youtube-dl/test/test_download.py

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#!/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()
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import hashlib
import io
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import json
import socket
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import youtube_dl.YoutubeDL
from youtube_dl.utils import (
compat_str,
compat_urllib_error,
compat_HTTPError,
DownloadError,
ExtractorError,
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
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self.processed_info_dicts = []
super(YoutubeDL, self).__init__(*args, **kwargs)
def report_warning(self, message):
# Don't accept warnings during tests
raise ExtractorError(message)
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def process_info(self, info_dict):
self.processed_info_dicts.append(info_dict)
return super(YoutubeDL, self).process_info(info_dict)
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def _file_md5(fn):
with open(fn, 'rb') as f:
return hashlib.md5(f.read()).hexdigest()
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defs = get_testcases()
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class TestDownload(unittest.TestCase):
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maxDiff = None
def setUp(self):
self.defs = defs
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### Dynamically generate tests
def generator(test_case):
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def test_template(self):
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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', [])]
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
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())
return
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params = get_params(test_case.get('params', {}))
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ydl = YoutubeDL(params)
ydl.add_default_info_extractors()
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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')
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try_rm(os.path.splitext(tc_filename)[0] + '.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) 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...')
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)
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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)
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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'])
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with io.open(info_json_fn, encoding='utf-8') as infof:
info_dict = json.load(infof)
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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:
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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])
# Check for mandatory fields that are automatically set by YoutubeDL
for key in ['webpage_url', 'extractor', 'extractor_key']:
self.assertTrue(info_dict.get(key), u'Missing field: %s' % key)
finally:
try_rm_tcs_files()
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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):
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tname = 'test_' + str(test_case['name']) + '_' + str(i)
i += 1
test_method.__name__ = tname
setattr(TestDownload, test_method.__name__, test_method)
del test_method
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if __name__ == '__main__':
unittest.main()