public async Task TestGetPaymentByID_PaymentNotFound()
{
// create mock versions
var mockPaymentService = new Mock <IPaymentService>();
var mockLoggerService = new Mock <ILogger <PaymentsController> >();
var paymentDTO = new PaymentDTO()
{
ID = Guid.NewGuid().ToString()
};
mockPaymentService.Setup(x => x.GetPaymentByID(It.IsAny <string>())).Returns(Task.FromResult <PaymentDTO>(null));
PaymentsController controller = new PaymentsController(null, mockLoggerService.Object, null, mockPaymentService.Object);
var result = await controller.GetPaymentByID(paymentDTO.ID);
Assert.IsInstanceOfType(result.Result, typeof(Microsoft.AspNetCore.Mvc.NotFoundResult));
}
