@open-wc/testing-karma-bs NPM

permalink: 'testing/testing-karma-bs.html' title: Testing via Browserstack section: guides tags:

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Notice
We have stopped new development of this package.
We will continue to support security patches and bug fixes, but we recommend web test runner for testing web component projects.

Testing via Browserstack

Configuration for setting up browserstack testing with karma.

Part of Open Web Components: guides, tools and libraries for modern web development and web components

To make sure your project is production-ready, we recommend running tests in all the browsers you want to support.

If you do not have access to all browsers, we recommend using a service like Browserstack to make sure your project works as intended. Browserstack offers free accounts for open source projects.

The testing-karma-bs configuration helps setting up karma with Browserstack. To set it up you need to use the configuration in your project, and follow the instructions below to set up a user account

Setup

With our project scaffolding you can set up a pre-configured project, or you can upgrade an existing project by choosing Upgrade -> Testing:

npm init @open-wc

Manual

Install:

npm i -D @open-wc/testing-karma-bs deepmerge

Add a karma.conf.bs.js file:

const merge = require('deepmerge');
const { bsSettings } = require('@open-wc/testing-karma-bs');
const createBaseConfig = require('./karma.conf.js');

module.exports = config => {
  config.set(
    merge.all([
      bsSettings(config),
      createBaseConfig(config),
      {
        browserStack: {
          project: 'your-name',
        },
      },
    ]),
  );

  return config;
};

Add a script to your package.json:

{
  "scripts": {
    "test:bs": "karma start karma.conf.bs.js --coverage"
  }
}

Setup user + key

Go to https://www.browserstack.com/accounts/settings
Look for "Automate" and write down your "Access Key" and "Username"
Within your terminal or command line write:

# for one-time use only (on mac)
export BROWSER_STACK_USERNAME=xxx
export BROWSER_STACK_ACCESS_KEY=xxx

# or for one-time use only (on windows)
set BROWSER_STACK_USERNAME=xxx
set BROWSER_STACK_ACCESS_KEY=xxx

# or add them to your .bashrc
echo "export BROWSER_STACK_USERNAME=xxx" >> ~/.bashrc
echo "export BROWSER_STACK_ACCESS_KEY=xxx" >> ~/.bashrc

# to verify, run:
echo "User: $BROWSER_STACK_USERNAME"
echo "Key: $BROWSER_STACK_ACCESS_KEY"

Usage

npm run test:bs

testing karma browserstack config

@open-wc/testing-karma @types/node karma-browserstack-launcher

@infinitebrahmanuniverse/nolb-_open-@everything-registry/sub-chunk-684 @zalastax/nolb-_open-

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