Articles about: mocks

In my journey through the nuances of API testing, I’ve often encountered the challenges and time-consuming aspects of creating accurate WireMock mappings. As developers, we often get bogged down in the details of the anatomy of inter-service communication, not to mention the frustrating typos that lead to inaccurate mappings. In this blog post, I will introduce a powerful solution: the WireMock.NET proxy. This feature completely changes the way we approach mapping preparation, significantly reducing both workload and debugging time. ... Read More

GraphQL is a query language for APIs that allows clients to request exactly what they need, making data retrieval more efficient than traditional REST APIs. It supports three different types of client-server interaction: queries, mutations and subscriptions. When you start integrating a GraphQL API as a consumer in your application, it’s likely that you’ll need to write automated tests to ensure that the integration works correctly. In this blog post, I will show you how to mock GraphQL queries using WireMock.NET.

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In the second installment of my blog post series on WireMock.NET, I will be discussing some of the most common problems that developers encounter while using the library. WireMock troubleshooting can be quite time consuming, especially when you don’t know the drill. I hope that my guideline will save you a lot of time.

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In my previous blog post, I discussed the use of dependency injection (DI) containers for mocking dependencies in tests for ASP.NET Core applications. While this approach is useful in some cases, I personally prefer using mocks/stubs/fakes that don’t require any changes in the app internals and work directly with the actual protocol used by the application being tested. In this post, I will introduce to you WireMock.NET, a powerful tool for mocking HTTP requests. ... Read More

As I recently spent some time writing and refactoring tests that utilize WebApplicationFactory, I’ve come to have some thoughts and ideas for improvement that I’d like to share. In this article, I’ll delve into the process of mocking dependencies in a DI container when using WebApplicationFactory, and offer some insights and best practices I’ve learned along the way. Whether you’re a seasoned pro or new to unit testing ASP.NET Core applications, I hope this information will be helpful as you work to simplify and streamline your tests. ... Read More