X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/54477c858fa2504360964e675faf953d78ac57e6..27375a0e586f091b3366c9963a15304fee569a05:/test/test_download.py diff --git a/test/test_download.py b/test/test_download.py index b9a9be1..ebe820d 100644 --- a/test/test_download.py +++ b/test/test_download.py @@ -1,13 +1,22 @@ #!/usr/bin/env python +from __future__ import unicode_literals + # Allow direct execution import os import sys import unittest sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) -from test.helper import get_params, get_testcases, global_setup, try_rm, md5 -global_setup() +from test.helper import ( + assertGreaterEqual, + expect_warnings, + get_params, + gettestcases, + expect_info_dict, + try_rm, + report_warning, +) import hashlib @@ -16,132 +25,238 @@ import json import socket import youtube_dl.YoutubeDL -from youtube_dl.utils import ( - compat_str, +from youtube_dl.compat import ( + compat_http_client, compat_urllib_error, + compat_HTTPError, +) +from youtube_dl.utils import ( DownloadError, ExtractorError, + format_bytes, 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) + 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 _file_md5(fn): with open(fn, 'rb') as f: return hashlib.md5(f.read()).hexdigest() -defs = get_testcases() + +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 + + 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 -### Dynamically generate tests -def generator(test_case): +# Dynamically generate tests + + +def generator(test_case, tname): def test_template(self): - ie = youtube_dl.extractor.get_info_extractor(test_case['name']) + 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: + if not ie.working(): print_skipping('IE marked as not _WORKING') return - if 'playlist' not in test_case and not test_case['file']: - print_skipping('No output file specified') - return + + 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?') + if 'skip' in test_case: print_skipping(test_case['skip']) return + for other_ie in other_ies: + if not other_ie.working(): + print_skipping('test depends on %sIE, marked as not WORKING' % other_ie.ie_key()) + 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() + def _hook(status): if status['status'] == 'finished': finished_hook_called.add(status['filename']) - ydl.fd.add_progress_hook(_hook) + ydl.add_progress_hook(_hook) + expect_warnings(ydl, test_case.get('expected_warnings', [])) - test_cases = test_case.get('playlist', [test_case]) - for tc in test_cases: - try_rm(tc['file']) - try_rm(tc['file'] + '.part') - try_rm(tc['file'] + '.info.json') + def get_tc_filename(tc): + return ydl.prepare_filename(tc.get('info_dict', {})) + + 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') + try_rm(os.path.splitext(tc_filename)[0] + '.info.json') + try_rm_tcs_files() try: - for retry in range(1, RETRIES + 1): + 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: - if retry == RETRIES: raise - # Check if the exception is not a network related one - if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError): + 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 - print('Retrying: {0} failed tries\n\n##########\n\n'.format(retry)) + if try_num == RETRIES: + report_warning('%s failed due to network errors, skipping...' % tname) + return + + print('Retrying: {0} failed tries\n\n##########\n\n'.format(try_num)) + + try_num += 1 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['file']), msg='Missing file ' + tc['file']) - self.assertTrue(tc['file'] in finished_hook_called) - self.assertTrue(os.path.exists(tc['file'] + '.info.json')) - if 'md5' in tc: - md5_for_file = _file_md5(tc['file']) - self.assertEqual(md5_for_file, tc['md5']) - with io.open(tc['file'] + '.info.json', encoding='utf-8') as infof: + 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' + 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) - for (info_field, expected) in tc.get('info_dict', {}).items(): - if isinstance(expected, compat_str) and expected.startswith('md5:'): - got = 'md5:' + md5(info_dict.get(info_field)) - else: - got = info_dict.get(info_field) - self.assertEqual(expected, got, - u'invalid value for field %s, expected %r, got %r' % (info_field, expected, got)) - - # If checkable fields are missing from the test case, print the info_dict - test_info_dict = dict((key, value if not isinstance(value, compat_str) or len(value) < 250 else 'md5:' + md5(value)) - for key, value in info_dict.items() - if value and key in ('title', 'description', 'uploader', 'upload_date', 'uploader_id', 'location')) - if not all(key in tc.get('info_dict', {}).keys() for key in test_info_dict.keys()): - sys.stderr.write(u'\n"info_dict": ' + json.dumps(test_info_dict, ensure_ascii=False, indent=2) + u'\n') - - # Check for the presence of mandatory fields - for key in ('id', 'url', 'title', 'ext'): - self.assertTrue(key in info_dict.keys() and info_dict[key]) + expect_info_dict(self, info_dict, tc.get('info_dict', {})) finally: - for tc in test_cases: - try_rm(tc['file']) - try_rm(tc['file'] + '.part') - try_rm(tc['file'] + '.info.json') + 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 -### And add them to TestDownload + +# And add them to TestDownload 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']) + '_' + str(i) + tname = 'test_%s_%d' % (test_case['name'], i) 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