internal/githubv4mock/local_round_tripper.go

// Ths contents of this file are taken from https://github.com/shurcooL/graphql/blob/ed46e5a4646634fc16cb07c3b8db389542cc8847/graphql_test.go#L155-L165
// because they are not exported by the module, and we would like to use them in building the githubv4mock test utility.
//
// The original license, copied from https://github.com/shurcooL/graphql/blob/ed46e5a4646634fc16cb07c3b8db389542cc8847/LICENSE
//
// MIT License

// Copyright (c) 2017 Dmitri Shuralyov

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package githubv4mock

import (
	"net/http"
	"net/http/httptest"
)

// localRoundTripper is an http.RoundTripper that executes HTTP transactions
// by using handler directly, instead of going over an HTTP connection.
type localRoundTripper struct {
	handler http.Handler
}

func (l localRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
	w := httptest.NewRecorder()
	l.handler.ServeHTTP(w, req)
	return w.Result(), nil
}