mirror of
https://github.com/zulip/zulip.git
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217 lines
7.7 KiB
Python
217 lines
7.7 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import absolute_import
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from __future__ import print_function
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import mock
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import ujson
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from typing import Any
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from requests.exceptions import ConnectionError
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from django.test import override_settings
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from zerver.models import Recipient, Message
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from zerver.lib.test_classes import ZulipTestCase
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from zerver.lib.test_helpers import MockPythonResponse
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from zerver.worker.queue_processors import FetchLinksEmbedData
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from zerver.lib.url_preview.preview import get_link_embed_data
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from zerver.lib.url_preview.oembed import get_oembed_data
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from zerver.lib.url_preview.parsers import (
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OpenGraphParser, GenericParser)
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TEST_CACHES = {
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'default': {
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'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
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'LOCATION': 'default',
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},
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'database': {
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'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
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'LOCATION': 'url-preview',
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}
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}
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@override_settings(INLINE_URL_EMBED_PREVIEW=True)
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class OembedTestCase(ZulipTestCase):
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@mock.patch('pyoembed.requests.get')
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def test_present_provider(self, get):
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# type: (Any) -> None
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get.return_value = response = mock.Mock()
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response.headers = {'content-type': 'application/json'}
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response.ok = True
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response_data = {
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'type': 'rich',
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'thumbnail_url': 'https://scontent.cdninstagram.com/t51.2885-15/n.jpg',
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'thumbnail_width': 640,
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'thumbnail_height': 426,
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'title': 'NASA',
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'html': '<p>test</p>',
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'version': '1.0',
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'width': 658,
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'height': None}
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response.text = ujson.dumps(response_data)
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url = 'http://instagram.com/p/BLtI2WdAymy'
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data = get_oembed_data(url)
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self.assertIsInstance(data, dict)
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self.assertIn('title', data)
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self.assertEqual(data['title'], response_data['title'])
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@mock.patch('pyoembed.requests.get')
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def test_error_request(self, get):
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# type: (Any) -> None
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get.return_value = response = mock.Mock()
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response.ok = False
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url = 'http://instagram.com/p/BLtI2WdAymy'
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data = get_oembed_data(url)
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self.assertIsNone(data)
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class OpenGraphParserTestCase(ZulipTestCase):
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def test_page_with_og(self):
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# type: () -> None
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html = """<html>
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<head>
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<meta property="og:title" content="The Rock" />
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<meta property="og:type" content="video.movie" />
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<meta property="og:url" content="http://www.imdb.com/title/tt0117500/" />
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<meta property="og:image" content="http://ia.media-imdb.com/images/rock.jpg" />
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<meta property="og:description" content="The Rock film" />
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</head>
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</html>"""
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parser = OpenGraphParser(html)
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result = parser.extract_data()
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self.assertIn('title', result)
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self.assertEqual(result['title'], 'The Rock')
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self.assertEqual(result.get('description'), 'The Rock film')
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class GenericParserTestCase(ZulipTestCase):
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def test_parser(self):
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# type: () -> None
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html = """
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<html>
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<head><title>Test title</title></head>
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<body>
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<h1>Main header</h1>
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<p>Description text</p>
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</body>
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</html>
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"""
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parser = GenericParser(html)
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result = parser.extract_data()
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self.assertEqual(result.get('title'), 'Test title')
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self.assertEqual(result.get('description'), 'Description text')
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def test_extract_image(self):
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# type: () -> None
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html = """
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<html>
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<body>
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<h1>Main header</h1>
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<img src="http://test.com/test.jpg">
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<div>
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<p>Description text</p>
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</div>
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</body>
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</html>
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"""
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parser = GenericParser(html)
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result = parser.extract_data()
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self.assertEqual(result.get('title'), 'Main header')
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self.assertEqual(result.get('description'), 'Description text')
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self.assertEqual(result.get('image'), 'http://test.com/test.jpg')
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def test_extract_description(self):
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# type: () -> None
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html = """
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<html>
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<body>
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<div>
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<div>
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<p>Description text</p>
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</div>
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</div>
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</body>
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</html>
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"""
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parser = GenericParser(html)
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result = parser.extract_data()
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self.assertEqual(result.get('description'), 'Description text')
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html = """
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<html>
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<head><meta name="description" content="description 123"</head>
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<body></body>
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</html>
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"""
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parser = GenericParser(html)
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result = parser.extract_data()
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self.assertEqual(result.get('description'), 'description 123')
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html = "<html><body></body></html>"
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parser = GenericParser(html)
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result = parser.extract_data()
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self.assertIsNone(result.get('description'))
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class PreviewTestCase(ZulipTestCase):
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def test_get_link_embed_data(self):
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# type: () -> None
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html = """
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<html>
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<head>
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<title>Test title</title>
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<meta property="og:title" content="The Rock" />
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<meta property="og:type" content="video.movie" />
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<meta property="og:url" content="http://www.imdb.com/title/tt0117500/" />
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<meta property="og:image" content="http://ia.media-imdb.com/images/rock.jpg" />
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</head>
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<body>
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<h1>Main header</h1>
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<p>Description text</p>
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</body>
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</html>
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"""
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url = 'http://test.org/'
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msg_id = self.send_message(
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"hamlet@zulip.com", "cordelia@zulip.com",
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Recipient.PERSONAL, subject="url", content=url)
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response = MockPythonResponse(html, 200)
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mocked_response = mock.Mock(
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side_effect=lambda k: {url: response}.get(k, MockPythonResponse('', 404)))
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event = {
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'message_id': msg_id,
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'urls': [url],
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'message_content': url}
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with self.settings(INLINE_URL_EMBED_PREVIEW=True, TEST_SUITE=False, CACHES=TEST_CACHES):
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with mock.patch('requests.get', mocked_response):
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FetchLinksEmbedData().consume(event)
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msg = Message.objects.get(id=msg_id)
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self.assertIn(
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'<a href="{0}" target="_blank" title="The Rock">The Rock</a>'.format(url),
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msg.rendered_content)
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def test_http_error_get_data(self):
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# type: () -> None
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url = 'http://test.org/'
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msg_id = self.send_message(
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"hamlet@zulip.com", "cordelia@zulip.com",
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Recipient.PERSONAL, subject="url", content=url)
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event = {
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'message_id': msg_id,
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'urls': [url],
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'message_content': url}
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with self.settings(INLINE_URL_EMBED_PREVIEW=True, TEST_SUITE=False, CACHES=TEST_CACHES):
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with mock.patch('requests.get', mock.Mock(side_effect=ConnectionError())):
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with mock.patch('logging.error') as error_mock:
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FetchLinksEmbedData().consume(event)
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self.assertEqual(error_mock.call_count, 1)
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msg = Message.objects.get(id=msg_id)
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self.assertEqual(
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'<p><a href="http://test.org/" target="_blank" title="http://test.org/">http://test.org/</a></p>',
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msg.rendered_content)
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def test_invalid_link(self):
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# type: () -> None
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with self.settings(INLINE_URL_EMBED_PREVIEW=True, TEST_SUITE=False, CACHES=TEST_CACHES):
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self.assertIsNone(get_link_embed_data('com.notvalidlink'))
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