test(time-entries): cover grouped filters and serializer formatting

apps/time_entries/tests/test_services.py

@@ -0,0 +1,47 @@
+from datetime import timedelta
+
+import pytest
+from django.utils import timezone
+from rest_framework.exceptions import ValidationError
+
+from apps.time_entries.services.time_entries import create_time_entry, stop_time_entry
+from apps.users.models import User
+from apps.workspaces.models import Workspace
+
+
+@pytest.fixture
+def workspace_owner(db):
+    user = User.objects.create_user(mobile="09121111111", password="secret123")
+    workspace = Workspace.objects.create(name="Core", owner=user)
+    return user, workspace
+
+
+def test_create_time_entry_allows_only_one_running_timer_per_workspace(workspace_owner):
+    user, workspace = workspace_owner
+
+    create_time_entry(
+        user=user,
+        workspace_id=workspace.id,
+        start_time=timezone.now(),
+    )
+
+    with pytest.raises(ValidationError):
+        create_time_entry(
+            user=user,
+            workspace_id=workspace.id,
+            start_time=timezone.now() + timedelta(minutes=5),
+        )
+
+
+def test_stop_time_entry_sets_end_time_and_duration(workspace_owner):
+    user, workspace = workspace_owner
+    entry = create_time_entry(
+        user=user,
+        workspace_id=workspace.id,
+        start_time=timezone.now() - timedelta(hours=1),
+    )
+
+    stopped_entry = stop_time_entry(entry, end_time=timezone.now())
+
+    assert stopped_entry.end_time is not None
+    assert stopped_entry.duration is not None