+import json
+import unittest
+import sys
+import socket
+
+# Allow direct execution
+sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+import youtube_dl.FileDownloader
+import youtube_dl.InfoExtractors
+from youtube_dl.utils import *
+
+DEF_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'tests.json')
+PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "parameters.json")
+
+# General configuration (from __init__, not very elegant...)
+jar = compat_cookiejar.CookieJar()
+cookie_processor = compat_urllib_request.HTTPCookieProcessor(jar)
+proxy_handler = compat_urllib_request.ProxyHandler()
+opener = compat_urllib_request.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
+compat_urllib_request.install_opener(opener)
+socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
+
+class FileDownloader(youtube_dl.FileDownloader):
+ def __init__(self, *args, **kwargs):
+ youtube_dl.FileDownloader.__init__(self, *args, **kwargs)
+ self.to_stderr = self.to_screen
+
+def _file_md5(fn):
+ with open(fn, 'rb') as f:
+ return hashlib.md5(f.read()).hexdigest()
+
+with io.open(DEF_FILE, encoding='utf-8') as deff:
+ defs = json.load(deff)
+with io.open(PARAMETERS_FILE, encoding='utf-8') as pf:
+ parameters = json.load(pf)
+
+class TestDownload(unittest.TestCase):
+ def setUp(self):
+ self.parameters = parameters
+ self.defs = defs
+
+ # Clear old files
+ self.tearDown()
+
+ def tearDown(self):
+ for fn in [ test.get('file', False) for test in self.defs ]:
+ if fn and os.path.exists(fn):
+ os.remove(fn)
+
+
+### Dinamically generate tests
+def generator(test_case):
+
+ def test_template(self):
+ ie = getattr(youtube_dl.InfoExtractors, test_case['name'] + 'IE')
+ if not ie._WORKING:
+ print('Skipping: IE marked as not _WORKING')
+ return
+ if not test_case['file']:
+ print('Skipping: No output file specified')
+ return
+ if 'skip' in test_case:
+ print('Skipping: {0}'.format(test_case['skip']))
+ return
+ params = dict(self.parameters) # Duplicate it locally
+ for p in test_case.get('params', {}):
+ params[p] = test_case['params'][p]
+ fd = FileDownloader(params)
+ fd.add_info_extractor(ie())
+ for ien in test_case.get('add_ie', []):
+ fd.add_info_extractor(getattr(youtube_dl.InfoExtractors, ien + 'IE')())
+ fd.download([test_case['url']])
+ self.assertTrue(os.path.exists(test_case['file']))
+ if 'md5' in test_case:
+ md5_for_file = _file_md5(test_case['file'])
+ self.assertEqual(md5_for_file, test_case['md5'])
+
+ return test_template
+
+### And add them to TestDownload
+for test_case in defs:
+ test_method = generator(test_case)
+ test_method.__name__ = "test_{0}".format(test_case["name"])
+ setattr(TestDownload, test_method.__name__, test_method)
+ del test_method
+