public async Task When_ObjectToValidateDoesNotMatchPredicateRequirements_Then_ValidationErrorIsReturned()
{
// Arrange:
var errorMessage = "cannot be null";
var errorCode = "NOT_NULL";
Func <string, Task <bool> > isNotNullPredicate = async s =>
{
await Task.Delay(1);
return(s != null);
};
string toValidate = null;
var toValidateAsObj = (object)toValidate;
// Act:
var validationRule = new AsyncValidationRule <string>(isNotNullPredicate, errorMessage, errorCode);
var result = await validationRule.Validate(toValidate);
var resultForObj = await validationRule.Validate(toValidateAsObj);
// Assert:
result.Count.Should().Be(1);
result.First().ErrorMessage.Should().Be("cannot be null");
result.First().ErrorCode.Should().Be("NOT_NULL");
result.First().ProvidedValue.Should().Be(toValidate);
result.First().PropertyPath.IsEmpty.Should().BeTrue();
resultForObj.Count.Should().Be(1);
resultForObj.First().ErrorMessage.Should().Be("cannot be null");
resultForObj.First().ErrorCode.Should().Be("NOT_NULL");
resultForObj.First().PropertyPath.IsEmpty.Should().BeTrue();
resultForObj.First().ProvidedValue.Should().Be(toValidate);
}
public async Task When_ObjectToValidateMatchPredicateRequirements_Then_NoValidationErrorsAreReturned()
{
// Arrange:
var errorMessage = "cannot be null";
var errorCode = "NOT_NULL";
Func <string, Task <bool> > isNotNullPredicate = async s =>
{
await Task.Delay(1);
return(s != null);
};
var toValidate = "some value";
var toValidateAsObj = (object)toValidate;
// Act:
var validationRule = new AsyncValidationRule <string>(isNotNullPredicate, errorMessage, errorCode);
var result = await validationRule.Validate(toValidate);
var resultForObj = await validationRule.Validate(toValidateAsObj);
// Assert:
result.Count.Should().Be(0);
resultForObj.Count.Should().Be(0);
}
public AsyncPropertyValidator <TProp> AddRule(Func <TProp, Task <bool> > predicate, string errorMessage, string errorCode = null)
{
var validationRule = new AsyncValidationRule <TProp>(predicate, errorMessage, errorCode);
ValidationTasks.Add(new ValidationTask(validationRule, false));
return(this);
}
public AsyncPropertyValidationBuilder <TObject, TProperty> AddAsyncRule(Func <TProperty, Task <bool> > validationPredicate,
string errorMessage, string errorCode = null)
{
var rule = new AsyncValidationRule <TProperty>(validationPredicate, errorMessage, errorCode);
PropertyValidator.Rules.Add(rule);
return(this);
}
