element-web/karma.conf.js

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// karma.conf.js - the config file for karma, which runs our tests.
var path = require('path');
var webpack = require('webpack');
var webpack_config = require('./webpack.config');
/*
* We use webpack to build our tests. It's a pain to have to wait for webpack
* to build everything; however it's the easiest way to load our dependencies
* from node_modules.
*
* If you run karma in multi-run mode (with `npm run test-multi`), it will watch
* the tests for changes, and webpack will rebuild using a cache. This is much quicker
* than a clean rebuild.
*/
// the name of the test file. By default, a special file which runs all tests.
var testFile = process.env.KARMA_TEST_FILE || 'test/all-tests.js';
process.env.PHANTOMJS_BIN = 'node_modules/.bin/phantomjs';
process.env.Q_DEBUG = 1;
/* the webpack config is based on the real one, to (a) try to simulate the
* deployed environment as closely as possible, and (b) to avoid a shedload of
* cut-and-paste.
*/
// find out if we're shipping olm, and where it is, if so.
const olm_entry = webpack_config.entry['olm'];
// remove the default entries - karma provides its own (via the 'files' and
// 'preprocessors' config below)
delete webpack_config['entry'];
// add ./test as a search path for js
webpack_config.module.loaders.unshift({
test: /\.js$/, loader: "babel",
include: [path.resolve('./src'), path.resolve('./test')],
});
// disable parsing for sinon, because it
// tries to do voodoo with 'require' which upsets
// webpack (https://github.com/webpack/webpack/issues/304)
webpack_config.module.noParse.push(/sinon\/pkg\/sinon\.js$/);
// ?
webpack_config.resolve.alias['sinon'] = 'sinon/pkg/sinon.js';
webpack_config.resolve.root = [
path.resolve('./test'),
];
webpack_config.devtool = 'inline-source-map';
module.exports = function (config) {
const myconfig = {
// frameworks to use
// available frameworks: https://npmjs.org/browse/keyword/karma-adapter
frameworks: ['mocha'],
// list of files / patterns to load in the browser
files: [
'node_modules/babel-polyfill/browser.js',
testFile,
// make the images available via our httpd. They will be avaliable
// below http://localhost:[PORT]/base/. See also `proxies` which
// defines alternative URLs for them.
//
// This isn't required by any of the tests, but it stops karma
// logging warnings when it serves a 404 for them.
{
pattern: 'src/skins/vector/img/*',
watched: false, included: false, served: true, nocache: false,
},
],
proxies: {
// redirect img links to the karma server. See above.
"/img/": "/base/src/skins/vector/img/",
},
// preprocess matching files before serving them to the browser
// available preprocessors:
// https://npmjs.org/browse/keyword/karma-preprocessor
preprocessors: {
'{src,test}/**/*.js': ['webpack', 'sourcemap'],
},
// test results reporter to use
// possible values: 'dots', 'progress'
// available reporters: https://npmjs.org/browse/keyword/karma-reporter
reporters: ['progress', 'junit'],
// web server port
port: 9876,
// enable / disable colors in the output (reporters and logs)
colors: true,
// level of logging
// possible values: config.LOG_DISABLE || config.LOG_ERROR ||
// config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
logLevel: config.LOG_INFO,
// enable / disable watching file and executing tests whenever any file
// changes
autoWatch: true,
// start these browsers
// available browser launchers:
// https://npmjs.org/browse/keyword/karma-launcher
browsers: [
'Chrome',
//'PhantomJS',
//'ChromeHeadless'
],
customLaunchers: {
'ChromeHeadless': {
base: 'Chrome',
flags: [
// '--no-sandbox',
// See https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md
'--headless',
'--disable-gpu',
// Without a remote debugging port, Google Chrome exits immediately.
'--remote-debugging-port=9222',
],
}
},
// Continuous Integration mode
// if true, Karma captures browsers, runs the tests and exits
// singleRun: false,
// Concurrency level
// how many browser should be started simultaneous
concurrency: Infinity,
junitReporter: {
outputDir: 'karma-reports',
},
webpack: webpack_config,
webpackMiddleware: {
stats: {
// don't fill the console up with a mahoosive list of modules
chunks: false,
},
},
};
// include the olm loader if we have it.
if (olm_entry) {
myconfig.files.unshift(olm_entry);
}
config.set(myconfig);
};