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vscode-extension-tester
Advanced tools
vscode-extension-tester
ExTester is a package that is designed to help you run UI tests for your Visual Studio Code extensions using selenium-webdriver.
UI Testing Framework for Visual Studio Code.
Features • Requirements • Usage • Extension • Example • Documentation • Known Issues
ExTester: Your Essential UI Testing Companion for Visual Studio Code Extensions!
Seamlessly execute UI tests with Selenium WebDriver, ensuring robustness and reliability in your extension development journey. Simplify UI testing for your VS Code extensions and elevate the quality of your user interface effortlessly. Dive into efficient testing with ExTester today!
Features
- ⬇️ Download a test instance of Visual Studio Code.
- ⬇️ Download the appropriate version of ChromeDriver.
- 📦 Pack and Install your extension into downloaded VS Code instance.
- 🚀 Launch the VS Code instance using Selenium WebDriver.
- 🔥 Run your tests.
Requirements
For more information please visit our 🔗 project repository
Usage
Simply install our package into your extension devDependencies to get started:
npm install --save-dev vscode-extension-tester
Make sure to check out the 🔗 Documentation for detailed instructions.
- 📄 How to set up the tests
- 📄 Configuring Mocha
- 📄 An example simple test case
- 📄 Page objects API quick guide
ExTester Runner Extension
‼️ For a streamlined testing workflow, we recommend installing the 🔗 ExTester Runner VS Code extension. It provides an enhanced UI for test orchestration and improves the overall developer experience.
Example
For an example project, check out the Hello World Example repository, where you can find detailed setup and usage instructions.
Documentation
Our full documentation is located in 🔗 GitHub Wiki. Included are details about Page Objects API and how to setup Mocha tests information.
Issues
Something is not working properly? In that case, feel free to 🔗 open feature requests, report bugs, etc.
Get Involved
If you'd like to help us get better, we appreciate it! Check out our 🔗 Contribution Guide on how to do that.
Known Issues
We have prepared few answers for most common problems community reported. See 🔗 Known Issues
FAQs
ExTester is a package that is designed to help you run UI tests for your Visual Studio Code extensions using selenium-webdriver.
The npm package vscode-extension-tester receives a total of 35,419 weekly downloads. As such, vscode-extension-tester popularity was classified as popular.
We found that vscode-extension-tester demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 11 open source maintainers collaborating on the project.
Package last updated on 12 Mar 2026
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