[EPIC] Audio metadata update - UI / API

api/tests/common/test_models.py

@@ -0,0 +1,17 @@
+import pytest
+
+from django.urls import reverse
+
+from funkwhale_api.federation import utils as federation_utils
+
+
+@pytest.mark.parametrize(
+    "model,factory_args,namespace",
+    [("common.Mutation", {"created_by__local": True}, "federation:edits-detail")],
+)
+def test_mutation_fid_is_populated(factories, model, factory_args, namespace):
+    instance = factories[model](**factory_args, fid=None, payload={})
+
+    assert instance.fid == federation_utils.full_url(
+        reverse(namespace, kwargs={"uuid": instance.uuid})
+    )