Mocking User.Identity.Name

One of the other issue you might encounter while unit testing your Controller is when you dealing with Identity. Consider the following action method. public async Task<BarResponse> Foo(BarRequest user) { if (ModelState.IsValid) { try { var userName = User.Identity.Name; // Do Task return new BarResponse{ }; } catch (Exception ex) { return new BarResponse { … Continue reading Mocking User.Identity.Name

Writing Unit Test for Model Validation

It is a pretty common pattern to validate your Web Action model using ModelState.IsValid method. For example, public async Task<UpdateUserProfileResponse> UpdateUser(UpdateUserProfileRequest user) { if (ModelState.IsValid) { // Valid Model, do your job } else { // Send response indicating invalid model } } A pretty useful pattern, as it makes use of the DataAnnotations to validate and provide meaning … Continue reading Writing Unit Test for Model Validation

Mock RestClient.ExecuteAsync

RestSharp is not a stranger to developers, so is the usage. What this posts aims to explore is how to do Unit Test a method, involving a RestClient.ExecuteAsync call. To be more precise, the post explores how to mock the RestClient for the method. Let's consider the following code, taken from VSPostman, one of the … Continue reading Mock RestClient.ExecuteAsync

Unit Testing Asynchronous Code

Unit Testing Asynchronous methods in older days were pretty tough, but thanks to the advances made in the Unit Testing Frameworks, this is now all the more easier. We will begin by writing an async method, which we could use for writing our Unit Tests against. The advancements in Unit Testing Framework has made it … Continue reading Unit Testing Asynchronous Code

Mutation Testing

Even with TDD, the quality or coverage of the existing Unit Tests are always a concern for the developer. "Have I done enough ?" That's one question that haunts him throughout. Mutation Testing is a structural testing method that attempts to add more value to Unit Tests by aiding in identifying the 'misses' in Unit … Continue reading Mutation Testing

Unit Test for Methods that Call Web API

HttpClient helps you interact with your Rest API's through its asynchronous methods such as GetAsync. But on a TDD environment, it could become a challenge on how you could write Unit Test cases for a method that invokes the API via GetAsync and ensure that your call successfully invokes the API (considering your API sits in another … Continue reading Unit Test for Methods that Call Web API