test: Adding unit tests

tests/utils/news_mongo_service_test.py

@@ -0,0 +1,44 @@
+from unittest.mock import Mock
+
+import pytest
+
+from aki_prj23_transparenzregister.utils.news_mongo_service import MongoNewsService
+
+
+@pytest.fixture()
+def mock_mongo_connector(mocker) -> Mock:
+    """Mock MongoConnector class.
+
+    Args:
+        mocker (any): Library mocker
+
+    Returns:
+        Mock: Mocked MongoConnector
+    """
+    mock = Mock()
+    mocker.patch(
+        "aki_prj23_transparenzregister.utils.mongo.MongoConnector", return_value=mock
+    )
+    return mock
+
+
+@pytest.fixture()
+def mock_collection() -> Mock:
+    """Mock mongo collection.
+
+    Returns:
+        Mock: Mock object
+    """
+    return Mock()
+
+
+def test_init(mock_mongo_connector, mock_collection):
+    """Test CompanyMongoService constructor.
+
+    Args:
+        mock_mongo_connector (Mock): Mocked MongoConnector library
+        mock_collection (Mock): Mocked pymongo collection
+    """
+    mock_mongo_connector.database = {"news": mock_collection}
+    service = MongoNewsService(mock_mongo_connector)
+    assert service.collection == mock_collection