diff options
Diffstat (limited to 'tests/rest')
| -rw-r--r-- | tests/rest/media/v1/test_url_preview.py | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/tests/rest/media/v1/test_url_preview.py b/tests/rest/media/v1/test_url_preview.py new file mode 100644 index 0000000000..29579cf091 --- /dev/null +++ b/tests/rest/media/v1/test_url_preview.py @@ -0,0 +1,164 @@ +# -*- coding: utf-8 -*- +# Copyright 2018 New Vector Ltd +# +# 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 os + +from mock import Mock + +from twisted.internet.defer import Deferred + +from synapse.config.repository import MediaStorageProviderConfig +from synapse.util.module_loader import load_module + +from tests import unittest + + +class URLPreviewTests(unittest.HomeserverTestCase): + + hijack_auth = True + user_id = "@test:user" + + def make_homeserver(self, reactor, clock): + + self.storage_path = self.mktemp() + os.mkdir(self.storage_path) + + config = self.default_config() + config.url_preview_enabled = True + config.max_spider_size = 9999999 + config.url_preview_url_blacklist = [] + config.media_store_path = self.storage_path + + provider_config = { + "module": "synapse.rest.media.v1.storage_provider.FileStorageProviderBackend", + "store_local": True, + "store_synchronous": False, + "store_remote": True, + "config": {"directory": self.storage_path}, + } + + loaded = list(load_module(provider_config)) + [ + MediaStorageProviderConfig(False, False, False) + ] + + config.media_storage_providers = [loaded] + + hs = self.setup_test_homeserver(config=config) + + return hs + + def prepare(self, reactor, clock, hs): + + self.fetches = [] + + def get_file(url, output_stream, max_size): + """ + Returns tuple[int,dict,str,int] of file length, response headers, + absolute URI, and response code. + """ + + def write_to(r): + data, response = r + output_stream.write(data) + return response + + d = Deferred() + d.addCallback(write_to) + self.fetches.append((d, url)) + return d + + client = Mock() + client.get_file = get_file + + self.media_repo = hs.get_media_repository_resource() + preview_url = self.media_repo.children[b'preview_url'] + preview_url.client = client + self.preview_url = preview_url + + def test_cache_returns_correct_type(self): + + request, channel = self.make_request( + "GET", "url_preview?url=matrix.org", shorthand=False + ) + request.render(self.preview_url) + self.pump() + + # We've made one fetch + self.assertEqual(len(self.fetches), 1) + + end_content = ( + b'<html><head>' + b'<meta property="og:title" content="~matrix~" />' + b'<meta property="og:description" content="hi" />' + b'</head></html>' + ) + + self.fetches[0][0].callback( + ( + end_content, + ( + len(end_content), + { + b"Content-Length": [b"%d" % (len(end_content))], + b"Content-Type": [b'text/html; charset="utf8"'], + }, + "https://example.com", + 200, + ), + ) + ) + + self.pump() + self.assertEqual(channel.code, 200) + self.assertEqual( + channel.json_body, {"og:title": "~matrix~", "og:description": "hi"} + ) + + # Check the cache returns the correct response + request, channel = self.make_request( + "GET", "url_preview?url=matrix.org", shorthand=False + ) + request.render(self.preview_url) + self.pump() + + # Only one fetch, still, since we'll lean on the cache + self.assertEqual(len(self.fetches), 1) + + # Check the cache response has the same content + self.assertEqual(channel.code, 200) + self.assertEqual( + channel.json_body, {"og:title": "~matrix~", "og:description": "hi"} + ) + + # Clear the in-memory cache + self.assertIn("matrix.org", self.preview_url._cache) + self.preview_url._cache.pop("matrix.org") + self.assertNotIn("matrix.org", self.preview_url._cache) + + # Check the database cache returns the correct response + request, channel = self.make_request( + "GET", "url_preview?url=matrix.org", shorthand=False + ) + request.render(self.preview_url) + self.pump() + + # Only one fetch, still, since we'll lean on the cache + self.assertEqual(len(self.fetches), 1) + + # Check the cache response has the same content + self.assertEqual(channel.code, 200) + self.assertEqual( + channel.json_body, {"og:title": "~matrix~", "og:description": "hi"} + ) |