#!/usr/bin/env python3
+
# Allow direct execution
import os
import sys
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
import copy
import json
-import urllib.error
-from test.helper import FakeYDL, assertRegexpMatches
+from test.helper import FakeYDL, assertRegexpMatches, try_rm
from yt_dlp import YoutubeDL
-from yt_dlp.compat import compat_os_name, compat_str
+from yt_dlp.compat import compat_os_name
from yt_dlp.extractor import YoutubeIE
from yt_dlp.extractor.common import InfoExtractor
from yt_dlp.postprocessor.common import PostProcessor
int_or_none,
match_filter_func,
)
+from yt_dlp.utils.traversal import traverse_obj
TEST_URL = 'http://localhost/sample.mp4'
{'ext': 'mp4', 'height': 460, 'url': TEST_URL},
]
info_dict = _make_result(formats)
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['ext'], 'webm')
{'ext': 'mp4', 'height': 1080, 'url': TEST_URL},
]
info_dict['formats'] = formats
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['ext'], 'mp4')
{'ext': 'flv', 'height': 720, 'url': TEST_URL},
]
info_dict['formats'] = formats
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['ext'], 'mp4')
{'ext': 'webm', 'height': 720, 'url': TEST_URL},
]
info_dict['formats'] = formats
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['ext'], 'webm')
def test_format_selection(self):
formats = [
- {'format_id': '35', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
+ {'format_id': '35', 'ext': 'mp4', 'preference': 0, 'url': TEST_URL},
{'format_id': 'example-with-dashes', 'ext': 'webm', 'preference': 1, 'url': TEST_URL},
{'format_id': '45', 'ext': 'webm', 'preference': 2, 'url': TEST_URL},
{'format_id': '47', 'ext': 'webm', 'preference': 3, 'url': TEST_URL},
info_dict = _make_result(formats)
ydl = YDL({'format': 'best'})
- ie = YoutubeIE(ydl)
- ie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(copy.deepcopy(info_dict))
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'aac-64')
ydl = YDL({'format': 'mp3'})
- ie = YoutubeIE(ydl)
- ie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(copy.deepcopy(info_dict))
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'mp3-64')
ydl = YDL({'prefer_free_formats': True})
- ie = YoutubeIE(ydl)
- ie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(copy.deepcopy(info_dict))
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'ogg-64')
info_dict = _make_result(list(formats_order), extractor='youtube')
ydl = YDL({'format': 'bestvideo+bestaudio'})
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], '248+172')
info_dict = _make_result(list(formats_order), extractor='youtube')
ydl = YDL({'format': 'bestvideo[height>=999999]+bestaudio/best'})
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], '38')
info_dict = _make_result(list(formats_order), extractor='youtube')
ydl = YDL({'format': 'bestvideo/best,bestaudio'})
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
self.assertEqual(downloaded_ids, ['137', '141'])
info_dict = _make_result(list(formats_order), extractor='youtube')
ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])+bestaudio'})
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
self.assertEqual(downloaded_ids, ['137+141', '248+141'])
info_dict = _make_result(list(formats_order), extractor='youtube')
ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])[height<=720]+bestaudio'})
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
self.assertEqual(downloaded_ids, ['136+141', '247+141'])
info_dict = _make_result(list(formats_order), extractor='youtube')
ydl = YDL({'format': '(bestvideo[ext=none]/bestvideo[ext=webm])+bestaudio'})
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
self.assertEqual(downloaded_ids, ['248+141'])
for f1, f2 in zip(formats_order, formats_order[1:]):
info_dict = _make_result([f1, f2], extractor='youtube')
ydl = YDL({'format': 'best/bestvideo'})
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], f1['format_id'])
info_dict = _make_result([f2, f1], extractor='youtube')
ydl = YDL({'format': 'best/bestvideo'})
- yie = YoutubeIE(ydl)
- yie._sort_formats(info_dict['formats'])
+ ydl.sort_formats(info_dict)
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], f1['format_id'])
for f in formats:
f['url'] = 'http://_/'
f['ext'] = 'unknown'
- info_dict = _make_result(formats)
+ info_dict = _make_result(formats, _format_sort_fields=('id', ))
ydl = YDL({'format': 'best[filesize<3000]'})
ydl.process_ie_result(info_dict)
'playlist_autonumber': 2,
'__last_playlist_index': 100,
'n_entries': 10,
- 'formats': [{'id': 'id 1'}, {'id': 'id 2'}, {'id': 'id 3'}]
+ 'formats': [
+ {'id': 'id 1', 'height': 1080, 'width': 1920},
+ {'id': 'id 2', 'height': 720},
+ {'id': 'id 3'}
+ ]
}
def test_prepare_outtmpl_and_filename(self):
def test(tmpl, expected, *, info=None, **params):
params['outtmpl'] = tmpl
- ydl = YoutubeDL(params)
+ ydl = FakeYDL(params)
ydl._num_downloads = 1
self.assertEqual(ydl.validate_outtmpl(tmpl), None)
for (name, got), expect in zip((('outtmpl', out), ('filename', fname)), expected):
if callable(expect):
self.assertTrue(expect(got), f'Wrong {name} from {tmpl}')
- else:
+ elif expect is not None:
self.assertEqual(got, expect, f'Wrong {name} from {tmpl}')
# Side-effects
test('%(id)s.%(ext)s', '1234.mp4')
test('%(duration_string)s', ('27:46:40', '27-46-40'))
test('%(resolution)s', '1080p')
- test('%(playlist_index)s', '001')
+ test('%(playlist_index|)s', '001')
+ test('%(playlist_index&{}!)s', '1!')
test('%(playlist_autonumber)s', '02')
test('%(autonumber)s', '00001')
test('%(autonumber+2)03d', '005', autonumber_start=3)
test('%(id)s', '-abcd', info={'id': '-abcd'})
test('%(id)s', '.abcd', info={'id': '.abcd'})
test('%(id)s', 'ab__cd', info={'id': 'ab__cd'})
- test('%(id)s', ('ab:cd', 'ab -cd'), info={'id': 'ab:cd'})
+ test('%(id)s', ('ab:cd', 'ab:cd'), info={'id': 'ab:cd'})
test('%(id.0)s', '-', info={'id': '--'})
# Invalid templates
self.assertTrue(isinstance(YoutubeDL.validate_outtmpl('%(title)'), ValueError))
test('%(invalid@tmpl|def)s', 'none', outtmpl_na_placeholder='none')
test('%(..)s', 'NA')
+ test('%(formats.{id)s', 'NA')
# Entire info_dict
def expect_same_infodict(out):
test('%(ext)c', 'm')
test('%(id)d %(id)r', "1234 '1234'")
test('%(id)r %(height)r', "'1234' 1080")
+ test('%(title5)a %(height)a', (R"'\xe1\xe9\xed \U0001d400' 1080", None))
test('%(ext)s-%(ext|def)d', 'mp4-def')
- test('%(width|0)04d', '0000')
- test('a%(width|)d', 'a', outtmpl_na_placeholder='none')
+ test('%(width|0)04d', '0')
+ test('a%(width|b)d', 'ab', outtmpl_na_placeholder='none')
FORMATS = self.outtmpl_info['formats']
- sanitize = lambda x: x.replace(':', ' -').replace('"', "'").replace('\n', ' ')
# Custom type casting
test('%(formats.:.id)l', 'id 1, id 2, id 3')
test('%(formats.:.id)#l', ('id 1\nid 2\nid 3', 'id 1 id 2 id 3'))
test('%(ext)l', 'mp4')
test('%(formats.:.id) 18l', ' id 1, id 2, id 3')
- test('%(formats)j', (json.dumps(FORMATS), sanitize(json.dumps(FORMATS))))
- test('%(formats)#j', (json.dumps(FORMATS, indent=4), sanitize(json.dumps(FORMATS, indent=4))))
+ test('%(formats)j', (json.dumps(FORMATS), None))
+ test('%(formats)#j', (
+ json.dumps(FORMATS, indent=4),
+ json.dumps(FORMATS, indent=4).replace(':', ':').replace('"', """).replace('\n', ' ')
+ ))
test('%(title5).3B', 'á')
test('%(title5)U', 'áéí 𝐀')
test('%(title5)#U', 'a\u0301e\u0301i\u0301 𝐀')
test('%(filesize)#D', '1Ki')
test('%(height)5.2D', ' 1.08k')
test('%(title4)#S', 'foo_bar_test')
- test('%(title4).10S', ('foo \'bar\' ', 'foo \'bar\'' + ('#' if compat_os_name == 'nt' else ' ')))
+ test('%(title4).10S', ('foo "bar" ', 'foo "bar"' + ('#' if compat_os_name == 'nt' else ' ')))
if compat_os_name == 'nt':
- test('%(title4)q', ('"foo \\"bar\\" test"', "'foo _'bar_' test'"))
- test('%(formats.:.id)#q', ('"id 1" "id 2" "id 3"', "'id 1' 'id 2' 'id 3'"))
- test('%(formats.0.id)#q', ('"id 1"', "'id 1'"))
+ test('%(title4)q', ('"foo ""bar"" test"', None))
+ test('%(formats.:.id)#q', ('"id 1" "id 2" "id 3"', None))
+ test('%(formats.0.id)#q', ('"id 1"', None))
else:
- test('%(title4)q', ('\'foo "bar" test\'', "'foo 'bar' test'"))
+ test('%(title4)q', ('\'foo "bar" test\'', '\'foo "bar" test\''))
test('%(formats.:.id)#q', "'id 1' 'id 2' 'id 3'")
test('%(formats.0.id)#q', "'id 1'")
test('%(title|%)s %(title|%%)s', '% %%')
test('%(id+1-height+3)05d', '00158')
test('%(width+100)05d', 'NA')
- test('%(formats.0) 15s', ('% 15s' % FORMATS[0], '% 15s' % sanitize(str(FORMATS[0]))))
- test('%(formats.0)r', (repr(FORMATS[0]), sanitize(repr(FORMATS[0]))))
+ test('%(filesize*8)d', '8192')
+ test('%(formats.0) 15s', ('% 15s' % FORMATS[0], None))
+ test('%(formats.0)r', (repr(FORMATS[0]), None))
test('%(height.0)03d', '001')
test('%(-height.0)04d', '-001')
test('%(formats.-1.id)s', FORMATS[-1]['id'])
test('%(formats.:2:-1)r', repr(FORMATS[:2:-1]))
test('%(formats.0.id.-1+id)f', '1235.000000')
test('%(formats.0.id.-1+formats.1.id.-1)d', '3')
+ out = json.dumps([{'id': f['id'], 'height.:2': str(f['height'])[:2]}
+ if 'height' in f else {'id': f['id']}
+ for f in FORMATS])
+ test('%(formats.:.{id,height.:2})j', (out, None))
+ test('%(formats.:.{id,height}.id)l', ', '.join(f['id'] for f in FORMATS))
+ test('%(.{id,title})j', ('{"id": "1234"}', '{"id": "1234"}'))
# Alternates
test('%(title,id)s', '1234')
test('%(title&foo|baz)s.bar', 'baz.bar')
test('%(x,id&foo|baz)s.bar', 'foo.bar')
test('%(x,title&foo|baz)s.bar', 'baz.bar')
+ test('%(id&a\nb|)s', ('a\nb', 'a b'))
+ test('%(id&hi {:>10} {}|)s', 'hi 1234 1234')
+ test(R'%(id&{0} {}|)s', 'NA')
+ test(R'%(id&{0.1}|)s', 'NA')
+ test('%(height&{:,d})S', '1,080')
# Laziness
def gen():
# Path expansion and escaping
test('Hello %(title1)s', 'Hello $PATH')
test('Hello %(title2)s', 'Hello %PATH%')
- test('%(title3)s', ('foo/bar\\test', 'foo_bar_test'))
- test('folder/%(title3)s', ('folder/foo/bar\\test', 'folder%sfoo_bar_test' % os.path.sep))
+ test('%(title3)s', ('foo/bar\\test', 'foo⧸bar⧹test'))
+ test('folder/%(title3)s', ('folder/foo/bar\\test', 'folder%sfoo⧸bar⧹test' % os.path.sep))
def test_format_note(self):
ydl = YoutubeDL()
class SimplePP(PostProcessor):
def run(self, info):
- with open(audiofile, 'wt') as f:
+ with open(audiofile, 'w') as f:
f.write('EXAMPLE')
return [info['filepath']], info
def run_pp(params, PP):
- with open(filename, 'wt') as f:
+ with open(filename, 'w') as f:
f.write('EXAMPLE')
ydl = YoutubeDL(params)
ydl.add_post_processor(PP())
class ModifierPP(PostProcessor):
def run(self, info):
- with open(info['filepath'], 'wt') as f:
+ with open(info['filepath'], 'w') as f:
f.write('MODIFIED')
return [], info
for v in get_downloaded_info_dicts(params, entries)]
self.assertEqual(results, list(enumerate(zip(expected_ids, expected_ids))), f'Entries of {name} for {params}')
self.assertEqual(sorted(evaluated), expected_eval, f'Evaluation of {name} for {params}')
+
test_selection({}, INDICES)
test_selection({'playlistend': 20}, INDICES, True)
test_selection({'playlistend': 2}, INDICES[:2])
test_selection({'playlist_items': '-15::2'}, INDICES[1::2], True)
test_selection({'playlist_items': '-15::15'}, [], True)
- def test_urlopen_no_file_protocol(self):
- # see https://github.com/ytdl-org/youtube-dl/issues/8227
- ydl = YDL()
- self.assertRaises(urllib.error.URLError, ydl.urlopen, 'file:///etc/passwd')
-
def test_do_not_override_ie_key_in_url_transparent(self):
ydl = YDL()
def _entries(self):
for n in range(3):
- video_id = compat_str(n)
+ video_id = str(n)
yield {
'_type': 'url_transparent',
'ie_key': VideoIE.ie_key(),
self.assertEqual(downloaded['extractor'], 'Video')
self.assertEqual(downloaded['extractor_key'], 'Video')
+ def test_header_cookies(self):
+ from http.cookiejar import Cookie
+
+ ydl = FakeYDL()
+ ydl.report_warning = lambda *_, **__: None
+
+ def cookie(name, value, version=None, domain='', path='', secure=False, expires=None):
+ return Cookie(
+ version or 0, name, value, None, False,
+ domain, bool(domain), bool(domain), path, bool(path),
+ secure, expires, False, None, None, rest={})
+
+ _test_url = 'https://yt.dlp/test'
+
+ def test(encoded_cookies, cookies, *, headers=False, round_trip=None, error_re=None):
+ def _test():
+ ydl.cookiejar.clear()
+ ydl._load_cookies(encoded_cookies, autoscope=headers)
+ if headers:
+ ydl._apply_header_cookies(_test_url)
+ data = {'url': _test_url}
+ ydl._calc_headers(data)
+ self.assertCountEqual(
+ map(vars, ydl.cookiejar), map(vars, cookies),
+ 'Extracted cookiejar.Cookie is not the same')
+ if not headers:
+ self.assertEqual(
+ data.get('cookies'), round_trip or encoded_cookies,
+ 'Cookie is not the same as round trip')
+ ydl.__dict__['_YoutubeDL__header_cookies'] = []
+
+ with self.subTest(msg=encoded_cookies):
+ if not error_re:
+ _test()
+ return
+ with self.assertRaisesRegex(Exception, error_re):
+ _test()
+
+ test('test=value; Domain=.yt.dlp', [cookie('test', 'value', domain='.yt.dlp')])
+ test('test=value', [cookie('test', 'value')], error_re=r'Unscoped cookies are not allowed')
+ test('cookie1=value1; Domain=.yt.dlp; Path=/test; cookie2=value2; Domain=.yt.dlp; Path=/', [
+ cookie('cookie1', 'value1', domain='.yt.dlp', path='/test'),
+ cookie('cookie2', 'value2', domain='.yt.dlp', path='/')])
+ test('test=value; Domain=.yt.dlp; Path=/test; Secure; Expires=9999999999', [
+ cookie('test', 'value', domain='.yt.dlp', path='/test', secure=True, expires=9999999999)])
+ test('test="value; "; path=/test; domain=.yt.dlp', [
+ cookie('test', 'value; ', domain='.yt.dlp', path='/test')],
+ round_trip='test="value\\073 "; Domain=.yt.dlp; Path=/test')
+ test('name=; Domain=.yt.dlp', [cookie('name', '', domain='.yt.dlp')],
+ round_trip='name=""; Domain=.yt.dlp')
+
+ test('test=value', [cookie('test', 'value', domain='.yt.dlp')], headers=True)
+ test('cookie1=value; Domain=.yt.dlp; cookie2=value', [], headers=True, error_re=r'Invalid syntax')
+ ydl.deprecated_feature = ydl.report_error
+ test('test=value', [], headers=True, error_re=r'Passing cookies as a header is a potential security risk')
+
+ def test_infojson_cookies(self):
+ TEST_FILE = 'test_infojson_cookies.info.json'
+ TEST_URL = 'https://example.com/example.mp4'
+ COOKIES = 'a=b; Domain=.example.com; c=d; Domain=.example.com'
+ COOKIE_HEADER = {'Cookie': 'a=b; c=d'}
+
+ ydl = FakeYDL()
+ ydl.process_info = lambda x: ydl._write_info_json('test', x, TEST_FILE)
+
+ def make_info(info_header_cookies=False, fmts_header_cookies=False, cookies_field=False):
+ fmt = {'url': TEST_URL}
+ if fmts_header_cookies:
+ fmt['http_headers'] = COOKIE_HEADER
+ if cookies_field:
+ fmt['cookies'] = COOKIES
+ return _make_result([fmt], http_headers=COOKIE_HEADER if info_header_cookies else None)
+
+ def test(initial_info, note):
+ result = {}
+ result['processed'] = ydl.process_ie_result(initial_info)
+ self.assertTrue(ydl.cookiejar.get_cookies_for_url(TEST_URL),
+ msg=f'No cookies set in cookiejar after initial process when {note}')
+ ydl.cookiejar.clear()
+ with open(TEST_FILE) as infojson:
+ result['loaded'] = ydl.sanitize_info(json.load(infojson), True)
+ result['final'] = ydl.process_ie_result(result['loaded'].copy(), download=False)
+ self.assertTrue(ydl.cookiejar.get_cookies_for_url(TEST_URL),
+ msg=f'No cookies set in cookiejar after final process when {note}')
+ ydl.cookiejar.clear()
+ for key in ('processed', 'loaded', 'final'):
+ info = result[key]
+ self.assertIsNone(
+ traverse_obj(info, ((None, ('formats', 0)), 'http_headers', 'Cookie'), casesense=False, get_all=False),
+ msg=f'Cookie header not removed in {key} result when {note}')
+ self.assertEqual(
+ traverse_obj(info, ((None, ('formats', 0)), 'cookies'), get_all=False), COOKIES,
+ msg=f'No cookies field found in {key} result when {note}')
+
+ test({'url': TEST_URL, 'http_headers': COOKIE_HEADER, 'id': '1', 'title': 'x'}, 'no formats field')
+ test(make_info(info_header_cookies=True), 'info_dict header cokies')
+ test(make_info(fmts_header_cookies=True), 'format header cookies')
+ test(make_info(info_header_cookies=True, fmts_header_cookies=True), 'info_dict and format header cookies')
+ test(make_info(info_header_cookies=True, fmts_header_cookies=True, cookies_field=True), 'all cookies fields')
+ test(make_info(cookies_field=True), 'cookies format field')
+ test({'url': TEST_URL, 'cookies': COOKIES, 'id': '1', 'title': 'x'}, 'info_dict cookies field only')
+
+ try_rm(TEST_FILE)
+
+ def test_add_headers_cookie(self):
+ def check_for_cookie_header(result):
+ return traverse_obj(result, ((None, ('formats', 0)), 'http_headers', 'Cookie'), casesense=False, get_all=False)
+
+ ydl = FakeYDL({'http_headers': {'Cookie': 'a=b'}})
+ ydl._apply_header_cookies(_make_result([])['webpage_url']) # Scope to input webpage URL: .example.com
+
+ fmt = {'url': 'https://example.com/video.mp4'}
+ result = ydl.process_ie_result(_make_result([fmt]), download=False)
+ self.assertIsNone(check_for_cookie_header(result), msg='http_headers cookies in result info_dict')
+ self.assertEqual(result.get('cookies'), 'a=b; Domain=.example.com', msg='No cookies were set in cookies field')
+ self.assertIn('a=b', ydl.cookiejar.get_cookie_header(fmt['url']), msg='No cookies were set in cookiejar')
+
+ fmt = {'url': 'https://wrong.com/video.mp4'}
+ result = ydl.process_ie_result(_make_result([fmt]), download=False)
+ self.assertIsNone(check_for_cookie_header(result), msg='http_headers cookies for wrong domain')
+ self.assertFalse(result.get('cookies'), msg='Cookies set in cookies field for wrong domain')
+ self.assertFalse(ydl.cookiejar.get_cookie_header(fmt['url']), msg='Cookies set in cookiejar for wrong domain')
+
if __name__ == '__main__':
unittest.main()