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code-server/lib/vscode/test/unit/electron/renderer.js

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
/*eslint-env mocha*/
const { ipcRenderer } = require('electron');
const assert = require('assert');
const path = require('path');
const glob = require('glob');
const util = require('util');
const bootstrap = require('../../../src/bootstrap');
const coverage = require('../coverage');
// Disabled custom inspect. See #38847
if (util.inspect && util.inspect['defaultOptions']) {
util.inspect['defaultOptions'].customInspect = false;
}
let _tests_glob = '**/test/**/*.test.js';
let loader;
let _out;
function initLoader(opts) {
let outdir = opts.build ? 'out-build' : 'out';
_out = path.join(__dirname, `../../../${outdir}`);
// setup loader
loader = require(`${_out}/vs/loader`);
const loaderConfig = {
nodeRequire: require,
nodeMain: __filename,
catchError: true,
baseUrl: bootstrap.fileUriFromPath(path.join(__dirname, '../../../src'), { isWindows: process.platform === 'win32' }),
paths: {
'vs': `../${outdir}/vs`,
'lib': `../${outdir}/lib`,
'bootstrap-fork': `../${outdir}/bootstrap-fork`
}
};
if (opts.coverage) {
// initialize coverage if requested
coverage.initialize(loaderConfig);
}
loader.require.config(loaderConfig);
}
function createCoverageReport(opts) {
if (opts.coverage) {
return coverage.createReport(opts.run || opts.runGlob);
}
return Promise.resolve(undefined);
}
function loadTestModules(opts) {
if (opts.run) {
const files = Array.isArray(opts.run) ? opts.run : [opts.run];
const modules = files.map(file => {
file = file.replace(/^src/, 'out');
file = file.replace(/\.ts$/, '.js');
return path.relative(_out, file).replace(/\.js$/, '');
});
return new Promise((resolve, reject) => {
loader.require(modules, resolve, reject);
});
}
const pattern = opts.runGlob || _tests_glob;
return new Promise((resolve, reject) => {
glob(pattern, { cwd: _out }, (err, files) => {
if (err) {
reject(err);
return;
}
const modules = files.map(file => file.replace(/\.js$/, ''));
resolve(modules);
});
}).then(modules => {
return new Promise((resolve, reject) => {
loader.require(modules, resolve, reject);
});
});
}
function loadTests(opts) {
const _unexpectedErrors = [];
const _loaderErrors = [];
// collect loader errors
loader.require.config({
onError(err) {
_loaderErrors.push(err);
console.error(err);
}
});
// collect unexpected errors
loader.require(['vs/base/common/errors'], function (errors) {
errors.setUnexpectedErrorHandler(function (err) {
let stack = (err ? err.stack : null);
if (!stack) {
stack = new Error().stack;
}
_unexpectedErrors.push((err && err.message ? err.message : err) + '\n' + stack);
});
});
return loadTestModules(opts).then(() => {
suite('Unexpected Errors & Loader Errors', function () {
test('should not have unexpected errors', function () {
const errors = _unexpectedErrors.concat(_loaderErrors);
if (errors.length) {
errors.forEach(function (stack) {
console.error('');
console.error(stack);
});
assert.ok(false, errors);
}
});
});
});
}
function serializeSuite(suite) {
return {
root: suite.root,
suites: suite.suites.map(serializeSuite),
tests: suite.tests.map(serializeRunnable),
title: suite.title,
fullTitle: suite.fullTitle(),
timeout: suite.timeout(),
retries: suite.retries(),
enableTimeouts: suite.enableTimeouts(),
slow: suite.slow(),
bail: suite.bail()
};
}
function serializeRunnable(runnable) {
return {
title: runnable.title,
fullTitle: runnable.fullTitle(),
async: runnable.async,
slow: runnable.slow(),
speed: runnable.speed,
duration: runnable.duration
};
}
function serializeError(err) {
return {
message: err.message,
stack: err.stack,
actual: err.actual,
expected: err.expected,
uncaught: err.uncaught,
showDiff: err.showDiff,
inspect: typeof err.inspect === 'function' ? err.inspect() : ''
};
}
class IPCReporter {
constructor(runner) {
runner.on('start', () => ipcRenderer.send('start'));
runner.on('end', () => ipcRenderer.send('end'));
runner.on('suite', suite => ipcRenderer.send('suite', serializeSuite(suite)));
runner.on('suite end', suite => ipcRenderer.send('suite end', serializeSuite(suite)));
runner.on('test', test => ipcRenderer.send('test', serializeRunnable(test)));
runner.on('test end', test => ipcRenderer.send('test end', serializeRunnable(test)));
runner.on('hook', hook => ipcRenderer.send('hook', serializeRunnable(hook)));
runner.on('hook end', hook => ipcRenderer.send('hook end', serializeRunnable(hook)));
runner.on('pass', test => ipcRenderer.send('pass', serializeRunnable(test)));
runner.on('fail', (test, err) => ipcRenderer.send('fail', serializeRunnable(test), serializeError(err)));
runner.on('pending', test => ipcRenderer.send('pending', serializeRunnable(test)));
}
}
function runTests(opts) {
return loadTests(opts).then(() => {
if (opts.grep) {
mocha.grep(opts.grep);
}
if (!opts.debug) {
mocha.reporter(IPCReporter);
}
const runner = mocha.run(() => {
createCoverageReport(opts).then(() => {
ipcRenderer.send('all done');
});
});
if (opts.debug) {
runner.on('fail', (test, err) => {
console.error(test.fullTitle());
console.error(err.stack);
});
}
});
}
ipcRenderer.on('run', (e, opts) => {
initLoader(opts);
runTests(opts).catch(err => {
if (typeof err !== 'string') {
err = JSON.stringify(err);
}
console.error(err);
ipcRenderer.send('error', err);
});
});