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karma.conf.js
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karma.conf.js
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'use strict';
const lernaJson = require('./lerna.json');
const webpack = require('webpack');
let performance = String(process.env.PERFORMANCE) !== 'false';
let localLaunchers = {
ChromeNoSandboxHeadless: {
base: 'Chrome',
flags: [
'--no-sandbox',
'--headless',
'--disable-gpu',
// Without a remote debugging port, Google Chrome exits immediately.
'--remote-debugging-port=9333'
]
},
};
// Instances of browsers that specs will be splitted(sharded).
// More information here: https://github.com/rschuft/karma-sharding
// We cannot use sharding with Mocha.retries, so we are disabling it temporary.
function shard(browserList, instances) {
return Array.apply(null, { length: instances * browserList.length })
.map(function (e, i) { return browserList[i % browserList.length] });
};
if (!process.env.CHROME_BIN) {
process.env.CHROME_BIN = require('puppeteer').executablePath();
}
module.exports = function (config) {
config.set({
browsers: [Object.keys(localLaunchers)],
customLaunchers: localLaunchers,
customHeaders: [{
match: './packages/metal-ajax/test/data/data.json',
name: 'Content-Length',
value: 315186
}],
frameworks: ['mocha', 'chai-sinon'],
plugins: [
'karma-chai-sinon',
'karma-chrome-launcher',
'karma-mocha',
'karma-webpack',
],
preprocessors: {
'packages/*/test/**/*.js': ['webpack']
},
webpack: {
mode: 'development',
module: {
rules: [{
test: /\.js$/,
exclude: /(node_modules)/,
use: {
loader: 'babel-loader',
options: {
compact: true,
comments: false,
presets: ['env']
}
}
}]
},
plugins: [
new webpack.DefinePlugin({
DISABLE_FLAKEY: !!String(process.env.FLAKEY).match(/^(0|false)$/gi),
ENABLE_PERFORMANCE: performance
}),
],
performance: {
hints: false
}
},
webpackMiddleware: {
logLevel: 'error',
stats: 'errors-only'
},
singleRun: true,
browserLogOptions: { terminal: true },
browserConsoleLogOptions: { terminal: true },
browserNoActivityTimeout: 5 * 60 * 1000,
client: {
mocha: {
timeout: 4000,
},
},
exclude: [
'packages/metal-promise/**/*.js',
'packages/metal-css-transitions/**/*.js'
],
files: [
// Since all files will be added, we need to ensure manually that these
// will be added first.
{
pattern: 'packages/*/test/**/*.js',
watched: false,
included: true,
served: true,
},
{
pattern: 'packages/metal-ajax/test/data/data.json',
watched: false,
included: false,
served: true
}
],
singleRun: true,
});
};