test: add concrete TestContainer model

Author: bradenmacdonald

src/openedx_content/applets/publishing/models/container.py

@@ -54,6 +54,7 @@ class Container(PublishableEntityMixin):
     we will also add support for dynamic containers which may contain different
     entities for different learners or at different times.
     """
+
     CONTAINER_TYPE: str = ""  # Subclasses need to override this.
 
     # The type of the container. Cannot be changed once the container is created.

test_settings.py

@@ -59,6 +59,8 @@ def root(*args):
     "openedx_content",
     "openedx_catalog",
     *openedx_content_backcompat_apps_to_install(),
+    # Apps with models that are only used for testing
+    "tests.test_django_app",
 ]
 
 AUTHENTICATION_BACKENDS = [
@@ -97,3 +99,27 @@ def root(*args):
 }
 
 STATIC_URL = 'static/'
+
+# Required for Django admin which is required because it's referenced by projects.urls (ROOT_URLCONF)
+TEMPLATES = [
+    {
+        'NAME': 'django',
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        # Don't look for template source files inside installed applications.
+        # 'APP_DIRS': False,
+        # Instead, look for template source files in these dirs.
+        # 'DIRS': [],
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.request',
+                'django.contrib.messages.context_processors.messages',
+                'django.contrib.auth.context_processors.auth',
+            ],
+        }
+    },
+]
+MIDDLEWARE = [
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+]

tests/openedx_content/applets/publishing/test_api.py

@@ -27,6 +27,16 @@
 User = get_user_model()
 
 
+class TestContainer(Container):
+    """
+    A fake subclass of Container used for test purposes.
+    """
+    CONTAINER_TYPE = "fake_test"
+
+    class Meta:
+        app_label = "openedx_content"
+
+
 class LearningPackageTestCase(TestCase):
     """
     Test creating a LearningPackage
@@ -1068,6 +1078,7 @@ def test_bulk_parent_child_side_effects(self) -> None:
                 "my_container",
                 created=self.now,
                 created_by=None,
+                container_cls=TestContainer,
             )
             container_v1: ContainerVersion = publishing_api.create_container_version(
                 container.pk,

tests/test_django_app/__init__.py

@@ -0,0 +1,14 @@
+"""
+Test Django app config
+"""
+
+from django.apps import AppConfig
+
+
+class TestAppConfig(AppConfig):
+    """
+    Configuration for the test Django application.
+    """
+
+    name = "tests.test_django_app"
+    label = "test_django_app"

tests/test_django_app/apps.py

@@ -0,0 +1,16 @@
+"""
+Models that are only for use in tests
+"""
+
+from openedx_content.applets.publishing.models import Container
+
+
+class TestContainer(Container):
+    """
+    A fake subclass of Container used for test purposes.
+    """
+
+    CONTAINER_TYPE = "fake_test"
+
+    class Meta:
+        app_label = "openedx_content"