1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
# 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 parameterized import parameterized
from twisted.test.proto_helpers import MemoryReactor
from synapse.media.oembed import OEmbedProvider, OEmbedResult
from synapse.server import HomeServer
from synapse.types import JsonDict
from synapse.util import Clock
from tests.unittest import HomeserverTestCase
try:
import lxml
except ImportError:
lxml = None # type: ignore[assignment]
class OEmbedTests(HomeserverTestCase):
if not lxml:
skip = "url preview feature requires lxml"
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.oembed = OEmbedProvider(hs)
def parse_response(self, response: JsonDict) -> OEmbedResult:
return self.oembed.parse_oembed_response(
"https://test", json.dumps(response).encode("utf-8")
)
def test_version(self) -> None:
"""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})
# 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)
def test_cache_age(self) -> None:
"""Ensure a cache-age is parsed properly."""
# Correct-ish cache ages are allowed.
for cache_age in ("1", 1.0, 1):
result = self.parse_response({"cache_age": cache_age})
self.assertEqual(result.cache_age, 1000)
# Invalid cache ages are ignored.
for cache_age in ("invalid", {}):
result = self.parse_response({"cache_age": cache_age})
self.assertIsNone(result.cache_age)
# Cache age is optional.
result = self.parse_response({})
self.assertIsNone(result.cache_age)
@parameterized.expand(
[
("title", "title"),
("provider_name", "site_name"),
("thumbnail_url", "image"),
],
name_func=lambda func, num, p: f"{func.__name__}_{p.args[0]}",
)
def test_property(self, oembed_property: str, open_graph_property: str) -> None:
"""Test properties which must be strings."""
result = self.parse_response({oembed_property: "test"})
self.assertIn(f"og:{open_graph_property}", result.open_graph_result)
self.assertEqual(result.open_graph_result[f"og:{open_graph_property}"], "test")
result = self.parse_response({oembed_property: 1})
self.assertNotIn(f"og:{open_graph_property}", result.open_graph_result)
def test_author_name(self) -> None:
"""Test the author_name property."""
result = self.parse_response({"author_name": "test"})
self.assertEqual(result.author_name, "test")
result = self.parse_response({"author_name": 1})
self.assertIsNone(result.author_name)
def test_rich(self) -> None:
"""Test a type of rich."""
result = self.parse_response({"html": "test<img src='foo'>", "type": "rich"})
self.assertIn("og:description", result.open_graph_result)
self.assertIn("og:image", result.open_graph_result)
self.assertEqual(result.open_graph_result["og:description"], "test")
self.assertEqual(result.open_graph_result["og:image"], "foo")
result = self.parse_response({"type": "rich"})
self.assertNotIn("og:description", result.open_graph_result)
result = self.parse_response({"html": 1, "type": "rich"})
self.assertNotIn("og:description", result.open_graph_result)
def test_photo(self) -> None:
"""Test a type of photo."""
result = self.parse_response({"url": "test", "type": "photo"})
self.assertIn("og:image", result.open_graph_result)
self.assertEqual(result.open_graph_result["og:image"], "test")
result = self.parse_response({"type": "photo"})
self.assertNotIn("og:image", result.open_graph_result)
result = self.parse_response({"url": 1, "type": "photo"})
self.assertNotIn("og:image", result.open_graph_result)
def test_video(self) -> None:
"""Test a type of video."""
result = self.parse_response({"html": "test", "type": "video"})
self.assertIn("og:type", result.open_graph_result)
self.assertEqual(result.open_graph_result["og:type"], "video.other")
self.assertIn("og:description", result.open_graph_result)
self.assertEqual(result.open_graph_result["og:description"], "test")
result = self.parse_response({"type": "video"})
self.assertIn("og:type", result.open_graph_result)
self.assertEqual(result.open_graph_result["og:type"], "video.other")
self.assertNotIn("og:description", result.open_graph_result)
result = self.parse_response({"url": 1, "type": "video"})
self.assertIn("og:type", result.open_graph_result)
self.assertEqual(result.open_graph_result["og:type"], "video.other")
self.assertNotIn("og:description", result.open_graph_result)
def test_link(self) -> None:
"""Test type of link."""
result = self.parse_response({"type": "link"})
self.assertIn("og:type", result.open_graph_result)
self.assertEqual(result.open_graph_result["og:type"], "website")
def test_title_html_entities(self) -> None:
"""Test HTML entities in title"""
result = self.parse_response(
{"title": "Why JSON isn’t a Good Configuration Language"}
)
self.assertEqual(
result.open_graph_result["og:title"],
"Why JSON isn’t a Good Configuration Language",
)
|
