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 (
assertGreaterEqual,
get_params,
gettestcases,
expect_info_dict,
try_rm,
report_warning,
)
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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_http_client,
compat_urllib_error,
compat_HTTPError,
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
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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()
defs = gettestcases()
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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', [])]
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
for tc in test_cases:
info_dict = tc.get('info_dict', {})
if not tc.get('file') and 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(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', {}))
if is_playlist and 'playlist' not in test_case:
params.setdefault('extract_flat', True)
params.setdefault('skip_download', True)
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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.add_progress_hook(_hook)
def get_tc_filename(tc):
return tc.get('file') or 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')
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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:
# We're not using .download here sine 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'])
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...')
return
print('Retrying: {0} failed tries\n\n##########\n\n'.format(try_num))
try_num += 1
else:
break
if is_playlist:
self.assertEqual(res_dict['_type'], 'playlist')
self.assertTrue('entries' in res_dict)
expect_info_dict(self, test_case.get('info_dict', {}), res_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'])))
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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)
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)
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(md5_for_file, tc['md5'])
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info_json_fn = os.path.splitext(tc_filename)[0] + '.info.json'
self.assertTrue(os.path.exists(info_json_fn))
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)
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)
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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()