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httpfake

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httpfake provides is a simple wrapper for httptest with a handful chainable API for setting up handlers to a fake server. This package is aimed to be used in tests where the original external server must not be reached. Instead is used in its place a fake server which can be configured to handle any request as desired.

Installation

go get -u github.com/maxcnunes/httpfake

or

govendor fetch github.com/maxcnunes/httpfake

If possible give preference for using vendor. This way the version is locked up as a dependency in your project.

Changelog

See Releases for detailed history changes.

API

See godoc reference for detailed API documentation.

Assertions

There are built-in methods you can use to make assertions about requests to your HTTP handlers. The currently supported assertions are:

  • Presence of query parameters
  • Query parameter and its expected value
  • Presence of HTTP headers
  • HTTP header and its expected value
  • The expected body of your request

WithTesting must be provided as a server option when creating the test server if you intend to set request assertions. Failing to set the option when using request assertions will result in a panic.

Custom Assertions

You can also provide your own assertions by creating a type that implements the Assertor interface or utilizing the CustomAssertor function type. The Assertor.Log method will be called for each assertion before it's processed. The Assertor.Error method will only be called if the Assertor.Assert method returns an error.

Examples

For a full list of examples please check out the functional_tests folder.

// initialize the faker server
// will bring up a httptest.Server
fakeService := httpfake.New()

// bring down the server once we
// finish running our tests
defer fakeService.Close()

// register a handler for our fake service
fakeService.NewHandler().
  Get("/users").
  Reply(200).
  BodyString(`[{"username": "dreamer"}]`)

// run a real http request to that server
res, err := http.Get(fakeService.ResolveURL("/users"))

Contributing

See the Contributing guide for steps on how to contribute to this project.

Reference

This package was heavily inspired on gock. Check that you if you prefer mocking your requests.