Python first_non_repeating_letter Examples

Example #1

 def test_FirstNonRepeatingCharIsThisChar(self):
     self.assertEquals("t", first_non_repeating_letter("stress"))
     self.assertEquals("e", first_non_repeating_letter("moonmen"))

Example #2

 def test_SingleCharIsChar(self):
     self.assertEquals("a", first_non_repeating_letter("a"))
     self.assertEquals("#", first_non_repeating_letter("#"))

Example #3

 def test_HandleLetterCases(self):
     self.assertEquals("T", first_non_repeating_letter("sTreSS"))
     self.assertEquals(
         ",",
         first_non_repeating_letter(
             "Go hang a salami, I\'m a lasagna hog!"))

Example #4

 def test_OddCharIsFirstCharNonRepeating(self):
     self.assertEquals("#", first_non_repeating_letter("~><#~><"))
     self.assertEquals("w", first_non_repeating_letter("hello world, eh?"))

Example #5

 def test_AllRepeatingIsEmpty(self):
     self.assertEquals("", first_non_repeating_letter("aa"))
     self.assertEquals("", first_non_repeating_letter("abba"))

Example #6

 def test_EmptyIsEmpty(self):
     self.assertEquals("", first_non_repeating_letter(""))