public void ShouldDetectInvalidAirlineNumber()
{
var fakeValidator = new Mock<IAirlineMembershipNumberValidator>();
fakeValidator.Setup(x => x.IsValid(It.IsAny<string>())).Returns(false);
var a = new CreditCardApplication();
var sut = new ApplicationDetailsValidator(fakeValidator.Object);
var errors = sut.Validate(a);
Assert.That(errors, Has.Exactly(1).EqualTo("Airline membership number is invalid"));
}
public void ShouldDetectUseAirlineValidatorToCheckNumber()
{
var fakeValidator = new Mock<IAirlineMembershipNumberValidator>();
var a = new CreditCardApplication
{
AirlineFrequentFlyerNumber = "x123"
};
var sut = new ApplicationDetailsValidator(fakeValidator.Object);
sut.Validate(a);
fakeValidator.Verify(x => x.IsValid("x123"),Times.Once());
}
public void ShouldDetectBlankName()
{
var fakeValidator = new Mock<IAirlineMembershipNumberValidator>();
var a = new CreditCardApplication
{
ApplicantName=""
};
var sut = new ApplicationDetailsValidator(fakeValidator.Object);
var errors = sut.Validate(a);
Assert.That(errors,Has.Exactly(1).EqualTo("Name cannot be blank."));
}
public void ShouldValidateInCorrectApplication()
{
// Example of internal classes being integration tested together
var sut = new ApplicationDetailsValidator(new AirlineMembershipNumberValidator());
var a = new CreditCardApplication
{
ApplicantName = "Lisa",
ApplicantAgeInYears = 44,
AirlineFrequentFlyerNumber = "badnumber"
};
var errors = sut.Validate(a);
Assert.That(errors, Is.Not.Empty);
}