mirror of
https://github.com/yt-dlp/yt-dlp.git
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314 lines
12 KiB
Python
Executable file
314 lines
12 KiB
Python
Executable file
#!/usr/bin/env python3
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# Allow direct execution
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import os
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import sys
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import unittest
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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import collections
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import hashlib
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import json
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from test.helper import (
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assertGreaterEqual,
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expect_info_dict,
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expect_warnings,
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get_params,
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gettestcases,
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getwebpagetestcases,
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is_download_test,
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report_warning,
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try_rm,
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)
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import yt_dlp.YoutubeDL # isort: split
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from yt_dlp.extractor import get_info_extractor
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from yt_dlp.networking.exceptions import HTTPError, TransportError
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from yt_dlp.utils import (
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DownloadError,
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ExtractorError,
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UnavailableVideoError,
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YoutubeDLError,
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format_bytes,
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join_nonempty,
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)
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RETRIES = 3
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class YoutubeDL(yt_dlp.YoutubeDL):
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def __init__(self, *args, **kwargs):
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self.to_stderr = self.to_screen
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self.processed_info_dicts = []
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super().__init__(*args, **kwargs)
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def report_warning(self, message, *args, **kwargs):
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# Don't accept warnings during tests
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raise ExtractorError(message)
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def process_info(self, info_dict):
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self.processed_info_dicts.append(info_dict.copy())
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return super().process_info(info_dict)
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def _file_md5(fn):
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with open(fn, 'rb') as f:
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return hashlib.md5(f.read()).hexdigest()
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normal_test_cases = gettestcases()
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webpage_test_cases = getwebpagetestcases()
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tests_counter = collections.defaultdict(collections.Counter)
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@is_download_test
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class TestDownload(unittest.TestCase):
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# Parallel testing in nosetests. See
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# http://nose.readthedocs.org/en/latest/doc_tests/test_multiprocess/multiprocess.html
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_multiprocess_shared_ = True
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maxDiff = None
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COMPLETED_TESTS = {}
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def __str__(self):
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"""Identify each test with the `add_ie` attribute, if available."""
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cls, add_ie = type(self), getattr(self, self._testMethodName).add_ie
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return f'{self._testMethodName} ({cls.__module__}.{cls.__name__}){f" [{add_ie}]" if add_ie else ""}:'
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# Dynamically generate tests
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def generator(test_case, tname):
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def test_template(self):
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if self.COMPLETED_TESTS.get(tname):
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return
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self.COMPLETED_TESTS[tname] = True
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ie = yt_dlp.extractor.get_info_extractor(test_case['name'])()
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other_ies = [get_info_extractor(ie_key)() for ie_key in test_case.get('add_ie', [])]
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is_playlist = any(k.startswith('playlist') for k in test_case)
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test_cases = test_case.get(
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'playlist', [] if is_playlist else [test_case])
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def print_skipping(reason):
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print('Skipping %s: %s' % (test_case['name'], reason))
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self.skipTest(reason)
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if not ie.working():
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print_skipping('IE marked as not _WORKING')
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for tc in test_cases:
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if tc.get('expected_exception'):
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continue
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info_dict = tc.get('info_dict', {})
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params = tc.get('params', {})
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if not info_dict.get('id'):
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raise Exception(f'Test {tname} definition incorrect - "id" key is not present')
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elif not info_dict.get('ext') and info_dict.get('_type', 'video') == 'video':
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if params.get('skip_download') and params.get('ignore_no_formats_error'):
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continue
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raise Exception(f'Test {tname} definition incorrect - "ext" key must be present to define the output file')
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if 'skip' in test_case:
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print_skipping(test_case['skip'])
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for other_ie in other_ies:
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if not other_ie.working():
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print_skipping('test depends on %sIE, marked as not WORKING' % other_ie.ie_key())
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params = get_params(test_case.get('params', {}))
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params['outtmpl'] = tname + '_' + params['outtmpl']
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if is_playlist and 'playlist' not in test_case:
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params.setdefault('extract_flat', 'in_playlist')
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params.setdefault('playlistend', test_case.get(
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'playlist_mincount', test_case.get('playlist_count', -2) + 1))
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params.setdefault('skip_download', True)
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ydl = YoutubeDL(params, auto_init=False)
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ydl.add_default_info_extractors()
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finished_hook_called = set()
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def _hook(status):
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if status['status'] == 'finished':
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finished_hook_called.add(status['filename'])
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ydl.add_progress_hook(_hook)
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expect_warnings(ydl, test_case.get('expected_warnings', []))
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def get_tc_filename(tc):
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return ydl.prepare_filename(dict(tc.get('info_dict', {})))
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res_dict = None
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def match_exception(err):
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expected_exception = test_case.get('expected_exception')
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if not expected_exception:
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return False
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if err.__class__.__name__ == expected_exception:
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return True
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for exc in err.exc_info:
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if exc.__class__.__name__ == expected_exception:
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return True
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return False
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def try_rm_tcs_files(tcs=None):
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if tcs is None:
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tcs = test_cases
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for tc in tcs:
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tc_filename = get_tc_filename(tc)
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try_rm(tc_filename)
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try_rm(tc_filename + '.part')
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try_rm(os.path.splitext(tc_filename)[0] + '.info.json')
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try_rm_tcs_files()
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try:
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try_num = 1
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while True:
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try:
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# We're not using .download here since that is just a shim
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# for outside error handling, and returns the exit code
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# instead of the result dict.
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res_dict = ydl.extract_info(
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test_case['url'],
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force_generic_extractor=params.get('force_generic_extractor', False))
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except (DownloadError, ExtractorError) as err:
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# Check if the exception is not a network related one
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if not isinstance(err.exc_info[1], (TransportError, UnavailableVideoError)) or (isinstance(err.exc_info[1], HTTPError) and err.exc_info[1].status == 503):
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if match_exception(err):
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return
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err.msg = f'{getattr(err, "msg", err)} ({tname})'
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raise
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if try_num == RETRIES:
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report_warning('%s failed due to network errors, skipping...' % tname)
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return
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print(f'Retrying: {try_num} failed tries\n\n##########\n\n')
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try_num += 1
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except YoutubeDLError as err:
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if match_exception(err):
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return
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raise
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else:
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break
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if is_playlist:
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self.assertTrue(res_dict['_type'] in ['playlist', 'multi_video'])
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self.assertTrue('entries' in res_dict)
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expect_info_dict(self, res_dict, test_case.get('info_dict', {}))
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if 'playlist_mincount' in test_case:
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assertGreaterEqual(
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self,
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len(res_dict['entries']),
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test_case['playlist_mincount'],
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'Expected at least %d in playlist %s, but got only %d' % (
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test_case['playlist_mincount'], test_case['url'],
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len(res_dict['entries'])))
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if 'playlist_count' in test_case:
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self.assertEqual(
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len(res_dict['entries']),
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test_case['playlist_count'],
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'Expected %d entries in playlist %s, but got %d.' % (
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test_case['playlist_count'],
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test_case['url'],
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len(res_dict['entries']),
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))
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if 'playlist_duration_sum' in test_case:
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got_duration = sum(e['duration'] for e in res_dict['entries'])
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self.assertEqual(
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test_case['playlist_duration_sum'], got_duration)
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# Generalize both playlists and single videos to unified format for
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# simplicity
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if 'entries' not in res_dict:
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res_dict['entries'] = [res_dict]
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for tc_num, tc in enumerate(test_cases):
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tc_res_dict = res_dict['entries'][tc_num]
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# First, check test cases' data against extracted data alone
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expect_info_dict(self, tc_res_dict, tc.get('info_dict', {}))
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if tc_res_dict.get('_type', 'video') != 'video':
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continue
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# Now, check downloaded file consistency
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tc_filename = get_tc_filename(tc)
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if not test_case.get('params', {}).get('skip_download', False):
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self.assertTrue(os.path.exists(tc_filename), msg='Missing file ' + tc_filename)
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self.assertTrue(tc_filename in finished_hook_called)
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expected_minsize = tc.get('file_minsize', 10000)
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if expected_minsize is not None:
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if params.get('test'):
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expected_minsize = max(expected_minsize, 10000)
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got_fsize = os.path.getsize(tc_filename)
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assertGreaterEqual(
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self, got_fsize, expected_minsize,
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'Expected %s to be at least %s, but it\'s only %s ' %
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(tc_filename, format_bytes(expected_minsize),
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format_bytes(got_fsize)))
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if 'md5' in tc:
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md5_for_file = _file_md5(tc_filename)
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self.assertEqual(tc['md5'], md5_for_file)
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# Finally, check test cases' data again but this time against
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# extracted data from info JSON file written during processing
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info_json_fn = os.path.splitext(tc_filename)[0] + '.info.json'
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self.assertTrue(
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os.path.exists(info_json_fn),
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'Missing info file %s' % info_json_fn)
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with open(info_json_fn, encoding='utf-8') as infof:
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info_dict = json.load(infof)
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expect_info_dict(self, info_dict, tc.get('info_dict', {}))
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finally:
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try_rm_tcs_files()
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if is_playlist and res_dict is not None and res_dict.get('entries'):
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# Remove all other files that may have been extracted if the
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# extractor returns full results even with extract_flat
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res_tcs = [{'info_dict': e} for e in res_dict['entries']]
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try_rm_tcs_files(res_tcs)
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ydl.close()
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return test_template
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# And add them to TestDownload
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def inject_tests(test_cases, label=''):
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for test_case in test_cases:
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name = test_case['name']
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tname = join_nonempty('test', name, label, tests_counter[name][label], delim='_')
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tests_counter[name][label] += 1
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test_method = generator(test_case, tname)
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test_method.__name__ = tname
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test_method.add_ie = ','.join(test_case.get('add_ie', []))
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setattr(TestDownload, test_method.__name__, test_method)
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inject_tests(normal_test_cases)
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# TODO: disable redirection to the IE to ensure we are actually testing the webpage extraction
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inject_tests(webpage_test_cases, 'webpage')
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def batch_generator(name):
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def test_template(self):
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for label, num_tests in tests_counter[name].items():
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for i in range(num_tests):
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test_name = join_nonempty('test', name, label, i, delim='_')
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try:
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getattr(self, test_name)()
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except unittest.SkipTest:
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print(f'Skipped {test_name}')
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return test_template
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for name in tests_counter:
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test_method = batch_generator(name)
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test_method.__name__ = f'test_{name}_all'
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test_method.add_ie = ''
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setattr(TestDownload, test_method.__name__, test_method)
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del test_method
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if __name__ == '__main__':
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unittest.main()
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