karma.conf.js
/**
* Import the existing webpack config
*/
var webpackConfigDefault = require('./webpack.config.js');
/**
* Create a function that returns a Karma config function
* where we can choose to pass a custom webpack config to be used
*/
var configureKarma = function(webpackConfig) {
/**
* Default if a webpack config was not passed
*/
var webpackConfig = webpackConfig || webpackConfigDefault;
/**
* Return the Karma config function
*/
return function (config) {
config.set({
/**
* Run tests in Chrome and Firefox
*/
browsers: ['Chrome'],
/**
* Just run once by default
*/
singleRun: true,
/**
* Use the mocha test framework
*/
frameworks: ['mocha'],
/**
* Just load this file (contains a reference to all the tests)
*/
files: [
'./karma.tests.js'
],
/**
* Preprocess with webpack and our sourcemap loader
*/
preprocessors: {
'./karma.tests.js': ['webpack', 'sourcemap']
},
/**
* Report results in this format
*/
reporters: ['mocha'],
/**
* Kind of a copy of your webpack config
*/
webpack: {
devtool: 'inline-source-map',
module: {
loaders: webpackConfig.module.loaders
},
resolve: {
alias: webpackConfig.resolve.alias
},
node: webpackConfig.node
},
/**
* Please don't spam the console when running in karma!
*/
webpackServer: {
noInfo: true
}
});
};
};
/**
* Export the regular Karma config
*/
module.exports = configureKarma();
/**
* Export an extendable version of the Karma config
*/
module.exports.extend = configureKarma;