public void When_validating_should_call_custom_rule()
{
const string iban = "NL91ABNA0417164300";
// Act
_sut.Validate(iban);
// Assert
_customValidationRuleMock.Verify(m => m.Validate(It.Is <ValidationRuleContext>(ctx => ctx.Value == iban)), Times.Once);
}
public void When_validating_null_value_should_not_validate()
{
// Act
var actual = _validator.Validate(null);
// Assert
actual.Should().Be(IbanValidationResult.InvalidLength);
}
public void When_validating_multiple_times_it_should_succeed()
{
const string iban = "NL91ABNA0417164300";
// Act
ValidationResult result1 = _sut.Validate(iban);
ValidationResult result2 = _sut.Validate(iban);
// Assert
result1.IsValid.Should().BeTrue();
result1.Should().BeEquivalentTo(result2);
}
public void When_validating_null_or_empty_value_should_not_validate(string iban)
{
// Act
ValidationResult actual = Validator.Validate(iban);
// Assert
actual.Should().BeEquivalentTo(new ValidationResult
{
AttemptedValue = iban,
Error = new InvalidLengthResult()
});
}
public void When_validating_it_should_use_structure_validator_of_first_provider_that_supports_the_country_code(string iban, string expectedStructure, int expectedMockCalled)
{
string expectedCountryCode = iban.Substring(0, 2);
ValidationResult actual = _sut.Validate(iban);
actual.IsValid.Should().BeTrue();
for (int i = 0; i < _structureFactoryMocks.Length; i++)
{
_structureFactoryMocks[i]
.Verify(m => m.CreateValidator(
expectedCountryCode,
expectedStructure),
i == expectedMockCalled ? Times.Once() : Times.Never()
);
}
}
public void It_should_call_factory_once()
{
const string iban = "NL91ABNA0417164300";
string expectedCountryCode = iban.Substring(0, 2);
// Act
for (int i = 0; i < 3; i++)
{
ValidationResult actual = _sut.Validate(iban);
actual.IsValid.Should().BeTrue();
}
// Assert
_structureFactoryMock.Verify(m => m.CreateValidator(
expectedCountryCode,
"structure1"),
Times.Once
);
}
