public void For_Validate_When_ObjectToValidateIsNotValidFor2Rules_Then_ValidationErrorsAreReturned()
{
// Arrange:
var memberInfo = PropertyValidatorTestsCommon.CreateTestMemberInfo();
var validator = new SyncPropertyValidator <string>(memberInfo);
validator.AddRule(x => x != "x", "cannot be x", "NOT_X");
validator.AddRule(x => x == null, "must be null", "CANNOT_BE_NULL");
var toValidate = "x";
// Act:
var result = validator.Validate(toValidate);
// Assert:
result.Count.Should().Be(2);
result[0].PropertyPath.IsEmpty.Should().Be(false);
result[0].ProvidedValue.Should().Be("x");
result[0].PropertyPath.ToString().Should().Be("SomeProperty");
result[0].ErrorMessage.Should().Be("cannot be x");
result[0].ErrorCode.Should().Be("NOT_X");
result[1].PropertyPath.IsEmpty.Should().Be(false);
result[1].ProvidedValue.Should().Be("x");
result[1].PropertyPath.ToString().Should().Be("SomeProperty");
result[1].ErrorMessage.Should().Be("must be null");
result[1].ErrorCode.Should().Be("CANNOT_BE_NULL");
}
protected SyncPropertyValidationBuilder <TObject, TProp> RuleFor <TProp>(Expression <Func <TObject, TProp> > expression)
{
var property = ExtractProperty(expression);
var propertyValidator = new SyncPropertyValidator <TObject, TProp>(property);
InnerPropertyValidators.Add(propertyValidator);
return(new SyncPropertyValidationBuilder <TObject, TProp>(propertyValidator));
}
public void For_ValidateObj_When_ProvidedObjectToValidateIsObjectType_Then_ItIsCastedAndPassedToFurtherValidation()
{
// Arrange:
var memberInfo = PropertyValidatorTestsCommon.CreateTestMemberInfo();
var validator = new SyncPropertyValidator <string>(memberInfo);
validator.AddRule(x => x != "x", "cannot be x", "NOT_X");
var toValidate = (object)"x";
// Act & Assert:
Assert.DoesNotThrow(() => validator.Validate(toValidate));
}
public void For_Validate_When_ProvidedObjectCannotBeCastedToTPropType_Then_ExceptionIsThrown()
{
// Arrange:
var memberInfo = PropertyValidatorTestsCommon.CreateTestMemberInfo();
var validator = new SyncPropertyValidator <string>(memberInfo);
validator.AddRule(x => x != "x", "cannot be x", "NOT_X");
var toValidate = 10;
// Act & Assert:
var exception = Assert.Throws <ArgumentException>(() => validator.Validate(toValidate));
exception.Message.Should().Be("'obj' is not String type");
}
public SyncPropertyValidator <TProp> Setup <TProp>(Expression <Func <TObject, TProp> > expression)
{
var memberInfo = PropertyExtractor.Extract(expression);
if (PropertyValidators.TryGetValue(memberInfo.Name, out var propertyValidator))
{
return((SyncPropertyValidator <TProp>)propertyValidator);
}
var newPropertyValidator = new SyncPropertyValidator <TProp>(memberInfo);
PropertyValidators.Add(memberInfo.Name, newPropertyValidator);
return(newPropertyValidator);
}
public void For_Validate_WhenRuleHasSetToStopValidationAfterFailure_Then_ValidationStopsWhenErrorOccurs()
{
// Arrange:
var memberInfo = PropertyValidatorTestsCommon.CreateTestMemberInfo();
var validator = new SyncPropertyValidator <string>(memberInfo);
validator.AddRule(x => x != "x", "cannot be x", "NOT_X");
validator.StopValidationAfterFailure();
validator.AddRule(x => x == null, "must be null", "CANNOT_BE_NULL");
var toValidate = "y";
// Act:
var result = validator.Validate(toValidate);
// Assert:
result[0].PropertyPath.IsEmpty.Should().Be(false);
result[0].ProvidedValue.Should().Be("y");
result[0].PropertyPath.ToString().Should().Be("SomeProperty");
result[0].ErrorMessage.Should().Be("must be null");
result[0].ErrorCode.Should().Be("CANNOT_BE_NULL");
}
public void For_Validate_When_PropertyHasSetMessageAndCodeOverrides_Then_AreAppliedToValidationError()
{
// Arrange:
var memberInfo = PropertyValidatorTestsCommon.CreateTestMemberInfo();
var validator = new SyncPropertyValidator <string>(memberInfo);
validator.AddRule(x => x != "x", "cannot be x", "NOT_X");
validator.WithMessage("overridden message");
validator.WithCode("overridden code");
var toValidate = "x";
// Act:
var result = validator.Validate(toValidate);
// Assert:
result.Count.Should().Be(1);
result[0].PropertyPath.IsEmpty.Should().Be(false);
result[0].ProvidedValue.Should().Be("x");
result[0].PropertyPath.ToString().Should().Be("SomeProperty");
result[0].ErrorMessage.Should().Be("overridden message");
result[0].ErrorCode.Should().Be("overridden code");
}
