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Quality Assurance Introduction to Selenium Automation Nation Getting Started

How does process.env.URL work inside of index.js for Selenium WebDriver?

There is an error if you add URL variable to the code. What is this process.env.URL and how does it work?

WebDriverError: unknown error: 'url' must be a string

const selenium = require("selenium-webdriver");
const By = selenium.By;
var URL = 'file:///C:SeleniumTeamTreeHouse/project/index.html';

const driver = new selenium.Builder()


Side Note. Above code will run without an issue with following code:


2 Answers

Stewart Haynes
Stewart Haynes
Courses Plus Student 898 Points

If using Windows, use:

set URL=url_of_your_workspace

node index.js

Craig Dennis
Craig Dennis
Treehouse Teacher

process.env.URL is using an environment variable that is set using URL=... from the command line. Since you are doing it locally, you can just use that variable URL that you created.

Hope that helps!