Postman-to-k6 PR review: OAuth1 auth

oauth.postman_collection.json

{
	"info": {
		"_postman_id": "c0b1dbfb-78eb-4b1d-9f64-4b2e881d90ec",
		"name": "Postman-to-k6: OAuth",
		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
	},
	"item": [
		{
			"name": "OAuth1",
			"event": [
				{
					"listen": "test",
					"script": {
						"id": "2f5fac63-f3d7-476b-b1fe-0c5df8fff1bc",
						"exec": [
							"pm.test(\"OAuth1 body is correct\", function () {",
							"    pm.response.to.have.body(\"method=foo&bar=baz\");",
							"});"
						],
						"type": "text/javascript"
					}
				}
			],
			"request": {
				"auth": {
					"type": "oauth1",
					"oauth1": [
						{
							"key": "tokenSecret",
							"value": "accesssecret",
							"type": "string"
						},
						{
							"key": "token",
							"value": "accesskey",
							"type": "string"
						},
						{
							"key": "consumerSecret",
							"value": "secret",
							"type": "string"
						},
						{
							"key": "consumerKey",
							"value": "key",
							"type": "string"
						},
						{
							"key": "signatureMethod",
							"value": "HMAC-SHA1",
							"type": "string"
						},
						{
							"key": "version",
							"value": "1.0",
							"type": "string"
						},
						{
							"key": "addParamsToHeader",
							"value": false,
							"type": "boolean"
						},
						{
							"key": "addEmptyParamsToSign",
							"value": false,
							"type": "boolean"
						}
					]
				},
				"method": "GET",
				"header": [],
				"body": {
					"mode": "raw",
					"raw": ""
				},
				"url": {
					"raw": "http://oauthbin.com/v1/echo?method=foo&bar=baz",
					"protocol": "http",
					"host": [
						"oauthbin",
						"com"
					],
					"path": [
						"v1",
						"echo"
					],
					"query": [
						{
							"key": "method",
							"value": "foo"
						},
						{
							"key": "bar",
							"value": "baz"
						}
					]
				}
			},
			"response": []
		}
	]
}

test.js

// Auto-generated by the Load Impact converter

import "./libs/shim/core.js";
import OAuth from "./libs/oauth-1.0a.js";
import { hmac } from "k6/crypto";

export let options = { maxRedirects: 4 };

const Request = Symbol.for("request");

export default function() {
  postman[Request]({
    name: "OAuth1 Copy",
    method: "GET",
    address: "http://oauthbin.com/v1/echo?method=foo&bar=baz",
    post(response) {
      pm.test("OAuth1 body is correct", function() {
        pm.response.to.have.body("method=foo&bar=baz");
      });
    },
    auth(config, Var) {
      const options = {
        consumer: {
          key: "key",
          secret: "secret"
        },
        signature_method: "HMAC-SHA1",
        hash_function(data, key) {
          return hmac("sha1", key, data, "base64");
        },
        version: "1.0"
      };
      const request = {
        method: config.method,
        url: config.address
      };
      const token = {
        key: "accesskey",
        secret: "accesssecret"
      };
      const oauth = OAuth(options);
      const auth = oauth.authorize(request, token);
      Object.assign(config.data, auth);
    }
  });
}