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 fs = require('fs');
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/*
* 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.
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*
* If you run karma in multi-run mode (with `yarn test-multi`), it will watch
* the tests for changes, and webpack will rebuild using a cache. This is much quicker
* than a clean rebuild.
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*/
// the name of the test file. By default, a special file which runs all tests.
//
// TODO: this could be a pattern, and karma would run each file, with a
// separate webpack bundle for each file. But then we get a separate instance
// of the sdk, and each of the dependencies, for each test file, and everything
// gets very confused. Can we persuade webpack to put all of the dependencies
// in a 'common' bundle?
//
var testFile = process.env.KARMA_TEST_FILE || 'test/all-tests.js';
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process.env.PHANTOMJS_BIN = 'node_modules/.bin/phantomjs';
function fileExists(name) {
try {
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fs.statSync(name);
return true;
} catch (e) {
return false;
}
}
// try find the gemini-scrollbar css in an version-agnostic way
var gsCss = 'node_modules/gemini-scrollbar/gemini-scrollbar.css';
if (!fileExists(gsCss)) {
gsCss = 'node_modules/react-gemini-scrollbar/'+gsCss;
}
module.exports = function (config) {
config.set({
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// frameworks to use
// available frameworks: https://npmjs.org/browse/keyword/karma-adapter
frameworks: ['mocha'],
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// list of files / patterns to load in the browser
files: [
testFile,
gsCss,
// some images to reduce noise from the tests
{pattern: 'test/img/*', watched: false, included: false,
served: true, nocache: false},
// translation files
{pattern: 'src/i18n/strings/*', watcheed: false, included: false, served: true},
{pattern: 'test/i18n/*', watched: false, included: false, served: true},
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],
proxies: {
// redirect img links to the karma server
"/img/": "/base/test/img/",
// special languages.json file for the tests
"/i18n/languages.json": "/base/test/i18n/languages.json",
// and redirect i18n requests
"/i18n/": "/base/src/i18n/strings/",
},
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// list of files to exclude
//
// This doesn't work. It turns out that it's webpack which does the
// watching of the /test directory (karma only watches `testFile`
// itself). Webpack watches the directory so that it can spot
// new tests, which is fair enough; unfortunately it triggers a rebuild
// every time a lockfile is created in that directory, and there
// doesn't seem to be any way to tell webpack to ignore particular
// files in a watched directory.
//
// exclude: [
// '**/.#*'
// ],
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// preprocess matching files before serving them to the browser
// available preprocessors:
// https://npmjs.org/browse/keyword/karma-preprocessor
preprocessors: {
'test/**/*.js': ['webpack', 'sourcemap']
},
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// test results reporter to use
// possible values: 'dots', 'progress'
// available reporters: https://npmjs.org/browse/keyword/karma-reporter
reporters: ['logcapture', 'spec', 'summary'],
specReporter: {
suppressErrorSummary: false, // do print error summary
suppressFailed: false, // do print information about failed tests
suppressPassed: false, // do print information about passed tests
showSpecTiming: true, // print the time elapsed for each spec
},
client: {
captureLogs: true,
},
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// 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
//
// This is strictly for logs that would be generated by the browser itself and we
// don't want to log about missing images, which are emitted on LOG_WARN.
logLevel: config.LOG_ERROR,
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// 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',
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],
customLaunchers: {
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'VectorChromeHeadless': {
base: 'Chrome',
flags: [
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'--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',
],
}
},
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// Continuous Integration mode
// if true, Karma captures browsers, runs the tests and exits
// singleRun: false,
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// Concurrency level
// how many browser should be started simultaneous
concurrency: Infinity,
webpack: {
module: {
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rules: [
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{
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test: /\.js$/, loader: "babel-loader",
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include: [path.resolve('./src'),
path.resolve('./test'),
]
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},
{
test: /\.(gif|png|svg|ttf|woff2)$/,
loader: 'file-loader',
},
],
noParse: [
// for cross platform compatibility use [\\\/] as the path separator
// this ensures that the regex trips on both Windows and *nix
// don't parse the languages within highlight.js. They
// cause stack overflows
// (https://github.com/webpack/webpack/issues/1721), and
// there is no need for webpack to parse them - they can
// just be included as-is.
/highlight\.js[\\\/]lib[\\\/]languages/,
// olm takes ages for webpack to process, and it's already heavily
// optimised, so there is little to gain by us uglifying it.
/olm[\\\/](javascript[\\\/])?olm\.js$/,
// also disable parsing for sinon, because it
// tries to do voodoo with 'require' which upsets
// webpack (https://github.com/webpack/webpack/issues/304)
/sinon[\\\/]pkg[\\\/]sinon\.js$/,
],
},
resolve: {
alias: {
// alias any requires to the react module to the one in our
// path, otherwise we tend to get the react source included
// twice when using `npm link` / `yarn link`.
react: path.resolve('./node_modules/react'),
'matrix-react-sdk': path.resolve('test/skinned-sdk.js'),
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'sinon': 'sinon/pkg/sinon.js',
},
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modules: [
path.resolve('./test'),
"node_modules"
],
},
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devtool: 'inline-source-map',
externals: {
// Don't try to bundle electron: leave it as a commonjs dependency
// (the 'commonjs' here means it will output a 'require')
"electron": "commonjs electron",
},
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// make sure we're flagged as development to avoid wasting time optimising
mode: 'development',
},
webpackMiddleware: {
stats: {
// don't fill the console up with a mahoosive list of modules
chunks: false,
},
},
browserNoActivityTimeout: 15000,
});
};