diff --git a/tests/rest/media/v1/test_oembed.py b/tests/rest/media/v1/test_oembed.py
new file mode 100644
index 0000000000..048d0ca44a
--- /dev/null
+++ b/tests/rest/media/v1/test_oembed.py
@@ -0,0 +1,51 @@
+# Copyright 2021 The Matrix.org Foundation C.I.C.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import json
+
+from twisted.test.proto_helpers import MemoryReactor
+
+from synapse.rest.media.v1.oembed import OEmbedProvider
+from synapse.server import HomeServer
+from synapse.types import JsonDict
+from synapse.util import Clock
+
+from tests.unittest import HomeserverTestCase
+
+
+class OEmbedTests(HomeserverTestCase):
+ def prepare(self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer):
+ self.oembed = OEmbedProvider(homeserver)
+
+ def parse_response(self, response: JsonDict):
+ return self.oembed.parse_oembed_response(
+ "https://test", json.dumps(response).encode("utf-8")
+ )
+
+ def test_version(self):
+ """Accept versions that are similar to 1.0 as a string or int (or missing)."""
+ for version in ("1.0", 1.0, 1):
+ result = self.parse_response({"version": version, "type": "link"})
+ # An empty Open Graph response is an error, ensure the URL is included.
+ self.assertIn("og:url", result.open_graph_result)
+
+ # A missing version should be treated as 1.0.
+ result = self.parse_response({"type": "link"})
+ self.assertIn("og:url", result.open_graph_result)
+
+ # Invalid versions should be rejected.
+ for version in ("2.0", "1", 1.1, 0, None, {}, []):
+ result = self.parse_response({"version": version, "type": "link"})
+ # An empty Open Graph response is an error, ensure the URL is included.
+ self.assertEqual({}, result.open_graph_result)
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