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[youtubedl] / test / test_utils.py

diff --git a/test/test_utils.py b/test/test_utils.py
index baa3a215657026245bf93960c53374bc3abdd61b..01829f71e3b89148b06d6b0fe2eba6d15d6b5dfb 100644 (file)
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -16,38 +16,60 @@ import json
 import xml.etree.ElementTree
 
 from youtube_dl.utils import (
 import xml.etree.ElementTree
 
 from youtube_dl.utils import (

+    age_restricted,
+    args_to_str,

     clean_html,
     DateRange,
     clean_html,
     DateRange,

+    detect_exe_version,

     encodeFilename,
     encodeFilename,

+    escape_rfc3986,
+    escape_url,
+    ExtractorError,

     find_xpath_attr,
     fix_xml_ampersands,
     find_xpath_attr,
     fix_xml_ampersands,

-    orderedSet,
-    OnDemandPagedList,

     InAdvancePagedList,
     InAdvancePagedList,

+    intlist_to_bytes,
+    is_html,
+    js_to_json,
+    limit_length,
+    OnDemandPagedList,
+    orderedSet,

     parse_duration,
     parse_duration,

+    parse_filesize,
+    parse_iso8601,

     read_batch_urls,
     sanitize_filename,
     read_batch_urls,
     sanitize_filename,

+    sanitize_path,
+    prepend_extension,
+    replace_extension,

     shell_quote,
     smuggle_url,
     str_to_int,
     shell_quote,
     smuggle_url,
     str_to_int,

+    strip_jsonp,

     struct_unpack,
     timeconvert,
     unescapeHTML,
     unified_strdate,
     unsmuggle_url,
     struct_unpack,
     timeconvert,
     unescapeHTML,
     unified_strdate,
     unsmuggle_url,

+    uppercase_escape,
+    lowercase_escape,

     url_basename,
     urlencode_postdata,
     url_basename,
     urlencode_postdata,

+    version_tuple,

     xpath_with_ns,
     xpath_with_ns,

-    parse_iso8601,
-    strip_jsonp,
-    uppercase_escape,
-    limit_length,
-    escape_rfc3986,
-    escape_url,
-    js_to_json,
-    intlist_to_bytes,
-    args_to_str,
-    parse_filesize,
+    xpath_element,
+    xpath_text,
+    xpath_attr,
+    render_table,
+    match_str,
+    parse_dfxp_time_expr,
+    dfxp2srt,
+    cli_option,
+    cli_valueless_option,
+    cli_bool_option,
+)
+from youtube_dl.compat import (
+    compat_etree_fromstring,

 )
 
 
 )
 
 


@@ -76,6 +98,15 @@ class TestUtil(unittest.TestCase):
         tests = '\u043a\u0438\u0440\u0438\u043b\u043b\u0438\u0446\u0430'
         self.assertEqual(sanitize_filename(tests), tests)
 
         tests = '\u043a\u0438\u0440\u0438\u043b\u043b\u0438\u0446\u0430'
         self.assertEqual(sanitize_filename(tests), tests)
 

+        self.assertEqual(
+            sanitize_filename('New World record at 0:12:34'),
+            'New World record at 0_12_34')
+
+        self.assertEqual(sanitize_filename('--gasdgf'), '_-gasdgf')
+        self.assertEqual(sanitize_filename('--gasdgf', is_id=True), '--gasdgf')
+        self.assertEqual(sanitize_filename('.gasdgf'), 'gasdgf')
+        self.assertEqual(sanitize_filename('.gasdgf', is_id=True), '.gasdgf')
+

         forbidden = '"\0\\/'
         for fc in forbidden:
             for fbc in forbidden:
         forbidden = '"\0\\/'
         for fc in forbidden:
             for fbc in forbidden:


@@ -116,6 +147,58 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(sanitize_filename('_BD_eEpuzXw', is_id=True), '_BD_eEpuzXw')
         self.assertEqual(sanitize_filename('N0Y__7-UOdI', is_id=True), 'N0Y__7-UOdI')
 
         self.assertEqual(sanitize_filename('_BD_eEpuzXw', is_id=True), '_BD_eEpuzXw')
         self.assertEqual(sanitize_filename('N0Y__7-UOdI', is_id=True), 'N0Y__7-UOdI')
 

+    def test_sanitize_path(self):
+        if sys.platform != 'win32':
+            return
+
+        self.assertEqual(sanitize_path('abc'), 'abc')
+        self.assertEqual(sanitize_path('abc/def'), 'abc\\def')
+        self.assertEqual(sanitize_path('abc\\def'), 'abc\\def')
+        self.assertEqual(sanitize_path('abc|def'), 'abc#def')
+        self.assertEqual(sanitize_path('<>:"|?*'), '#######')
+        self.assertEqual(sanitize_path('C:/abc/def'), 'C:\\abc\\def')
+        self.assertEqual(sanitize_path('C?:/abc/def'), 'C##\\abc\\def')
+
+        self.assertEqual(sanitize_path('\\\\?\\UNC\\ComputerName\\abc'), '\\\\?\\UNC\\ComputerName\\abc')
+        self.assertEqual(sanitize_path('\\\\?\\UNC/ComputerName/abc'), '\\\\?\\UNC\\ComputerName\\abc')
+
+        self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
+        self.assertEqual(sanitize_path('\\\\?\\C:/abc'), '\\\\?\\C:\\abc')
+        self.assertEqual(sanitize_path('\\\\?\\C:\\ab?c\\de:f'), '\\\\?\\C:\\ab#c\\de#f')
+        self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
+
+        self.assertEqual(
+            sanitize_path('youtube/%(uploader)s/%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s'),
+            'youtube\\%(uploader)s\\%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s')
+
+        self.assertEqual(
+            sanitize_path('youtube/TheWreckingYard ./00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part'),
+            'youtube\\TheWreckingYard #\\00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part')
+        self.assertEqual(sanitize_path('abc/def...'), 'abc\\def..#')
+        self.assertEqual(sanitize_path('abc.../def'), 'abc..#\\def')
+        self.assertEqual(sanitize_path('abc.../def...'), 'abc..#\\def..#')
+
+        self.assertEqual(sanitize_path('../abc'), '..\\abc')
+        self.assertEqual(sanitize_path('../../abc'), '..\\..\\abc')
+        self.assertEqual(sanitize_path('./abc'), 'abc')
+        self.assertEqual(sanitize_path('./../abc'), '..\\abc')
+
+    def test_prepend_extension(self):
+        self.assertEqual(prepend_extension('abc.ext', 'temp'), 'abc.temp.ext')
+        self.assertEqual(prepend_extension('abc.ext', 'temp', 'ext'), 'abc.temp.ext')
+        self.assertEqual(prepend_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
+        self.assertEqual(prepend_extension('abc', 'temp'), 'abc.temp')
+        self.assertEqual(prepend_extension('.abc', 'temp'), '.abc.temp')
+        self.assertEqual(prepend_extension('.abc.ext', 'temp'), '.abc.temp.ext')
+
+    def test_replace_extension(self):
+        self.assertEqual(replace_extension('abc.ext', 'temp'), 'abc.temp')
+        self.assertEqual(replace_extension('abc.ext', 'temp', 'ext'), 'abc.temp')
+        self.assertEqual(replace_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
+        self.assertEqual(replace_extension('abc', 'temp'), 'abc.temp')
+        self.assertEqual(replace_extension('.abc', 'temp'), '.abc.temp')
+        self.assertEqual(replace_extension('.abc.ext', 'temp'), '.abc.temp')
+

     def test_ordered_set(self):
         self.assertEqual(orderedSet([1, 1, 2, 3, 4, 4, 5, 6, 7, 3, 5]), [1, 2, 3, 4, 5, 6, 7])
         self.assertEqual(orderedSet([]), [])
     def test_ordered_set(self):
         self.assertEqual(orderedSet([1, 1, 2, 3, 4, 4, 5, 6, 7, 3, 5]), [1, 2, 3, 4, 5, 6, 7])
         self.assertEqual(orderedSet([]), [])


@@ -125,6 +208,8 @@ class TestUtil(unittest.TestCase):
 
     def test_unescape_html(self):
         self.assertEqual(unescapeHTML('%20;'), '%20;')
 
     def test_unescape_html(self):
         self.assertEqual(unescapeHTML('%20;'), '%20;')

+        self.assertEqual(unescapeHTML('&#x2F;'), '/')
+        self.assertEqual(unescapeHTML('&#47;'), '/')

         self.assertEqual(
             unescapeHTML('&eacute;'), 'é')
 
         self.assertEqual(
             unescapeHTML('&eacute;'), 'é')
 


@@ -141,8 +226,17 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(unified_strdate('8/7/2009'), '20090708')
         self.assertEqual(unified_strdate('Dec 14, 2012'), '20121214')
         self.assertEqual(unified_strdate('2012/10/11 01:56:38 +0000'), '20121011')
         self.assertEqual(unified_strdate('8/7/2009'), '20090708')
         self.assertEqual(unified_strdate('Dec 14, 2012'), '20121214')
         self.assertEqual(unified_strdate('2012/10/11 01:56:38 +0000'), '20121011')

+        self.assertEqual(unified_strdate('1968 12 10'), '19681210')

         self.assertEqual(unified_strdate('1968-12-10'), '19681210')
         self.assertEqual(unified_strdate('28/01/2014 21:00:00 +0100'), '20140128')
         self.assertEqual(unified_strdate('1968-12-10'), '19681210')
         self.assertEqual(unified_strdate('28/01/2014 21:00:00 +0100'), '20140128')

+        self.assertEqual(
+            unified_strdate('11/26/2014 11:30:00 AM PST', day_first=False),
+            '20141126')
+        self.assertEqual(
+            unified_strdate('2/2/2015 6:47:40 PM', day_first=False),
+            '20150202')
+        self.assertEqual(unified_strdate('25-09-2014'), '20140925')
+        self.assertEqual(unified_strdate('UNKNOWN DATE FORMAT'), None)

 
     def test_find_xpath_attr(self):
         testxml = '''<root>
 
     def test_find_xpath_attr(self):
         testxml = '''<root>


@@ -150,12 +244,21 @@ class TestUtil(unittest.TestCase):
             <node x="a"/>
             <node x="a" y="c" />
             <node x="b" y="d" />
             <node x="a"/>
             <node x="a" y="c" />
             <node x="b" y="d" />

+            <node x="" />

         </root>'''
         </root>'''

-        doc = xml.etree.ElementTree.fromstring(testxml)
+        doc = compat_etree_fromstring(testxml)

 
 

+        self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n'), None)

         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n', 'v'), None)
         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n', 'v'), None)

+        self.assertEqual(find_xpath_attr(doc, './/node', 'n'), None)
+        self.assertEqual(find_xpath_attr(doc, './/node', 'n', 'v'), None)
+        self.assertEqual(find_xpath_attr(doc, './/node', 'x'), doc[1])

         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'a'), doc[1])
         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'a'), doc[1])

+        self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'b'), doc[3])
+        self.assertEqual(find_xpath_attr(doc, './/node', 'y'), doc[2])

         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'c'), doc[2])
         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'c'), doc[2])

+        self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'd'), doc[3])
+        self.assertEqual(find_xpath_attr(doc, './/node', 'x', ''), doc[4])

 
     def test_xpath_with_ns(self):
         testxml = '''<root xmlns:media="http://example.com/">
 
     def test_xpath_with_ns(self):
         testxml = '''<root xmlns:media="http://example.com/">


@@ -164,12 +267,56 @@ class TestUtil(unittest.TestCase):
                 <url>http://server.com/download.mp3</url>
             </media:song>
         </root>'''
                 <url>http://server.com/download.mp3</url>
             </media:song>
         </root>'''

-        doc = xml.etree.ElementTree.fromstring(testxml)
+        doc = compat_etree_fromstring(testxml)

         find = lambda p: doc.find(xpath_with_ns(p, {'media': 'http://example.com/'}))
         self.assertTrue(find('media:song') is not None)
         self.assertEqual(find('media:song/media:author').text, 'The Author')
         self.assertEqual(find('media:song/url').text, 'http://server.com/download.mp3')
 
         find = lambda p: doc.find(xpath_with_ns(p, {'media': 'http://example.com/'}))
         self.assertTrue(find('media:song') is not None)
         self.assertEqual(find('media:song/media:author').text, 'The Author')
         self.assertEqual(find('media:song/url').text, 'http://server.com/download.mp3')
 

+    def test_xpath_element(self):
+        doc = xml.etree.ElementTree.Element('root')
+        div = xml.etree.ElementTree.SubElement(doc, 'div')
+        p = xml.etree.ElementTree.SubElement(div, 'p')
+        p.text = 'Foo'
+        self.assertEqual(xpath_element(doc, 'div/p'), p)
+        self.assertEqual(xpath_element(doc, ['div/p']), p)
+        self.assertEqual(xpath_element(doc, ['div/bar', 'div/p']), p)
+        self.assertEqual(xpath_element(doc, 'div/bar', default='default'), 'default')
+        self.assertEqual(xpath_element(doc, ['div/bar'], default='default'), 'default')
+        self.assertTrue(xpath_element(doc, 'div/bar') is None)
+        self.assertTrue(xpath_element(doc, ['div/bar']) is None)
+        self.assertTrue(xpath_element(doc, ['div/bar'], 'div/baz') is None)
+        self.assertRaises(ExtractorError, xpath_element, doc, 'div/bar', fatal=True)
+        self.assertRaises(ExtractorError, xpath_element, doc, ['div/bar'], fatal=True)
+        self.assertRaises(ExtractorError, xpath_element, doc, ['div/bar', 'div/baz'], fatal=True)
+
+    def test_xpath_text(self):
+        testxml = '''<root>
+            <div>
+                <p>Foo</p>
+            </div>
+        </root>'''
+        doc = compat_etree_fromstring(testxml)
+        self.assertEqual(xpath_text(doc, 'div/p'), 'Foo')
+        self.assertEqual(xpath_text(doc, 'div/bar', default='default'), 'default')
+        self.assertTrue(xpath_text(doc, 'div/bar') is None)
+        self.assertRaises(ExtractorError, xpath_text, doc, 'div/bar', fatal=True)
+
+    def test_xpath_attr(self):
+        testxml = '''<root>
+            <div>
+                <p x="a">Foo</p>
+            </div>
+        </root>'''
+        doc = compat_etree_fromstring(testxml)
+        self.assertEqual(xpath_attr(doc, 'div/p', 'x'), 'a')
+        self.assertEqual(xpath_attr(doc, 'div/bar', 'x'), None)
+        self.assertEqual(xpath_attr(doc, 'div/p', 'y'), None)
+        self.assertEqual(xpath_attr(doc, 'div/bar', 'x', default='default'), 'default')
+        self.assertEqual(xpath_attr(doc, 'div/p', 'y', default='default'), 'default')
+        self.assertRaises(ExtractorError, xpath_attr, doc, 'div/bar', 'x', fatal=True)
+        self.assertRaises(ExtractorError, xpath_attr, doc, 'div/p', 'y', fatal=True)
+

     def test_smuggle_url(self):
         data = {"ö": "ö", "abc": [3]}
         url = 'https://foo.bar/baz?x=y#a'
     def test_smuggle_url(self):
         data = {"ö": "ö", "abc": [3]}
         url = 'https://foo.bar/baz?x=y#a'


@@ -202,6 +349,8 @@ class TestUtil(unittest.TestCase):
 
     def test_parse_duration(self):
         self.assertEqual(parse_duration(None), None)
 
     def test_parse_duration(self):
         self.assertEqual(parse_duration(None), None)

+        self.assertEqual(parse_duration(False), None)
+        self.assertEqual(parse_duration('invalid'), None)

         self.assertEqual(parse_duration('1'), 1)
         self.assertEqual(parse_duration('1337:12'), 80232)
         self.assertEqual(parse_duration('9:12:43'), 33163)
         self.assertEqual(parse_duration('1'), 1)
         self.assertEqual(parse_duration('1337:12'), 80232)
         self.assertEqual(parse_duration('9:12:43'), 33163)


@@ -220,6 +369,13 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(parse_duration('0s'), 0)
         self.assertEqual(parse_duration('01:02:03.05'), 3723.05)
         self.assertEqual(parse_duration('T30M38S'), 1838)
         self.assertEqual(parse_duration('0s'), 0)
         self.assertEqual(parse_duration('01:02:03.05'), 3723.05)
         self.assertEqual(parse_duration('T30M38S'), 1838)

+        self.assertEqual(parse_duration('5 s'), 5)
+        self.assertEqual(parse_duration('3 min'), 180)
+        self.assertEqual(parse_duration('2.5 hours'), 9000)
+        self.assertEqual(parse_duration('02:03:04'), 7384)
+        self.assertEqual(parse_duration('01:02:03:04'), 93784)
+        self.assertEqual(parse_duration('1 hour 3 minutes'), 3780)
+        self.assertEqual(parse_duration('87 Min.'), 5220)

 
     def test_fix_xml_ampersands(self):
         self.assertEqual(
 
     def test_fix_xml_ampersands(self):
         self.assertEqual(


@@ -280,6 +436,8 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(parse_iso8601('2014-03-23T22:04:26+0000'), 1395612266)
         self.assertEqual(parse_iso8601('2014-03-23T22:04:26Z'), 1395612266)
         self.assertEqual(parse_iso8601('2014-03-23T22:04:26.1234Z'), 1395612266)
         self.assertEqual(parse_iso8601('2014-03-23T22:04:26+0000'), 1395612266)
         self.assertEqual(parse_iso8601('2014-03-23T22:04:26Z'), 1395612266)
         self.assertEqual(parse_iso8601('2014-03-23T22:04:26.1234Z'), 1395612266)

+        self.assertEqual(parse_iso8601('2015-09-29T08:27:31.727'), 1443515251)
+        self.assertEqual(parse_iso8601('2015-09-29T08-27-31.727'), None)

 
     def test_strip_jsonp(self):
         stripped = strip_jsonp('cb ([ {"id":"532cb",\n\n\n"x":\n3}\n]\n);')
 
     def test_strip_jsonp(self):
         stripped = strip_jsonp('cb ([ {"id":"532cb",\n\n\n"x":\n3}\n]\n);')


@@ -294,6 +452,10 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(uppercase_escape('aä'), 'aä')
         self.assertEqual(uppercase_escape('\\U0001d550'), '𝕐')
 
         self.assertEqual(uppercase_escape('aä'), 'aä')
         self.assertEqual(uppercase_escape('\\U0001d550'), '𝕐')
 

+    def test_lowercase_escape(self):
+        self.assertEqual(lowercase_escape('aä'), 'aä')
+        self.assertEqual(lowercase_escape('\\u0026'), '&')
+

     def test_limit_length(self):
         self.assertEqual(limit_length(None, 12), None)
         self.assertEqual(limit_length('foo', 12), 'foo')
     def test_limit_length(self):
         self.assertEqual(limit_length(None, 12), None)
         self.assertEqual(limit_length('foo', 12), 'foo')


@@ -346,6 +508,13 @@ class TestUtil(unittest.TestCase):
             "playlist":[{"controls":{"all":null}}]
         }''')
 
             "playlist":[{"controls":{"all":null}}]
         }''')
 

+        inp = '''"The CW\\'s \\'Crazy Ex-Girlfriend\\'"'''
+        self.assertEqual(js_to_json(inp), '''"The CW's 'Crazy Ex-Girlfriend'"''')
+
+        inp = '"SAND Number: SAND 2013-7800P\\nPresenter: Tom Russo\\nHabanero Software Training - Xyce Software\\nXyce, Sandia\\u0027s"'
+        json_code = js_to_json(inp)
+        self.assertEqual(json.loads(json_code), json.loads(inp))
+

     def test_js_to_json_edgecases(self):
         on = js_to_json("{abc_def:'1\\'\\\\2\\\\\\'3\"4'}")
         self.assertEqual(json.loads(on), {"abc_def": "1'\\2\\'3\"4"})
     def test_js_to_json_edgecases(self):
         on = js_to_json("{abc_def:'1\\'\\\\2\\\\\\'3\"4'}")
         self.assertEqual(json.loads(on), {"abc_def": "1'\\2\\'3\"4"})


@@ -353,6 +522,22 @@ class TestUtil(unittest.TestCase):
         on = js_to_json('{"abc": true}')
         self.assertEqual(json.loads(on), {'abc': True})
 
         on = js_to_json('{"abc": true}')
         self.assertEqual(json.loads(on), {'abc': True})
 

+        # Ignore JavaScript code as well
+        on = js_to_json('''{
+            "x": 1,
+            y: "a",
+            z: some.code
+        }''')
+        d = json.loads(on)
+        self.assertEqual(d['x'], 1)
+        self.assertEqual(d['y'], 'a')
+
+        on = js_to_json('["abc", "def",]')
+        self.assertEqual(json.loads(on), ['abc', 'def'])
+
+        on = js_to_json('{"abc": "def",}')
+        self.assertEqual(json.loads(on), {'abc': 'def'})
+

     def test_clean_html(self):
         self.assertEqual(clean_html('a:\nb'), 'a: b')
         self.assertEqual(clean_html('a:\n   "b"'), 'a:    "b"')
     def test_clean_html(self):
         self.assertEqual(clean_html('a:\nb'), 'a: b')
         self.assertEqual(clean_html('a:\n   "b"'), 'a:    "b"')


@@ -376,6 +561,183 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(parse_filesize('2 MiB'), 2097152)
         self.assertEqual(parse_filesize('5 GB'), 5000000000)
         self.assertEqual(parse_filesize('1.2Tb'), 1200000000000)
         self.assertEqual(parse_filesize('2 MiB'), 2097152)
         self.assertEqual(parse_filesize('5 GB'), 5000000000)
         self.assertEqual(parse_filesize('1.2Tb'), 1200000000000)

+        self.assertEqual(parse_filesize('1,24 KB'), 1240)
+
+    def test_version_tuple(self):
+        self.assertEqual(version_tuple('1'), (1,))
+        self.assertEqual(version_tuple('10.23.344'), (10, 23, 344))
+        self.assertEqual(version_tuple('10.1-6'), (10, 1, 6))  # avconv style
+
+    def test_detect_exe_version(self):
+        self.assertEqual(detect_exe_version('''ffmpeg version 1.2.1
+built on May 27 2013 08:37:26 with gcc 4.7 (Debian 4.7.3-4)
+configuration: --prefix=/usr --extra-'''), '1.2.1')
+        self.assertEqual(detect_exe_version('''ffmpeg version N-63176-g1fb4685
+built on May 15 2014 22:09:06 with gcc 4.8.2 (GCC)'''), 'N-63176-g1fb4685')
+        self.assertEqual(detect_exe_version('''X server found. dri2 connection failed!
+Trying to open render node...
+Success at /dev/dri/renderD128.
+ffmpeg version 2.4.4 Copyright (c) 2000-2014 the FFmpeg ...'''), '2.4.4')
+
+    def test_age_restricted(self):
+        self.assertFalse(age_restricted(None, 10))  # unrestricted content
+        self.assertFalse(age_restricted(1, None))  # unrestricted policy
+        self.assertFalse(age_restricted(8, 10))
+        self.assertTrue(age_restricted(18, 14))
+        self.assertFalse(age_restricted(18, 18))
+
+    def test_is_html(self):
+        self.assertFalse(is_html(b'\x49\x44\x43<html'))
+        self.assertTrue(is_html(b'<!DOCTYPE foo>\xaaa'))
+        self.assertTrue(is_html(  # UTF-8 with BOM
+            b'\xef\xbb\xbf<!DOCTYPE foo>\xaaa'))
+        self.assertTrue(is_html(  # UTF-16-LE
+            b'\xff\xfe<\x00h\x00t\x00m\x00l\x00>\x00\xe4\x00'
+        ))
+        self.assertTrue(is_html(  # UTF-16-BE
+            b'\xfe\xff\x00<\x00h\x00t\x00m\x00l\x00>\x00\xe4'
+        ))
+        self.assertTrue(is_html(  # UTF-32-BE
+            b'\x00\x00\xFE\xFF\x00\x00\x00<\x00\x00\x00h\x00\x00\x00t\x00\x00\x00m\x00\x00\x00l\x00\x00\x00>\x00\x00\x00\xe4'))
+        self.assertTrue(is_html(  # UTF-32-LE
+            b'\xFF\xFE\x00\x00<\x00\x00\x00h\x00\x00\x00t\x00\x00\x00m\x00\x00\x00l\x00\x00\x00>\x00\x00\x00\xe4\x00\x00\x00'))
+
+    def test_render_table(self):
+        self.assertEqual(
+            render_table(
+                ['a', 'bcd'],
+                [[123, 4], [9999, 51]]),
+            'a    bcd\n'
+            '123  4\n'
+            '9999 51')
+
+    def test_match_str(self):
+        self.assertRaises(ValueError, match_str, 'xy>foobar', {})
+        self.assertFalse(match_str('xy', {'x': 1200}))
+        self.assertTrue(match_str('!xy', {'x': 1200}))
+        self.assertTrue(match_str('x', {'x': 1200}))
+        self.assertFalse(match_str('!x', {'x': 1200}))
+        self.assertTrue(match_str('x', {'x': 0}))
+        self.assertFalse(match_str('x>0', {'x': 0}))
+        self.assertFalse(match_str('x>0', {}))
+        self.assertTrue(match_str('x>?0', {}))
+        self.assertTrue(match_str('x>1K', {'x': 1200}))
+        self.assertFalse(match_str('x>2K', {'x': 1200}))
+        self.assertTrue(match_str('x>=1200 & x < 1300', {'x': 1200}))
+        self.assertFalse(match_str('x>=1100 & x < 1200', {'x': 1200}))
+        self.assertFalse(match_str('y=a212', {'y': 'foobar42'}))
+        self.assertTrue(match_str('y=foobar42', {'y': 'foobar42'}))
+        self.assertFalse(match_str('y!=foobar42', {'y': 'foobar42'}))
+        self.assertTrue(match_str('y!=foobar2', {'y': 'foobar42'}))
+        self.assertFalse(match_str(
+            'like_count > 100 & dislike_count <? 50 & description',
+            {'like_count': 90, 'description': 'foo'}))
+        self.assertTrue(match_str(
+            'like_count > 100 & dislike_count <? 50 & description',
+            {'like_count': 190, 'description': 'foo'}))
+        self.assertFalse(match_str(
+            'like_count > 100 & dislike_count <? 50 & description',
+            {'like_count': 190, 'dislike_count': 60, 'description': 'foo'}))
+        self.assertFalse(match_str(
+            'like_count > 100 & dislike_count <? 50 & description',
+            {'like_count': 190, 'dislike_count': 10}))
+
+    def test_parse_dfxp_time_expr(self):
+        self.assertEqual(parse_dfxp_time_expr(None), 0.0)
+        self.assertEqual(parse_dfxp_time_expr(''), 0.0)
+        self.assertEqual(parse_dfxp_time_expr('0.1'), 0.1)
+        self.assertEqual(parse_dfxp_time_expr('0.1s'), 0.1)
+        self.assertEqual(parse_dfxp_time_expr('00:00:01'), 1.0)
+        self.assertEqual(parse_dfxp_time_expr('00:00:01.100'), 1.1)
+
+    def test_dfxp2srt(self):
+        dfxp_data = '''<?xml version="1.0" encoding="UTF-8"?>
+            <tt xmlns="http://www.w3.org/ns/ttml" xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
+            <body>
+                <div xml:lang="en">
+                    <p begin="0" end="1">The following line contains Chinese characters and special symbols</p>
+                    <p begin="1" end="2">第二行<br/>♪♪</p>
+                    <p begin="2" dur="1"><span>Third<br/>Line</span></p>
+                </div>
+            </body>
+            </tt>'''
+        srt_data = '''1
+00:00:00,000 --> 00:00:01,000
+The following line contains Chinese characters and special symbols
+
+2
+00:00:01,000 --> 00:00:02,000
+第二行
+♪♪
+
+3
+00:00:02,000 --> 00:00:03,000
+Third
+Line
+
+'''
+        self.assertEqual(dfxp2srt(dfxp_data), srt_data)
+
+        dfxp_data_no_default_namespace = '''<?xml version="1.0" encoding="UTF-8"?>
+            <tt xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
+            <body>
+                <div xml:lang="en">
+                    <p begin="0" end="1">The first line</p>
+                </div>
+            </body>
+            </tt>'''
+        srt_data = '''1
+00:00:00,000 --> 00:00:01,000
+The first line
+
+'''
+        self.assertEqual(dfxp2srt(dfxp_data_no_default_namespace), srt_data)
+
+    def test_cli_option(self):
+        self.assertEqual(cli_option({'proxy': '127.0.0.1:3128'}, '--proxy', 'proxy'), ['--proxy', '127.0.0.1:3128'])
+        self.assertEqual(cli_option({'proxy': None}, '--proxy', 'proxy'), [])
+        self.assertEqual(cli_option({}, '--proxy', 'proxy'), [])
+
+    def test_cli_valueless_option(self):
+        self.assertEqual(cli_valueless_option(
+            {'downloader': 'external'}, '--external-downloader', 'downloader', 'external'), ['--external-downloader'])
+        self.assertEqual(cli_valueless_option(
+            {'downloader': 'internal'}, '--external-downloader', 'downloader', 'external'), [])
+        self.assertEqual(cli_valueless_option(
+            {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate'), ['--no-check-certificate'])
+        self.assertEqual(cli_valueless_option(
+            {'nocheckcertificate': False}, '--no-check-certificate', 'nocheckcertificate'), [])
+        self.assertEqual(cli_valueless_option(
+            {'checkcertificate': True}, '--no-check-certificate', 'checkcertificate', False), [])
+        self.assertEqual(cli_valueless_option(
+            {'checkcertificate': False}, '--no-check-certificate', 'checkcertificate', False), ['--no-check-certificate'])
+
+    def test_cli_bool_option(self):
+        self.assertEqual(
+            cli_bool_option(
+                {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate'),
+            ['--no-check-certificate', 'true'])
+        self.assertEqual(
+            cli_bool_option(
+                {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate', separator='='),
+            ['--no-check-certificate=true'])
+        self.assertEqual(
+            cli_bool_option(
+                {'nocheckcertificate': True}, '--check-certificate', 'nocheckcertificate', 'false', 'true'),
+            ['--check-certificate', 'false'])
+        self.assertEqual(
+            cli_bool_option(
+                {'nocheckcertificate': True}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
+            ['--check-certificate=false'])
+        self.assertEqual(
+            cli_bool_option(
+                {'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true'),
+            ['--check-certificate', 'true'])
+        self.assertEqual(
+            cli_bool_option(
+                {'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
+            ['--check-certificate=true'])
+

 
 if __name__ == '__main__':
     unittest.main()
 
 if __name__ == '__main__':
     unittest.main()