/
main.js
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/
main.js
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// Deprecated APIs are still supported and should be tested.
process.throwDeprecation = false;
const electron = require('electron');
const { app, BrowserWindow, dialog, ipcMain, session } = electron;
try {
require('fs').rmdirSync(app.getPath('userData'), { recursive: true });
} catch (e) {
console.warn('Warning: couldn\'t clear user data directory:', e);
}
const fs = require('fs');
const path = require('path');
const util = require('util');
const v8 = require('v8');
const argv = require('yargs')
.boolean('ci')
.array('files')
.string('g').alias('g', 'grep')
.boolean('i').alias('i', 'invert')
.argv;
let window = null;
v8.setFlagsFromString('--expose_gc');
app.commandLine.appendSwitch('js-flags', '--expose_gc');
app.commandLine.appendSwitch('ignore-certificate-errors');
app.commandLine.appendSwitch('disable-renderer-backgrounding');
// Disable security warnings (the security warnings test will enable them)
process.env.ELECTRON_DISABLE_SECURITY_WARNINGS = true;
// Accessing stdout in the main process will result in the process.stdout
// throwing UnknownSystemError in renderer process sometimes. This line makes
// sure we can reproduce it in renderer process.
// eslint-disable-next-line
process.stdout
// Access console to reproduce #3482.
// eslint-disable-next-line
console
ipcMain.on('message', function (event, ...args) {
event.sender.send('message', ...args);
});
ipcMain.handle('get-modules', () => Object.keys(electron));
ipcMain.handle('get-temp-dir', () => app.getPath('temp'));
ipcMain.handle('ping', () => null);
// Write output to file if OUTPUT_TO_FILE is defined.
const outputToFile = process.env.OUTPUT_TO_FILE;
const print = function (_, method, args) {
const output = util.format.apply(null, args);
if (outputToFile) {
fs.appendFileSync(outputToFile, output + '\n');
} else {
console[method](output);
}
};
ipcMain.on('console-call', print);
ipcMain.on('process.exit', function (event, code) {
process.exit(code);
});
ipcMain.on('eval', function (event, script) {
event.returnValue = eval(script) // eslint-disable-line
});
ipcMain.on('echo', function (event, msg) {
event.returnValue = msg;
});
process.removeAllListeners('uncaughtException');
process.on('uncaughtException', function (error) {
console.error(error, error.stack);
process.exit(1);
});
global.nativeModulesEnabled = !process.env.ELECTRON_SKIP_NATIVE_MODULE_TESTS;
app.on('window-all-closed', function () {
app.quit();
});
app.on('gpu-process-crashed', (event, killed) => {
console.log(`GPU process crashed (killed=${killed})`);
});
app.on('renderer-process-crashed', (event, contents, killed) => {
console.log(`webContents ${contents.id} crashed: ${contents.getURL()} (killed=${killed})`);
});
app.whenReady().then(async function () {
await session.defaultSession.clearCache();
await session.defaultSession.clearStorageData();
// Test if using protocol module would crash.
electron.protocol.registerStringProtocol('test-if-crashes', function () {});
window = new BrowserWindow({
title: 'Electron Tests',
show: false,
width: 800,
height: 600,
webPreferences: {
backgroundThrottling: false,
nodeIntegration: true,
webviewTag: true,
contextIsolation: false
}
});
window.loadFile('static/index.html', {
query: {
grep: argv.grep,
invert: argv.invert ? 'true' : '',
files: argv.files ? argv.files.join(',') : undefined
}
});
window.on('unresponsive', function () {
const chosen = dialog.showMessageBox(window, {
type: 'warning',
buttons: ['Close', 'Keep Waiting'],
message: 'Window is not responsing',
detail: 'The window is not responding. Would you like to force close it or just keep waiting?'
});
if (chosen === 0) window.destroy();
});
window.webContents.on('crashed', function () {
console.error('Renderer process crashed');
process.exit(1);
});
});
ipcMain.on('prevent-next-will-attach-webview', (event) => {
event.sender.once('will-attach-webview', event => event.preventDefault());
});
ipcMain.on('disable-node-on-next-will-attach-webview', (event, id) => {
event.sender.once('will-attach-webview', (event, webPreferences, params) => {
params.src = `file://${path.join(__dirname, '..', 'fixtures', 'pages', 'c.html')}`;
webPreferences.nodeIntegration = false;
});
});
ipcMain.on('disable-preload-on-next-will-attach-webview', (event, id) => {
event.sender.once('will-attach-webview', (event, webPreferences, params) => {
params.src = `file://${path.join(__dirname, '..', 'fixtures', 'pages', 'webview-stripped-preload.html')}`;
delete webPreferences.preload;
delete webPreferences.preloadURL;
});
});
ipcMain.on('handle-uncaught-exception', (event, message) => {
suspendListeners(process, 'uncaughtException', (error) => {
event.returnValue = error.message;
});
fs.readFile(__filename, () => {
throw new Error(message);
});
});
ipcMain.on('handle-unhandled-rejection', (event, message) => {
suspendListeners(process, 'unhandledRejection', (error) => {
event.returnValue = error.message;
});
fs.readFile(__filename, () => {
Promise.reject(new Error(message));
});
});
// Suspend listeners until the next event and then restore them
const suspendListeners = (emitter, eventName, callback) => {
const listeners = emitter.listeners(eventName);
emitter.removeAllListeners(eventName);
emitter.once(eventName, (...args) => {
emitter.removeAllListeners(eventName);
listeners.forEach((listener) => {
emitter.on(eventName, listener);
});
// eslint-disable-next-line standard/no-callback-literal
callback(...args);
});
};