test(backends): exception when deleting outside localbackend dir

tests/conftest.py

@@ -73,12 +73,20 @@ def client_minio() -> FlaskClient:
 
 
 @pytest.fixture
-def client_local() -> FlaskClient:
+def local_volume():
     local_test_volume = (pathlib.Path(__file__).parent / "data").absolute()
     local_test_volume.mkdir(parents=True, exist_ok=True)
 
+    yield local_test_volume
+
+    # clear test volume
+    shutil.rmtree(local_test_volume)
+
+
+@pytest.fixture
+def client_local(local_volume: pathlib.Path) -> FlaskClient:
     os.environ["BENTO_AUTHZ_SERVICE_URL"] = AUTHZ_URL
-    os.environ["DATA"] = str(local_test_volume)
+    os.environ["DATA"] = str(local_volume)
 
     from chord_drs.app import application, db
 
@@ -93,9 +101,6 @@ def client_local() -> FlaskClient:
         db.session.remove()
         db.drop_all()
 
-        # clear test volume
-        shutil.rmtree(local_test_volume)
-
 
 @pytest.fixture(params=[lazy_fixture("client_minio"), lazy_fixture("client_local")])
 def client(request) -> FlaskClient:

tests/test_backends.py

@@ -0,0 +1,24 @@
+import pathlib
+import pytest
+
+from chord_drs.backends.local import LocalBackend
+
+
+def test_local_backend(local_volume):
+    backend = LocalBackend({"SERVICE_DATA": str(local_volume)})
+
+    file_to_ingest = pathlib.Path(__file__).parent / "dummy_file.txt"
+
+    backend.save(file_to_ingest, "dummy_file.txt")
+    assert (local_volume / "dummy_file.txt").exists()
+
+    backend.delete(local_volume / "dummy_file.txt")
+    assert not (local_volume / "dummy_file.txt").exists()
+
+
+def test_local_backend_raises(local_volume):
+    backend = LocalBackend({"SERVICE_DATA": str(local_volume)})
+
+    with pytest.raises(ValueError):
+        # before we can even figure out file does not exist, this is not a local volume subpath:
+        backend.delete("/tmp/does_not_exist.txt")