refactor(util/tufmetadata/test): move app test to gc suite

data/model/test/test_gc.py

@@ -613,3 +613,10 @@ def test_images_shared_cas_with_new_blob_table(default_tag_policy, initialized_d
 
     # Ensure the CAS path still exists, as it is referenced by the Blob table
     assert storage.exists({preferred}, storage.blob_path(digest))
+
+
+def test_purge_repo(app):
+  """ Test that app registers delete_metadata function on repository deletions """
+  with patch('app.tuf_metadata_api') as mock_tuf:
+    model.repository.purge_repository("ns", "repo")
+    assert mock_tuf.delete_metadata.called_with("ns", "repo")

util/tufmetadata/test/test_tufmetadata.py

@@ -6,8 +6,7 @@ from flask import Flask
 
 from test import testconfig
 from test.fixtures import init_db_path
-from util.tufmetadata import api 
+from util.tufmetadata import api
-from data import model
 
 
 valid_response = {
@@ -247,12 +246,3 @@ def test_delete_metadata_exception(response_code, exception):
     tuf_api = api.TUFMetadataAPI(app, app.config, client=client)
     response = tuf_api.delete_metadata('quay', 'quay')
     assert response == False
-
-
-def test_purge_repo(init_db_path):
-  app = Flask(__name__)
-  app.config.from_object(testconfig.TestConfig())
-  app.config["DB_URI"] = init_db_path
-  with patch('app.tuf_metadata_api') as mock_tuf:
-    model.repository.purge_repository("ns", "repo")
-    assert mock_tuf.delete_metadata.called_with("ns", "repo")