Install Stryker using npm.
Make sure you have npm and nodejs installed. Open a terminal / command prompt and cd to the root of your project you want to mutation test.
The easiest way to get started with Stryker is by installing the stryker-cli globally. It is a small package which forwards commands to your local stryker instance.
npm install -g stryker-cli
Optionally, you could also install stryker and the stryker-api directly yourself.
npm install --save-dev stryker stryker-api
If you choose to not install the stryker-cli, use
./node_modules/.bin/stryker instead of
stryker for the rest of the quickstart.
Run this command the configure stryker.
If you're asked to install stryker, choose yes. Make decisions for the rest of your questions:
Please let us know of your option is missing here.
After the init is done, inspect the
mutate properties if appropriate.
For more information on what these options mean, take a look at the Stryker readme
Run stryker to mutation test your project
Having troubles? Try enabling debug logging by adding
logLevel: 'debug' to your stryker.conf.js.
To also see output of your test runner, use
You can also have a look at the readme file of stryker for more information about the configuration.
Please report any issues you have or let us know via gitter.
Want to help the Stryker community? Awesome! You can help by writing plugins, document issues or simply writing docs. You can always drop us a line on gitter.