added explicit check for necessary env vars

shared/repositories/tests/integration/conftest.py

@@ -37,10 +37,12 @@ if test_env_path.exists():
     load_dotenv(test_env_path.as_posix())
 
 # define test environment variables
-assert 'MINIO_ENDPOINT' in os.environ, 'MINIO_ENDPOINT not set'
+necessary_env_vars = {
-assert 'MINIO_ACCESS_KEY' in os.environ, 'MINIO_ACCESS_KEY not set'
+    'MINIO_ENDPOINT',
-assert 'MINIO_SECRET_KEY' in os.environ, 'MINIO_SECRET_KEY not set'
+    'MINIO_ACCESS_KEY',
-assert 'MONGO_ENDPOINT' in os.environ, 'MONGO_ENDPOINT not set'
+    'MINIO_SECRET_KEY',
+    'MONGO_ENDPOINT',
+}
 env_var_map = {
     'MINIO_BUCKET_NAME': 'test-bucket',
     'MINIO_OBJECT_NAME': 'test-object',
@@ -51,15 +53,15 @@ env_var_map = {
 
 
 @pytest.fixture(scope='session', autouse=True)
-def populate_env(
+def setup_env(
     request: pytest.FixtureRequest,
 ) -> None:
     """Populate environment with variables used for testing."""
-    # update env
+    # check if necessary env vars are set
+    for key in necessary_env_vars:
+        assert key in os.environ, f'{key} not set'
+    # set testing env vars
     for key, val in env_var_map.items():
-        # skip if already set by CI pipeline
-        if key in os.environ:
-            continue
         # set env var
         os.environ[key] = val
 
@@ -73,7 +75,7 @@ def populate_env(
 
 @pytest.fixture(scope='session')
 def raw_minio_client(
-    populate_env,
+    setup_env,
 ) -> Iterator[minio.Minio]:
     """Raw Minio client fixture."""
     # prepare arguments
@@ -105,7 +107,7 @@ def raw_minio_client(
 
 @pytest.fixture
 def minio_client(
-    populate_env,
+    setup_env,
 ) -> Iterator[MinioImplementation]:
     """MinioImplementation fixture."""
     # instantiate and connect client
@@ -206,7 +208,7 @@ def image_data_in_minio(
 
 @pytest.fixture(scope='session')
 def image_repo(
-    populate_env,
+    setup_env,
 ) -> Iterator[ImageRepository]:
     """Image repository fixture."""
     # define test environment variables
@@ -271,7 +273,7 @@ def model_data_in_minio(
 
 @pytest.fixture(scope='session')
 def model_repo(
-    populate_env,
+    setup_env,
 ) -> Iterator[ModelRepository]:
     """Model repository fixture."""
     repo = ModelRepository()
@@ -282,7 +284,7 @@ def model_repo(
 
 @pytest.fixture
 def raw_mongo_client(
-    populate_env,
+    setup_env,
 ) -> Iterator[MongoClient]:
     """Raw mongo client fixture."""
     # prepare arguments
@@ -299,7 +301,7 @@ def raw_mongo_client(
 
 @pytest.fixture
 def mongo_client(
-    populate_env,
+    setup_env,
 ) -> Iterator[MongoImplementation]:
     """MongoImplementation fixture."""
     # instantiate and connect client
@@ -394,7 +396,7 @@ def visual_communication_data_in_mongo(
 
 @pytest.fixture(scope='session')
 def visual_communication_repo(
-    populate_env,
+    setup_env,
 ) -> Iterator[VisualCommunicationRepository]:
     """Visual communication repository fixture."""
     repo = VisualCommunicationRepository()