezone.make_aware(
+            datetime(2026, 4, 23, 11, 0, 5),
+            current_timezone,
+        )
 
-    entry = TimeEntry.objects.create(
-        workspace=workspace,
-        user=user,
-        start_time=start_time,
-        end_time=end_time,
-    )
+        entry = TimeEntry.objects.create(
+            workspace=workspace,
+            user=user,
+            start_time=start_time,
+            end_time=end_time,
+        )
 
-    data = TimeEntrySerializer(entry).data
+        data = TimeEntrySerializer(entry).data
 
-    assert data["start_time"] == start_time.strftime("%Y-%m-%d %H:%M:%S")
-    assert data["end_time"] == end_time.strftime("%Y-%m-%d %H:%M:%S")
+        self.assertEqual(data["start_time"], start_time.strftime("%Y-%m-%d %H:%M:%S"))
+        self.assertEqual(data["end_time"], end_time.strftime("%Y-%m-%d %H:%M:%S"))
 
+    def test_time_entry_serializer_includes_deleted_project_and_tags(self):
+        user = User.objects.create_user(mobile="09124444444", password="secret123")
+        workspace = Workspace.objects.create(name="Core", owner=user)
+        project = Project.objects.create(workspace=workspace, name="Legacy Project")
+        tag = Tag.objects.create(workspace=workspace, name="Legacy Tag", color="#334155")
+        project.delete()
+        tag.delete()
 
-def test_time_entry_serializer_includes_deleted_project_and_tags(db):
-    user = User.objects.create_user(mobile="09124444444", password="secret123")
-    workspace = Workspace.objects.create(name="Core", owner=user)
-    project = Project.objects.create(workspace=workspace, name="Legacy Project")
-    tag = Tag.objects.create(workspace=workspace, name="Legacy Tag", color="#334155")
-    project.delete()
-    tag.delete()
+        entry = TimeEntry.objects.create(
+            workspace=workspace,
+            user=user,
+            project=Project.all_objects.get(id=project.id),
+            description="Historical work",
+            start_time=timezone.now(),
+            end_time=timezone.now(),
+        )
+        entry.tags.set([Tag.all_objects.get(id=tag.id)])
 
-    entry = TimeEntry.objects.create(
-        workspace=workspace,
-        user=user,
-        project=Project.all_objects.get(id=project.id),
-        description="Historical work",
-        start_time=timezone.now(),
-        end_time=timezone.now(),
-    )
-    entry.tags.set([Tag.all_objects.get(id=tag.id)])
+        data = TimeEntrySerializer(entry).data
 
-    data = TimeEntrySerializer(entry).data
-
-    assert data["project"] == str(project.id)
-    assert data["project_details"]["name"] == "Legacy Project"
-    assert data["project_details"]["is_deleted"] is True
-    assert data["tags"] == [str(tag.id)]
-    assert data["tag_details"][0]["name"] == "Legacy Tag"
-    assert data["tag_details"][0]["is_deleted"] is True
+        self.assertEqual(data["project"], str(project.id))
+        self.assertEqual(data["project_details"]["name"], "Legacy Project")
+        self.assertTrue(data["project_details"]["is_deleted"])
+        self.assertEqual(data["tags"], [str(tag.id)])
+        self.assertEqual(data["tag_details"][0]["name"], "Legacy Tag")
+        self.assertTrue(data["tag_details"][0]["is_deleted"])