test(backend): add coverage for services tasks and apis

apps/clients/tests/test_services.py

@@ -0,0 +1,67 @@
+from django.test import TestCase
+from rest_framework.exceptions import ValidationError
+
+from apps.clients.models import Client
+from apps.clients.services.clients import create_client, update_client
+from apps.users.models import User
+from apps.workspaces.models import Workspace, WorkspaceMembership
+
+
+class ClientServiceTests(TestCase):
+    @classmethod
+    def setUpTestData(cls):
+        cls.owner = User.objects.create_user(mobile="09120000001", password="secret123")
+        cls.member = User.objects.create_user(mobile="09120000002", password="secret123")
+        cls.outsider = User.objects.create_user(mobile="09120000003", password="secret123")
+        cls.workspace = Workspace.objects.create(name="Clients", owner=cls.owner)
+        WorkspaceMembership.objects.create(
+            workspace=cls.workspace,
+            user=cls.member,
+            role=WorkspaceMembership.Role.MEMBER,
+            is_active=True,
+        )
+
+    def test_create_client_creates_record_for_workspace_member(self):
+        client = create_client(
+            self.member,
+            self.workspace.id,
+            "Acme",
+            notes="Priority account",
+        )
+
+        self.assertEqual(client.name, "Acme")
+        self.assertEqual(client.notes, "Priority account")
+        self.assertEqual(client.workspace, self.workspace)
+        self.assertEqual(client.created_by, self.member)
+
+    def test_create_client_rejects_non_member(self):
+        with self.assertRaises(ValidationError) as exc:
+            create_client(self.outsider, self.workspace.id, "Acme")
+
+        self.assertIn("workspace", exc.exception.detail)
+
+    def test_create_client_rejects_duplicate_name_in_workspace(self):
+        Client.objects.create(workspace=self.workspace, name="Acme")
+
+        with self.assertRaises(ValidationError) as exc:
+            create_client(self.owner, self.workspace.id, "Acme")
+
+        self.assertIn("name", exc.exception.detail)
+
+    def test_update_client_updates_name_and_notes(self):
+        client = Client.objects.create(workspace=self.workspace, name="Acme", notes="Old")
+
+        updated = update_client(client, name="Globex", notes="New")
+
+        self.assertEqual(updated.name, "Globex")
+        self.assertEqual(updated.notes, "New")
+
+    def test_update_client_rejects_duplicate_new_name(self):
+        Client.objects.create(workspace=self.workspace, name="Globex")
+        client = Client.objects.create(workspace=self.workspace, name="Acme")
+
+        with self.assertRaises(ValidationError) as exc:
+            update_client(client, name="Globex")
+
+        self.assertIn("name", exc.exception.detail)
+