]> Raphaël G. Git Repositories - youtubedl/blobdiff - test/test_YoutubeDL.py
debian/control: Update list of supported sites.
[youtubedl] / test / test_YoutubeDL.py
index 82b827536d746246d3241fd856f749945cf6d561..1e204e551b499edead22ce65e371787ca22ffc35 100644 (file)
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# coding: utf-8
 
 from __future__ import unicode_literals
 
@@ -12,9 +13,11 @@ import copy
 
 from test.helper import FakeYDL, assertRegexpMatches
 from youtube_dl import YoutubeDL
+from youtube_dl.compat import compat_str, compat_urllib_error
 from youtube_dl.extractor import YoutubeIE
+from youtube_dl.extractor.common import InfoExtractor
 from youtube_dl.postprocessor.common import PostProcessor
-from youtube_dl.utils import match_filter_func
+from youtube_dl.utils import ExtractorError, match_filter_func
 
 TEST_URL = 'http://localhost/sample.mp4'
 
@@ -38,6 +41,7 @@ def _make_result(formats, **kwargs):
         'id': 'testid',
         'title': 'testttitle',
         'extractor': 'testex',
+        'extractor_key': 'TestEx',
     }
     res.update(**kwargs)
     return res
@@ -104,6 +108,7 @@ class TestFormatSelection(unittest.TestCase):
     def test_format_selection(self):
         formats = [
             {'format_id': '35', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
+            {'format_id': 'example-with-dashes', 'ext': 'webm', 'preference': 1, 'url': TEST_URL},
             {'format_id': '45', 'ext': 'webm', 'preference': 2, 'url': TEST_URL},
             {'format_id': '47', 'ext': 'webm', 'preference': 3, 'url': TEST_URL},
             {'format_id': '2', 'ext': 'flv', 'preference': 4, 'url': TEST_URL},
@@ -135,6 +140,11 @@ class TestFormatSelection(unittest.TestCase):
         downloaded = ydl.downloaded_info_dicts[0]
         self.assertEqual(downloaded['format_id'], '35')
 
+        ydl = YDL({'format': 'example-with-dashes'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'example-with-dashes')
+
     def test_format_selection_audio(self):
         formats = [
             {'format_id': 'audio-low', 'ext': 'webm', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
@@ -214,9 +224,94 @@ class TestFormatSelection(unittest.TestCase):
         downloaded = ydl.downloaded_info_dicts[0]
         self.assertEqual(downloaded['format_id'], 'dash-video-low')
 
+        ydl = YDL({'format': 'bestvideo[format_id^=dash][format_id$=low]'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'dash-video-low')
+
+        formats = [
+            {'format_id': 'vid-vcodec-dot', 'ext': 'mp4', 'preference': 1, 'vcodec': 'avc1.123456', 'acodec': 'none', 'url': TEST_URL},
+        ]
+        info_dict = _make_result(formats)
+
+        ydl = YDL({'format': 'bestvideo[vcodec=avc1.123456]'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'vid-vcodec-dot')
+
+    def test_format_selection_string_ops(self):
+        formats = [
+            {'format_id': 'abc-cba', 'ext': 'mp4', 'url': TEST_URL},
+            {'format_id': 'zxc-cxz', 'ext': 'webm', 'url': TEST_URL},
+        ]
+        info_dict = _make_result(formats)
+
+        # equals (=)
+        ydl = YDL({'format': '[format_id=abc-cba]'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'abc-cba')
+
+        # does not equal (!=)
+        ydl = YDL({'format': '[format_id!=abc-cba]'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'zxc-cxz')
+
+        ydl = YDL({'format': '[format_id!=abc-cba][format_id!=zxc-cxz]'})
+        self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
+
+        # starts with (^=)
+        ydl = YDL({'format': '[format_id^=abc]'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'abc-cba')
+
+        # does not start with (!^=)
+        ydl = YDL({'format': '[format_id!^=abc]'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'zxc-cxz')
+
+        ydl = YDL({'format': '[format_id!^=abc][format_id!^=zxc]'})
+        self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
+
+        # ends with ($=)
+        ydl = YDL({'format': '[format_id$=cba]'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'abc-cba')
+
+        # does not end with (!$=)
+        ydl = YDL({'format': '[format_id!$=cba]'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'zxc-cxz')
+
+        ydl = YDL({'format': '[format_id!$=cba][format_id!$=cxz]'})
+        self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
+
+        # contains (*=)
+        ydl = YDL({'format': '[format_id*=bc-cb]'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'abc-cba')
+
+        # does not contain (!*=)
+        ydl = YDL({'format': '[format_id!*=bc-cb]'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'zxc-cxz')
+
+        ydl = YDL({'format': '[format_id!*=abc][format_id!*=zxc]'})
+        self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
+
+        ydl = YDL({'format': '[format_id!*=-]'})
+        self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
+
     def test_youtube_format_selection(self):
         order = [
-            '38', '37', '46', '22', '45', '35', '44', '18', '34', '43', '6', '5', '36', '17', '13',
+            '38', '37', '46', '22', '45', '35', '44', '18', '34', '43', '6', '5', '17', '36', '13',
             # Apple HTTP Live Streaming
             '96', '95', '94', '93', '92', '132', '151',
             # 3D
@@ -228,21 +323,81 @@ class TestFormatSelection(unittest.TestCase):
             '141', '172', '140', '171', '139',
         ]
 
-        for f1id, f2id in zip(order, order[1:]):
-            f1 = YoutubeIE._formats[f1id].copy()
-            f1['format_id'] = f1id
-            f1['url'] = 'url:' + f1id
-            f2 = YoutubeIE._formats[f2id].copy()
-            f2['format_id'] = f2id
-            f2['url'] = 'url:' + f2id
+        def format_info(f_id):
+            info = YoutubeIE._formats[f_id].copy()
+
+            # XXX: In real cases InfoExtractor._parse_mpd_formats() fills up 'acodec'
+            # and 'vcodec', while in tests such information is incomplete since
+            # commit a6c2c24479e5f4827ceb06f64d855329c0a6f593
+            # test_YoutubeDL.test_youtube_format_selection is broken without
+            # this fix
+            if 'acodec' in info and 'vcodec' not in info:
+                info['vcodec'] = 'none'
+            elif 'vcodec' in info and 'acodec' not in info:
+                info['acodec'] = 'none'
+
+            info['format_id'] = f_id
+            info['url'] = 'url:' + f_id
+            return info
+        formats_order = [format_info(f_id) for f_id in order]
+
+        info_dict = _make_result(list(formats_order), extractor='youtube')
+        ydl = YDL({'format': 'bestvideo+bestaudio'})
+        yie = YoutubeIE(ydl)
+        yie._sort_formats(info_dict['formats'])
+        ydl.process_ie_result(info_dict)
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], '137+141')
+        self.assertEqual(downloaded['ext'], 'mp4')
+
+        info_dict = _make_result(list(formats_order), extractor='youtube')
+        ydl = YDL({'format': 'bestvideo[height>=999999]+bestaudio/best'})
+        yie = YoutubeIE(ydl)
+        yie._sort_formats(info_dict['formats'])
+        ydl.process_ie_result(info_dict)
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], '38')
 
+        info_dict = _make_result(list(formats_order), extractor='youtube')
+        ydl = YDL({'format': 'bestvideo/best,bestaudio'})
+        yie = YoutubeIE(ydl)
+        yie._sort_formats(info_dict['formats'])
+        ydl.process_ie_result(info_dict)
+        downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
+        self.assertEqual(downloaded_ids, ['137', '141'])
+
+        info_dict = _make_result(list(formats_order), extractor='youtube')
+        ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])+bestaudio'})
+        yie = YoutubeIE(ydl)
+        yie._sort_formats(info_dict['formats'])
+        ydl.process_ie_result(info_dict)
+        downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
+        self.assertEqual(downloaded_ids, ['137+141', '248+141'])
+
+        info_dict = _make_result(list(formats_order), extractor='youtube')
+        ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])[height<=720]+bestaudio'})
+        yie = YoutubeIE(ydl)
+        yie._sort_formats(info_dict['formats'])
+        ydl.process_ie_result(info_dict)
+        downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
+        self.assertEqual(downloaded_ids, ['136+141', '247+141'])
+
+        info_dict = _make_result(list(formats_order), extractor='youtube')
+        ydl = YDL({'format': '(bestvideo[ext=none]/bestvideo[ext=webm])+bestaudio'})
+        yie = YoutubeIE(ydl)
+        yie._sort_formats(info_dict['formats'])
+        ydl.process_ie_result(info_dict)
+        downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
+        self.assertEqual(downloaded_ids, ['248+141'])
+
+        for f1, f2 in zip(formats_order, formats_order[1:]):
             info_dict = _make_result([f1, f2], extractor='youtube')
             ydl = YDL({'format': 'best/bestvideo'})
             yie = YoutubeIE(ydl)
             yie._sort_formats(info_dict['formats'])
             ydl.process_ie_result(info_dict)
             downloaded = ydl.downloaded_info_dicts[0]
-            self.assertEqual(downloaded['format_id'], f1id)
+            self.assertEqual(downloaded['format_id'], f1['format_id'])
 
             info_dict = _make_result([f2, f1], extractor='youtube')
             ydl = YDL({'format': 'best/bestvideo'})
@@ -250,7 +405,65 @@ class TestFormatSelection(unittest.TestCase):
             yie._sort_formats(info_dict['formats'])
             ydl.process_ie_result(info_dict)
             downloaded = ydl.downloaded_info_dicts[0]
-            self.assertEqual(downloaded['format_id'], f1id)
+            self.assertEqual(downloaded['format_id'], f1['format_id'])
+
+    def test_audio_only_extractor_format_selection(self):
+        # For extractors with incomplete formats (all formats are audio-only or
+        # video-only) best and worst should fallback to corresponding best/worst
+        # video-only or audio-only formats (as per
+        # https://github.com/ytdl-org/youtube-dl/pull/5556)
+        formats = [
+            {'format_id': 'low', 'ext': 'mp3', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
+            {'format_id': 'high', 'ext': 'mp3', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
+        ]
+        info_dict = _make_result(formats)
+
+        ydl = YDL({'format': 'best'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'high')
+
+        ydl = YDL({'format': 'worst'})
+        ydl.process_ie_result(info_dict.copy())
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['format_id'], 'low')
+
+    def test_format_not_available(self):
+        formats = [
+            {'format_id': 'regular', 'ext': 'mp4', 'height': 360, 'url': TEST_URL},
+            {'format_id': 'video', 'ext': 'mp4', 'height': 720, 'acodec': 'none', 'url': TEST_URL},
+        ]
+        info_dict = _make_result(formats)
+
+        # This must fail since complete video-audio format does not match filter
+        # and extractor does not provide incomplete only formats (i.e. only
+        # video-only or audio-only).
+        ydl = YDL({'format': 'best[height>360]'})
+        self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
+
+    def test_format_selection_issue_10083(self):
+        # See https://github.com/ytdl-org/youtube-dl/issues/10083
+        formats = [
+            {'format_id': 'regular', 'height': 360, 'url': TEST_URL},
+            {'format_id': 'video', 'height': 720, 'acodec': 'none', 'url': TEST_URL},
+            {'format_id': 'audio', 'vcodec': 'none', 'url': TEST_URL},
+        ]
+        info_dict = _make_result(formats)
+
+        ydl = YDL({'format': 'best[height>360]/bestvideo[height>360]+bestaudio'})
+        ydl.process_ie_result(info_dict.copy())
+        self.assertEqual(ydl.downloaded_info_dicts[0]['format_id'], 'video+audio')
+
+    def test_invalid_format_specs(self):
+        def assert_syntax_error(format_spec):
+            ydl = YDL({'format': format_spec})
+            info_dict = _make_result([{'format_id': 'foo', 'url': TEST_URL}])
+            self.assertRaises(SyntaxError, ydl.process_ie_result, info_dict)
+
+        assert_syntax_error('bestvideo,,best')
+        assert_syntax_error('+bestaudio')
+        assert_syntax_error('bestvideo+')
+        assert_syntax_error('/')
 
     def test_format_filtering(self):
         formats = [
@@ -307,6 +520,35 @@ class TestFormatSelection(unittest.TestCase):
         downloaded = ydl.downloaded_info_dicts[0]
         self.assertEqual(downloaded['format_id'], 'G')
 
+        ydl = YDL({'format': 'all[width>=400][width<=600]'})
+        ydl.process_ie_result(info_dict)
+        downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
+        self.assertEqual(downloaded_ids, ['B', 'C', 'D'])
+
+        ydl = YDL({'format': 'best[height<40]'})
+        try:
+            ydl.process_ie_result(info_dict)
+        except ExtractorError:
+            pass
+        self.assertEqual(ydl.downloaded_info_dicts, [])
+
+    def test_default_format_spec(self):
+        ydl = YDL({'simulate': True})
+        self.assertEqual(ydl._default_format_spec({}), 'bestvideo+bestaudio/best')
+
+        ydl = YDL({})
+        self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best/bestvideo+bestaudio')
+
+        ydl = YDL({'simulate': True})
+        self.assertEqual(ydl._default_format_spec({'is_live': True}), 'bestvideo+bestaudio/best')
+
+        ydl = YDL({'outtmpl': '-'})
+        self.assertEqual(ydl._default_format_spec({}), 'best/bestvideo+bestaudio')
+
+        ydl = YDL({})
+        self.assertEqual(ydl._default_format_spec({}, download=False), 'bestvideo+bestaudio/best')
+        self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best/bestvideo+bestaudio')
+
 
 class TestYoutubeDL(unittest.TestCase):
     def test_subtitles(self):
@@ -385,6 +627,9 @@ class TestYoutubeDL(unittest.TestCase):
             'id': '1234',
             'ext': 'mp4',
             'width': None,
+            'height': 1080,
+            'title1': '$PATH',
+            'title2': '%PATH%',
         }
 
         def fname(templ):
@@ -394,13 +639,33 @@ class TestYoutubeDL(unittest.TestCase):
         self.assertEqual(fname('%(id)s-%(width)s.%(ext)s'), '1234-NA.mp4')
         # Replace missing fields with 'NA'
         self.assertEqual(fname('%(uploader_date)s-%(id)s.%(ext)s'), 'NA-1234.mp4')
+        self.assertEqual(fname('%(height)d.%(ext)s'), '1080.mp4')
+        self.assertEqual(fname('%(height)6d.%(ext)s'), '  1080.mp4')
+        self.assertEqual(fname('%(height)-6d.%(ext)s'), '1080  .mp4')
+        self.assertEqual(fname('%(height)06d.%(ext)s'), '001080.mp4')
+        self.assertEqual(fname('%(height) 06d.%(ext)s'), ' 01080.mp4')
+        self.assertEqual(fname('%(height)   06d.%(ext)s'), ' 01080.mp4')
+        self.assertEqual(fname('%(height)0 6d.%(ext)s'), ' 01080.mp4')
+        self.assertEqual(fname('%(height)0   6d.%(ext)s'), ' 01080.mp4')
+        self.assertEqual(fname('%(height)   0   6d.%(ext)s'), ' 01080.mp4')
+        self.assertEqual(fname('%%'), '%')
+        self.assertEqual(fname('%%%%'), '%%')
+        self.assertEqual(fname('%%(height)06d.%(ext)s'), '%(height)06d.mp4')
+        self.assertEqual(fname('%(width)06d.%(ext)s'), 'NA.mp4')
+        self.assertEqual(fname('%(width)06d.%%(ext)s'), 'NA.%(ext)s')
+        self.assertEqual(fname('%%(width)06d.%(ext)s'), '%(width)06d.mp4')
+        self.assertEqual(fname('Hello %(title1)s'), 'Hello $PATH')
+        self.assertEqual(fname('Hello %(title2)s'), 'Hello %PATH%')
 
     def test_format_note(self):
         ydl = YoutubeDL()
         self.assertEqual(ydl._format_note({}), '')
         assertRegexpMatches(self, ydl._format_note({
             'vbr': 10,
-        }), '^\s*10k$')
+        }), r'^\s*10k$')
+        assertRegexpMatches(self, ydl._format_note({
+            'fps': 30,
+        }), r'^30fps$')
 
     def test_postprocessors(self):
         filename = 'post-processor-testfile.mp4'
@@ -462,6 +727,9 @@ class TestYoutubeDL(unittest.TestCase):
             'extractor': 'TEST',
             'duration': 30,
             'filesize': 10 * 1024,
+            'playlist_id': '42',
+            'uploader': "變態妍字幕版 太妍 тест",
+            'creator': "тест ' 123 ' тест--",
         }
         second = {
             'id': '2',
@@ -471,6 +739,8 @@ class TestYoutubeDL(unittest.TestCase):
             'duration': 10,
             'description': 'foo',
             'filesize': 5 * 1024,
+            'playlist_id': '43',
+            'uploader': "тест 123",
         }
         videos = [first, second]
 
@@ -507,6 +777,148 @@ class TestYoutubeDL(unittest.TestCase):
         res = get_videos(f)
         self.assertEqual(res, ['1'])
 
+        f = match_filter_func('playlist_id = 42')
+        res = get_videos(f)
+        self.assertEqual(res, ['1'])
+
+        f = match_filter_func('uploader = "變態妍字幕版 太妍 тест"')
+        res = get_videos(f)
+        self.assertEqual(res, ['1'])
+
+        f = match_filter_func('uploader != "變態妍字幕版 太妍 тест"')
+        res = get_videos(f)
+        self.assertEqual(res, ['2'])
+
+        f = match_filter_func('creator = "тест \' 123 \' тест--"')
+        res = get_videos(f)
+        self.assertEqual(res, ['1'])
+
+        f = match_filter_func("creator = 'тест \\' 123 \\' тест--'")
+        res = get_videos(f)
+        self.assertEqual(res, ['1'])
+
+        f = match_filter_func(r"creator = 'тест \' 123 \' тест--' & duration > 30")
+        res = get_videos(f)
+        self.assertEqual(res, [])
+
+    def test_playlist_items_selection(self):
+        entries = [{
+            'id': compat_str(i),
+            'title': compat_str(i),
+            'url': TEST_URL,
+        } for i in range(1, 5)]
+        playlist = {
+            '_type': 'playlist',
+            'id': 'test',
+            'entries': entries,
+            'extractor': 'test:playlist',
+            'extractor_key': 'test:playlist',
+            'webpage_url': 'http://example.com',
+        }
+
+        def get_downloaded_info_dicts(params):
+            ydl = YDL(params)
+            # make a deep copy because the dictionary and nested entries
+            # can be modified
+            ydl.process_ie_result(copy.deepcopy(playlist))
+            return ydl.downloaded_info_dicts
+
+        def get_ids(params):
+            return [int(v['id']) for v in get_downloaded_info_dicts(params)]
+
+        result = get_ids({})
+        self.assertEqual(result, [1, 2, 3, 4])
+
+        result = get_ids({'playlistend': 10})
+        self.assertEqual(result, [1, 2, 3, 4])
+
+        result = get_ids({'playlistend': 2})
+        self.assertEqual(result, [1, 2])
+
+        result = get_ids({'playliststart': 10})
+        self.assertEqual(result, [])
+
+        result = get_ids({'playliststart': 2})
+        self.assertEqual(result, [2, 3, 4])
+
+        result = get_ids({'playlist_items': '2-4'})
+        self.assertEqual(result, [2, 3, 4])
+
+        result = get_ids({'playlist_items': '2,4'})
+        self.assertEqual(result, [2, 4])
+
+        result = get_ids({'playlist_items': '10'})
+        self.assertEqual(result, [])
+
+        result = get_ids({'playlist_items': '3-10'})
+        self.assertEqual(result, [3, 4])
+
+        result = get_ids({'playlist_items': '2-4,3-4,3'})
+        self.assertEqual(result, [2, 3, 4])
+
+        # Tests for https://github.com/ytdl-org/youtube-dl/issues/10591
+        # @{
+        result = get_downloaded_info_dicts({'playlist_items': '2-4,3-4,3'})
+        self.assertEqual(result[0]['playlist_index'], 2)
+        self.assertEqual(result[1]['playlist_index'], 3)
+
+        result = get_downloaded_info_dicts({'playlist_items': '2-4,3-4,3'})
+        self.assertEqual(result[0]['playlist_index'], 2)
+        self.assertEqual(result[1]['playlist_index'], 3)
+        self.assertEqual(result[2]['playlist_index'], 4)
+
+        result = get_downloaded_info_dicts({'playlist_items': '4,2'})
+        self.assertEqual(result[0]['playlist_index'], 4)
+        self.assertEqual(result[1]['playlist_index'], 2)
+        # @}
+
+    def test_urlopen_no_file_protocol(self):
+        # see https://github.com/ytdl-org/youtube-dl/issues/8227
+        ydl = YDL()
+        self.assertRaises(compat_urllib_error.URLError, ydl.urlopen, 'file:///etc/passwd')
+
+    def test_do_not_override_ie_key_in_url_transparent(self):
+        ydl = YDL()
+
+        class Foo1IE(InfoExtractor):
+            _VALID_URL = r'foo1:'
+
+            def _real_extract(self, url):
+                return {
+                    '_type': 'url_transparent',
+                    'url': 'foo2:',
+                    'ie_key': 'Foo2',
+                    'title': 'foo1 title',
+                    'id': 'foo1_id',
+                }
+
+        class Foo2IE(InfoExtractor):
+            _VALID_URL = r'foo2:'
+
+            def _real_extract(self, url):
+                return {
+                    '_type': 'url',
+                    'url': 'foo3:',
+                    'ie_key': 'Foo3',
+                }
+
+        class Foo3IE(InfoExtractor):
+            _VALID_URL = r'foo3:'
+
+            def _real_extract(self, url):
+                return _make_result([{'url': TEST_URL}], title='foo3 title')
+
+        ydl.add_info_extractor(Foo1IE(ydl))
+        ydl.add_info_extractor(Foo2IE(ydl))
+        ydl.add_info_extractor(Foo3IE(ydl))
+        ydl.extract_info('foo1:')
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(downloaded['url'], TEST_URL)
+        self.assertEqual(downloaded['title'], 'foo1 title')
+        self.assertEqual(downloaded['id'], 'testid')
+        self.assertEqual(downloaded['extractor'], 'testex')
+        self.assertEqual(downloaded['extractor_key'], 'TestEx')
+
 
 if __name__ == '__main__':
     unittest.main()