public async Task WhenNameIsNotBlank_BehaviorShouldNotReturnAnError()
{
var sut = new RequestValidationBehavior <SomeQuery, Guid>(validators);
var query = new SomeQuery()
{
Name = "Scott"
};
var exception = await Record.ExceptionAsync(() =>
sut.Handle(
query,
new CancellationToken(),
mockHandler.Object));
exception.Should().BeNull();
mockHandler.Verify(_ => _(), Times.Once);
}
public async Task WhenNoValidatorsPresent_BehaviorShouldCallHandlerAndNotReturnAnError()
{
var sut = new RequestValidationBehavior <SomeQuery, Guid>(Enumerable.Empty <IValidator <SomeQuery> >());
var query = new SomeQuery()
{
Name = ""
};
var exception = await Record.ExceptionAsync(() =>
sut.Handle(
query,
new CancellationToken(),
mockHandler.Object));
exception.Should().BeNull();
mockHandler.Verify(_ => _(), Times.Once);
}
public async Task NameIsBlank_BehaviorShouldReturnAnErrorTypeOfValidationException()
{
var sut = new RequestValidationBehavior <SomeQuery, Guid>(validators);
var query = new SomeQuery()
{
Name = ""
};
var exception = await Record.ExceptionAsync(() =>
sut.Handle(
query,
new CancellationToken(),
mockHandler.Object));
exception.Should().NotBeNull();
exception.Should().BeOfType <CleanFunc.Application.Common.Exceptions.ValidationException>();
(exception as CleanFunc.Application.Common.Exceptions.ValidationException).Errors.Count().Should().Be(1);
mockHandler.Verify(_ => _(), Times.Never);
}
public async Task Should_Not_Throw_Validation_Exception_When_Object_Is_Valid()
{
var query = new GetTestDataQuery()
{
Id = Guid.NewGuid(),
Query = "q_random_query"
};
var expectedResponse = new TestDataResponse();
var behaviour = new RequestValidationBehavior <GetTestDataQuery, TestDataResponse>(
new List <IValidator <GetTestDataQuery> >()
{
new GetTestDataQuery.GetTestDataQueryValidator()
}
);
var response =
await behaviour.Handle(query, CancellationToken.None, () => Task.FromResult(expectedResponse));
Assert.Equal(expectedResponse, response);
}
public void Handle_InvalidValidator_ThrowsValidationException()
{
//Arrange
var sut = new RequestValidationBehavior <GetCustomerQuery, Customer>(
new List <IValidator <GetCustomerQuery> >
{
new GetCustomerQueryValidator()
}
);
//Act
Func <Task> func = async() =>
await sut.Handle(
new GetCustomerQuery(),
CancellationToken.None,
() => Task.FromResult(new Customer())
);
//Assert
func.Should().Throw <ValidationException>()
.Where(ex => ex.Errors.ToList().Count == 1);
}
public async Task Handle_ValidValidator_ReturnsResponse(
Customer customer
)
{
//Arrange
var sut = new RequestValidationBehavior <GetCustomerQuery, Customer>(
new List <IValidator <GetCustomerQuery> >
{
new GetCustomerQueryValidator()
}
);
//Act
var result = await sut.Handle(
new GetCustomerQuery { CustomerNumber = "1" },
CancellationToken.None,
() => Task.FromResult(customer)
);
//Assert
result.Should().Be(customer);
}
public async Task Should_Throw_Validation_Exception_When_Object_Is_Invalid()
{
var query = new GetTestDataQuery();
var behaviour = new RequestValidationBehavior <GetTestDataQuery, TestDataResponse>(
new List <IValidator <GetTestDataQuery> >()
{
new GetTestDataQuery.GetTestDataQueryValidator()
}
);
var ex = await Assert.ThrowsAsync <Caravel.Exceptions.ValidationException>(() =>
behaviour.Handle(query, CancellationToken.None, () => Task.FromResult(new TestDataResponse()))
);
Assert.Equal("invalid_fields", ex.Error.Code);
Assert.Equal("Payload contains invalid fields.", ex.Error.Message);
Assert.Equal(Errors.Severity.Low, ex.Error.Severity);
Assert.Equal(2, ex.Errors.Count);
Assert.Equal("'Id' must not be empty.", ex.Errors["Id"][0]);
Assert.Equal("'Query' must not be empty.", ex.Errors["Query"][0]);
Assert.Equal("The specified condition was not met for 'Query'.", ex.Errors["Query"][1]);
}
