diff --git a/test/test_extractor.py b/test/test_extractor.py
index e163b936..8afa6e3f 100644
--- a/test/test_extractor.py
+++ b/test/test_extractor.py
@@ -234,5 +234,52 @@ class TestExtractorWait(unittest.TestCase):
         return int(parts[0]) * 3600 + int(parts[1]) * 60 + int(parts[2])
 
 
+class TextExtractorOAuth(unittest.TestCase):
+
+    def test_oauth1(self):
+        for category in ("flickr", "smugmug", "tumblr"):
+            extr = extractor.find("oauth:" + category)
+
+            with patch.object(extr, "_oauth1_authorization_flow") as m:
+                for msg in extr:
+                    pass
+                self.assertEqual(len(m.mock_calls), 1)
+
+    def test_oauth2(self):
+        for category in ("deviantart", "reddit"):
+            extr = extractor.find("oauth:" + category)
+
+            with patch.object(extr, "_oauth2_authorization_code_grant") as m:
+                for msg in extr:
+                    pass
+                self.assertEqual(len(m.mock_calls), 1)
+
+    def test_oauth2_mastodon(self):
+        extr = extractor.find("oauth:mastodon:pawoo.net")
+
+        with patch.object(extr, "_oauth2_authorization_code_grant") as m, \
+                patch.object(extr, "_register") as r:
+            for msg in extr:
+                pass
+            self.assertEqual(len(r.mock_calls), 0)
+            self.assertEqual(len(m.mock_calls), 1)
+
+    def test_oauth2_mastodon_unknown(self):
+        extr = extractor.find("oauth:mastodon:example.com")
+
+        with patch.object(extr, "_oauth2_authorization_code_grant") as m, \
+                patch.object(extr, "_register") as r:
+            r.return_value = {
+                "client-id"    : "foo",
+                "client-secret": "bar",
+            }
+
+            for msg in extr:
+                pass
+
+            self.assertEqual(len(r.mock_calls), 1)
+            self.assertEqual(len(m.mock_calls), 1)
+
+
 if __name__ == "__main__":
     unittest.main()