# -*- coding: utf-8 -*-

# Various small unit tests

import unittest

#from youtube_dl.utils import htmlentity_transform
from youtube_dl.utils import timeconvert
from youtube_dl.utils import sanitize_filename
from youtube_dl.utils import unescapeHTML
from youtube_dl.utils import orderedSet


class TestUtil(unittest.TestCase):
    def test_timeconvert(self):
        self.assertIsNone(timeconvert(''))
        self.assertIsNone(timeconvert('bougrg'))

    def test_sanitize_filename(self):
        self.assertEqual(sanitize_filename(u'abc'), u'abc')
        self.assertEqual(sanitize_filename(u'abc_d-e'), u'abc_d-e')

        self.assertEqual(sanitize_filename(u'123'), u'123')

        self.assertNotIn(u'/', sanitize_filename(u'abc/de'))
        self.assertNotIn(u'abc', sanitize_filename(u'abc/de'))
        self.assertIn(u'de', sanitize_filename(u'abc/de'))
        self.assertNotIn(u'/', sanitize_filename(u'abc/de///'))

        self.assertIn(u'\\', sanitize_filename(u'abc\\de'))
        self.assertIn(u'abc', sanitize_filename(u'abc\\de'))
        self.assertIn(u'de', sanitize_filename(u'abc\\de'))

        self.assertEqual(sanitize_filename(u'ä'), u'ä')
        self.assertEqual(sanitize_filename(u'кириллица'), u'кириллица')

    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([]), [])
        self.assertEqual(orderedSet([1]), [1])
        #keep the list ordered
        self.assertEqual(orderedSet([135,1,1,1]), [135,1])

    def test_unescape_html(self):
        self.assertEqual(unescapeHTML(u"%20;"), u"%20;")
        self.assertEqual(unescapeHTML(u"gre&tre&yre"), [u'gre', u'tre', u'yre'])