Upgraded celery to 4.1, added endpoint logic for fingerprinting audio files

api/tests/test_tasks.py

@@ -0,0 +1,33 @@
+import pytest
+
+from funkwhale_api.taskapp import celery
+
+
+class Dummy:
+    @staticmethod
+    def noop(instance):
+        pass
+
+
+def test_require_instance_decorator(factories, mocker):
+    user = factories['users.User']()
+
+    @celery.require_instance(user.__class__, 'user')
+    def t(user):
+        Dummy.noop(user)
+
+    m = mocker.patch.object(Dummy, 'noop')
+    t(user_id=user.pk)
+
+    m.assert_called_once_with(user)
+
+
+def test_require_instance_decorator_accepts_qs(factories, mocker):
+    user = factories['users.User'](is_active=False)
+    qs = user.__class__.objects.filter(is_active=True)
+
+    @celery.require_instance(qs, 'user')
+    def t(user):
+        pass
+    with pytest.raises(user.__class__.DoesNotExist):
+        t(user_id=user.pk)