from django.conf import settings from django.test import TestCase, override_settings from zerver.lib import bugdown from zerver.lib.actions import ( do_set_user_display_setting, do_remove_realm_emoji, do_add_alert_words, do_set_realm_property, ) from zerver.lib.alert_words import get_alert_word_automaton from zerver.lib.create_user import create_user from zerver.lib.emoji import get_emoji_url from zerver.lib.exceptions import BugdownRenderingException from zerver.lib.mention import possible_mentions, possible_user_group_mentions from zerver.lib.message import render_markdown from zerver.lib.request import ( JsonableError, ) from zerver.lib.user_groups import create_user_group from zerver.lib.test_classes import ( ZulipTestCase, ) from zerver.lib.test_runner import slow from zerver.lib import mdiff from zerver.lib.tex import render_tex from zerver.models import ( realm_in_local_realm_filters_cache, flush_per_request_caches, flush_realm_filter, get_client, get_realm, get_stream, realm_filters_for_realm, MAX_MESSAGE_LENGTH, Message, Stream, Realm, RealmEmoji, RealmFilter, UserMessage, UserProfile, UserGroup, ) import copy from unittest import mock import os import ujson import re from typing import cast, Any, Dict, List, Optional, Set, Tuple class FakeMessage: pass class FencedBlockPreprocessorTest(TestCase): def test_simple_quoting(self) -> None: processor = bugdown.fenced_code.FencedBlockPreprocessor(None) markdown = [ '~~~ quote', 'hi', 'bye', '', '', ] expected = [ '', '> hi', '> bye', '', '', '', ] lines = processor.run(markdown) self.assertEqual(lines, expected) def test_serial_quoting(self) -> None: processor = bugdown.fenced_code.FencedBlockPreprocessor(None) markdown = [ '~~~ quote', 'hi', '~~~', '', '~~~ quote', 'bye', '', '', ] expected = [ '', '> hi', '', '', '', '> bye', '', '', '', ] lines = processor.run(markdown) self.assertEqual(lines, expected) def test_serial_code(self) -> None: processor = bugdown.fenced_code.FencedBlockPreprocessor(None) # Simulate code formatting. processor.format_code = lambda lang, code: lang + ':' + code # type: ignore[assignment] # mypy doesn't allow monkey-patching functions processor.placeholder = lambda s: '**' + s.strip('\n') + '**' # type: ignore[assignment] # https://github.com/python/mypy/issues/708 markdown = [ '``` .py', 'hello()', '```', '', '```vb.net', 'goodbye()', '```', '', '```c#', 'weirdchar()', '```', '', '```', 'no-highlight()', '```', '', ] expected = [ '', '**py:hello()**', '', '', '', '**vb.net:goodbye()**', '', '', '', '**c#:weirdchar()**', '', '', '', '**:no-highlight()**', '', '', ] lines = processor.run(markdown) self.assertEqual(lines, expected) def test_nested_code(self) -> None: processor = bugdown.fenced_code.FencedBlockPreprocessor(None) # Simulate code formatting. processor.format_code = lambda lang, code: lang + ':' + code # type: ignore[assignment] # mypy doesn't allow monkey-patching functions processor.placeholder = lambda s: '**' + s.strip('\n') + '**' # type: ignore[assignment] # https://github.com/python/mypy/issues/708 markdown = [ '~~~ quote', 'hi', '``` .py', 'hello()', '```', '', '', ] expected = [ '', '> hi', '', '> **py:hello()**', '', '', '', ] lines = processor.run(markdown) self.assertEqual(lines, expected) def bugdown_convert(content: str) -> str: message = cast(Message, FakeMessage()) message.content = content message.id = 999 return bugdown.convert( content=content, message_realm=get_realm('zulip'), message=message, ) class BugdownMiscTest(ZulipTestCase): def test_diffs_work_as_expected(self) -> None: str1 = "

The quick brown fox jumps over the lazy dog. Animal stories are fun, yeah

" str2 = "

The fast fox jumps over the lazy dogs and cats. Animal stories are fun

" expected_diff = "\u001b[34m-\u001b[0m

The \u001b[33mquick brown\u001b[0m fox jumps over the lazy dog. Animal stories are fun\u001b[31m, yeah\u001b[0m

\n\u001b[34m+\u001b[0m

The \u001b[33mfast\u001b[0m fox jumps over the lazy dog\u001b[32ms and cats\u001b[0m. Animal stories are fun

\n" self.assertEqual(mdiff.diff_strings(str1, str2), expected_diff) def test_get_possible_mentions_info(self) -> None: realm = get_realm('zulip') def make_user(email: str, full_name: str) -> UserProfile: return create_user( email=email, password='whatever', realm=realm, full_name=full_name, short_name='whatever', ) fred1 = make_user('fred1@example.com', 'Fred Flintstone') fred1.is_active = False fred1.save() fred2 = make_user('fred2@example.com', 'Fred Flintstone') fred3 = make_user('fred3@example.com', 'Fred Flintstone') fred3.is_active = False fred3.save() fred4 = make_user('fred4@example.com', 'Fred Flintstone') lst = bugdown.get_possible_mentions_info(realm.id, {'Fred Flintstone', 'cordelia LEAR', 'Not A User'}) set_of_names = set(map(lambda x: x['full_name'].lower(), lst)) self.assertEqual(set_of_names, {'fred flintstone', 'cordelia lear'}) by_id = { row['id']: row for row in lst } self.assertEqual(by_id.get(fred2.id), dict( email=fred2.email, full_name='Fred Flintstone', id=fred2.id, )) self.assertEqual(by_id.get(fred4.id), dict( email=fred4.email, full_name='Fred Flintstone', id=fred4.id, )) def test_mention_data(self) -> None: realm = get_realm('zulip') hamlet = self.example_user('hamlet') cordelia = self.example_user('cordelia') content = '@**King Hamlet** @**Cordelia lear**' mention_data = bugdown.MentionData(realm.id, content) self.assertEqual(mention_data.get_user_ids(), {hamlet.id, cordelia.id}) self.assertEqual(mention_data.get_user_by_id(hamlet.id), dict( email=hamlet.email, full_name=hamlet.full_name, id=hamlet.id, )) user = mention_data.get_user_by_name('king hamLET') assert(user is not None) self.assertEqual(user['email'], hamlet.email) self.assertFalse(mention_data.message_has_wildcards()) content = '@**King Hamlet** @**Cordelia lear** @**all**' mention_data = bugdown.MentionData(realm.id, content) self.assertTrue(mention_data.message_has_wildcards()) def test_invalid_katex_path(self) -> None: with self.settings(DEPLOY_ROOT="/nonexistent"): with mock.patch('logging.error') as mock_logger: render_tex("random text") mock_logger.assert_called_with("Cannot find KaTeX for latex rendering!") class BugdownListPreprocessorTest(ZulipTestCase): # We test that the preprocessor inserts blank lines at correct places. # We use <> to indicate that we need to insert a blank line here. def split_message(self, msg: str) -> Tuple[List[str], List[str]]: original = msg.replace('<>', '').split('\n') expected = re.split(r'\n|<>', msg) return original, expected def test_basic_list(self) -> None: preprocessor = bugdown.BugdownListPreprocessor() original, expected = self.split_message('List without a gap\n<>* One\n* Two') self.assertEqual(preprocessor.run(original), expected) def test_list_after_quotes(self) -> None: preprocessor = bugdown.BugdownListPreprocessor() original, expected = self.split_message('```quote\nSomething\n```\n\nList without a gap\n<>* One\n* Two') self.assertEqual(preprocessor.run(original), expected) def test_list_in_code(self) -> None: preprocessor = bugdown.BugdownListPreprocessor() original, expected = self.split_message('```\nList without a gap\n* One\n* Two\n```') self.assertEqual(preprocessor.run(original), expected) def test_complex_nesting_with_different_fences(self) -> None: preprocessor = bugdown.BugdownListPreprocessor() msg = """```quote In quote. We should convert a list here:<> * one * two ~~~ This is a nested code fence, do not make changes here: * one * two ````quote Quote in code fence. Should not convert: * one * two ```` ~~~ Back in the quote. We should convert:<> * one * two ``` Outside. Should convert:<> * one * two """ original, expected = self.split_message(msg) self.assertEqual(preprocessor.run(original), expected) def test_complex_nesting_with_same_fence(self) -> None: preprocessor = bugdown.BugdownListPreprocessor() msg = """```quote In quote. We should convert a list here:<> * one * two ```python This is a nested code fence, do not make changes here: * one * two ```quote Quote in code fence. Should not convert: * one * two ``` ``` Back in the quote. We should convert:<> * one * two ``` Outside. Should convert:<> * one * two """ original, expected = self.split_message(msg) self.assertEqual(preprocessor.run(original), expected) class BugdownTest(ZulipTestCase): def setUp(self) -> None: super().setUp() bugdown.clear_state_for_testing() def assertEqual(self, first: Any, second: Any, msg: str = "") -> None: if isinstance(first, str) and isinstance(second, str): if first != second: raise AssertionError("Actual and expected outputs do not match; showing diff.\n" + mdiff.diff_strings(first, second) + msg) else: super().assertEqual(first, second) def load_bugdown_tests(self) -> Tuple[Dict[str, Any], List[List[str]]]: test_fixtures = {} with open(os.path.join(os.path.dirname(__file__), 'fixtures/markdown_test_cases.json')) as f: data = ujson.load(f) for test in data['regular_tests']: test_fixtures[test['name']] = test return test_fixtures, data['linkify_tests'] def test_bugdown_no_ignores(self) -> None: # We do not want any ignored tests to be committed and merged. format_tests, linkify_tests = self.load_bugdown_tests() for name, test in format_tests.items(): message = 'Test "%s" shouldn\'t be ignored.' % (name,) is_ignored = test.get('ignore', False) self.assertFalse(is_ignored, message) @slow("Aggregate of runs dozens of individual markdown tests") def test_bugdown_fixtures(self) -> None: format_tests, linkify_tests = self.load_bugdown_tests() valid_keys = {"name", "input", "expected_output", "backend_only_rendering", "marked_expected_output", "text_content", "translate_emoticons", "ignore"} for name, test in format_tests.items(): with self.subTest(markdown_test_case=name): # Check that there aren't any unexpected keys as those are often typos self.assertEqual(len(set(test.keys()) - valid_keys), 0) # Ignore tests if specified if test.get('ignore', False): continue # nocoverage if test.get('translate_emoticons', False): # Create a userprofile and send message with it. user_profile = self.example_user('othello') do_set_user_display_setting(user_profile, 'translate_emoticons', True) msg = Message(sender=user_profile, sending_client=get_client("test")) converted = render_markdown(msg, test['input']) else: converted = bugdown_convert(test['input']) self.assertEqual(converted, test['expected_output']) def replaced(payload: str, url: str, phrase: str='') -> str: if url[:4] == 'http': href = url elif '@' in url: href = 'mailto:' + url else: href = 'http://' + url return payload % ("%s" % (href, url),) print("Running Bugdown Linkify tests") with mock.patch('zerver.lib.url_preview.preview.link_embed_data_from_cache', return_value=None): for inline_url, reference, url in linkify_tests: try: match = replaced(reference, url, phrase=inline_url) except TypeError: match = reference converted = bugdown_convert(inline_url) self.assertEqual(match, converted) def test_inline_file(self) -> None: msg = 'Check out this file file:///Volumes/myserver/Users/Shared/pi.py' converted = bugdown_convert(msg) self.assertEqual(converted, '

Check out this file file:///Volumes/myserver/Users/Shared/pi.py

') bugdown.clear_state_for_testing() with self.settings(ENABLE_FILE_LINKS=False): realm = Realm.objects.create(string_id='file_links_test') bugdown.maybe_update_markdown_engines(realm.id, False) converted = bugdown.convert(msg, message_realm=realm) self.assertEqual(converted, '

Check out this file file:///Volumes/myserver/Users/Shared/pi.py

') def test_inline_bitcoin(self) -> None: msg = 'To bitcoin:1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa or not to bitcoin' converted = bugdown_convert(msg) self.assertEqual(converted, '

To bitcoin:1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa or not to bitcoin

') def test_inline_youtube(self) -> None: msg = 'Check out the debate: http://www.youtube.com/watch?v=hx1mjT73xYE' converted = bugdown_convert(msg) self.assertEqual(converted, '

Check out the debate: http://www.youtube.com/watch?v=hx1mjT73xYE

\n
') msg = 'http://www.youtube.com/watch?v=hx1mjT73xYE' converted = bugdown_convert(msg) self.assertEqual(converted, '

http://www.youtube.com/watch?v=hx1mjT73xYE

\n
') msg = 'https://youtu.be/hx1mjT73xYE' converted = bugdown_convert(msg) self.assertEqual(converted, '

https://youtu.be/hx1mjT73xYE

\n
') msg = 'https://www.youtube.com/playlist?list=PL8dPuuaLjXtNlUrzyH5r6jN9ulIgZBpdo' not_converted = bugdown_convert(msg) self.assertEqual(not_converted, '

https://www.youtube.com/playlist?list=PL8dPuuaLjXtNlUrzyH5r6jN9ulIgZBpdo

') msg = 'https://www.youtube.com/playlist?v=O5nskjZ_GoI&list=PL8dPuuaLjXtNlUrzyH5r6jN9ulIgZBpdo' converted = bugdown_convert(msg) self.assertEqual(converted, '

https://www.youtube.com/playlist?v=O5nskjZ_GoI&list=PL8dPuuaLjXtNlUrzyH5r6jN9ulIgZBpdo

\n
') msg = 'http://www.youtube.com/watch_videos?video_ids=nOJgD4fcZhI,i96UO8-GFvw' converted = bugdown_convert(msg) self.assertEqual(converted, '

http://www.youtube.com/watch_videos?video_ids=nOJgD4fcZhI,i96UO8-GFvw

\n
') @override_settings(INLINE_URL_EMBED_PREVIEW=False) def test_inline_vimeo(self) -> None: msg = 'Check out the debate: https://vimeo.com/246979354' converted = bugdown_convert(msg) self.assertEqual(converted, '

Check out the debate: https://vimeo.com/246979354

') msg = 'https://vimeo.com/246979354' converted = bugdown_convert(msg) self.assertEqual(converted, '

https://vimeo.com/246979354

') @override_settings(INLINE_IMAGE_PREVIEW=True) def test_inline_image_thumbnail_url(self) -> None: realm = get_realm("zephyr") msg = '[foobar](/user_uploads/{realm_id}/50/w2G6ok9kr8AMCQCTNAUOFMln/IMG_0677.JPG)' msg = msg.format(realm_id=realm.id) thumbnail_img = '<' thumbnail_img = thumbnail_img.format(realm_id=realm.id) converted = bugdown_convert(msg) self.assertIn(thumbnail_img, converted) msg = 'https://www.google.com/images/srpr/logo4w.png' thumbnail_img = '' converted = bugdown_convert(msg) self.assertIn(thumbnail_img, converted) msg = 'www.google.com/images/srpr/logo4w.png' thumbnail_img = '' converted = bugdown_convert(msg) self.assertIn(thumbnail_img, converted) msg = 'https://www.google.com/images/srpr/logo4w.png' thumbnail_img = '
' with self.settings(THUMBNAIL_IMAGES=False): converted = bugdown_convert(msg) self.assertIn(thumbnail_img, converted) # Any url which is not an external link and doesn't start with # /user_uploads/ is not thumbnailed msg = '[foobar](/static/images/cute/turtle.png)' thumbnail_img = '
' converted = bugdown_convert(msg) self.assertIn(thumbnail_img, converted) msg = '[foobar](/user_avatars/{realm_id}/emoji/images/50.png)' msg = msg.format(realm_id=realm.id) thumbnail_img = '
' thumbnail_img = thumbnail_img.format(realm_id=realm.id) converted = bugdown_convert(msg) self.assertIn(thumbnail_img, converted) @override_settings(INLINE_IMAGE_PREVIEW=True) def test_inline_image_preview(self) -> None: with_preview = '
' without_preview = '

http://cdn.wallpapersafari.com/13/6/16eVjx.jpeg

' content = 'http://cdn.wallpapersafari.com/13/6/16eVjx.jpeg' sender_user_profile = self.example_user('othello') msg = Message(sender=sender_user_profile, sending_client=get_client("test")) converted = render_markdown(msg, content) self.assertEqual(converted, with_preview) realm = msg.get_realm() setattr(realm, 'inline_image_preview', False) realm.save() sender_user_profile = self.example_user('othello') msg = Message(sender=sender_user_profile, sending_client=get_client("test")) converted = render_markdown(msg, content) self.assertEqual(converted, without_preview) @override_settings(INLINE_IMAGE_PREVIEW=True) def test_inline_image_quoted_blocks(self) -> None: content = 'http://cdn.wallpapersafari.com/13/6/16eVjx.jpeg' expected = '
' sender_user_profile = self.example_user('othello') msg = Message(sender=sender_user_profile, sending_client=get_client("test")) converted = render_markdown(msg, content) self.assertEqual(converted, expected) content = '>http://cdn.wallpapersafari.com/13/6/16eVjx.jpeg\n\nAwesome!' expected = '
\n

http://cdn.wallpapersafari.com/13/6/16eVjx.jpeg

\n
\n

Awesome!

' sender_user_profile = self.example_user('othello') msg = Message(sender=sender_user_profile, sending_client=get_client("test")) converted = render_markdown(msg, content) self.assertEqual(converted, expected) content = '>* http://cdn.wallpapersafari.com/13/6/16eVjx.jpeg\n\nAwesome!' expected = '
\n\n
\n

Awesome!

' sender_user_profile = self.example_user('othello') msg = Message(sender=sender_user_profile, sending_client=get_client("test")) converted = render_markdown(msg, content) self.assertEqual(converted, expected) @override_settings(INLINE_IMAGE_PREVIEW=True) def test_inline_image_preview_order(self) -> None: realm = get_realm("zulip") content = 'http://imaging.nikon.com/lineup/dslr/df/img/sample/img_01.jpg\nhttp://imaging.nikon.com/lineup/dslr/df/img/sample/img_02.jpg\nhttp://imaging.nikon.com/lineup/dslr/df/img/sample/img_03.jpg' expected = '

http://imaging.nikon.com/lineup/dslr/df/img/sample/img_01.jpg
\nhttp://imaging.nikon.com/lineup/dslr/df/img/sample/img_02.jpg
\nhttp://imaging.nikon.com/lineup/dslr/df/img/sample/img_03.jpg

\n
' sender_user_profile = self.example_user('othello') msg = Message(sender=sender_user_profile, sending_client=get_client("test")) converted = render_markdown(msg, content) self.assertEqual(converted, expected) content = 'http://imaging.nikon.com/lineup/dslr/df/img/sample/img_01.jpg\n\n>http://imaging.nikon.com/lineup/dslr/df/img/sample/img_02.jpg\n\n* http://imaging.nikon.com/lineup/dslr/df/img/sample/img_03.jpg\n* https://www.google.com/images/srpr/logo4w.png' expected = '
\n

http://imaging.nikon.com/lineup/dslr/df/img/sample/img_02.jpg

\n
\n' sender_user_profile = self.example_user('othello') msg = Message(sender=sender_user_profile, sending_client=get_client("test")) converted = render_markdown(msg, content) self.assertEqual(converted, expected) content = 'Test 1\n[21136101110_1dde1c1a7e_o.jpg](/user_uploads/{realm_id}/6d/F1PX6u16JA2P-nK45PyxHIYZ/21136101110_1dde1c1a7e_o.jpg) \n\nNext Image\n[IMG_20161116_023910.jpg](/user_uploads/{realm_id}/69/sh7L06e7uH7NaX6d5WFfVYQp/IMG_20161116_023910.jpg) \n\nAnother Screenshot\n[Screenshot-from-2016-06-01-16-22-42.png](/user_uploads/{realm_id}/70/_aZmIEWaN1iUaxwkDjkO7bpj/Screenshot-from-2016-06-01-16-22-42.png)' content = content.format(realm_id=realm.id) expected = '

Test 1
\n21136101110_1dde1c1a7e_o.jpg

\n

Next Image
\nIMG_20161116_023910.jpg

\n

Another Screenshot
\nScreenshot-from-2016-06-01-16-22-42.png

\n
' expected = expected.format(realm_id=realm.id) msg = Message(sender=sender_user_profile, sending_client=get_client("test")) converted = render_markdown(msg, content) self.assertEqual(converted, expected) @override_settings(INLINE_IMAGE_PREVIEW=True) def test_corrected_image_source(self) -> None: # testing only wikipedia because linx.li urls can be expected to expire content = 'https://en.wikipedia.org/wiki/File:Wright_of_Derby,_The_Orrery.jpg' expected = '
' sender_user_profile = self.example_user('othello') msg = Message(sender=sender_user_profile, sending_client=get_client("test")) converted = render_markdown(msg, content) self.assertEqual(converted, expected) @override_settings(INLINE_IMAGE_PREVIEW=False) def test_image_preview_enabled(self) -> None: ret = bugdown.image_preview_enabled() self.assertEqual(ret, False) settings.INLINE_IMAGE_PREVIEW = True sender_user_profile = self.example_user('othello') message = Message(sender=sender_user_profile, sending_client=get_client("test")) realm = message.get_realm() ret = bugdown.image_preview_enabled() self.assertEqual(ret, True) ret = bugdown.image_preview_enabled(no_previews=True) self.assertEqual(ret, False) ret = bugdown.image_preview_enabled(message, realm) self.assertEqual(ret, True) ret = bugdown.image_preview_enabled(message) self.assertEqual(ret, True) ret = bugdown.image_preview_enabled(message, realm, no_previews=True) self.assertEqual(ret, False) ret = bugdown.image_preview_enabled(message, no_previews=True) self.assertEqual(ret, False) @override_settings(INLINE_URL_EMBED_PREVIEW=False) def test_url_embed_preview_enabled(self) -> None: sender_user_profile = self.example_user('othello') message = copy.deepcopy(Message(sender=sender_user_profile, sending_client=get_client("test"))) realm = message.get_realm() realm.inline_url_embed_preview = True # off by default realm.save(update_fields=['inline_url_embed_preview']) ret = bugdown.url_embed_preview_enabled() self.assertEqual(ret, False) settings.INLINE_URL_EMBED_PREVIEW = True ret = bugdown.url_embed_preview_enabled() self.assertEqual(ret, True) ret = bugdown.image_preview_enabled(no_previews=True) self.assertEqual(ret, False) ret = bugdown.url_embed_preview_enabled(message, realm) self.assertEqual(ret, True) ret = bugdown.url_embed_preview_enabled(message) self.assertEqual(ret, True) ret = bugdown.url_embed_preview_enabled(message, no_previews=True) self.assertEqual(ret, False) def test_inline_dropbox(self) -> None: msg = 'Look at how hilarious our old office was: https://www.dropbox.com/s/ymdijjcg67hv2ta/IMG_0923.JPG' image_info = {'image': 'https://photos-4.dropbox.com/t/2/AABIre1oReJgPYuc_53iv0IHq1vUzRaDg2rrCfTpiWMccQ/12/129/jpeg/1024x1024/2/_/0/4/IMG_0923.JPG/CIEBIAEgAiAHKAIoBw/ymdijjcg67hv2ta/AABz2uuED1ox3vpWWvMpBxu6a/IMG_0923.JPG', 'desc': 'Shared with Dropbox', 'title': 'IMG_0923.JPG'} with mock.patch('zerver.lib.bugdown.fetch_open_graph_image', return_value=image_info): converted = bugdown_convert(msg) self.assertEqual(converted, '

Look at how hilarious our old office was: https://www.dropbox.com/s/ymdijjcg67hv2ta/IMG_0923.JPG

\n
') msg = 'Look at my hilarious drawing folder: https://www.dropbox.com/sh/cm39k9e04z7fhim/AAAII5NK-9daee3FcF41anEua?dl=' image_info = {'image': 'https://cf.dropboxstatic.com/static/images/icons128/folder_dropbox.png', 'desc': 'Shared with Dropbox', 'title': 'Saves'} with mock.patch('zerver.lib.bugdown.fetch_open_graph_image', return_value=image_info): converted = bugdown_convert(msg) self.assertEqual(converted, '

Look at my hilarious drawing folder: https://www.dropbox.com/sh/cm39k9e04z7fhim/AAAII5NK-9daee3FcF41anEua?dl=

\n
Saves
') def test_inline_dropbox_preview(self) -> None: # Test photo album previews msg = 'https://www.dropbox.com/sc/tditp9nitko60n5/03rEiZldy5' image_info = {'image': 'https://photos-6.dropbox.com/t/2/AAAlawaeD61TyNewO5vVi-DGf2ZeuayfyHFdNTNzpGq-QA/12/271544745/jpeg/1024x1024/2/_/0/5/baby-piglet.jpg/CKnjvYEBIAIgBygCKAc/tditp9nitko60n5/AADX03VAIrQlTl28CtujDcMla/0', 'desc': 'Shared with Dropbox', 'title': '1 photo'} with mock.patch('zerver.lib.bugdown.fetch_open_graph_image', return_value=image_info): converted = bugdown_convert(msg) self.assertEqual(converted, '

https://www.dropbox.com/sc/tditp9nitko60n5/03rEiZldy5

\n
') def test_inline_dropbox_negative(self) -> None: # Make sure we're not overzealous in our conversion: msg = 'Look at the new dropbox logo: https://www.dropbox.com/static/images/home_logo.png' with mock.patch('zerver.lib.bugdown.fetch_open_graph_image', return_value=None): converted = bugdown_convert(msg) self.assertEqual(converted, '

Look at the new dropbox logo: https://www.dropbox.com/static/images/home_logo.png

\n
') def test_inline_dropbox_bad(self) -> None: # Don't fail on bad dropbox links msg = "https://zulip-test.dropbox.com/photos/cl/ROmr9K1XYtmpneM" with mock.patch('zerver.lib.bugdown.fetch_open_graph_image', return_value=None): converted = bugdown_convert(msg) self.assertEqual(converted, '

https://zulip-test.dropbox.com/photos/cl/ROmr9K1XYtmpneM

') def test_inline_github_preview(self) -> None: # Test photo album previews msg = 'Test: https://github.com/zulip/zulip/blob/master/static/images/logo/zulip-icon-128x128.png' converted = bugdown_convert(msg) self.assertEqual(converted, '

Test: https://github.com/zulip/zulip/blob/master/static/images/logo/zulip-icon-128x128.png

\n
') msg = 'Test: https://developer.github.com/assets/images/hero-circuit-bg.png' converted = bugdown_convert(msg) self.assertEqual(converted, '

Test: https://developer.github.com/assets/images/hero-circuit-bg.png

\n
') def test_twitter_id_extraction(self) -> None: self.assertEqual(bugdown.get_tweet_id('http://twitter.com/#!/VizzQuotes/status/409030735191097344'), '409030735191097344') self.assertEqual(bugdown.get_tweet_id('http://twitter.com/VizzQuotes/status/409030735191097344'), '409030735191097344') self.assertEqual(bugdown.get_tweet_id('http://twitter.com/VizzQuotes/statuses/409030735191097344'), '409030735191097344') self.assertEqual(bugdown.get_tweet_id('https://twitter.com/wdaher/status/1017581858'), '1017581858') self.assertEqual(bugdown.get_tweet_id('https://twitter.com/wdaher/status/1017581858/'), '1017581858') self.assertEqual(bugdown.get_tweet_id('https://twitter.com/windyoona/status/410766290349879296/photo/1'), '410766290349879296') self.assertEqual(bugdown.get_tweet_id('https://twitter.com/windyoona/status/410766290349879296/'), '410766290349879296') def test_inline_interesting_links(self) -> None: def make_link(url: str) -> str: return '%s' % (url, url) normal_tweet_html = ('@Twitter ' 'meets @seepicturely at #tcdisrupt cc.' '@boscomonkey ' '@episod ' 'http://instagr.am/p/MuW67/') mention_in_link_tweet_html = """http://foo.com""" media_tweet_html = ('' 'http://twitter.com/NEVNBoston/status/421654515616849920/photo/1') emoji_in_tweet_html = """Zulip is :100:% open-source!""" def make_inline_twitter_preview(url: str, tweet_html: str, image_html: str='') -> str: ## As of right now, all previews are mocked to be the exact same tweet return ('
' '
' '' '' '' '

%s

' '- Eoin McMillan (@imeoin)' '%s' '
' '
') % (url, tweet_html, image_html) msg = 'http://www.twitter.com' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

' % (make_link('http://www.twitter.com'),)) msg = 'http://www.twitter.com/wdaher/' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

' % (make_link('http://www.twitter.com/wdaher/'),)) msg = 'http://www.twitter.com/wdaher/status/3' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

' % (make_link('http://www.twitter.com/wdaher/status/3'),)) # id too long msg = 'http://www.twitter.com/wdaher/status/2879779692873154569' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

' % (make_link('http://www.twitter.com/wdaher/status/2879779692873154569'),)) # id too large (i.e. tweet doesn't exist) msg = 'http://www.twitter.com/wdaher/status/999999999999999999' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

' % (make_link('http://www.twitter.com/wdaher/status/999999999999999999'),)) msg = 'http://www.twitter.com/wdaher/status/287977969287315456' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

\n%s' % ( make_link('http://www.twitter.com/wdaher/status/287977969287315456'), make_inline_twitter_preview('http://www.twitter.com/wdaher/status/287977969287315456', normal_tweet_html))) msg = 'https://www.twitter.com/wdaher/status/287977969287315456' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

\n%s' % ( make_link('https://www.twitter.com/wdaher/status/287977969287315456'), make_inline_twitter_preview('https://www.twitter.com/wdaher/status/287977969287315456', normal_tweet_html))) msg = 'http://twitter.com/wdaher/status/287977969287315456' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

\n%s' % ( make_link('http://twitter.com/wdaher/status/287977969287315456'), make_inline_twitter_preview('http://twitter.com/wdaher/status/287977969287315456', normal_tweet_html))) # Repeated links will only be converted once msg = ('http://twitter.com/wdaher/status/287977969287315456 ' 'http://twitter.com/wdaher/status/287977969287315457 ' 'http://twitter.com/wdaher/status/287977969287315457 ' 'http://twitter.com/wdaher/status/287977969287315457') converted = bugdown_convert(msg) self.assertEqual(converted, '

%s %s %s %s

\n%s%s' % ( make_link('http://twitter.com/wdaher/status/287977969287315456'), make_link('http://twitter.com/wdaher/status/287977969287315457'), make_link('http://twitter.com/wdaher/status/287977969287315457'), make_link('http://twitter.com/wdaher/status/287977969287315457'), make_inline_twitter_preview('http://twitter.com/wdaher/status/287977969287315456', normal_tweet_html), make_inline_twitter_preview('http://twitter.com/wdaher/status/287977969287315457', normal_tweet_html))) # A max of 3 will be converted msg = ('http://twitter.com/wdaher/status/287977969287315456 ' 'http://twitter.com/wdaher/status/287977969287315457 ' 'https://twitter.com/wdaher/status/287977969287315456 ' 'http://twitter.com/wdaher/status/287977969287315460') converted = bugdown_convert(msg) self.assertEqual(converted, '

%s %s %s %s

\n%s%s%s' % ( make_link('http://twitter.com/wdaher/status/287977969287315456'), make_link('http://twitter.com/wdaher/status/287977969287315457'), make_link('https://twitter.com/wdaher/status/287977969287315456'), make_link('http://twitter.com/wdaher/status/287977969287315460'), make_inline_twitter_preview('http://twitter.com/wdaher/status/287977969287315456', normal_tweet_html), make_inline_twitter_preview('http://twitter.com/wdaher/status/287977969287315457', normal_tweet_html), make_inline_twitter_preview('https://twitter.com/wdaher/status/287977969287315456', normal_tweet_html))) # Tweet has a mention in a URL, only the URL is linked msg = 'http://twitter.com/wdaher/status/287977969287315458' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

\n%s' % ( make_link('http://twitter.com/wdaher/status/287977969287315458'), make_inline_twitter_preview('http://twitter.com/wdaher/status/287977969287315458', mention_in_link_tweet_html))) # Tweet with an image msg = 'http://twitter.com/wdaher/status/287977969287315459' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

\n%s' % ( make_link('http://twitter.com/wdaher/status/287977969287315459'), make_inline_twitter_preview('http://twitter.com/wdaher/status/287977969287315459', media_tweet_html, ('
' '' '' '' '
')))) msg = 'http://twitter.com/wdaher/status/287977969287315460' converted = bugdown_convert(msg) self.assertEqual(converted, '

%s

\n%s' % ( make_link('http://twitter.com/wdaher/status/287977969287315460'), make_inline_twitter_preview('http://twitter.com/wdaher/status/287977969287315460', emoji_in_tweet_html))) def test_fetch_tweet_data_settings_validation(self) -> None: with self.settings(TEST_SUITE=False, TWITTER_CONSUMER_KEY=None): self.assertIs(None, bugdown.fetch_tweet_data('287977969287315459')) def test_content_has_emoji(self) -> None: self.assertFalse(bugdown.content_has_emoji_syntax('boring')) self.assertFalse(bugdown.content_has_emoji_syntax('hello: world')) self.assertFalse(bugdown.content_has_emoji_syntax(':foobar')) self.assertFalse(bugdown.content_has_emoji_syntax('::: hello :::')) self.assertTrue(bugdown.content_has_emoji_syntax('foo :whatever:')) self.assertTrue(bugdown.content_has_emoji_syntax('\n:whatever:')) self.assertTrue(bugdown.content_has_emoji_syntax(':smile: ::::::')) def test_realm_emoji(self) -> None: def emoji_img(name: str, file_name: str, realm_id: int) -> str: return '%s' % ( name, get_emoji_url(file_name, realm_id), name[1:-1].replace("_", " ")) realm = get_realm('zulip') # Needs to mock an actual message because that's how bugdown obtains the realm msg = Message(sender=self.example_user('hamlet')) converted = bugdown.convert(":green_tick:", message_realm=realm, message=msg) realm_emoji = RealmEmoji.objects.filter(realm=realm, name='green_tick', deactivated=False).get() self.assertEqual(converted, '

%s

' % (emoji_img(':green_tick:', realm_emoji.file_name, realm.id),)) # Deactivate realm emoji. do_remove_realm_emoji(realm, 'green_tick') converted = bugdown.convert(":green_tick:", message_realm=realm, message=msg) self.assertEqual(converted, '

:green_tick:

') def test_deactivated_realm_emoji(self) -> None: # Deactivate realm emoji. realm = get_realm('zulip') do_remove_realm_emoji(realm, 'green_tick') msg = Message(sender=self.example_user('hamlet')) converted = bugdown.convert(":green_tick:", message_realm=realm, message=msg) self.assertEqual(converted, '

:green_tick:

') def test_unicode_emoji(self) -> None: msg = '\u2615' # ☕ converted = bugdown_convert(msg) self.assertEqual(converted, '

:coffee:

') msg = '\u2615\u2615' # ☕☕ converted = bugdown_convert(msg) self.assertEqual(converted, '

:coffee::coffee:

') def test_no_translate_emoticons_if_off(self) -> None: user_profile = self.example_user('othello') do_set_user_display_setting(user_profile, 'translate_emoticons', False) msg = Message(sender=user_profile, sending_client=get_client("test")) content = ':)' expected = '

:)

' converted = render_markdown(msg, content) self.assertEqual(converted, expected) def test_same_markup(self) -> None: msg = '\u2615' # ☕ unicode_converted = bugdown_convert(msg) msg = ':coffee:' # ☕☕ converted = bugdown_convert(msg) self.assertEqual(converted, unicode_converted) def test_links_in_topic_name(self) -> None: realm = get_realm('zulip') msg = Message(sender=self.example_user('othello')) msg.set_topic_name("https://google.com/hello-world") converted_topic = bugdown.topic_links(realm.id, msg.topic_name()) self.assertEqual(converted_topic, ['https://google.com/hello-world']) msg.set_topic_name("http://google.com/hello-world") converted_topic = bugdown.topic_links(realm.id, msg.topic_name()) self.assertEqual(converted_topic, ['http://google.com/hello-world']) msg.set_topic_name("Without scheme google.com/hello-world") converted_topic = bugdown.topic_links(realm.id, msg.topic_name()) self.assertEqual(converted_topic, ['https://google.com/hello-world']) msg.set_topic_name("Without scheme random.words/hello-world") converted_topic = bugdown.topic_links(realm.id, msg.topic_name()) self.assertEqual(converted_topic, []) msg.set_topic_name("Try out http://ftp.debian.org, https://google.com/ and https://google.in/.") converted_topic = bugdown.topic_links(realm.id, msg.topic_name()) self.assertEqual(converted_topic, ['http://ftp.debian.org', 'https://google.com/', 'https://google.in/']) def test_realm_patterns(self) -> None: realm = get_realm('zulip') url_format_string = r"https://trac.example.com/ticket/%(id)s" realm_filter = RealmFilter(realm=realm, pattern=r"#(?P[0-9]{2,8})", url_format_string=url_format_string) realm_filter.save() self.assertEqual( realm_filter.__str__(), '[0-9]{2,8})' ' https://trac.example.com/ticket/%(id)s>') msg = Message(sender=self.example_user('othello')) msg.set_topic_name("#444") flush_per_request_caches() content = "We should fix #224 and #115, but not issue#124 or #1124z or [trac #15](https://trac.example.com/ticket/16) today." converted = bugdown.convert(content, message_realm=realm, message=msg) converted_topic = bugdown.topic_links(realm.id, msg.topic_name()) self.assertEqual(converted, '

We should fix #224 and #115, but not issue#124 or #1124z or trac #15 today.

') self.assertEqual(converted_topic, ['https://trac.example.com/ticket/444']) msg.set_topic_name("#444 https://google.com") converted_topic = bugdown.topic_links(realm.id, msg.topic_name()) self.assertEqual(converted_topic, ['https://trac.example.com/ticket/444', 'https://google.com']) RealmFilter(realm=realm, pattern=r'#(?P[a-zA-Z]+-[0-9]+)', url_format_string=r'https://trac.example.com/ticket/%(id)s').save() msg = Message(sender=self.example_user('hamlet')) content = '#ZUL-123 was fixed and code was deployed to production, also #zul-321 was deployed to staging' converted = bugdown.convert(content, message_realm=realm, message=msg) self.assertEqual(converted, '

#ZUL-123 was fixed and code was deployed to production, also #zul-321 was deployed to staging

') def assert_conversion(content: str, convert: bool=True) -> None: converted = bugdown.convert(content, message_realm=realm, message=msg) converted_topic = bugdown.topic_links(realm.id, content) if convert: self.assertTrue('trac.example.com' in converted) self.assertEqual(len(converted_topic), 1) self.assertTrue('trac.example.com' in converted_topic[0]) else: self.assertTrue('trac.example.com' not in converted) self.assertEqual(len(converted_topic), 0) assert_conversion('Hello #123 World') assert_conversion('Hello #123World', False) assert_conversion('Hello#123 World', False) assert_conversion('Hello#123World', False) # Ideally, these should be converted, but bugdown doesn't # handle word boundary detection in languages that don't use # whitespace for that correctly yet. assert_conversion('チケットは#123です', False) assert_conversion('チケットは #123です', False) assert_conversion('チケットは#123 です', False) assert_conversion('チケットは #123 です') assert_conversion('(#123)') assert_conversion('#123>') assert_conversion('"#123"') assert_conversion('#123@') assert_conversion(')#123(', False) assert_conversion('##123', False) # test nested realm patterns should avoid double matching RealmFilter(realm=realm, pattern=r'hello#(?P[0-9]+)', url_format_string=r'https://trac.example.com/hello/%(id)s').save() converted_topic = bugdown.topic_links(realm.id, 'hello#123 #234') self.assertEqual(converted_topic, ['https://trac.example.com/ticket/234', 'https://trac.example.com/hello/123']) def test_maybe_update_markdown_engines(self) -> None: realm = get_realm('zulip') url_format_string = r"https://trac.example.com/ticket/%(id)s" realm_filter = RealmFilter(realm=realm, pattern=r"#(?P[0-9]{2,8})", url_format_string=url_format_string) realm_filter.save() bugdown.realm_filter_data = {} bugdown.maybe_update_markdown_engines(None, False) all_filters = bugdown.realm_filter_data zulip_filters = all_filters[realm.id] self.assertEqual(len(zulip_filters), 1) self.assertEqual(zulip_filters[0], ('#(?P[0-9]{2,8})', 'https://trac.example.com/ticket/%(id)s', realm_filter.id)) def test_flush_realm_filter(self) -> None: realm = get_realm('zulip') def flush() -> None: ''' flush_realm_filter is a post-save hook, so calling it directly for testing is kind of awkward ''' class Instance: realm_id: Optional[int] = None instance = Instance() instance.realm_id = realm.id flush_realm_filter(sender=None, instance=instance) def save_new_realm_filter() -> None: realm_filter = RealmFilter(realm=realm, pattern=r"whatever", url_format_string='whatever') realm_filter.save() # start fresh for our realm flush() self.assertFalse(realm_in_local_realm_filters_cache(realm.id)) # call this just for side effects of populating the cache realm_filters_for_realm(realm.id) self.assertTrue(realm_in_local_realm_filters_cache(realm.id)) # Saving a new RealmFilter should have the side effect of # flushing the cache. save_new_realm_filter() self.assertFalse(realm_in_local_realm_filters_cache(realm.id)) # and flush it one more time, to make sure we don't get a KeyError flush() self.assertFalse(realm_in_local_realm_filters_cache(realm.id)) def test_realm_patterns_negative(self) -> None: realm = get_realm('zulip') RealmFilter(realm=realm, pattern=r"#(?P[0-9]{2,8})", url_format_string=r"https://trac.example.com/ticket/%(id)s").save() boring_msg = Message(sender=self.example_user('othello')) boring_msg.set_topic_name("no match here") converted_boring_topic = bugdown.topic_links(realm.id, boring_msg.topic_name()) self.assertEqual(converted_boring_topic, []) def test_is_status_message(self) -> None: user_profile = self.example_user('othello') msg = Message(sender=user_profile, sending_client=get_client("test")) content = '/me makes a list\n* one\n* two' rendered_content = render_markdown(msg, content) self.assertEqual( rendered_content, '

/me makes a list

\n
    \n
  • one
    • \n
  • two
    • \n
', ) self.assertTrue(Message.is_status_message(content, rendered_content)) content = '/me takes a walk' rendered_content = render_markdown(msg, content) self.assertEqual( rendered_content, '

/me takes a walk

', ) self.assertTrue(Message.is_status_message(content, rendered_content)) content = '/me writes a second line\nline' rendered_content = render_markdown(msg, content) self.assertEqual( rendered_content, '

/me writes a second line
\nline

', ) self.assertTrue(Message.is_status_message(content, rendered_content)) def test_alert_words(self) -> None: user_profile = self.example_user('othello') do_add_alert_words(user_profile, ["ALERTWORD", "scaryword"]) msg = Message(sender=user_profile, sending_client=get_client("test")) realm_alert_words_automaton = get_alert_word_automaton(user_profile.realm) def render(msg: Message, content: str) -> str: return render_markdown(msg, content, realm_alert_words_automaton=realm_alert_words_automaton, user_ids={user_profile.id}) content = "We have an ALERTWORD day today!" self.assertEqual(render(msg, content), "

We have an ALERTWORD day today!

") self.assertEqual(msg.user_ids_with_alert_words, {user_profile.id}) msg = Message(sender=user_profile, sending_client=get_client("test")) content = "We have a NOTHINGWORD day today!" self.assertEqual(render(msg, content), "

We have a NOTHINGWORD day today!

") self.assertEqual(msg.user_ids_with_alert_words, set()) def test_alert_words_returns_user_ids_with_alert_words(self) -> None: alert_words_for_users: Dict[str, List[str]] = { 'hamlet': ['how'], 'cordelia': ['this possible'], 'iago': ['hello'], 'prospero': ['hello'], 'othello': ['how are you'], 'aaron': ['hey'], } user_profiles: Dict[str, UserProfile] = {} user_ids: Set[int] = set() for (username, alert_words) in alert_words_for_users.items(): user_profile = self.example_user(username) user_profiles.update({username: user_profile}) user_ids.add(user_profile.id) do_add_alert_words(user_profile, alert_words) sender_user_profile = self.example_user('polonius') user_ids.add(sender_user_profile.id) msg = Message(sender=sender_user_profile, sending_client=get_client("test")) realm_alert_words_automaton = get_alert_word_automaton(sender_user_profile.realm) def render(msg: Message, content: str) -> str: return render_markdown(msg, content, realm_alert_words_automaton=realm_alert_words_automaton, user_ids = user_ids) content = "hello how is this possible how are you doing today" render(msg, content) expected_user_ids: Set[int] = { user_profiles['hamlet'].id, user_profiles['cordelia'].id, user_profiles['iago'].id, user_profiles['prospero'].id, user_profiles['othello'].id, } # All users except aaron have their alert word appear in the message content self.assertEqual(msg.user_ids_with_alert_words, expected_user_ids) def test_alert_words_returns_user_ids_with_alert_words_1(self) -> None: alert_words_for_users: Dict[str, List[str]] = { 'hamlet': ['provisioning', 'Prod deployment'], 'cordelia': ['test', 'Prod'], 'iago': ['prod'], 'prospero': ['deployment'], 'othello': ['last'], } user_profiles: Dict[str, UserProfile] = {} user_ids: Set[int] = set() for (username, alert_words) in alert_words_for_users.items(): user_profile = self.example_user(username) user_profiles.update({username: user_profile}) user_ids.add(user_profile.id) do_add_alert_words(user_profile, alert_words) sender_user_profile = self.example_user('polonius') user_ids.add(sender_user_profile.id) msg = Message(sender=sender_user_profile, sending_client=get_client("test")) realm_alert_words_automaton = get_alert_word_automaton(sender_user_profile.realm) def render(msg: Message, content: str) -> str: return render_markdown(msg, content, realm_alert_words_automaton=realm_alert_words_automaton, user_ids = user_ids) content = """Hello, everyone. Prod deployment has been completed And this is a new line to test out how markdown convert this into something line ending splitted array and this is a new line last""" render(msg, content) expected_user_ids: Set[int] = { user_profiles['hamlet'].id, user_profiles['cordelia'].id, user_profiles['iago'].id, user_profiles['prospero'].id, user_profiles['othello'].id, } # All users have their alert word appear in the message content self.assertEqual(msg.user_ids_with_alert_words, expected_user_ids) def test_alert_words_returns_user_ids_with_alert_words_in_french(self) -> None: alert_words_for_users: Dict[str, List[str]] = { 'hamlet': ['réglementaire', 'une politique', 'une merveille'], 'cordelia': ['énormément', 'Prod'], 'iago': ['prod'], 'prospero': ['deployment'], 'othello': ['last'], } user_profiles: Dict[str, UserProfile] = {} user_ids: Set[int] = set() for (username, alert_words) in alert_words_for_users.items(): user_profile = self.example_user(username) user_profiles.update({username: user_profile}) user_ids.add(user_profile.id) do_add_alert_words(user_profile, alert_words) sender_user_profile = self.example_user('polonius') user_ids.add(sender_user_profile.id) msg = Message(sender=sender_user_profile, sending_client=get_client("test")) realm_alert_words_automaton = get_alert_word_automaton(sender_user_profile.realm) def render(msg: Message, content: str) -> str: return render_markdown(msg, content, realm_alert_words_automaton=realm_alert_words_automaton, user_ids = user_ids) content = """This is to test out alert words work in languages with accented characters too bonjour est (énormément) ce a quoi ressemble le français et j'espère qu'il n'y n' réglementaire a pas de mots d'alerte dans ce texte français """ render(msg, content) expected_user_ids: Set[int] = {user_profiles['hamlet'].id, user_profiles['cordelia'].id} # Only hamlet and cordelia have their alert-words appear in the message content self.assertEqual(msg.user_ids_with_alert_words, expected_user_ids) def test_alert_words_returns_empty_user_ids_with_alert_words(self) -> None: alert_words_for_users: Dict[str, List[str]] = { 'hamlet': [], 'cordelia': [], 'iago': [], 'prospero': [], 'othello': [], 'aaron': [], } user_profiles: Dict[str, UserProfile] = {} user_ids: Set[int] = set() for (username, alert_words) in alert_words_for_users.items(): user_profile = self.example_user(username) user_profiles.update({username: user_profile}) do_add_alert_words(user_profile, alert_words) sender_user_profile = self.example_user('polonius') msg = Message(sender=user_profile, sending_client=get_client("test")) realm_alert_words_automaton = get_alert_word_automaton(sender_user_profile.realm) def render(msg: Message, content: str) -> str: return render_markdown(msg, content, realm_alert_words_automaton=realm_alert_words_automaton, user_ids = user_ids) content = """hello how is this possible how are you doing today This is to test that the no user_ids who have alrert wourldword is participating in sending of the message """ render(msg, content) expected_user_ids: Set[int] = set() # None of the users have their alert-words appear in the message content self.assertEqual(msg.user_ids_with_alert_words, expected_user_ids) def get_mock_alert_words(self, num_words: int, word_length: int) -> List[str]: alert_words = ['x' * word_length] * num_words # type List[str] return alert_words def test_alert_words_with_empty_alert_words(self) -> None: alert_words_for_users: Dict[str, List[str]] = { 'hamlet': [], 'cordelia': [], 'iago': [], 'othello': [], } user_profiles: Dict[str, UserProfile] = {} user_ids: Set[int] = set() for (username, alert_words) in alert_words_for_users.items(): user_profile = self.example_user(username) user_profiles.update({username: user_profile}) do_add_alert_words(user_profile, alert_words) sender_user_profile = self.example_user('polonius') user_ids = {user_profiles['hamlet'].id, user_profiles['iago'].id, user_profiles['othello'].id} msg = Message(sender=sender_user_profile, sending_client=get_client("test")) realm_alert_words_automaton = get_alert_word_automaton(sender_user_profile.realm) def render(msg: Message, content: str) -> str: return render_markdown(msg, content, realm_alert_words_automaton=realm_alert_words_automaton, user_ids = user_ids) content = """This is to test a empty alert words i.e. no user has any alert-words set""" render(msg, content) expected_user_ids: Set[int] = set() self.assertEqual(msg.user_ids_with_alert_words, expected_user_ids) def test_alert_words_retuns_user_ids_with_alert_words_with_huge_alert_words(self) -> None: alert_words_for_users: Dict[str, List[str]] = { 'hamlet': ['issue124'], 'cordelia': self.get_mock_alert_words(500, 10), 'iago': self.get_mock_alert_words(500, 10), 'othello': self.get_mock_alert_words(500, 10), } user_profiles: Dict[str, UserProfile] = {} user_ids: Set[int] = set() for (username, alert_words) in alert_words_for_users.items(): user_profile = self.example_user(username) user_profiles.update({username: user_profile}) do_add_alert_words(user_profile, alert_words) sender_user_profile = self.example_user('polonius') user_ids = {user_profiles['hamlet'].id, user_profiles['iago'].id, user_profiles['othello'].id} msg = Message(sender=sender_user_profile, sending_client=get_client("test")) realm_alert_words_automaton = get_alert_word_automaton(sender_user_profile.realm) def render(msg: Message, content: str) -> str: return render_markdown(msg, content, realm_alert_words_automaton=realm_alert_words_automaton, user_ids = user_ids) content = """The code above will print 10 random values of numbers between 1 and 100. The second line, for x in range(10), determines how many values will be printed (when you use range(x), the number that you use in place of x will be the amount of values that you'll have printed. if you want 20 values, use range(20). use range(5) if you only want 5 values returned, etc.). I was talking abou the issue124 on github. Then the third line: print random.randint(1,101) will automatically select a random integer between 1 and 100 for you. The process is fairly simple """ render(msg, content) expected_user_ids: Set[int] = {user_profiles['hamlet'].id} # Only hamlet has alert-word 'issue124' present in the message content self.assertEqual(msg.user_ids_with_alert_words, expected_user_ids) def test_default_code_block_language(self) -> None: realm = get_realm('zulip') self.assertEqual(realm.default_code_block_language, None) text = "```{}\nconsole.log('Hello World');\n```\n" # Render without default language msg_with_js = bugdown_convert(text.format('js')) msg_with_python = bugdown_convert(text.format('python')) msg_without_language = bugdown_convert(text.format('')) msg_with_quote = bugdown_convert(text.format('quote')) msg_with_math = bugdown_convert(text.format('math')) # Render with default=javascript do_set_realm_property(realm, 'default_code_block_language', 'javascript') msg_without_language_default_js = bugdown_convert(text.format('')) msg_with_python_default_js = bugdown_convert(text.format('python')) # Render with default=python do_set_realm_property(realm, 'default_code_block_language', 'python') msg_without_language_default_py = bugdown_convert(text.format('')) msg_with_none_default_py = bugdown_convert(text.format('none')) # Render with default=quote do_set_realm_property(realm, 'default_code_block_language', 'quote') msg_without_language_default_quote = bugdown_convert(text.format('')) # Render with default=math do_set_realm_property(realm, 'default_code_block_language', 'math') msg_without_language_default_math = bugdown_convert(text.format('')) # Render without default language do_set_realm_property(realm, 'default_code_block_language', None) msg_without_language_final = bugdown_convert(text.format('')) self.assertTrue(msg_with_js == msg_without_language_default_js) self.assertTrue(msg_with_python == msg_with_python_default_js == msg_without_language_default_py) self.assertTrue(msg_with_quote == msg_without_language_default_quote) self.assertTrue(msg_with_math == msg_without_language_default_math) self.assertTrue(msg_without_language == msg_with_none_default_py == msg_without_language_final) # Test checking inside nested quotes nested_text = "````quote\n\n{}\n\n{}````".format(text.format('js'), text.format('')) do_set_realm_property(realm, 'default_code_block_language', 'javascript') rendered = bugdown_convert(nested_text) with_language, without_language = re.findall(r'
(.*?)$', rendered, re.MULTILINE)
        self.assertTrue(with_language == without_language)

        do_set_realm_property(realm, 'default_code_block_language', None)
        rendered = bugdown_convert(nested_text)
        with_language, without_language = re.findall(r'
(.*?)$', rendered, re.MULTILINE)
        self.assertFalse(with_language == without_language)

    def test_mention_wildcard(self) -> None:
        user_profile = self.example_user('othello')
        msg = Message(sender=user_profile, sending_client=get_client("test"))

        content = "@**all** test"
        self.assertEqual(render_markdown(msg, content),
                         '
'
                         '@all'
                         ' test
')
        self.assertTrue(msg.mentions_wildcard)

    def test_mention_everyone(self) -> None:
        user_profile = self.example_user('othello')
        msg = Message(sender=user_profile, sending_client=get_client("test"))

        content = "@**everyone** test"
        self.assertEqual(render_markdown(msg, content),
                         '
'
                         '@everyone'
                         ' test
')
        self.assertTrue(msg.mentions_wildcard)

    def test_mention_stream(self) -> None:
        user_profile = self.example_user('othello')
        msg = Message(sender=user_profile, sending_client=get_client("test"))

        content = "@**stream** test"
        self.assertEqual(render_markdown(msg, content),
                         '
'
                         '@stream'
                         ' test
')
        self.assertTrue(msg.mentions_wildcard)

    def test_mention_at_wildcard(self) -> None:
        user_profile = self.example_user('othello')
        msg = Message(sender=user_profile, sending_client=get_client("test"))

        content = "@all test"
        self.assertEqual(render_markdown(msg, content),
                         '
@all test
')
        self.assertFalse(msg.mentions_wildcard)
        self.assertEqual(msg.mentions_user_ids, set())

    def test_mention_at_everyone(self) -> None:
        user_profile = self.example_user('othello')
        msg = Message(sender=user_profile, sending_client=get_client("test"))

        content = "@everyone test"
        self.assertEqual(render_markdown(msg, content),
                         '
@everyone test
')
        self.assertFalse(msg.mentions_wildcard)
        self.assertEqual(msg.mentions_user_ids, set())

    def test_mention_word_starting_with_at_wildcard(self) -> None:
        user_profile = self.example_user('othello')
        msg = Message(sender=user_profile, sending_client=get_client("test"))

        content = "test @alleycat.com test"
        self.assertEqual(render_markdown(msg, content),
                         '
test @alleycat.com test
')
        self.assertFalse(msg.mentions_wildcard)
        self.assertEqual(msg.mentions_user_ids, set())

    def test_mention_at_normal_user(self) -> None:
        user_profile = self.example_user('othello')
        msg = Message(sender=user_profile, sending_client=get_client("test"))

        content = "@aaron test"
        self.assertEqual(render_markdown(msg, content),
                         '
@aaron test
')
        self.assertFalse(msg.mentions_wildcard)
        self.assertEqual(msg.mentions_user_ids, set())

    def test_mention_single(self) -> None:
        sender_user_profile = self.example_user('othello')
        user_profile = self.example_user('hamlet')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        user_id = user_profile.id

        content = "@**King Hamlet**"
        self.assertEqual(render_markdown(msg, content),
                         '
'
                         '@King Hamlet
' % (user_id,))
        self.assertEqual(msg.mentions_user_ids, {user_profile.id})

    def test_mention_silent(self) -> None:
        sender_user_profile = self.example_user('othello')
        user_profile = self.example_user('hamlet')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        user_id = user_profile.id

        content = "@_**King Hamlet**"
        self.assertEqual(render_markdown(msg, content),
                         '
'
                         'King Hamlet
' % (user_id,))
        self.assertEqual(msg.mentions_user_ids, set())

    def test_possible_mentions(self) -> None:
        def assert_mentions(content: str, names: Set[str], has_wildcards: Optional[bool]=False) -> None:
            self.assertEqual(possible_mentions(content), (names, has_wildcards))

        assert_mentions('', set())
        assert_mentions('boring', set())
        assert_mentions('@**all**', set(), True)
        assert_mentions('smush@**steve**smush', set())

        assert_mentions(
            'Hello @**King Hamlet** and @**Cordelia Lear**\n@**Foo van Barson|1234** @**all**',
            {'King Hamlet', 'Cordelia Lear', 'Foo van Barson|1234'}, True,
        )

    def test_mention_multiple(self) -> None:
        sender_user_profile = self.example_user('othello')
        hamlet = self.example_user('hamlet')
        cordelia = self.example_user('cordelia')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))

        content = "@**King Hamlet** and @**Cordelia Lear**, check this out"

        self.assertEqual(render_markdown(msg, content),
                         '
'
                         '@King Hamlet and '
                         '@Cordelia Lear, '
                         'check this out
' % (hamlet.id, cordelia.id))
        self.assertEqual(msg.mentions_user_ids, {hamlet.id, cordelia.id})

    def test_mention_in_quotes(self) -> None:
        othello = self.example_user('othello')
        hamlet = self.example_user('hamlet')
        cordelia = self.example_user('cordelia')
        msg = Message(sender=othello, sending_client=get_client("test"))

        content = "> @**King Hamlet** and @**Othello, the Moor of Venice**\n\n @**King Hamlet** and @**Cordelia Lear**"
        self.assertEqual(render_markdown(msg, content),
                         '
\n
'
                         'King Hamlet'
                         ' and '
                         'Othello, the Moor of Venice'
                         '
\n
\n'
                         '
'
                         '@King Hamlet'
                         ' and '
                         '@Cordelia Lear'
                         '
' % (hamlet.id, othello.id, hamlet.id, cordelia.id))
        self.assertEqual(msg.mentions_user_ids, {hamlet.id, cordelia.id})

        # Both fenced quote and > quote should be identical for both silent and regular syntax.
        expected = ('
\n
'
                    'King Hamlet'
                    '
\n
' % (hamlet.id,))
        content = "```quote\n@**King Hamlet**\n```"
        self.assertEqual(render_markdown(msg, content), expected)
        self.assertEqual(msg.mentions_user_ids, set())
        content = "> @**King Hamlet**"
        self.assertEqual(render_markdown(msg, content), expected)
        self.assertEqual(msg.mentions_user_ids, set())
        content = "```quote\n@_**King Hamlet**\n```"
        self.assertEqual(render_markdown(msg, content), expected)
        self.assertEqual(msg.mentions_user_ids, set())
        content = "> @_**King Hamlet**"
        self.assertEqual(render_markdown(msg, content), expected)
        self.assertEqual(msg.mentions_user_ids, set())

    def test_mention_duplicate_full_name(self) -> None:
        realm = get_realm('zulip')

        def make_user(email: str, full_name: str) -> UserProfile:
            return create_user(
                email=email,
                password='whatever',
                realm=realm,
                full_name=full_name,
                short_name='whatever',
            )

        sender_user_profile = self.example_user('othello')
        twin1 = make_user('twin1@example.com', 'Mark Twin')
        twin2 = make_user('twin2@example.com', 'Mark Twin')
        cordelia = self.example_user('cordelia')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))

        content = f"@**Mark Twin|{twin1.id}**, @**Mark Twin|{twin2.id}** and @**Cordelia Lear**, hi."

        self.assertEqual(render_markdown(msg, content),
                         '
'
                         '@Mark Twin, '
                         '@Mark Twin and '
                         '@Cordelia Lear, '
                         'hi.
' % (twin1.id, twin2.id, cordelia.id))
        self.assertEqual(msg.mentions_user_ids, {twin1.id, twin2.id, cordelia.id})

    def test_mention_invalid(self) -> None:
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))

        content = "Hey @**Nonexistent User**"
        self.assertEqual(render_markdown(msg, content),
                         '
Hey @Nonexistent User
')
        self.assertEqual(msg.mentions_user_ids, set())

    def test_user_mention_atomic_string(self) -> None:
        sender_user_profile = self.example_user('othello')
        realm = get_realm('zulip')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        # Create a linkifier.
        url_format_string = r"https://trac.example.com/ticket/%(id)s"
        realm_filter = RealmFilter(realm=realm,
                                   pattern=r"#(?P[0-9]{2,8})",
                                   url_format_string=url_format_string)
        realm_filter.save()
        self.assertEqual(
            realm_filter.__str__(),
            '[0-9]{2,8})'
            ' https://trac.example.com/ticket/%(id)s>')
        # Create a user that potentially interferes with the pattern.
        test_user = create_user(email='atomic@example.com',
                                password='whatever',
                                realm=realm,
                                full_name='Atomic #123',
                                short_name='whatever')
        content = "@**Atomic #123**"
        self.assertEqual(render_markdown(msg, content),
                         '
'
                         '@Atomic #123
' % (test_user.id,))
        self.assertEqual(msg.mentions_user_ids, {test_user.id})
        content = "@_**Atomic #123**"
        self.assertEqual(render_markdown(msg, content),
                         '
'
                         'Atomic #123
' % (test_user.id,))
        self.assertEqual(msg.mentions_user_ids, set())

    def create_user_group_for_test(self, user_group_name: str) -> UserGroup:
        othello = self.example_user('othello')
        return create_user_group(user_group_name, [othello], get_realm('zulip'))

    def test_user_group_mention_single(self) -> None:
        sender_user_profile = self.example_user('othello')
        user_profile = self.example_user('hamlet')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        user_id = user_profile.id
        user_group = self.create_user_group_for_test('support')

        content = "@**King Hamlet** @*support*"
        self.assertEqual(render_markdown(msg, content),
                         '
'
                         '@King Hamlet '
                         ''
                         '@support
' % (user_id,
                                                  user_group.id))
        self.assertEqual(msg.mentions_user_ids, {user_profile.id})
        self.assertEqual(msg.mentions_user_group_ids, {user_group.id})

    def test_user_group_mention_atomic_string(self) -> None:
        sender_user_profile = self.example_user('othello')
        realm = get_realm('zulip')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        user_profile = self.example_user('hamlet')
        # Create a linkifier.
        url_format_string = r"https://trac.example.com/ticket/%(id)s"
        realm_filter = RealmFilter(realm=realm,
                                   pattern=r"#(?P[0-9]{2,8})",
                                   url_format_string=url_format_string)
        realm_filter.save()
        self.assertEqual(
            realm_filter.__str__(),
            '[0-9]{2,8})'
            ' https://trac.example.com/ticket/%(id)s>')
        # Create a user-group that potentially interferes with the pattern.
        user_id = user_profile.id
        user_group = self.create_user_group_for_test('support #123')

        content = "@**King Hamlet** @*support #123*"
        self.assertEqual(render_markdown(msg, content),
                         '
'
                         '@King Hamlet '
                         ''
                         '@support #123
' % (user_id,
                                                       user_group.id))
        self.assertEqual(msg.mentions_user_ids, {user_profile.id})
        self.assertEqual(msg.mentions_user_group_ids, {user_group.id})

    def test_possible_user_group_mentions(self) -> None:
        def assert_mentions(content: str, names: Set[str]) -> None:
            self.assertEqual(possible_user_group_mentions(content), names)

        assert_mentions('', set())
        assert_mentions('boring', set())
        assert_mentions('@**all**', set())
        assert_mentions('smush@*steve*smush', set())

        assert_mentions(
            '@*support* Hello @**King Hamlet** and @**Cordelia Lear**\n'
            '@**Foo van Barson** @**all**', {'support'},
        )

        assert_mentions(
            'Attention @*support*, @*frontend* and @*backend*\ngroups.',
            {'support', 'frontend', 'backend'},
        )

    def test_user_group_mention_multiple(self) -> None:
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        support = self.create_user_group_for_test('support')
        backend = self.create_user_group_for_test('backend')

        content = "@*support* and @*backend*, check this out"
        self.assertEqual(render_markdown(msg, content),
                         '
'
                         ''
                         '@support '
                         'and '
                         ''
                         '@backend, '
                         'check this out'
                         '
' % (support.id, backend.id))

        self.assertEqual(msg.mentions_user_group_ids, {support.id, backend.id})

    def test_user_group_mention_edit(self) -> None:
        sender_user_profile = self.example_user('hamlet')
        user_profile = self.example_user('othello')
        self.create_user_group_for_test('support')
        self.login('hamlet')

        msg_id = self.send_stream_message(sender_user_profile,
                                          "Denmark",
                                          topic_name="editing",
                                          content='test')

        def update_message_and_check_flag(content: str, mentioned: bool) -> None:
            result = self.client_patch("/json/messages/" + str(msg_id), {
                'message_id': msg_id, 'content': content,
            })
            self.assert_json_success(result)
            um = UserMessage.objects.get(
                user_profile_id=user_profile.id,
                message_id=msg_id,
            )
            if mentioned:
                self.assertIn('mentioned', um.flags_list())
            else:
                self.assertNotIn('mentioned', um.flags_list())

        update_message_and_check_flag("@*support*", True)
        update_message_and_check_flag("@*support-invalid* edited", False)
        update_message_and_check_flag("@*support* edited", True)
        update_message_and_check_flag("edited", False)
        update_message_and_check_flag("@*support*", True)

    def test_user_group_mention_invalid(self) -> None:
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))

        content = "Hey @*Nonexistent group*"
        self.assertEqual(render_markdown(msg, content),
                         '
Hey @Nonexistent group
')
        self.assertEqual(msg.mentions_user_group_ids, set())

    def test_stream_single(self) -> None:
        denmark = get_stream('Denmark', get_realm('zulip'))
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        content = "#**Denmark**"
        self.assertEqual(
            render_markdown(msg, content),
            '
#{d.name}
'.format(
                d=denmark,
            ))

    def test_stream_multiple(self) -> None:
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        realm = get_realm('zulip')
        denmark = get_stream('Denmark', realm)
        scotland = get_stream('Scotland', realm)
        content = "Look to #**Denmark** and #**Scotland**, there something"
        self.assertEqual(render_markdown(msg, content),
                         '
Look to '
                         '#{denmark.name} and '
                         '#{scotland.name}, '
                         'there something
'.format(denmark=denmark, scotland=scotland))

    def test_stream_case_sensitivity(self) -> None:
        realm = get_realm('zulip')
        case_sens = Stream.objects.create(name='CaseSens', realm=realm)
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        content = "#**CaseSens**"
        self.assertEqual(
            render_markdown(msg, content),
            '
#{s.name}
'.format(
                s=case_sens,
            ))

    def test_stream_case_sensitivity_nonmatching(self) -> None:
        """#StreamName requires the stream be spelled with the correct case
        currently.  If we change that in the future, we'll need to change this
        test."""
        realm = get_realm('zulip')
        Stream.objects.create(name='CaseSens', realm=realm)
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        content = "#**casesens**"
        self.assertEqual(
            render_markdown(msg, content),
            '
#casesens
')

    def test_topic_single(self) -> None:
        denmark = get_stream('Denmark', get_realm('zulip'))
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        content = "#**Denmark>some topic**"
        self.assertEqual(
            render_markdown(msg, content),
            '
#{d.name} > some topic
'.format(
                d=denmark,
            ))

    def test_topic_atomic_string(self) -> None:
        realm = get_realm('zulip')
        # Create a linkifier.
        sender_user_profile = self.example_user('othello')
        url_format_string = r"https://trac.example.com/ticket/%(id)s"
        realm_filter = RealmFilter(realm=realm,
                                   pattern=r"#(?P[0-9]{2,8})",
                                   url_format_string=url_format_string)
        realm_filter.save()
        self.assertEqual(
            realm_filter.__str__(),
            '[0-9]{2,8})'
            ' https://trac.example.com/ticket/%(id)s>')
        # Create a topic link that potentially interferes with the pattern.
        denmark = get_stream('Denmark', realm)
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        content = "#**Denmark>#1234**"
        self.assertEqual(
            render_markdown(msg, content),
            '
#{d.name} > #1234
'.format(
                d=denmark,
            ))

    def test_topic_multiple(self) -> None:
        denmark = get_stream('Denmark', get_realm('zulip'))
        scotland = get_stream('Scotland', get_realm('zulip'))
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        content = "This has two links: #**Denmark>some topic** and #**Scotland>other topic**."
        self.assertEqual(
            render_markdown(msg, content),
            '
This has two links: '
            ''
            '#{denmark.name} > some topic'
            ' and '
            ''
            '#{scotland.name} > other topic'
            '.
'.format(denmark=denmark, scotland=scotland))

    def test_possible_stream_names(self) -> None:
        content = '''#**test here**
            This mentions #**Denmark** too.
            #**garçon** #**천국** @**Ignore Person**
        '''
        self.assertEqual(
            bugdown.possible_linked_stream_names(content),
            {'test here', 'Denmark', 'garçon', '천국'},
        )

    def test_stream_unicode(self) -> None:
        realm = get_realm('zulip')
        uni = Stream.objects.create(name='привет', realm=realm)
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        content = "#**привет**"
        quoted_name = '.D0.BF.D1.80.D0.B8.D0.B2.D0.B5.D1.82'
        href = f'/#narrow/stream/{uni.id}-{quoted_name}'
        self.assertEqual(
            render_markdown(msg, content),
            '
#{s.name}
'.format(
                s=uni,
                href=href,
            ))

    def test_stream_atomic_string(self) -> None:
        realm = get_realm('zulip')
        # Create a linkifier.
        sender_user_profile = self.example_user('othello')
        url_format_string = r"https://trac.example.com/ticket/%(id)s"
        realm_filter = RealmFilter(realm=realm,
                                   pattern=r"#(?P[0-9]{2,8})",
                                   url_format_string=url_format_string)
        realm_filter.save()
        self.assertEqual(
            realm_filter.__str__(),
            '[0-9]{2,8})'
            ' https://trac.example.com/ticket/%(id)s>')
        # Create a stream that potentially interferes with the pattern.
        stream = Stream.objects.create(name='Stream #1234', realm=realm)
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))
        content = "#**Stream #1234**"
        href = f'/#narrow/stream/{stream.id}-Stream-.231234'
        self.assertEqual(
            render_markdown(msg, content),
            '
#{s.name}
'.format(
                s=stream,
                href=href,
            ))

    def test_stream_invalid(self) -> None:
        sender_user_profile = self.example_user('othello')
        msg = Message(sender=sender_user_profile, sending_client=get_client("test"))

        content = "There #**Nonexistentstream**"
        self.assertEqual(render_markdown(msg, content),
                         '
There #Nonexistentstream
')
        self.assertEqual(msg.mentions_user_ids, set())

    def test_image_preview_title(self) -> None:
        msg = '[My favorite image](https://example.com/testimage.png)'
        converted = bugdown_convert(msg)
        self.assertEqual(
            converted,
            '
'
            'My favorite image'
            '
\n'
            '
'
            ''
            ''
            ''
            '
',
        )

    def test_mit_rendering(self) -> None:
        """Test the markdown configs for the MIT Zephyr mirroring system;
        verifies almost all inline patterns are disabled, but
        inline_interesting_links is still enabled"""
        msg = "**test**"
        realm = get_realm("zephyr")
        client = get_client("zephyr_mirror")
        message = Message(sending_client=client,
                          sender=self.mit_user("sipbtest"))
        converted = bugdown.convert(msg, message_realm=realm, message=message)
        self.assertEqual(
            converted,
            "
**test**
",
        )
        msg = "* test"
        converted = bugdown.convert(msg, message_realm=realm, message=message)
        self.assertEqual(
            converted,
            "
* test
",
        )
        msg = "https://lists.debian.org/debian-ctte/2014/02/msg00173.html"
        converted = bugdown.convert(msg, message_realm=realm, message=message)
        self.assertEqual(
            converted,
            '
https://lists.debian.org/debian-ctte/2014/02/msg00173.html
',
        )

    def test_url_to_a(self) -> None:
        url = 'javascript://example.com/invalidURL'
        converted = bugdown.url_to_a(db_data=None, url=url, text=url)
        self.assertEqual(
            converted,
            'javascript://example.com/invalidURL',
        )

    def test_disabled_code_block_processor(self) -> None:
        msg = "Hello,\n\n" +  \
              "    I am writing this message to test something. I am writing this message to test something."
        converted = bugdown_convert(msg)
        expected_output = '
Hello,
\n' +   \
                          '
I am writing this message to test something. I am writing this message to test something.\n' +     \
                          '
'
        self.assertEqual(converted, expected_output)

        realm = Realm.objects.create(string_id='code_block_processor_test')
        bugdown.maybe_update_markdown_engines(realm.id, True)
        converted = bugdown.convert(msg, message_realm=realm, email_gateway=True)
        expected_output = '
Hello,
\n' +     \
                          '
I am writing this message to test something. I am writing this message to test something.
'
        self.assertEqual(converted, expected_output)

    def test_normal_link(self) -> None:
        realm = get_realm("zulip")
        sender_user_profile = self.example_user('othello')
        message = Message(sender=sender_user_profile, sending_client=get_client("test"))
        msg = "http://example.com/#settings/"

        self.assertEqual(
            bugdown.convert(msg, message_realm=realm, message=message),
            '
http://example.com/#settings/
',
        )

    def test_relative_link(self) -> None:
        realm = get_realm("zulip")
        sender_user_profile = self.example_user('othello')
        message = Message(sender=sender_user_profile, sending_client=get_client("test"))
        msg = "http://zulip.testserver/#narrow/stream/999-hello"

        self.assertEqual(
            bugdown.convert(msg, message_realm=realm, message=message),
            '
http://zulip.testserver/#narrow/stream/999-hello
',
        )

    def test_relative_link_streams_page(self) -> None:
        realm = get_realm("zulip")
        sender_user_profile = self.example_user('othello')
        message = Message(sender=sender_user_profile, sending_client=get_client("test"))
        msg = "http://zulip.testserver/#streams/all"

        self.assertEqual(
            bugdown.convert(msg, message_realm=realm, message=message),
            '
http://zulip.testserver/#streams/all
',
        )

    def test_md_relative_link(self) -> None:
        realm = get_realm("zulip")
        sender_user_profile = self.example_user('othello')
        message = Message(sender=sender_user_profile, sending_client=get_client("test"))
        msg = "[hello](http://zulip.testserver/#narrow/stream/999-hello)"

        self.assertEqual(
            bugdown.convert(msg, message_realm=realm, message=message),
            '
hello
',
        )

class BugdownApiTests(ZulipTestCase):
    def test_render_message_api(self) -> None:
        content = 'That is a **bold** statement'
        result = self.api_post(
            self.example_user("othello"),
            '/api/v1/messages/render',
            dict(content=content),
        )
        self.assert_json_success(result)
        self.assertEqual(result.json()['rendered'],
                         '
That is a bold statement
')

    def test_render_mention_stream_api(self) -> None:
        """Determines whether we're correctly passing the realm context"""
        content = 'This mentions #**Denmark** and @**King Hamlet**.'
        result = self.api_post(
            self.example_user("othello"),
            '/api/v1/messages/render',
            dict(content=content),
        )
        self.assert_json_success(result)
        user_id = self.example_user('hamlet').id
        stream_id = get_stream('Denmark', get_realm('zulip')).id
        self.assertEqual(result.json()['rendered'],
                         '
This mentions #Denmark and @King Hamlet.
' % (stream_id, stream_id, user_id))

class BugdownErrorTests(ZulipTestCase):
    def test_bugdown_error_handling(self) -> None:
        with self.simulated_markdown_failure():
            with self.assertRaises(BugdownRenderingException):
                bugdown_convert('')

    def test_send_message_errors(self) -> None:

        message = 'whatever'
        with self.simulated_markdown_failure():
            # We don't use assertRaisesRegex because it seems to not
            # handle i18n properly here on some systems.
            with self.assertRaises(JsonableError):
                self.send_stream_message(self.example_user("othello"), "Denmark", message)

    def test_ultra_long_rendering(self) -> None:
        """A rendered message with an ultra-long lenght (> 10 * MAX_MESSAGE_LENGTH)
        throws an exception"""
        msg = 'mock rendered message\n' * MAX_MESSAGE_LENGTH

        with mock.patch('zerver.lib.bugdown.timeout', return_value=msg), \
                mock.patch('zerver.lib.bugdown.bugdown_logger'):
            with self.assertRaises(BugdownRenderingException):
                bugdown_convert(msg)

    def test_curl_code_block_validation(self) -> None:
        processor = bugdown.fenced_code.FencedBlockPreprocessor(None)
        processor.run_content_validators = True

        # Simulate code formatting.
        processor.format_code = lambda lang, code: lang + ':' + code  # type: ignore[assignment] # mypy doesn't allow monkey-patching functions
        processor.placeholder = lambda s: '**' + s.strip('\n') + '**'  # type: ignore[assignment] # https://github.com/python/mypy/issues/708

        markdown = [
            '``` curl',
            'curl {{ api_url }}/v1/register',
            '    -u BOT_EMAIL_ADDRESS:BOT_API_KEY',
            '    -d "queue_id=1375801870:2942"',
            '```',
        ]

        with self.assertRaises(BugdownRenderingException):
            processor.run(markdown)

    def test_curl_code_block_without_validation(self) -> None:
        processor = bugdown.fenced_code.FencedBlockPreprocessor(None)

        # Simulate code formatting.
        processor.format_code = lambda lang, code: lang + ':' + code  # type: ignore[assignment] # mypy doesn't allow monkey-patching functions
        processor.placeholder = lambda s: '**' + s.strip('\n') + '**'  # type: ignore[assignment] # https://github.com/python/mypy/issues/708

        markdown = [
            '``` curl',
            'curl {{ api_url }}/v1/register',
            '    -u BOT_EMAIL_ADDRESS:BOT_API_KEY',
            '    -d "queue_id=1375801870:2942"',
            '```',
        ]
        expected = [
            '',
            '**curl:curl {{ api_url }}/v1/register',
            '    -u BOT_EMAIL_ADDRESS:BOT_API_KEY',
            '    -d "queue_id=1375801870:2942"**',
            '',
            '',
        ]

        result = processor.run(markdown)
        self.assertEqual(result, expected)

class BugdownAvatarTestCase(ZulipTestCase):
    def test_possible_avatar_emails(self) -> None:
        content = '''
            hello !avatar(foo@example.com) my email is ignore@ignore.com
            !gravatar(bar@yo.tv)

            smushing!avatar(hamlet@example.org) is allowed
        '''
        self.assertEqual(
            bugdown.possible_avatar_emails(content),
            {'foo@example.com', 'bar@yo.tv', 'hamlet@example.org'},
        )

    def test_avatar_with_id(self) -> None:
        sender_user_profile = self.example_user('othello')
        message = Message(sender=sender_user_profile, sending_client=get_client("test"))

        user_profile = self.example_user('hamlet')
        msg = f'!avatar({user_profile.email})'
        converted = bugdown.convert(msg, message=message)
        values = {'email': user_profile.email, 'id': user_profile.id}
        self.assertEqual(
            converted,
            '
{email}
'.format(**values))

    def test_avatar_of_unregistered_user(self) -> None:
        sender_user_profile = self.example_user('othello')
        message = Message(sender=sender_user_profile, sending_client=get_client("test"))

        email = 'fakeuser@example.com'
        msg = f'!avatar({email})'
        converted = bugdown.convert(msg, message=message)
        self.assertEqual(
            converted,
            '
{0}
'.format(email))