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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, crashReporter, dialog, ipcMain, protocol, webContents } = electron
const fs = require('fs')
const path = require('path')
const util = require('util')
const v8 = require('v8')
const argv = require('yargs')
.boolean('ci')
.string('g').alias('g', 'grep')
.boolean('i').alias('i', 'invert')
.argv
let window = null
// will be used by crash-reporter spec.
process.port = 0
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
// Adding a variable for sandbox process.env test validation
process.env.sandboxmain = ''
// Access console to reproduce #3482.
// eslint-disable-next-line
console
ipcMain.on('message', function (event, ...args) {
event.sender.send('message', ...args)
})
// Set productName so getUploadedReports() uses the right directory in specs
if (process.platform !== 'darwin') {
crashReporter.productName = 'Zombies'
}
// 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
})
global.setTimeoutPromisified = util.promisify(setTimeout)
global.permissionChecks = {
allow: () => electron.session.defaultSession.setPermissionCheckHandler(null),
reject: () => electron.session.defaultSession.setPermissionCheckHandler(() => false)
}
global.isCi = !!argv.ci
if (global.isCi) {
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
// Register app as standard scheme.
global.standardScheme = 'app'
global.zoomScheme = 'zoom'
protocol.registerSchemesAsPrivileged([
{ scheme: global.standardScheme, privileges: { standard: true, secure: true } },
{ scheme: global.zoomScheme, privileges: { standard: true, secure: true } },
{ scheme: 'cors', privileges: { corsEnabled: true, supportFetchAPI: true } },
{ scheme: 'cors-blob', privileges: { corsEnabled: true, supportFetchAPI: true } },
{ scheme: 'no-cors', privileges: { supportFetchAPI: true } },
{ scheme: 'no-fetch', privileges: { corsEnabled: true } }
])
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.on('ready', function () {
// Test if using protocol module would crash.
electron.protocol.registerStringProtocol('test-if-crashes', function () {})
// Send auto updater errors to window to be verified in specs
electron.autoUpdater.on('error', function (error) {
window.send('auto-updater-error', error.message)
})
window = new BrowserWindow({
title: 'Electron Tests',
show: !global.isCi,
width: 800,
height: 600,
webPreferences: {
backgroundThrottling: false,
nodeIntegration: true,
webviewTag: true
}
})
window.loadFile('static/index.html', {
query: {
grep: argv.grep,
invert: argv.invert ? 'true' : ''
}
})
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-input-event', (event, key, id) => {
webContents.fromId(id).once('before-input-event', (event, input) => {
if (key === input.key) event.preventDefault()
})
event.returnValue = null
})
ipcMain.on('executeJavaScript', function (event, code) {
window.webContents.executeJavaScript(code).then((result) => {
window.webContents.send('executeJavaScript-promise-response', result)
}).catch((error) => {
window.webContents.send('executeJavaScript-promise-error', error)
if (error && error.name) {
window.webContents.send('executeJavaScript-promise-error-name', error.name)
}
})
})
})
ipcMain.on('handle-next-ipc-message-sync', function (event, returnValue) {
event.sender.once('ipc-message-sync', (event, channel, args) => {
event.returnValue = returnValue
})
})
for (const eventName of [
'desktop-capturer-get-sources',
'remote-get-guest-web-contents'
]) {
ipcMain.on(`handle-next-${eventName}`, function (event, returnValue) {
event.sender.once(eventName, (event) => {
if (returnValue) {
event.returnValue = returnValue
} else {
event.preventDefault()
}
})
})
}
ipcMain.on('set-client-certificate-option', function (event, skip) {
app.once('select-client-certificate', function (event, webContents, url, list, callback) {
event.preventDefault()
if (skip) {
callback()
} else {
ipcMain.on('client-certificate-response', function (event, certificate) {
callback(certificate)
})
window.webContents.send('select-client-certificate', webContents.id, list)
}
})
event.returnValue = 'done'
})
ipcMain.on('create-window-with-options-cycle', (event) => {
// This can't be done over remote since cycles are already
// nulled out at the IPC layer
const foo = {}
foo.bar = foo
foo.baz = {
hello: {
world: true
}
}
foo.baz2 = foo.baz
const window = new BrowserWindow({ show: false, foo: foo })
event.returnValue = window.id
})
ipcMain.on('prevent-next-new-window', (event, id) => {
webContents.fromId(id).once('new-window', event => event.preventDefault())
})
ipcMain.on('set-options-on-next-new-window', (event, id, key, value) => {
webContents.fromId(id).once('new-window', (event, url, frameName, disposition, options) => {
options[key] = value
})
})
ipcMain.on('set-web-preferences-on-next-new-window', (event, id, key, value) => {
webContents.fromId(id).once('new-window', (event, url, frameName, disposition, options) => {
options.webPreferences[key] = value
})
})
ipcMain.on('prevent-next-will-attach-webview', (event) => {
event.sender.once('will-attach-webview', event => event.preventDefault())
})
ipcMain.on('prevent-next-will-prevent-unload', (event, id) => {
webContents.fromId(id).once('will-prevent-unload', event => event.preventDefault())
})
ipcMain.on('disable-node-on-next-will-attach-webview', (event, id) => {
event.sender.once('will-attach-webview', (event, webPreferences, params) => {
params.src = `file://${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('try-emit-web-contents-event', (event, id, eventName) => {
const consoleWarn = console.warn
const contents = webContents.fromId(id)
const listenerCountBefore = contents.listenerCount(eventName)
console.warn = (warningMessage) => {
console.warn = consoleWarn
const listenerCountAfter = contents.listenerCount(eventName)
event.returnValue = {
warningMessage,
listenerCountBefore,
listenerCountAfter
}
}
contents.emit(eventName, { sender: contents })
})
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)
})
}