test/test_download.py

   1 #!/usr/bin/env python
   2
   3 import errno
   4 import hashlib
   5 import io
   6 import os
   7 import json
   8 import unittest
   9 import sys
  10 import hashlib
  11 import socket
  12
  13 # Allow direct execution
  14 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
  15
  16 import youtube_dl.FileDownloader
  17 import youtube_dl.InfoExtractors
  18 from youtube_dl.utils import *
  19
  20 DEF_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'tests.json')
  21 PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "parameters.json")
  22
  23 # General configuration (from __init__, not very elegant...)
  24 jar = compat_cookiejar.CookieJar()
  25 cookie_processor = compat_urllib_request.HTTPCookieProcessor(jar)
  26 proxy_handler = compat_urllib_request.ProxyHandler()
  27 opener = compat_urllib_request.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
  28 compat_urllib_request.install_opener(opener)
  29
  30 def _try_rm(filename):
  31     """ Remove a file if it exists """
  32     try:
  33         os.remove(filename)
  34     except OSError as ose:
  35         if ose.errno != errno.ENOENT:
  36             raise
  37
  38 class FileDownloader(youtube_dl.FileDownloader):
  39     def __init__(self, *args, **kwargs):
  40         self.to_stderr = self.to_screen
  41         self.processed_info_dicts = []
  42         return youtube_dl.FileDownloader.__init__(self, *args, **kwargs)
  43     def process_info(self, info_dict):
  44         self.processed_info_dicts.append(info_dict)
  45         return youtube_dl.FileDownloader.process_info(self, info_dict)
  46
  47 def _file_md5(fn):
  48     with open(fn, 'rb') as f:
  49         return hashlib.md5(f.read()).hexdigest()
  50
  51 with io.open(DEF_FILE, encoding='utf-8') as deff:
  52     defs = json.load(deff)
  53 with io.open(PARAMETERS_FILE, encoding='utf-8') as pf:
  54     parameters = json.load(pf)
  55
  56
  57 class TestDownload(unittest.TestCase):
  58     def setUp(self):
  59         self.parameters = parameters
  60         self.defs = defs
  61
  62 ### Dynamically generate tests
  63 def generator(test_case):
  64
  65     def test_template(self):
  66         ie = getattr(youtube_dl.InfoExtractors, test_case['name'] + 'IE')
  67         if not ie._WORKING:
  68             print('Skipping: IE marked as not _WORKING')
  69             return
  70         if 'playlist' not in test_case and not test_case['file']:
  71             print('Skipping: No output file specified')
  72             return
  73         if 'skip' in test_case:
  74             print('Skipping: {0}'.format(test_case['skip']))
  75             return
  76
  77         params = self.parameters.copy()
  78         params.update(test_case.get('params', {}))
  79
  80         fd = FileDownloader(params)
  81         fd.add_info_extractor(ie())
  82         for ien in test_case.get('add_ie', []):
  83             fd.add_info_extractor(getattr(youtube_dl.InfoExtractors, ien + 'IE')())
  84
  85         test_cases = test_case.get('playlist', [test_case])
  86         for tc in test_cases:
  87             _try_rm(tc['file'])
  88             _try_rm(tc['file'] + '.part')
  89             _try_rm(tc['file'] + '.info.json')
  90         try:
  91             fd.download([test_case['url']])
  92
  93             for tc in test_cases:
  94                 if not test_case.get('params', {}).get('skip_download', False):
  95                     self.assertTrue(os.path.exists(tc['file']))
  96                 self.assertTrue(os.path.exists(tc['file'] + '.info.json'))
  97                 if 'md5' in tc:
  98                     md5_for_file = _file_md5(tc['file'])
  99                     self.assertEqual(md5_for_file, tc['md5'])
 100                 with io.open(tc['file'] + '.info.json', encoding='utf-8') as infof:
 101                     info_dict = json.load(infof)
 102                 for (info_field, value) in tc.get('info_dict', {}).items():
 103                     if value.startswith('md5:'):
 104                         md5_info_value = hashlib.md5(info_dict.get(info_field, '')).hexdigest()
 105                         self.assertEqual(value[3:], md5_info_value)
 106                     else:
 107                         self.assertEqual(value, info_dict.get(info_field))
 108         finally:
 109             for tc in test_cases:
 110                 _try_rm(tc['file'])
 111                 _try_rm(tc['file'] + '.part')
 112                 _try_rm(tc['file'] + '.info.json')
 113
 114     return test_template
 115
 116 ### And add them to TestDownload
 117 for test_case in defs:
 118     test_method = generator(test_case)
 119     test_method.__name__ = "test_{0}".format(test_case["name"])
 120     setattr(TestDownload, test_method.__name__, test_method)
 121     del test_method
 122
 123
 124 if __name__ == '__main__':
 125     unittest.main()