Prepare new version

[youtubedl] / test / test_download.py

diff --git a/test/test_download.py b/test/test_download.py
index d6540588c130f6bafacd4ef7d077e6debf8d911d..ebe820dfc1990e4df6758795345375375402900b 100644 (file)
--- a/test/test_download.py
+++ b/test/test_download.py
@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
 #!/usr/bin/env python
 

+from __future__ import unicode_literals
+

 # Allow direct execution
 import os
 import sys
 # Allow direct execution
 import os
 import sys


@@ -7,6 +9,8 @@ import unittest
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 from test.helper import (
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 from test.helper import (

+    assertGreaterEqual,
+    expect_warnings,

     get_params,
     gettestcases,
     expect_info_dict,
     get_params,
     gettestcases,
     expect_info_dict,


@@ -21,81 +25,123 @@ import json
 import socket
 
 import youtube_dl.YoutubeDL
 import socket
 
 import youtube_dl.YoutubeDL

-from youtube_dl.utils import (
+from youtube_dl.compat import (

     compat_http_client,
     compat_urllib_error,
     compat_HTTPError,
     compat_http_client,
     compat_urllib_error,
     compat_HTTPError,

+)
+from youtube_dl.utils import (

     DownloadError,
     ExtractorError,
     DownloadError,
     ExtractorError,

+    format_bytes,

     UnavailableVideoError,
 )
 from youtube_dl.extractor import get_info_extractor
 
 RETRIES = 3
 
     UnavailableVideoError,
 )
 from youtube_dl.extractor import get_info_extractor
 
 RETRIES = 3
 

+

 class YoutubeDL(youtube_dl.YoutubeDL):
     def __init__(self, *args, **kwargs):
         self.to_stderr = self.to_screen
         self.processed_info_dicts = []
         super(YoutubeDL, self).__init__(*args, **kwargs)
 class YoutubeDL(youtube_dl.YoutubeDL):
     def __init__(self, *args, **kwargs):
         self.to_stderr = self.to_screen
         self.processed_info_dicts = []
         super(YoutubeDL, self).__init__(*args, **kwargs)

+

     def report_warning(self, message):
         # Don't accept warnings during tests
         raise ExtractorError(message)
     def report_warning(self, message):
         # Don't accept warnings during tests
         raise ExtractorError(message)

+

     def process_info(self, info_dict):
         self.processed_info_dicts.append(info_dict)
         return super(YoutubeDL, self).process_info(info_dict)
 
     def process_info(self, info_dict):
         self.processed_info_dicts.append(info_dict)
         return super(YoutubeDL, self).process_info(info_dict)
 

+

 def _file_md5(fn):
     with open(fn, 'rb') as f:
         return hashlib.md5(f.read()).hexdigest()
 
 def _file_md5(fn):
     with open(fn, 'rb') as f:
         return hashlib.md5(f.read()).hexdigest()
 

+

 defs = gettestcases()
 
 
 class TestDownload(unittest.TestCase):
 defs = gettestcases()
 
 
 class TestDownload(unittest.TestCase):

+    # Parallel testing in nosetests. See
+    # http://nose.readthedocs.org/en/latest/doc_tests/test_multiprocess/multiprocess.html
+    _multiprocess_shared_ = True
+

     maxDiff = None
     maxDiff = None

+
+    def __str__(self):
+        """Identify each test with the `add_ie` attribute, if available."""
+
+        def strclass(cls):
+            """From 2.7's unittest; 2.6 had _strclass so we can't import it."""
+            return '%s.%s' % (cls.__module__, cls.__name__)
+
+        add_ie = getattr(self, self._testMethodName).add_ie
+        return '%s (%s)%s:' % (self._testMethodName,
+                               strclass(self.__class__),
+                               ' [%s]' % add_ie if add_ie else '')
+

     def setUp(self):
         self.defs = defs
 
     def setUp(self):
         self.defs = defs
 

-### Dynamically generate tests
-def generator(test_case):
+# Dynamically generate tests
+
+
+def generator(test_case, tname):

 
     def test_template(self):
 
     def test_template(self):

-        ie = youtube_dl.extractor.get_info_extractor(test_case['name'])
-        other_ies = [get_info_extractor(ie_key) for ie_key in test_case.get('add_ie', [])]
+        ie = youtube_dl.extractor.get_info_extractor(test_case['name'])()
+        other_ies = [get_info_extractor(ie_key)() for ie_key in test_case.get('add_ie', [])]
+        is_playlist = any(k.startswith('playlist') for k in test_case)
+        test_cases = test_case.get(
+            'playlist', [] if is_playlist else [test_case])
+

         def print_skipping(reason):
             print('Skipping %s: %s' % (test_case['name'], reason))
         if not ie.working():
             print_skipping('IE marked as not _WORKING')
             return
         def print_skipping(reason):
             print('Skipping %s: %s' % (test_case['name'], reason))
         if not ie.working():
             print_skipping('IE marked as not _WORKING')
             return

-        if 'playlist' not in test_case:
-            info_dict = test_case.get('info_dict', {})
-            if not test_case.get('file') and not (info_dict.get('id') and info_dict.get('ext')):
+
+        for tc in test_cases:
+            info_dict = tc.get('info_dict', {})
+            if not (info_dict.get('id') and info_dict.get('ext')):

                 raise Exception('Test definition incorrect. The output file cannot be known. Are both \'id\' and \'ext\' keys present?')
                 raise Exception('Test definition incorrect. The output file cannot be known. Are both \'id\' and \'ext\' keys present?')

+

         if 'skip' in test_case:
             print_skipping(test_case['skip'])
             return
         for other_ie in other_ies:
             if not other_ie.working():
         if 'skip' in test_case:
             print_skipping(test_case['skip'])
             return
         for other_ie in other_ies:
             if not other_ie.working():

-                print_skipping(u'test depends on %sIE, marked as not WORKING' % other_ie.ie_key())
+                print_skipping('test depends on %sIE, marked as not WORKING' % other_ie.ie_key())

                 return
 
         params = get_params(test_case.get('params', {}))
                 return
 
         params = get_params(test_case.get('params', {}))

+        params['outtmpl'] = tname + '_' + params['outtmpl']
+        if is_playlist and 'playlist' not in test_case:
+            params.setdefault('extract_flat', 'in_playlist')
+            params.setdefault('skip_download', True)

 
 

-        ydl = YoutubeDL(params)
+        ydl = YoutubeDL(params, auto_init=False)

         ydl.add_default_info_extractors()
         finished_hook_called = set()
         ydl.add_default_info_extractors()
         finished_hook_called = set()

+

         def _hook(status):
             if status['status'] == 'finished':
                 finished_hook_called.add(status['filename'])
         ydl.add_progress_hook(_hook)
         def _hook(status):
             if status['status'] == 'finished':
                 finished_hook_called.add(status['filename'])
         ydl.add_progress_hook(_hook)

+        expect_warnings(ydl, test_case.get('expected_warnings', []))

 
         def get_tc_filename(tc):
 
         def get_tc_filename(tc):

-            return tc.get('file') or ydl.prepare_filename(tc.get('info_dict', {}))
+            return ydl.prepare_filename(tc.get('info_dict', {}))

 
 

-        test_cases = test_case.get('playlist', [test_case])
-        def try_rm_tcs_files():
-            for tc in test_cases:
+        res_dict = None
+
+        def try_rm_tcs_files(tcs=None):
+            if tcs is None:
+                tcs = test_cases
+            for tc in tcs:

                 tc_filename = get_tc_filename(tc)
                 try_rm(tc_filename)
                 try_rm(tc_filename + '.part')
                 tc_filename = get_tc_filename(tc)
                 try_rm(tc_filename)
                 try_rm(tc_filename + '.part')


@@ -105,14 +151,19 @@ def generator(test_case):
             try_num = 1
             while True:
                 try:
             try_num = 1
             while True:
                 try:

-                    ydl.download([test_case['url']])
+                    # We're not using .download here since that is just a shim
+                    # for outside error handling, and returns the exit code
+                    # instead of the result dict.
+                    res_dict = ydl.extract_info(
+                        test_case['url'],
+                        force_generic_extractor=params.get('force_generic_extractor', False))

                 except (DownloadError, ExtractorError) as err:
                     # Check if the exception is not a network related one
                     if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError, compat_http_client.BadStatusLine) or (err.exc_info[0] == compat_HTTPError and err.exc_info[1].code == 503):
                         raise
 
                     if try_num == RETRIES:
                 except (DownloadError, ExtractorError) as err:
                     # Check if the exception is not a network related one
                     if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError, compat_http_client.BadStatusLine) or (err.exc_info[0] == compat_HTTPError and err.exc_info[1].code == 503):
                         raise
 
                     if try_num == RETRIES:

-                        report_warning(u'Failed due to network errors, skipping...')
+                        report_warning('%s failed due to network errors, skipping...' % tname)

                         return
 
                     print('Retrying: {0} failed tries\n\n##########\n\n'.format(try_num))
                         return
 
                     print('Retrying: {0} failed tries\n\n##########\n\n'.format(try_num))


@@ -121,34 +172,91 @@ def generator(test_case):
                 else:
                     break
 
                 else:
                     break
 

-            for tc in test_cases:
+            if is_playlist:
+                self.assertTrue(res_dict['_type'] in ['playlist', 'multi_video'])
+                self.assertTrue('entries' in res_dict)
+                expect_info_dict(self, res_dict, test_case.get('info_dict', {}))
+
+            if 'playlist_mincount' in test_case:
+                assertGreaterEqual(
+                    self,
+                    len(res_dict['entries']),
+                    test_case['playlist_mincount'],
+                    'Expected at least %d in playlist %s, but got only %d' % (
+                        test_case['playlist_mincount'], test_case['url'],
+                        len(res_dict['entries'])))
+            if 'playlist_count' in test_case:
+                self.assertEqual(
+                    len(res_dict['entries']),
+                    test_case['playlist_count'],
+                    'Expected %d entries in playlist %s, but got %d.' % (
+                        test_case['playlist_count'],
+                        test_case['url'],
+                        len(res_dict['entries']),
+                    ))
+            if 'playlist_duration_sum' in test_case:
+                got_duration = sum(e['duration'] for e in res_dict['entries'])
+                self.assertEqual(
+                    test_case['playlist_duration_sum'], got_duration)
+
+            # Generalize both playlists and single videos to unified format for
+            # simplicity
+            if 'entries' not in res_dict:
+                res_dict['entries'] = [res_dict]
+
+            for tc_num, tc in enumerate(test_cases):
+                tc_res_dict = res_dict['entries'][tc_num]
+                # First, check test cases' data against extracted data alone
+                expect_info_dict(self, tc_res_dict, tc.get('info_dict', {}))
+                # Now, check downloaded file consistency

                 tc_filename = get_tc_filename(tc)
                 if not test_case.get('params', {}).get('skip_download', False):
                     self.assertTrue(os.path.exists(tc_filename), msg='Missing file ' + tc_filename)
                     self.assertTrue(tc_filename in finished_hook_called)
                 tc_filename = get_tc_filename(tc)
                 if not test_case.get('params', {}).get('skip_download', False):
                     self.assertTrue(os.path.exists(tc_filename), msg='Missing file ' + tc_filename)
                     self.assertTrue(tc_filename in finished_hook_called)

+                    expected_minsize = tc.get('file_minsize', 10000)
+                    if expected_minsize is not None:
+                        if params.get('test'):
+                            expected_minsize = max(expected_minsize, 10000)
+                        got_fsize = os.path.getsize(tc_filename)
+                        assertGreaterEqual(
+                            self, got_fsize, expected_minsize,
+                            'Expected %s to be at least %s, but it\'s only %s ' %
+                            (tc_filename, format_bytes(expected_minsize),
+                                format_bytes(got_fsize)))
+                    if 'md5' in tc:
+                        md5_for_file = _file_md5(tc_filename)
+                        self.assertEqual(tc['md5'], md5_for_file)
+                # Finally, check test cases' data again but this time against
+                # extracted data from info JSON file written during processing

                 info_json_fn = os.path.splitext(tc_filename)[0] + '.info.json'
                 info_json_fn = os.path.splitext(tc_filename)[0] + '.info.json'

-                self.assertTrue(os.path.exists(info_json_fn))
-                if 'md5' in tc:
-                    md5_for_file = _file_md5(tc_filename)
-                    self.assertEqual(md5_for_file, tc['md5'])
+                self.assertTrue(
+                    os.path.exists(info_json_fn),
+                    'Missing info file %s' % info_json_fn)

                 with io.open(info_json_fn, encoding='utf-8') as infof:
                     info_dict = json.load(infof)
                 with io.open(info_json_fn, encoding='utf-8') as infof:
                     info_dict = json.load(infof)

-
-                expect_info_dict(self, tc.get('info_dict', {}), info_dict)
+                expect_info_dict(self, info_dict, tc.get('info_dict', {}))

         finally:
             try_rm_tcs_files()
         finally:
             try_rm_tcs_files()

+            if is_playlist and res_dict is not None and res_dict.get('entries'):
+                # Remove all other files that may have been extracted if the
+                # extractor returns full results even with extract_flat
+                res_tcs = [{'info_dict': e} for e in res_dict['entries']]
+                try_rm_tcs_files(res_tcs)

 
     return test_template
 
 
     return test_template
 

-### And add them to TestDownload
+
+# And add them to TestDownload

 for n, test_case in enumerate(defs):
 for n, test_case in enumerate(defs):

-    test_method = generator(test_case)

     tname = 'test_' + str(test_case['name'])
     i = 1
     while hasattr(TestDownload, tname):
     tname = 'test_' + str(test_case['name'])
     i = 1
     while hasattr(TestDownload, tname):

-        tname = 'test_'  + str(test_case['name']) + '_' + str(i)
+        tname = 'test_%s_%d' % (test_case['name'], i)

         i += 1
         i += 1

-    test_method.__name__ = tname
+    test_method = generator(test_case, tname)
+    test_method.__name__ = str(tname)
+    ie_list = test_case.get('add_ie')
+    test_method.add_ie = ie_list and ','.join(ie_list)

     setattr(TestDownload, test_method.__name__, test_method)
     del test_method
 
     setattr(TestDownload, test_method.__name__, test_method)
     del test_method