httptest - How It Worksīefore looking at the test package, it’s important to first understand how the HTTP handler package itself works and how your requests are processed. On the other hand, if you have an HTTP client that makes requests to a remote server, you can mock the server responses using something like SpeedScale and test your client. It provides ways to mock requests to your HTTP handlers and eliminates the need of having to run the server. What Is httptest?Īs mentioned earlier, httptest, or net/http/httptest in full, is a standard library for writing constructive and unit tests for your handlers.
#Http client test how to#
This article provides an overview of how to use httptest to test your Go handlers in a web server or REST API and to test HTTP clients. httptest can serve as a drop-in replacement for your third-party integrations as a stub, and it can be easily adapted to your local development environment during testing. The httptest package was primarily built to test your Go HTTP handlers using net/http, with which it works smoothly.
The httptest package is also useful for testing HTTP clients that make outbound requests to remote servers.
#Http client test code#
Automating server testing not only helps you test whether your code works as expected it also reduces the time spent on testing and is especially useful for regression testing.
Go’s httptest package is a useful resource for automating your server testing process to ensure that your web server or REST API works as expected. Often used for web servers and rest APIs, Go offers the same performance as other low-level languages like C++ while also making sure the language itself is easy to understand with a good development experience. Its design and structure help you write efficient, reliable, and high-performing programs. Mock.When("/getData").RespondJson(new List, serialized as JSON.Go, often referred to as Golang, is a popular programming language built by Google. With the helper methods in place, you can do the following in your tests: using var ctx = new TestContext() Response.Content = new StringContent(JsonSerializer.Serialize(contentProvider())) Public static MockedRequest RespondJson(this MockedRequest request, Func contentProvider) = new MediaTypeHeaderValue("application/json") Response.Content = new StringContent(JsonSerializer.Serialize(content)) Var response = new HttpResponseMessage(HttpStatusCode.OK) Public static MockedRequest RespondJson(this MockedRequest request, T content) HttpClient.BaseAddress = new Uri(" services.AddSingleton(httpClient) Var httpClient = mockHttpHandler.ToHttpClient() Var mockHttpHandler = new MockHttpMessageHandler() Public static MockHttpMessageHandler AddMockHttpClient(this TestServiceProvider services) Public static class MockHttpClientBunitHelpers
It makes it easier to add the HttpClient mock toīUnit's test context's Services collection, and configure responses to requests: using Bunit The following extension class to your test project. To make it easier to work with RichardSzalay.MockHttp, add To use RichardSzalay.MockHttp, add the following package reference to your test project's.
RichardSzalay.MockHttp we can easily add one that works There is currently no built-in mock for HttpClient in bUnit, but with the use of NET Core is a bit more cumbersome than interface-based services like IJSRuntime.
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