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 `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.
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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';
process.env.PHANTOMJS_BIN = 'node_modules/.bin/phantomjs';
function fileExists(name) {
try {
fs.statSync(gsCss);
return true;
} catch (e) {
return false;
}
}
// try find the gemini-scrollbar css in an npm-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},
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],
// redirect img links to the karma server
proxies: {
"/img/": "/base/test/img/",
},
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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
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reporters: ['progress', 'junit'],
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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
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',
],
// Continuous Integration mode
// if true, Karma captures browsers, runs the tests and exits
singleRun: true,
// Concurrency level
// how many browser should be started simultaneous
concurrency: Infinity,
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junitReporter: {
outputDir: 'karma-reports',
},
webpack: {
module: {
loaders: [
{ test: /\.json$/, loader: "json" },
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{
test: /\.js$/, loader: "babel",
include: [path.resolve('./src'),
path.resolve('./test'),
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],
query: {
// we're using react 5, for consistency with
// the release build, which doesn't use the
// presets.
// presets: ['react', 'es2015'],
},
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},
],
noParse: [
// 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/,
// 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.
react: path.resolve('./node_modules/react'),
'matrix-react-sdk': path.resolve('test/skinned-sdk.js'),
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'sinon': 'sinon/pkg/sinon.js',
},
root: [
path.resolve('./src'),
path.resolve('./test'),
],
},
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devtool: 'inline-source-map',
},
browserNoActivityTimeout: 15000,
});
};