CUSTOM HTTP REQUEST FOR TESTING IN GO

package main

import (
    "bytes"
    "encoding/binary"
    "net/http"
    "net/http/httptest"
    "github.com/sirupsen/logrus"
    "net/http"
    "testing"
    "github.com/stretchr/testify/assert"
)

// helper.go
func JSONStrigify(payload string) []byte {
    jsonData := []byte(payload)
    return jsonData
}

// request.go
func HttpTestRequest(handler http.Handler, method, url string, payload []byte) *httptest.ResponseRecorder {

    request := make(chan *http.Request)
    errors := make(chan error)

    if binary.Size(payload) > 0 {
        req, err := http.NewRequest(method, url, bytes.NewBuffer(payload))
        go func() {
            request <- req
            errors <- err
        }()
    } else {
        req, err := http.NewRequest(method, url, nil)
        go func() {
            request <- req
            errors <- err
        }()
    }

    if <-errors != nil {
        logrus.Error(<-errors)
    }

    rr := httptest.NewRecorder()
    handler.ServeHTTP(rr, <-request)

    return rr
}

// main_test.go
func TestCreateAccount(t *testing.T) {

    router := setupRouter()

    res := helper.HttpTestRequest(router, "POST", "/account", helper.JSONStrigify(`{
        "name":"xyz",
        "ic_type":"pqr",
        "ic_number_identity":"xyz@pqr.com",
        "account_number":"1234567890",
        "account_name":"1234567890",
        "bank_name":"1234567890",
        "type":"1234567890"
    }`))

    assert.Equal(t, http.StatusOK, res.Code)
}