public async Task GetFilteredPaymentsAsync_WhenFilterInfoPassed_ShouldCreateFilterAndReturnExpectedResult()
{
//Arrange
var sutBuilder = new PaymentServiceSutBuilder();
var filterInfo = new PaymentFilterInfo();
var filter = A.Fake <PaymentDbFilter>();
A.CallTo(() => sutBuilder.PaymentDbFilterFactory.Create(filterInfo))
.Returns(filter);
var expectedList = new List <Payment>();
A.CallTo(() => sutBuilder.PaymentRepository.GetAllAsync(filter))
.Returns(expectedList);
var paymentService = sutBuilder.CreateSut();
//Act
var results = await paymentService.GetFilteredPaymentsAsync(filterInfo);
//Assert
results.ShouldBe(expectedList);
}
public async Task GetExpectedPaymentsForUserAsync_WhenCalledWithGroup_ShouldReturnExpectedPayments(PaymentServiceTestData testData)
{
//Arrange
var sutBuilder = new PaymentServiceSutBuilder();
sutBuilder.SetupFromTestData(testData);
var paymentService = sutBuilder.CreateSut();
//Act
var payerPayments = await paymentService.GetExpectedPaymentsForUserAsync(testData.Payer.Id, testData.Group.Id);
var receiverPayments = await paymentService.GetExpectedPaymentsForUserAsync(testData.Receiver.Id, testData.Group.Id);
//Assert
payerPayments.Count.ShouldBe(1);
var payerPayment = payerPayments.Single();
payerPayment.Amount.ShouldBe(testData.PayerOwesReceiver);
payerPayment.Payer.ShouldBe(testData.Payer);
payerPayment.Receiver.ShouldBe(testData.Receiver);
receiverPayments.Count.ShouldBe(1);
var receiverPayment = payerPayments.Single();
receiverPayment.Amount.ShouldBe(testData.PayerOwesReceiver);
receiverPayment.Payer.ShouldBe(testData.Payer);
receiverPayment.Receiver.ShouldBe(testData.Receiver);
}
public async Task AddPaymentAsync_WhenPaymentCorrect_ShouldReturnExpectedPayment(PaymentServiceTestData testData)
{
//Arrange
var sutBuilder = new PaymentServiceSutBuilder();
var expectedPayment = sutBuilder.SetupFromTestData(testData);
var paymentService = sutBuilder.CreateSut();
//Act
var resultPayment = await paymentService.AddPaymentAsync(testData.NewPaymentData);
//Assert
resultPayment.ShouldBe(expectedPayment);
}
public void AddPaymentAsync_WhenTryingToOverpay_ShouldThrowOverpay(PaymentServiceTestData testData)
{
//Arrange
var sutBuilder = new PaymentServiceSutBuilder();
sutBuilder.SetupFromTestData(testData);
var paymentService = sutBuilder.CreateSut();
//Act & Assert
var exception = Assert.ThrowsAsync <BadRequestException>(async() => await paymentService.AddPaymentAsync(testData.NewPaymentData));
exception.Message.ShouldBe("Trying to pay back more than owned.");
}
public void AddPaymentAsync_WhenReceiverOwesPayer_ShouldThrowAlreadyOwedMoney(PaymentServiceTestData testData)
{
//Arrange
var sutBuilder = new PaymentServiceSutBuilder();
sutBuilder.SetupFromTestData(testData);
var paymentService = sutBuilder.CreateSut();
//Act & Assert
var exception = Assert.ThrowsAsync <BadRequestException>(async() => await paymentService.AddPaymentAsync(testData.NewPaymentData));
exception.Message.ShouldBe($"User {testData.Receiver.Email} already owes you money.");
}
public void AddPaymentAsync_WhenNoPaymentsAreExpected_ShouldThrowNoPaymentsExpected(PaymentServiceTestData testData)
{
//Arrange
var sutBuilder = new PaymentServiceSutBuilder();
sutBuilder.SetupFromTestData(testData);
var paymentService = sutBuilder.CreateSut();
//Act & Assert
var exception = Assert.ThrowsAsync <BadRequestException>(async() => await paymentService.AddPaymentAsync(testData.NewPaymentData));
exception.Message.ShouldBe("No payment expected.");
}
public void GetExpectedPaymentsForUserAsync_WhenUserDoesNotExist_ShouldThrow()
{
//Arrange
var sutBuilder = new PaymentServiceSutBuilder();
var testData = new PaymentServiceTestData(40)
.AddReceiverLoanToPayer(50);
sutBuilder.SetupFromTestData(testData, nullGroup: true);
sutBuilder.SetupByIdUser(testData.Payer.Id, null);
var paymentService = sutBuilder.CreateSut();
//Act & Assert
var exception = Assert.ThrowsAsync <NotFoundException>(async() => await paymentService.GetExpectedPaymentsForUserAsync(testData.Payer.Id, null));
exception.Message.ShouldBe("User with given id does not exist.");
}
