+# -*- coding: utf-8 -*-
+
+# Various small unit tests
+
+import os,sys
+sys.path.append(os.path.dirname(os.path.dirname(__file__)))
+
+import youtube_dl
+
+def test_simplify_title():
+ assert youtube_dl._simplify_title(u'abc') == u'abc'
+ assert youtube_dl._simplify_title(u'abc_d-e') == u'abc_d-e'
+
+ assert youtube_dl._simplify_title(u'123') == u'123'
+
+ assert u'/' not in youtube_dl._simplify_title(u'abc/de')
+ assert u'abc' in youtube_dl._simplify_title(u'abc/de')
+ assert u'de' in youtube_dl._simplify_title(u'abc/de')
+ assert u'/' not in youtube_dl._simplify_title(u'abc/de///')
+
+ assert u'\\' not in youtube_dl._simplify_title(u'abc\\de')
+ assert u'abc' in youtube_dl._simplify_title(u'abc\\de')
+ assert u'de' in youtube_dl._simplify_title(u'abc\\de')
+
+ assert youtube_dl._simplify_title(u'ä') == u'ä'
+ assert youtube_dl._simplify_title(u'кириллица') == u'кириллица'
+
+ # Strip underlines
+ assert youtube_dl._simplify_title(u'\'a_') == u'a'