youtube-dl/test/helper.py

113 lines
3.6 KiB
Python
Raw Normal View History

2013-10-06 05:47:17 +02:00
import errno
2013-06-27 00:09:05 +02:00
import io
import hashlib
2013-06-27 00:09:05 +02:00
import json
import os.path
import re
import types
import sys
2013-06-27 00:09:05 +02:00
2013-06-27 21:15:16 +02:00
import youtube_dl.extractor
from youtube_dl import YoutubeDL
from youtube_dl.utils import (
compat_str,
preferredencoding,
)
2013-06-27 00:09:05 +02:00
def get_params(override=None):
PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"parameters.json")
with io.open(PARAMETERS_FILE, encoding='utf-8') as pf:
parameters = json.load(pf)
if override:
parameters.update(override)
return parameters
2013-06-27 00:09:05 +02:00
2013-10-06 05:47:17 +02:00
def try_rm(filename):
""" Remove a file if it exists """
try:
os.remove(filename)
except OSError as ose:
if ose.errno != errno.ENOENT:
raise
def report_warning(message):
'''
Print the message to stderr, it will be prefixed with 'WARNING:'
If stderr is a tty file the 'WARNING:' will be colored
'''
if sys.stderr.isatty() and os.name != 'nt':
_msg_header = u'\033[0;33mWARNING:\033[0m'
else:
_msg_header = u'WARNING:'
output = u'%s %s\n' % (_msg_header, message)
if 'b' in getattr(sys.stderr, 'mode', '') or sys.version_info[0] < 3:
output = output.encode(preferredencoding())
sys.stderr.write(output)
2013-06-27 00:09:05 +02:00
class FakeYDL(YoutubeDL):
2013-10-18 00:46:35 +02:00
def __init__(self, override=None):
2013-06-27 00:09:05 +02:00
# Different instances of the downloader can't share the same dictionary
# some test set the "sublang" parameter, which would break the md5 checks.
2013-10-18 00:46:35 +02:00
params = get_params(override=override)
2013-10-06 05:47:17 +02:00
super(FakeYDL, self).__init__(params)
self.result = []
def to_screen(self, s, skip_eol=None):
2013-06-27 00:09:05 +02:00
print(s)
2013-10-06 05:47:17 +02:00
2013-06-27 00:09:05 +02:00
def trouble(self, s, tb=None):
raise Exception(s)
2013-10-06 05:47:17 +02:00
2013-06-27 00:09:05 +02:00
def download(self, x):
2013-06-27 21:15:16 +02:00
self.result.append(x)
2013-10-06 05:47:17 +02:00
def expect_warning(self, regex):
# Silence an expected warning matching a regex
old_report_warning = self.report_warning
def report_warning(self, message):
if re.match(regex, message): return
old_report_warning(message)
self.report_warning = types.MethodType(report_warning, self)
2013-06-27 21:15:16 +02:00
def gettestcases():
2013-06-27 21:15:16 +02:00
for ie in youtube_dl.extractor.gen_extractors():
t = getattr(ie, '_TEST', None)
if t:
t['name'] = type(ie).__name__[:-len('IE')]
yield t
for t in getattr(ie, '_TESTS', []):
t['name'] = type(ie).__name__[:-len('IE')]
yield t
md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest()
def expect_info_dict(self, expected_dict, got_dict):
for info_field, expected in expected_dict.items():
if isinstance(expected, compat_str) and expected.startswith('re:'):
got = got_dict.get(info_field)
match_str = expected[len('re:'):]
match_rex = re.compile(match_str)
self.assertTrue(
isinstance(got, compat_str) and match_rex.match(got),
u'field %s (value: %r) should match %r' % (info_field, got, match_str))
elif isinstance(expected, type):
got = got_dict.get(info_field)
self.assertTrue(isinstance(got, expected),
u'Expected type %r, but got value %r of type %r' % (expected, got, type(got)))
else:
if isinstance(expected, compat_str) and expected.startswith('md5:'):
got = 'md5:' + md5(got_dict.get(info_field))
else:
got = got_dict.get(info_field)
self.assertEqual(expected, got,
u'invalid value for field %s, expected %r, got %r' % (info_field, expected, got))