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youtube-dl/test/test_download.py
Filippo Valsorda dd508b7c4f [tests] don't fail on network errors
This is suboptimal, but at least this way we will need to look at the logs
only to check for network errors that happen too often, instead of
parsing a ton of lines each time to see if there is some true test failing
2013-10-28 18:03:26 -04:00

169 lines
6 KiB
Python

#!/usr/bin/env python
# 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,
report_warning
)
global_setup()
import hashlib
import io
import json
import socket
import youtube_dl.YoutubeDL
from youtube_dl.utils import (
compat_str,
compat_urllib_error,
DownloadError,
ExtractorError,
UnavailableVideoError,
)
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()
class TestDownload(unittest.TestCase):
maxDiff = None
def setUp(self):
self.defs = defs
### Dynamically generate tests
def generator(test_case):
def test_template(self):
ie = youtube_dl.extractor.get_info_extractor(test_case['name'])
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')):
print_skipping('The output file cannot be know, the "file" '
'key is missing or the info_dict is incomplete')
return
if 'skip' in test_case:
print_skipping(test_case['skip'])
return
params = get_params(test_case.get('params', {}))
ydl = YoutubeDL(params)
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)
def get_tc_filename(tc):
return tc.get('file') or 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:
tc_filename = get_tc_filename(tc)
try_rm(tc_filename)
try_rm(tc_filename + '.part')
try_rm(tc_filename + '.info.json')
try_rm_tcs_files()
try:
try_num = 1
while True:
try:
ydl.download([test_case['url']])
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):
raise
if try_num == RETRIES:
report_warning(u'Failed due to network errors, skipping...')
return
print('Retrying: {0} failed tries\n\n##########\n\n'.format(try_num))
try_num += 1
else:
break
for tc in test_cases:
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)
self.assertTrue(os.path.exists(tc_filename + '.info.json'))
if 'md5' in tc:
md5_for_file = _file_md5(tc_filename)
self.assertEqual(md5_for_file, tc['md5'])
with io.open(tc_filename + '.info.json', 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])
finally:
try_rm_tcs_files()
return test_template
### 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)
i += 1
test_method.__name__ = tname
setattr(TestDownload, test_method.__name__, test_method)
del test_method
if __name__ == '__main__':
unittest.main()