test: Add initial unit serializer test suite

ref: #807 #730

app/api/tests/unit/test_unit_serializer.py

@@ -0,0 +1,53 @@
+import datetime
+import pytest
+
+from centurion.tests.abstract.mock_view import MockView
+
+
+@pytest.mark.api
+@pytest.mark.serializer
+@pytest.mark.unit
+class SerializerTestCases:
+
+    @pytest.fixture( scope = 'class', autouse = True)
+    def request_user(self, django_db_blocker, model_user):
+
+        with django_db_blocker.unblock():
+
+            random_str = str(datetime.datetime.now(tz=datetime.timezone.utc))
+            random_str = str(random_str).replace(
+                ' ', '').replace(':', '').replace('+', '').replace('.', '').replace('-', '')
+
+            user = model_user.objects.create(
+                username = 'ru_' + random_str,
+                password = 'password',
+            )
+
+        yield user
+
+        with django_db_blocker.unblock():
+
+            user.delete()
+
+
+    def test_serializer_create(self, kwargs_api_create, model, model_serializer, request_user):
+        """ Serializer Check
+
+        Confirm that using valid data the object validates without exceptions.
+        """
+
+        mock_view = MockView(
+            user = request_user,
+            model = model,
+            action = 'create',
+        )
+
+        serializer = model_serializer['model'](
+            context = {
+                'request': mock_view.request,
+                'view': mock_view,
+            },
+            data = kwargs_api_create
+        )
+
+        assert serializer.is_valid(raise_exception = True)