youtube-dl/test/test_download.py

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#!/usr/bin/env python
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import hashlib
import io
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import os
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import json
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import unittest
import sys
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import hashlib
import socket
# Allow direct execution
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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import youtube_dl.FileDownloader
import youtube_dl.InfoExtractors
from youtube_dl.utils import *
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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)
class FileDownloader(youtube_dl.FileDownloader):
def __init__(self, *args, **kwargs):
self.to_stderr = self.to_screen
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self.processed_info_dicts = []
return youtube_dl.FileDownloader.__init__(self, *args, **kwargs)
def process_info(self, info_dict):
self.processed_info_dicts.append(info_dict)
return youtube_dl.FileDownloader.process_info(self, info_dict)
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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)
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class TestDownload(unittest.TestCase):
def setUp(self):
self.parameters = parameters
self.defs = defs
# Clear old files
self.tearDown()
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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)
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### Dynamically generate tests
def generator(test_case):
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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
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params = dict(self.parameters) # Duplicate it locally
for p in test_case.get('params', {}):
params[p] = test_case['params'][p]
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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']])
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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'])
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info_dict = fd.processed_info_dicts[0]
for (info_field, value) in test_case.get('info_dict', {}).items():
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if value.startswith('md5:'):
md5_info_value = hashlib.md5(info_dict.get(info_field, '')).hexdigest()
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self.assertEqual(value[3:], md5_info_value)
else:
self.assertEqual(value, info_dict.get(info_field))
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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
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if __name__ == '__main__':
unittest.main()