153 lines
6.2 KiB
Python
153 lines
6.2 KiB
Python
# Copyright 2021 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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from parameterized import parameterized
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.rest.media.v1.oembed import OEmbedProvider, OEmbedResult
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from synapse.server import HomeServer
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from synapse.types import JsonDict
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from synapse.util import Clock
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from tests.unittest import HomeserverTestCase
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try:
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import lxml
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except ImportError:
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lxml = None
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class OEmbedTests(HomeserverTestCase):
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if not lxml:
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skip = "url preview feature requires lxml"
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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self.oembed = OEmbedProvider(hs)
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def parse_response(self, response: JsonDict) -> OEmbedResult:
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return self.oembed.parse_oembed_response(
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"https://test", json.dumps(response).encode("utf-8")
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)
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def test_version(self) -> None:
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"""Accept versions that are similar to 1.0 as a string or int (or missing)."""
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for version in ("1.0", 1.0, 1):
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result = self.parse_response({"version": version})
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# An empty Open Graph response is an error, ensure the URL is included.
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self.assertIn("og:url", result.open_graph_result)
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# A missing version should be treated as 1.0.
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result = self.parse_response({"type": "link"})
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self.assertIn("og:url", result.open_graph_result)
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# Invalid versions should be rejected.
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for version in ("2.0", "1", 1.1, 0, None, {}, []):
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result = self.parse_response({"version": version, "type": "link"})
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# An empty Open Graph response is an error, ensure the URL is included.
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self.assertEqual({}, result.open_graph_result)
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def test_cache_age(self) -> None:
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"""Ensure a cache-age is parsed properly."""
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# Correct-ish cache ages are allowed.
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for cache_age in ("1", 1.0, 1):
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result = self.parse_response({"cache_age": cache_age})
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self.assertEqual(result.cache_age, 1000)
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# Invalid cache ages are ignored.
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for cache_age in ("invalid", {}):
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result = self.parse_response({"cache_age": cache_age})
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self.assertIsNone(result.cache_age)
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# Cache age is optional.
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result = self.parse_response({})
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self.assertIsNone(result.cache_age)
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@parameterized.expand(
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[
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("title", "title"),
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("provider_name", "site_name"),
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("thumbnail_url", "image"),
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],
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name_func=lambda func, num, p: f"{func.__name__}_{p.args[0]}",
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)
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def test_property(self, oembed_property: str, open_graph_property: str) -> None:
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"""Test properties which must be strings."""
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result = self.parse_response({oembed_property: "test"})
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self.assertIn(f"og:{open_graph_property}", result.open_graph_result)
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self.assertEqual(result.open_graph_result[f"og:{open_graph_property}"], "test")
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result = self.parse_response({oembed_property: 1})
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self.assertNotIn(f"og:{open_graph_property}", result.open_graph_result)
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def test_author_name(self) -> None:
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"""Test the author_name property."""
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result = self.parse_response({"author_name": "test"})
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self.assertEqual(result.author_name, "test")
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result = self.parse_response({"author_name": 1})
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self.assertIsNone(result.author_name)
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def test_rich(self) -> None:
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"""Test a type of rich."""
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result = self.parse_response({"html": "test<img src='foo'>", "type": "rich"})
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self.assertIn("og:description", result.open_graph_result)
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self.assertIn("og:image", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:description"], "test")
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self.assertEqual(result.open_graph_result["og:image"], "foo")
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result = self.parse_response({"type": "rich"})
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self.assertNotIn("og:description", result.open_graph_result)
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result = self.parse_response({"html": 1, "type": "rich"})
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self.assertNotIn("og:description", result.open_graph_result)
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def test_photo(self) -> None:
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"""Test a type of photo."""
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result = self.parse_response({"url": "test", "type": "photo"})
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self.assertIn("og:image", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:image"], "test")
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result = self.parse_response({"type": "photo"})
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self.assertNotIn("og:image", result.open_graph_result)
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result = self.parse_response({"url": 1, "type": "photo"})
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self.assertNotIn("og:image", result.open_graph_result)
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def test_video(self) -> None:
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"""Test a type of video."""
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result = self.parse_response({"html": "test", "type": "video"})
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self.assertIn("og:type", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:type"], "video.other")
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self.assertIn("og:description", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:description"], "test")
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result = self.parse_response({"type": "video"})
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self.assertIn("og:type", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:type"], "video.other")
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self.assertNotIn("og:description", result.open_graph_result)
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result = self.parse_response({"url": 1, "type": "video"})
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self.assertIn("og:type", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:type"], "video.other")
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self.assertNotIn("og:description", result.open_graph_result)
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def test_link(self) -> None:
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"""Test type of link."""
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result = self.parse_response({"type": "link"})
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self.assertIn("og:type", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:type"], "website")
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