adding TestCase class and corresponding test

test/test_utils.py

@@ -2,22 +2,47 @@
 
 # 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
 
-def test_sanitize_filename():
-	assert sanitize_filename(u'abc') == u'abc'
-	assert sanitize_filename(u'abc_d-e') == u'abc_d-e'
 
-	assert sanitize_filename(u'123') == u'123'
+class TestUtil(unittest.TestCase):
+    def test_timeconvert(self):
+        self.assertIsNone(timeconvert(''))
+        self.assertIsNone(timeconvert('bougrg'))
 
-	assert u'/' not in sanitize_filename(u'abc/de')
+    def test_sanitize_filename(self):
-	assert u'abc' in sanitize_filename(u'abc/de')
+        self.assertEqual(sanitize_filename(u'abc'), u'abc')
-	assert u'de' in sanitize_filename(u'abc/de')
+        self.assertEqual(sanitize_filename(u'abc_d-e'), u'abc_d-e')
-	assert u'/' not in sanitize_filename(u'abc/de///')
+
+        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'])
 
-	assert u'\\' not in sanitize_filename(u'abc\\de')
-	assert u'abc' in sanitize_filename(u'abc\\de')
-	assert u'de' in sanitize_filename(u'abc\\de')
 
-	assert sanitize_filename(u'ä') == u'ä'
-	assert sanitize_filename(u'кириллица') == u'кириллица'