http request mocking code samples

httpmock_test.go

func TestGetFixedValue(t *testing.T) {
   httpmock.Activate()
   defer httpmock.DeactivateAndReset()
 
   httpmock.RegisterResponder("GET", "https://example.com/fixedvalue",
       func(req *http.Request) (*http.Response, error) {
           if req.Header.Get("Accept") != "application/json" {
               t.Errorf("Expected Accept: application/json header, got: %s", req.Header.Get("Accept"))
           }
           resp, err := httpmock.NewJsonResponse(200, map[string]interface{}{
               "value": "fixed",
           })
           return resp, err
       },
   )
 
   value, _ := GetFixedValue("https://example.com")
   if value != "fixed" {
       t.Errorf("Expected 'fixed', got %s", value)
   }
}