Go VCR with HTTPS support

go-vcr is a Go package which allows you to record and replay your HTTP interactions, in order to provide fast, deterministic and accurate testing of your code.

Thanks to @davars go-vcr has recently received HTTPS support as well, which makes it possible to use go-vcr against an HTTPS endpoint and record your interactions.

Here is a simple test of using go-vcr for recording and replaying HTTPS interactions:

package vcr_test

import (


func TestHTTPS(t *testing.T) {
	// Start our recorder
	r, err := recorder.New("fixtures/iana-reserved-domains")
	if err != nil {
	defer r.Stop() // Make sure recorder is stopped once done with it

	// Create an HTTP client and inject our transport
	client := &http.Client{
		Transport: r.Transport, // Inject our transport!

	url := "https://www.iana.org/domains/reserved"
	resp, err := client.Get(url)
	if err != nil {
		t.Fatalf("Failed to get url %s: %s", url, err)

	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		t.Fatalf("Failed to read response body: %s", err)

	wantHeading := "<h1>IANA-managed Reserved Domains</h1>"
	bodyContent := string(body)

	if !strings.Contains(bodyContent, wantHeading) {
		t.Errorf("Heading %s not found in response", wantHeading)

You can find this and also other examples in the go-vcr repository at Github.

Written on February 15, 2016