def test_rename_file_name(self):
     self.assertEqual("01_my_file_name",
                      rename_file_name('23_my_file_name', 1, padding=2))
     self.assertEqual("02_my_file_name",
                      rename_file_name('23_my_file_name', 2, padding=2))
     self.assertEqual("10_my_file_name",
                      rename_file_name('23_my_file_name', 10, padding=2))
     self.assertEqual("123_my_file_name",
                      rename_file_name('23_my_file_name', 123, padding=2))
 def test_rename_file_name_different_padding(self):
     self.assertEqual("0001_my_file_name",
                      rename_file_name('123_my_file_name', 1, padding=4))
 def test_rename_file_different_separators(self):
     self.assertEqual("01.my.file.name",
                      rename_file_name('23.my.file.name', 1, padding=2))
     self.assertEqual("01.my_file.name",
                      rename_file_name('23.my_file.name', 1, padding=2))
 def test_rename_file_name_ignore_non_number_file(self):
     self.assertEqual("my_file_name",
                      rename_file_name('my_file_name', 1, padding=2))
 def test_rename_file_name_different_padding(self):
     self.assertEqual("0001_my_file_name", rename_file_name('123_my_file_name', 1, padding=4))
 def test_rename_file_different_separators(self):
     self.assertEqual("01.my.file.name", rename_file_name('23.my.file.name', 1, padding=2))
     self.assertEqual("01.my_file.name", rename_file_name('23.my_file.name', 1, padding=2))
 def test_rename_file_name_ignore_non_number_file(self):
     self.assertEqual("my_file_name", rename_file_name('my_file_name', 1, padding=2))
 def test_rename_file_name(self):
     self.assertEqual("01_my_file_name", rename_file_name('23_my_file_name', 1, padding=2))
     self.assertEqual("02_my_file_name", rename_file_name('23_my_file_name', 2, padding=2))
     self.assertEqual("10_my_file_name", rename_file_name('23_my_file_name', 10, padding=2))
     self.assertEqual("123_my_file_name", rename_file_name('23_my_file_name', 123, padding=2))