public void WhenCustomerIsNull_ThenArgumentNullExceptionIsThrown()
{
var validator = new CustomerTDD.CustomerValidator();
Action action = () => validator.Validate(null);
action.Should().Throw <ArgumentNullException>();
}
public void WhenCustomerHasAgeLessThan18_ThenValidationFails()
{
var validator = new CustomerTDD.CustomerValidator();
var customer = new CustomerTDD.CustomerMock(expectedAge: 16);
bool validate = validator.Validate(customer);
validate.Should().BeFalse();
}
public void WhenCustomerHasAgeGreaterThanOrEqualTo18_ThenValidationPasses(int expectedAge)
{
var validator = new CustomerTDD.CustomerValidator();
var customer = new CustomerTDD.CustomerMock(expectedAge: expectedAge);
bool validate = validator.Validate(customer);
validate.Should().BeTrue();
}