public void TestStringService_GetT9Code() { ILetterMappingRepository letterMappingRepository = new LetterMappingRepository(); ISettingsRepository settingsRepository = new SettingsRepository(); IStringService stringService = new StringService(); string output = stringService.GetT9Code(letterMappingRepository.Get(), "hello world", false, settingsRepository.GetSmallInputLengthConstraint()); Assert.IsTrue(output == "4433555 555666096667775553"); }