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  1. from __future__ import unicode_literals
  2. import errno
  3. import io
  4. import hashlib
  5. import json
  6. import os.path
  7. import re
  8. import types
  9. import sys
  10. import youtube_dl.extractor
  11. from youtube_dl import YoutubeDL
  12. from youtube_dl.utils import (
  13. compat_str,
  14. preferredencoding,
  15. write_string,
  16. )
  17. def get_params(override=None):
  18. PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)),
  19. "parameters.json")
  20. with io.open(PARAMETERS_FILE, encoding='utf-8') as pf:
  21. parameters = json.load(pf)
  22. if override:
  23. parameters.update(override)
  24. return parameters
  25. def try_rm(filename):
  26. """ Remove a file if it exists """
  27. try:
  28. os.remove(filename)
  29. except OSError as ose:
  30. if ose.errno != errno.ENOENT:
  31. raise
  32. def report_warning(message):
  33. '''
  34. Print the message to stderr, it will be prefixed with 'WARNING:'
  35. If stderr is a tty file the 'WARNING:' will be colored
  36. '''
  37. if sys.stderr.isatty() and os.name != 'nt':
  38. _msg_header = '\033[0;33mWARNING:\033[0m'
  39. else:
  40. _msg_header = 'WARNING:'
  41. output = '%s %s\n' % (_msg_header, message)
  42. if 'b' in getattr(sys.stderr, 'mode', '') or sys.version_info[0] < 3:
  43. output = output.encode(preferredencoding())
  44. sys.stderr.write(output)
  45. class FakeYDL(YoutubeDL):
  46. def __init__(self, override=None):
  47. # Different instances of the downloader can't share the same dictionary
  48. # some test set the "sublang" parameter, which would break the md5 checks.
  49. params = get_params(override=override)
  50. super(FakeYDL, self).__init__(params, auto_init=False)
  51. self.result = []
  52. def to_screen(self, s, skip_eol=None):
  53. print(s)
  54. def trouble(self, s, tb=None):
  55. raise Exception(s)
  56. def download(self, x):
  57. self.result.append(x)
  58. def expect_warning(self, regex):
  59. # Silence an expected warning matching a regex
  60. old_report_warning = self.report_warning
  61. def report_warning(self, message):
  62. if re.match(regex, message):
  63. return
  64. old_report_warning(message)
  65. self.report_warning = types.MethodType(report_warning, self)
  66. def gettestcases(include_onlymatching=False):
  67. for ie in youtube_dl.extractor.gen_extractors():
  68. t = getattr(ie, '_TEST', None)
  69. if t:
  70. assert not hasattr(ie, '_TESTS'), \
  71. '%s has _TEST and _TESTS' % type(ie).__name__
  72. tests = [t]
  73. else:
  74. tests = getattr(ie, '_TESTS', [])
  75. for t in tests:
  76. if not include_onlymatching and t.get('only_matching', False):
  77. continue
  78. t['name'] = type(ie).__name__[:-len('IE')]
  79. yield t
  80. md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest()
  81. def expect_info_dict(self, expected_dict, got_dict):
  82. for info_field, expected in expected_dict.items():
  83. if isinstance(expected, compat_str) and expected.startswith('re:'):
  84. got = got_dict.get(info_field)
  85. match_str = expected[len('re:'):]
  86. match_rex = re.compile(match_str)
  87. self.assertTrue(
  88. isinstance(got, compat_str),
  89. 'Expected a %s object, but got %s for field %s' % (
  90. compat_str.__name__, type(got).__name__, info_field))
  91. self.assertTrue(
  92. match_rex.match(got),
  93. 'field %s (value: %r) should match %r' % (info_field, got, match_str))
  94. elif isinstance(expected, type):
  95. got = got_dict.get(info_field)
  96. self.assertTrue(isinstance(got, expected),
  97. 'Expected type %r for field %s, but got value %r of type %r' % (expected, info_field, got, type(got)))
  98. else:
  99. if isinstance(expected, compat_str) and expected.startswith('md5:'):
  100. got = 'md5:' + md5(got_dict.get(info_field))
  101. else:
  102. got = got_dict.get(info_field)
  103. self.assertEqual(expected, got,
  104. 'invalid value for field %s, expected %r, got %r' % (info_field, expected, got))
  105. # Check for the presence of mandatory fields
  106. if got_dict.get('_type') != 'playlist':
  107. for key in ('id', 'url', 'title', 'ext'):
  108. self.assertTrue(got_dict.get(key), 'Missing mandatory field %s' % key)
  109. # Check for mandatory fields that are automatically set by YoutubeDL
  110. for key in ['webpage_url', 'extractor', 'extractor_key']:
  111. self.assertTrue(got_dict.get(key), 'Missing field: %s' % key)
  112. # Are checkable fields missing from the test case definition?
  113. test_info_dict = dict((key, value if not isinstance(value, compat_str) or len(value) < 250 else 'md5:' + md5(value))
  114. for key, value in got_dict.items()
  115. if value and key in ('title', 'description', 'uploader', 'upload_date', 'timestamp', 'uploader_id', 'location'))
  116. missing_keys = set(test_info_dict.keys()) - set(expected_dict.keys())
  117. if missing_keys:
  118. def _repr(v):
  119. if isinstance(v, compat_str):
  120. return "'%s'" % v.replace('\\', '\\\\').replace("'", "\\'").replace('\n', '\\n')
  121. else:
  122. return repr(v)
  123. info_dict_str = ''.join(
  124. ' %s: %s,\n' % (_repr(k), _repr(v))
  125. for k, v in test_info_dict.items())
  126. write_string(
  127. '\n\'info_dict\': {\n' + info_dict_str + '}\n', out=sys.stderr)
  128. self.assertFalse(
  129. missing_keys,
  130. 'Missing keys in test definition: %s' % (
  131. ', '.join(sorted(missing_keys))))
  132. def assertRegexpMatches(self, text, regexp, msg=None):
  133. if hasattr(self, 'assertRegexp'):
  134. return self.assertRegexp(text, regexp, msg)
  135. else:
  136. m = re.match(regexp, text)
  137. if not m:
  138. note = 'Regexp didn\'t match: %r not found in %r' % (regexp, text)
  139. if msg is None:
  140. msg = note
  141. else:
  142. msg = note + ', ' + msg
  143. self.assertTrue(m, msg)
  144. def assertGreaterEqual(self, got, expected, msg=None):
  145. if not (got >= expected):
  146. if msg is None:
  147. msg = '%r not greater than or equal to %r' % (got, expected)
  148. self.assertTrue(got >= expected, msg)
  149. def expect_warnings(ydl, warnings_re):
  150. real_warning = ydl.report_warning
  151. def _report_warning(w):
  152. if not any(re.search(w_re, w) for w_re in warnings_re):
  153. real_warning(w)
  154. ydl.report_warning = _report_warning