Unit Testing .Net Core 8 Web API using XUnit and Moq

Question

I have an asyncronous Web api .net core 8 project that uses interfaces. What is the best way to use unit testing (XUnit and Moq) to test it? Examples welcome.

Abhishek Yadav · Answer

To perform unit testing on your asynchronous Web API project using XUnit and Moq, you can follow the steps below: Create a test project in your solution: Right-click on the solution Select "Add" -> "New Project" Choose "xUnit Test Project" template Name the project and click "Create" Install necessary NuGet packages: Install-Package Moq Install-Package Microsoft.AspNetCore.Mvc.Core Install-Package Microsoft.AspNetCore.Mvc.Testing Write unit tests in your test project: public class MyServiceTests { private readonly Mock _myServiceMock = new Mock (); [Fact] public async Task GetItems_ReturnsItems() { // Arrange var items = new List { new Item { Id = 1, Name = "Item 1" } }; _myServiceMock.Setup(x => x.GetItems()).ReturnsAsync(items); var controller = new MyController(_myServiceMock.Object); // Act var result = await controller.GetItems(); // Assert Assert.NotNull(result); Assert.Equal(items, result); } } Ensure your controller uses the interface that you are mocking in the test: public class MyController : ControllerBase { private readonly IMyService _myService; public MyController(IMyService myService) { _myService = myService; } [HttpGet] public async Task GetItems() { var items = await _myService.GetItems(); return Ok(items); } } Run your unit tests in Visual Studio by right-clicking on the test method and selecting "Run Test". By following these steps, you should be able to write and run unit tests for your asynchronous Web API project using XUnit and Moq.

Jaimin Shethiya · Answer

Hello Austin, Please refer the below links https://medium.com/@jaydeepvpatil225/implementation-of-unit-test-using-xunit-and-moq-in-net-core-6-web-api-539205f1d38f https://www.hosting.work/aspnet-core-web-api-xunit-moq-unit-testing/ Thanks