def test_first_str_empty_other_non_emtpy(self): string1 = "" string2 = "napis" string3 = merge_strings(string1, string2) self.assertEqual(string3, "napis")
def test_first_str_longer_than_other(self): string1 = "potezny" string2 = "napis" string3 = merge_strings(string1, string2) self.assertEqual(string3, "pnoatpeizsny")
def test_strings_with_the_same_length(self): string1 = "mocny" string2 = "napis" string3 = merge_strings(string1, string2) self.assertEqual(string3, "mnoacpniys")
def test_first_str_shorter_than_other(self): string1 = "moc" string2 = "napis" string3 = merge_strings(string1, string2) self.assertEqual(string3, "mnoacpis")
def test_both_strings_are_empty(self): string1 = "" string2 = "" string3 = merge_strings(string1, string2) self.assertEqual(string3, "")