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index.js
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index.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.
*--------------------------------------------------------------------------------------------*/
// mocha disables running through electron by default. Note that this must
// come before any mocha imports.
process.env.MOCHA_COLORS = '1';
const { app, BrowserWindow, ipcMain } = require('electron');
const { tmpdir } = require('os');
const { join } = require('path');
const path = require('path');
const mocha = require('mocha');
const events = require('events');
const MochaJUnitReporter = require('mocha-junit-reporter');
const url = require('url');
const net = require('net');
const createStatsCollector = require('mocha/lib/stats-collector');
const FullJsonStreamReporter = require('../fullJsonStreamReporter');
// Disable render process reuse, we still have
// non-context aware native modules in the renderer.
app.allowRendererProcessReuse = false;
const optimist = require('optimist')
.describe('grep', 'only run tests matching <pattern>').alias('grep', 'g').alias('grep', 'f').string('grep')
.describe('run', 'only run tests from <file>').string('run')
.describe('runGlob', 'only run tests matching <file_pattern>').alias('runGlob', 'glob').alias('runGlob', 'runGrep').string('runGlob')
.describe('build', 'run with build output (out-build)').boolean('build')
.describe('coverage', 'generate coverage report').boolean('coverage')
.describe('debug', 'open dev tools, keep window open, reuse app data').string('debug')
.describe('reporter', 'the mocha reporter').string('reporter').default('reporter', 'spec')
.describe('reporter-options', 'the mocha reporter options').string('reporter-options').default('reporter-options', '')
.describe('wait-server', 'port to connect to and wait before running tests')
.describe('timeout', 'timeout for tests')
.describe('tfs').string('tfs')
.describe('help', 'show the help').alias('help', 'h');
const argv = optimist.argv;
if (argv.help) {
optimist.showHelp();
process.exit(0);
}
if (!argv.debug) {
app.setPath('userData', join(tmpdir(), `vscode-tests-${Date.now()}`));
}
function deserializeSuite(suite) {
return {
root: suite.root,
suites: suite.suites,
tests: suite.tests,
title: suite.title,
titlePath: () => suite.titlePath,
fullTitle: () => suite.fullTitle,
timeout: () => suite.timeout,
retries: () => suite.retries,
slow: () => suite.slow,
bail: () => suite.bail
};
}
function deserializeRunnable(runnable) {
return {
title: runnable.title,
titlePath: () => runnable.titlePath,
fullTitle: () => runnable.fullTitle,
async: runnable.async,
slow: () => runnable.slow,
speed: runnable.speed,
duration: runnable.duration,
currentRetry: () => runnable.currentRetry
};
}
function importMochaReporter(name) {
if (name === 'full-json-stream') {
return FullJsonStreamReporter;
}
const reporterPath = path.join(path.dirname(require.resolve('mocha')), 'lib', 'reporters', name);
return require(reporterPath);
}
function deserializeError(err) {
const inspect = err.inspect;
err.inspect = () => inspect;
if (err.actual) {
err.actual = JSON.parse(err.actual).value;
}
if (err.expected) {
err.expected = JSON.parse(err.expected).value;
}
return err;
}
class IPCRunner extends events.EventEmitter {
constructor() {
super();
this.didFail = false;
this.didEnd = false;
ipcMain.on('start', () => this.emit('start'));
ipcMain.on('end', () => {
this.didEnd = true;
this.emit('end');
});
ipcMain.on('suite', (e, suite) => this.emit('suite', deserializeSuite(suite)));
ipcMain.on('suite end', (e, suite) => this.emit('suite end', deserializeSuite(suite)));
ipcMain.on('test', (e, test) => this.emit('test', deserializeRunnable(test)));
ipcMain.on('test end', (e, test) => this.emit('test end', deserializeRunnable(test)));
ipcMain.on('hook', (e, hook) => this.emit('hook', deserializeRunnable(hook)));
ipcMain.on('hook end', (e, hook) => this.emit('hook end', deserializeRunnable(hook)));
ipcMain.on('pass', (e, test) => this.emit('pass', deserializeRunnable(test)));
ipcMain.on('fail', (e, test, err) => {
this.didFail = true;
this.emit('fail', deserializeRunnable(test), deserializeError(err));
});
ipcMain.on('pending', (e, test) => this.emit('pending', deserializeRunnable(test)));
}
}
function parseReporterOption(value) {
let r = /^([^=]+)=(.*)$/.exec(value);
return r ? { [r[1]]: r[2] } : {};
}
app.on('ready', () => {
ipcMain.on('error', (_, err) => {
if (!argv.debug) {
console.error(err);
app.exit(1);
}
});
// We need to provide a basic `ISandboxConfiguration`
// for our preload script to function properly because
// some of our types depend on it (e.g. product.ts).
ipcMain.handle('vscode:test-vscode-window-config', async () => {
return {
product: {
version: '1.x.y',
nameShort: 'Code - OSS Dev',
nameLong: 'Code - OSS Dev',
applicationName: 'code-oss',
dataFolderName: '.vscode-oss',
urlProtocol: 'code-oss',
}
};
});
// No-op since invoke the IPC as part of IIFE in the preload.
ipcMain.handle('vscode:fetchShellEnv', event => { });
const win = new BrowserWindow({
height: 600,
width: 800,
show: false,
webPreferences: {
preload: path.join(__dirname, '..', '..', '..', 'src', 'vs', 'base', 'parts', 'sandbox', 'electron-browser', 'preload.js'), // ensure similar environment as VSCode as tests may depend on this
additionalArguments: [`--vscode-window-config=vscode:test-vscode-window-config`],
nodeIntegration: true,
contextIsolation: false,
enableWebSQL: false,
spellcheck: false,
nativeWindowOpen: true,
webviewTag: true
}
});
win.webContents.on('did-finish-load', () => {
if (argv.debug) {
win.show();
win.webContents.openDevTools();
}
if (argv.waitServer) {
waitForServer(Number(argv.waitServer)).then(sendRun);
} else {
sendRun();
}
});
async function waitForServer(port) {
let timeout;
let socket;
return new Promise(resolve => {
socket = net.connect(port, '127.0.0.1');
socket.on('error', e => {
console.error('error connecting to waitServer', e);
resolve();
});
socket.on('close', () => {
resolve();
});
timeout = setTimeout(() => {
console.error('timed out waiting for before starting tests debugger');
resolve();
}, 7000);
}).finally(() => {
if (socket) {
socket.end();
}
clearTimeout(timeout);
});
}
function sendRun() {
win.webContents.send('run', argv);
}
win.loadURL(url.format({ pathname: path.join(__dirname, 'renderer.html'), protocol: 'file:', slashes: true }));
const runner = new IPCRunner();
createStatsCollector(runner);
// Handle renderer crashes, #117068
win.webContents.on('render-process-gone', (evt, details) => {
if (!runner.didEnd) {
console.error(`Renderer process crashed with: ${JSON.stringify(details)}`);
app.exit(1);
}
});
if (argv.tfs) {
new mocha.reporters.Spec(runner);
new MochaJUnitReporter(runner, {
reporterOptions: {
testsuitesTitle: `${argv.tfs} ${process.platform}`,
mochaFile: process.env.BUILD_ARTIFACTSTAGINGDIRECTORY ? path.join(process.env.BUILD_ARTIFACTSTAGINGDIRECTORY, `test-results/${process.platform}-${process.arch}-${argv.tfs.toLowerCase().replace(/[^\w]/g, '-')}-results.xml`) : undefined
}
});
} else {
// mocha patches symbols to use windows escape codes, but it seems like
// Electron mangles these in its output.
if (process.platform === 'win32') {
Object.assign(importMochaReporter('base').symbols, {
ok: '+',
err: 'X',
dot: '.',
});
}
let Reporter;
try {
Reporter = importMochaReporter(argv.reporter);
} catch (err) {
try {
Reporter = require(argv.reporter);
} catch (err) {
Reporter = process.platform === 'win32' ? mocha.reporters.List : mocha.reporters.Spec;
console.warn(`could not load reporter: ${argv.reporter}, using ${Reporter.name}`);
}
}
let reporterOptions = argv['reporter-options'];
reporterOptions = typeof reporterOptions === 'string' ? [reporterOptions] : reporterOptions;
reporterOptions = reporterOptions.reduce((r, o) => Object.assign(r, parseReporterOption(o)), {});
new Reporter(runner, { reporterOptions });
}
if (!argv.debug) {
ipcMain.on('all done', () => app.exit(runner.didFail ? 1 : 0));
}
});