electron/spec/api-browser-window-spec.js
2016-11-28 14:47:06 -08:00

1854 lines
57 KiB
JavaScript

'use strict'
const assert = require('assert')
const fs = require('fs')
const path = require('path')
const os = require('os')
const qs = require('querystring')
const http = require('http')
const {closeWindow} = require('./window-helpers')
const {ipcRenderer, remote, screen} = require('electron')
const {app, ipcMain, BrowserWindow, protocol} = remote
const isCI = remote.getGlobal('isCi')
describe('browser-window module', function () {
var fixtures = path.resolve(__dirname, 'fixtures')
var w = null
var server, postData
before(function (done) {
const filePath = path.join(fixtures, 'pages', 'a.html')
const fileStats = fs.statSync(filePath)
postData = [
{
type: 'rawData',
bytes: new Buffer('username=test&file=')
},
{
type: 'file',
filePath: filePath,
offset: 0,
length: fileStats.size,
modificationTime: fileStats.mtime.getTime() / 1000
}
]
server = http.createServer(function (req, res) {
function respond () {
if (req.method === 'POST') {
let body = ''
req.on('data', (data) => {
if (data) {
body += data
}
})
req.on('end', () => {
let parsedData = qs.parse(body)
fs.readFile(filePath, (err, data) => {
if (err) return
if (parsedData.username === 'test' &&
parsedData.file === data.toString()) {
res.end()
}
})
})
} else {
res.end()
}
}
setTimeout(respond, req.url.includes('slow') ? 200 : 0)
})
server.listen(0, '127.0.0.1', function () {
server.url = 'http://127.0.0.1:' + server.address().port
done()
})
})
after(function () {
server.close()
server = null
})
beforeEach(function () {
w = new BrowserWindow({
show: false,
width: 400,
height: 400,
webPreferences: {
backgroundThrottling: false
}
})
})
afterEach(function () {
return closeWindow(w).then(function () { w = null })
})
describe('BrowserWindow.close()', function () {
it('should emit unload handler', function (done) {
w.webContents.on('did-finish-load', function () {
w.close()
})
w.once('closed', function () {
var test = path.join(fixtures, 'api', 'unload')
var content = fs.readFileSync(test)
fs.unlinkSync(test)
assert.equal(String(content), 'unload')
done()
})
w.loadURL('file://' + path.join(fixtures, 'api', 'unload.html'))
})
it('should emit beforeunload handler', function (done) {
w.once('onbeforeunload', function () {
done()
})
w.webContents.on('did-finish-load', function () {
w.close()
})
w.loadURL('file://' + path.join(fixtures, 'api', 'beforeunload-false.html'))
})
})
describe('window.close()', function () {
it('should emit unload handler', function (done) {
w.once('closed', function () {
var test = path.join(fixtures, 'api', 'close')
var content = fs.readFileSync(test)
fs.unlinkSync(test)
assert.equal(String(content), 'close')
done()
})
w.loadURL('file://' + path.join(fixtures, 'api', 'close.html'))
})
it('should emit beforeunload handler', function (done) {
w.once('onbeforeunload', function () {
done()
})
w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-false.html'))
})
})
describe('BrowserWindow.destroy()', function () {
it('prevents users to access methods of webContents', function () {
var webContents = w.webContents
w.destroy()
assert.throws(function () {
webContents.getId()
}, /Object has been destroyed/)
})
})
describe('BrowserWindow.loadURL(url)', function () {
it('should emit did-start-loading event', function (done) {
w.webContents.on('did-start-loading', function () {
done()
})
w.loadURL('about:blank')
})
it('should emit ready-to-show event', function (done) {
w.on('ready-to-show', function () {
done()
})
w.loadURL('about:blank')
})
it('should emit did-get-response-details event', function (done) {
// expected {fileName: resourceType} pairs
var expectedResources = {
'did-get-response-details.html': 'mainFrame',
'logo.png': 'image'
}
var responses = 0
w.webContents.on('did-get-response-details', function (event, status, newUrl, oldUrl, responseCode, method, referrer, headers, resourceType) {
responses++
var fileName = newUrl.slice(newUrl.lastIndexOf('/') + 1)
var expectedType = expectedResources[fileName]
assert(!!expectedType, `Unexpected response details for ${newUrl}`)
assert(typeof status === 'boolean', 'status should be boolean')
assert.equal(responseCode, 200)
assert.equal(method, 'GET')
assert(typeof referrer === 'string', 'referrer should be string')
assert(!!headers, 'headers should be present')
assert(typeof headers === 'object', 'headers should be object')
assert.equal(resourceType, expectedType, 'Incorrect resourceType')
if (responses === Object.keys(expectedResources).length) {
done()
}
})
w.loadURL('file://' + path.join(fixtures, 'pages', 'did-get-response-details.html'))
})
it('should emit did-fail-load event for files that do not exist', function (done) {
w.webContents.on('did-fail-load', function (event, code, desc, url, isMainFrame) {
assert.equal(code, -6)
assert.equal(desc, 'ERR_FILE_NOT_FOUND')
assert.equal(isMainFrame, true)
done()
})
w.loadURL('file://a.txt')
})
it('should emit did-fail-load event for invalid URL', function (done) {
w.webContents.on('did-fail-load', function (event, code, desc, url, isMainFrame) {
assert.equal(desc, 'ERR_INVALID_URL')
assert.equal(code, -300)
assert.equal(isMainFrame, true)
done()
})
w.loadURL('http://example:port')
})
it('should set `mainFrame = false` on did-fail-load events in iframes', function (done) {
w.webContents.on('did-fail-load', function (event, code, desc, url, isMainFrame) {
assert.equal(isMainFrame, false)
done()
})
w.loadURL('file://' + path.join(fixtures, 'api', 'did-fail-load-iframe.html'))
})
it('does not crash in did-fail-provisional-load handler', function (done) {
this.timeout(10000)
w.webContents.once('did-fail-provisional-load', function () {
w.loadURL('http://127.0.0.1:11111')
done()
})
w.loadURL('http://127.0.0.1:11111')
})
describe('POST navigations', function () {
afterEach(() => {
w.webContents.session.webRequest.onBeforeSendHeaders(null)
})
it('supports specifying POST data', function (done) {
w.webContents.on('did-finish-load', () => done())
w.loadURL(server.url, {postData: postData})
})
it('sets the content type header on URL encoded forms', function (done) {
w.webContents.on('did-finish-load', () => {
w.webContents.session.webRequest.onBeforeSendHeaders((details, callback) => {
assert.equal(details.requestHeaders['content-type'], 'application/x-www-form-urlencoded')
done()
})
w.webContents.executeJavaScript(`
form = document.createElement('form')
form.method = 'POST'
form.target = '_blank'
form.submit()
`)
})
w.loadURL(server.url)
})
it('sets the content type header on multi part forms', function (done) {
w.webContents.on('did-finish-load', () => {
w.webContents.session.webRequest.onBeforeSendHeaders((details, callback) => {
assert(details.requestHeaders['content-type'].startsWith('multipart/form-data; boundary=----WebKitFormBoundary'))
done()
})
w.webContents.executeJavaScript(`
form = document.createElement('form')
form.method = 'POST'
form.target = '_blank'
form.enctype = 'multipart/form-data'
file = document.createElement('input')
file.type = 'file'
file.name = 'file'
form.appendChild(file)
form.submit()
`)
})
w.loadURL(server.url)
})
})
})
describe('BrowserWindow.show()', function () {
if (isCI) {
return
}
it('should focus on window', function () {
w.show()
assert(w.isFocused())
})
it('should make the window visible', function () {
w.show()
assert(w.isVisible())
})
it('emits when window is shown', function (done) {
this.timeout(10000)
w.once('show', function () {
assert.equal(w.isVisible(), true)
done()
})
w.show()
})
})
describe('BrowserWindow.hide()', function () {
if (isCI) {
return
}
it('should defocus on window', function () {
w.hide()
assert(!w.isFocused())
})
it('should make the window not visible', function () {
w.show()
w.hide()
assert(!w.isVisible())
})
it('emits when window is hidden', function (done) {
this.timeout(10000)
w.show()
w.once('hide', function () {
assert.equal(w.isVisible(), false)
done()
})
w.hide()
})
})
describe('BrowserWindow.showInactive()', function () {
it('should not focus on window', function () {
w.showInactive()
assert(!w.isFocused())
})
})
describe('BrowserWindow.focus()', function () {
it('does not make the window become visible', function () {
assert.equal(w.isVisible(), false)
w.focus()
assert.equal(w.isVisible(), false)
})
})
describe('BrowserWindow.blur()', function () {
it('removes focus from window', function () {
w.blur()
assert(!w.isFocused())
})
})
describe('BrowserWindow.capturePage(rect, callback)', function () {
it('calls the callback with a Buffer', function (done) {
w.capturePage({
x: 0,
y: 0,
width: 100,
height: 100
}, function (image) {
assert.equal(image.isEmpty(), true)
done()
})
})
})
describe('BrowserWindow.setSize(width, height)', function () {
it('sets the window size', function (done) {
var size = [300, 400]
w.once('resize', function () {
assertBoundsEqual(w.getSize(), size)
done()
})
w.setSize(size[0], size[1])
})
})
describe('BrowserWindow.setMinimum/MaximumSize(width, height)', function () {
it('sets the maximum and minimum size of the window', function () {
assert.deepEqual(w.getMinimumSize(), [0, 0])
assert.deepEqual(w.getMaximumSize(), [0, 0])
w.setMinimumSize(100, 100)
assertBoundsEqual(w.getMinimumSize(), [100, 100])
assertBoundsEqual(w.getMaximumSize(), [0, 0])
w.setMaximumSize(900, 600)
assertBoundsEqual(w.getMinimumSize(), [100, 100])
assertBoundsEqual(w.getMaximumSize(), [900, 600])
})
})
describe('BrowserWindow.setAspectRatio(ratio)', function () {
it('resets the behaviour when passing in 0', function (done) {
var size = [300, 400]
w.setAspectRatio(1 / 2)
w.setAspectRatio(0)
w.once('resize', function () {
assertBoundsEqual(w.getSize(), size)
done()
})
w.setSize(size[0], size[1])
})
})
describe('BrowserWindow.setPosition(x, y)', function () {
it('sets the window position', function (done) {
var pos = [10, 10]
w.once('move', function () {
var newPos = w.getPosition()
assert.equal(newPos[0], pos[0])
assert.equal(newPos[1], pos[1])
done()
})
w.setPosition(pos[0], pos[1])
})
})
describe('BrowserWindow.setContentSize(width, height)', function () {
it('sets the content size', function () {
var size = [400, 400]
w.setContentSize(size[0], size[1])
var after = w.getContentSize()
assert.equal(after[0], size[0])
assert.equal(after[1], size[1])
})
it('works for a frameless window', function () {
w.destroy()
w = new BrowserWindow({
show: false,
frame: false,
width: 400,
height: 400
})
var size = [400, 400]
w.setContentSize(size[0], size[1])
var after = w.getContentSize()
assert.equal(after[0], size[0])
assert.equal(after[1], size[1])
})
})
describe('BrowserWindow.setContentBounds(bounds)', function () {
it('sets the content size and position', function (done) {
var bounds = {x: 10, y: 10, width: 250, height: 250}
w.once('resize', function () {
assertBoundsEqual(w.getContentBounds(), bounds)
done()
})
w.setContentBounds(bounds)
})
it('works for a frameless window', function (done) {
w.destroy()
w = new BrowserWindow({
show: false,
frame: false,
width: 300,
height: 300
})
var bounds = {x: 10, y: 10, width: 250, height: 250}
w.once('resize', function () {
assert.deepEqual(w.getContentBounds(), bounds)
done()
})
w.setContentBounds(bounds)
})
})
describe('BrowserWindow.setProgressBar(progress)', function () {
it('sets the progress', function () {
assert.doesNotThrow(function () {
if (process.platform === 'darwin') {
app.dock.setIcon(path.join(fixtures, 'assets', 'logo.png'))
}
w.setProgressBar(0.5)
if (process.platform === 'darwin') {
app.dock.setIcon(null)
}
w.setProgressBar(-1)
})
})
it('sets the progress using "paused" mode', function () {
assert.doesNotThrow(function () {
w.setProgressBar(0.5, {mode: 'paused'})
})
})
it('sets the progress using "error" mode', function () {
assert.doesNotThrow(function () {
w.setProgressBar(0.5, {mode: 'error'})
})
})
it('sets the progress using "normal" mode', function () {
assert.doesNotThrow(function () {
w.setProgressBar(0.5, {mode: 'normal'})
})
})
})
describe('BrowserWindow.setAlwaysOnTop(flag, level)', function () {
it('sets the window as always on top', function () {
assert.equal(w.isAlwaysOnTop(), false)
w.setAlwaysOnTop(true, 'dock')
assert.equal(w.isAlwaysOnTop(), true)
w.setAlwaysOnTop(false)
assert.equal(w.isAlwaysOnTop(), false)
w.setAlwaysOnTop(true)
assert.equal(w.isAlwaysOnTop(), true)
})
})
describe('BrowserWindow.setVibrancy(type)', function () {
it('allows setting, changing, and removing the vibrancy', function () {
assert.doesNotThrow(function () {
w.setVibrancy('light')
w.setVibrancy('dark')
w.setVibrancy(null)
w.setVibrancy('ultra-dark')
w.setVibrancy('')
})
})
})
describe('BrowserWindow.setAppDetails(options)', function () {
it('supports setting the app details', function () {
if (process.platform !== 'win32') return this.skip()
const iconPath = path.join(fixtures, 'assets', 'icon.ico')
assert.doesNotThrow(function () {
w.setAppDetails({appId: 'my.app.id'})
w.setAppDetails({appIconPath: iconPath, appIconIndex: 0})
w.setAppDetails({appIconPath: iconPath})
w.setAppDetails({relaunchCommand: 'my-app.exe arg1 arg2', relaunchDisplayName: 'My app name'})
w.setAppDetails({relaunchCommand: 'my-app.exe arg1 arg2'})
w.setAppDetails({relaunchDisplayName: 'My app name'})
w.setAppDetails({
appId: 'my.app.id',
appIconPath: iconPath,
appIconIndex: 0,
relaunchCommand: 'my-app.exe arg1 arg2',
relaunchDisplayName: 'My app name'
})
w.setAppDetails({})
})
assert.throws(function () {
w.setAppDetails()
}, /Insufficient number of arguments\./)
})
})
describe('BrowserWindow.fromId(id)', function () {
it('returns the window with id', function () {
assert.equal(w.id, BrowserWindow.fromId(w.id).id)
})
})
describe('"useContentSize" option', function () {
it('make window created with content size when used', function () {
w.destroy()
w = new BrowserWindow({
show: false,
width: 400,
height: 400,
useContentSize: true
})
var contentSize = w.getContentSize()
assert.equal(contentSize[0], 400)
assert.equal(contentSize[1], 400)
})
it('make window created with window size when not used', function () {
var size = w.getSize()
assert.equal(size[0], 400)
assert.equal(size[1], 400)
})
it('works for a frameless window', function () {
w.destroy()
w = new BrowserWindow({
show: false,
frame: false,
width: 400,
height: 400,
useContentSize: true
})
var contentSize = w.getContentSize()
assert.equal(contentSize[0], 400)
assert.equal(contentSize[1], 400)
var size = w.getSize()
assert.equal(size[0], 400)
assert.equal(size[1], 400)
})
})
describe('"title-bar-style" option', function () {
if (process.platform !== 'darwin') {
return
}
if (parseInt(os.release().split('.')[0]) < 14) {
return
}
it('creates browser window with hidden title bar', function () {
w.destroy()
w = new BrowserWindow({
show: false,
width: 400,
height: 400,
titleBarStyle: 'hidden'
})
var contentSize = w.getContentSize()
assert.equal(contentSize[1], 400)
})
it('creates browser window with hidden inset title bar', function () {
w.destroy()
w = new BrowserWindow({
show: false,
width: 400,
height: 400,
titleBarStyle: 'hidden-inset'
})
var contentSize = w.getContentSize()
assert.equal(contentSize[1], 400)
})
})
describe('enableLargerThanScreen" option', function () {
if (process.platform === 'linux') {
return
}
beforeEach(function () {
w.destroy()
w = new BrowserWindow({
show: true,
width: 400,
height: 400,
enableLargerThanScreen: true
})
})
it('can move the window out of screen', function () {
w.setPosition(-10, -10)
var after = w.getPosition()
assert.equal(after[0], -10)
assert.equal(after[1], -10)
})
it('can set the window larger than screen', function () {
var size = screen.getPrimaryDisplay().size
size.width += 100
size.height += 100
w.setSize(size.width, size.height)
assertBoundsEqual(w.getSize(), [size.width, size.height])
})
})
describe('"zoomToPageWidth" option', function () {
it('sets the window width to the page width when used', function () {
if (process.platform !== 'darwin') return this.skip()
w.destroy()
w = new BrowserWindow({
show: false,
width: 500,
height: 400,
zoomToPageWidth: true
})
w.maximize()
assert.equal(w.getSize()[0], 500)
})
})
describe('"web-preferences" option', function () {
afterEach(function () {
ipcMain.removeAllListeners('answer')
})
describe('"preload" option', function () {
it('loads the script before other scripts in window', function (done) {
var preload = path.join(fixtures, 'module', 'set-global.js')
ipcMain.once('answer', function (event, test) {
assert.equal(test, 'preload')
done()
})
w.destroy()
w = new BrowserWindow({
show: false,
webPreferences: {
preload: preload
}
})
w.loadURL('file://' + path.join(fixtures, 'api', 'preload.html'))
})
it('can successfully delete the Buffer global', function (done) {
var preload = path.join(fixtures, 'module', 'delete-buffer.js')
ipcMain.once('answer', function (event, test) {
assert.equal(test.toString(), 'buffer')
done()
})
w.destroy()
w = new BrowserWindow({
show: false,
webPreferences: {
preload: preload
}
})
w.loadURL('file://' + path.join(fixtures, 'api', 'preload.html'))
})
})
describe('"node-integration" option', function () {
it('disables node integration when specified to false', function (done) {
var preload = path.join(fixtures, 'module', 'send-later.js')
ipcMain.once('answer', function (event, test) {
assert.equal(test, 'undefined')
done()
})
w.destroy()
w = new BrowserWindow({
show: false,
webPreferences: {
preload: preload,
nodeIntegration: false
}
})
w.loadURL('file://' + path.join(fixtures, 'api', 'blank.html'))
})
})
describe('"sandbox" option', function () {
function waitForEvents (emitter, events, callback) {
let count = events.length
for (let event of events) {
emitter.once(event, () => {
if (!--count) callback()
})
}
}
const preload = path.join(fixtures, 'module', 'preload-sandbox.js')
// http protocol to simulate accessing another domain. This is required
// because the code paths for cross domain popups is different.
function crossDomainHandler (request, callback) {
callback({
mimeType: 'text/html',
data: `<html><body><h1>${request.url}</h1></body></html>`
})
}
before(function (done) {
protocol.interceptStringProtocol('http', crossDomainHandler, function () {
done()
})
})
after(function (done) {
protocol.uninterceptProtocol('http', function () {
done()
})
})
it('exposes ipcRenderer to preload script', function (done) {
ipcMain.once('answer', function (event, test) {
assert.equal(test, 'preload')
done()
})
w.destroy()
w = new BrowserWindow({
show: false,
webPreferences: {
sandbox: true,
preload: preload
}
})
w.loadURL('file://' + path.join(fixtures, 'api', 'preload.html'))
})
it('exposes "exit" event to preload script', function (done) {
w.destroy()
w = new BrowserWindow({
show: false,
webPreferences: {
sandbox: true,
preload: preload
}
})
let htmlPath = path.join(fixtures, 'api', 'sandbox.html?exit-event')
const pageUrl = 'file://' + htmlPath
w.loadURL(pageUrl)
ipcMain.once('answer', function (event, url) {
let expectedUrl = pageUrl
if (process.platform === 'win32') {
expectedUrl = 'file:///' + htmlPath.replace(/\\/g, '/')
}
assert.equal(url, expectedUrl)
done()
})
})
it('should open windows in same domain with cross-scripting enabled', function (done) {
w.destroy()
w = new BrowserWindow({
show: false,
webPreferences: {
sandbox: true,
preload: preload
}
})
let htmlPath = path.join(fixtures, 'api', 'sandbox.html?window-open')
const pageUrl = 'file://' + htmlPath
w.loadURL(pageUrl)
w.webContents.once('new-window', (e, url, frameName, disposition, options) => {
let expectedUrl = pageUrl
if (process.platform === 'win32') {
expectedUrl = 'file:///' + htmlPath.replace(/\\/g, '/')
}
assert.equal(url, expectedUrl)
assert.equal(frameName, 'popup!')
assert.equal(options.x, 50)
assert.equal(options.y, 60)
assert.equal(options.width, 500)
assert.equal(options.height, 600)
ipcMain.once('answer', function (event, html) {
assert.equal(html, '<h1>scripting from opener</h1>')
done()
})
})
})
it('should open windows in another domain with cross-scripting disabled', function (done) {
w.destroy()
w = new BrowserWindow({
show: false,
webPreferences: {
sandbox: true,
preload: preload
}
})
let htmlPath = path.join(fixtures, 'api', 'sandbox.html?window-open-external')
const pageUrl = 'file://' + htmlPath
let popupWindow
w.loadURL(pageUrl)
w.webContents.once('new-window', (e, url, frameName, disposition, options) => {
assert.equal(url, 'http://www.google.com/#q=electron')
assert.equal(options.x, 55)
assert.equal(options.y, 65)
assert.equal(options.width, 505)
assert.equal(options.height, 605)
ipcMain.once('child-loaded', function (event, openerIsNull, html) {
assert(openerIsNull)
assert.equal(html, '<h1>http://www.google.com/#q=electron</h1>')
ipcMain.once('answer', function (event, exceptionMessage) {
assert(/Blocked a frame with origin/.test(exceptionMessage))
// FIXME this popup window should be closed in sandbox.html
closeWindow(popupWindow).then(() => {
popupWindow = null
done()
})
})
w.webContents.send('child-loaded')
})
})
app.once('browser-window-created', function (event, window) {
popupWindow = window
})
})
it('should set ipc event sender correctly', function (done) {
w.destroy()
w = new BrowserWindow({
show: false,
webPreferences: {
sandbox: true,
preload: preload
}
})
let htmlPath = path.join(fixtures, 'api', 'sandbox.html?verify-ipc-sender')
const pageUrl = 'file://' + htmlPath
w.loadURL(pageUrl)
w.webContents.once('new-window', (e, url, frameName, disposition, options) => {
let parentWc = w.webContents
let childWc = options.webContents
assert.notEqual(parentWc, childWc)
ipcMain.once('parent-ready', function (event) {
assert.equal(parentWc, event.sender)
parentWc.send('verified')
})
ipcMain.once('child-ready', function (event) {
assert.equal(childWc, event.sender)
childWc.send('verified')
})
waitForEvents(ipcMain, [
'parent-answer',
'child-answer'
], done)
})
})
describe('event handling', function () {
it('works for window events', function (done) {
waitForEvents(w, [
'page-title-updated'
], done)
w.loadURL('file://' + path.join(fixtures, 'api', 'sandbox.html?window-events'))
})
it('works for web contents events', function (done) {
waitForEvents(w.webContents, [
'did-navigate',
'did-fail-load',
'did-stop-loading'
], done)
w.loadURL('file://' + path.join(fixtures, 'api', 'sandbox.html?webcontents-stop'))
waitForEvents(w.webContents, [
'did-finish-load',
'did-frame-finish-load',
'did-navigate-in-page',
'will-navigate',
'did-start-loading',
'did-stop-loading',
'did-frame-finish-load',
'dom-ready'
], done)
w.loadURL('file://' + path.join(fixtures, 'api', 'sandbox.html?webcontents-events'))
})
})
})
})
describe('beforeunload handler', function () {
it('returning undefined would not prevent close', function (done) {
w.once('closed', function () {
done()
})
w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-undefined.html'))
})
it('returning false would prevent close', function (done) {
w.once('onbeforeunload', function () {
done()
})
w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-false.html'))
})
it('returning empty string would prevent close', function (done) {
w.once('onbeforeunload', function () {
done()
})
w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-empty-string.html'))
})
})
describe('new-window event', function () {
if (isCI && process.platform === 'darwin') {
return
}
it('emits when window.open is called', function (done) {
w.webContents.once('new-window', function (e, url, frameName, disposition, options, additionalFeatures) {
e.preventDefault()
assert.equal(url, 'http://host/')
assert.equal(frameName, 'host')
assert.equal(additionalFeatures[0], 'this-is-not-a-standard-feature')
done()
})
w.loadURL('file://' + fixtures + '/pages/window-open.html')
})
it('emits when window.open is called with no webPreferences', function (done) {
w.destroy()
w = new BrowserWindow({ show: false })
w.webContents.once('new-window', function (e, url, frameName, disposition, options, additionalFeatures) {
e.preventDefault()
assert.equal(url, 'http://host/')
assert.equal(frameName, 'host')
assert.equal(additionalFeatures[0], 'this-is-not-a-standard-feature')
done()
})
w.loadURL('file://' + fixtures + '/pages/window-open.html')
})
it('emits when link with target is called', function (done) {
this.timeout(10000)
w.webContents.once('new-window', function (e, url, frameName) {
e.preventDefault()
assert.equal(url, 'http://host/')
assert.equal(frameName, 'target')
done()
})
w.loadURL('file://' + fixtures + '/pages/target-name.html')
})
})
describe('maximize event', function () {
if (isCI) {
return
}
it('emits when window is maximized', function (done) {
this.timeout(10000)
w.once('maximize', function () {
done()
})
w.show()
w.maximize()
})
})
describe('unmaximize event', function () {
if (isCI) {
return
}
it('emits when window is unmaximized', function (done) {
this.timeout(10000)
w.once('unmaximize', function () {
done()
})
w.show()
w.maximize()
w.unmaximize()
})
})
describe('minimize event', function () {
if (isCI) {
return
}
it('emits when window is minimized', function (done) {
this.timeout(10000)
w.once('minimize', function () {
done()
})
w.show()
w.minimize()
})
})
describe('beginFrameSubscription method', function () {
// This test is too slow, only test it on CI.
if (!isCI) return
this.timeout(20000)
it('subscribes to frame updates', function (done) {
let called = false
w.loadURL('file://' + fixtures + '/api/frame-subscriber.html')
w.webContents.on('dom-ready', function () {
w.webContents.beginFrameSubscription(function (data) {
// This callback might be called twice.
if (called) return
called = true
assert.notEqual(data.length, 0)
w.webContents.endFrameSubscription()
done()
})
})
})
it('subscribes to frame updates (only dirty rectangle)', function (done) {
let called = false
w.loadURL('file://' + fixtures + '/api/frame-subscriber.html')
w.webContents.on('dom-ready', function () {
w.webContents.beginFrameSubscription(true, function (data) {
// This callback might be called twice.
if (called) return
called = true
assert.notEqual(data.length, 0)
w.webContents.endFrameSubscription()
done()
})
})
})
it('throws error when subscriber is not well defined', function (done) {
w.loadURL('file://' + fixtures + '/api/frame-subscriber.html')
try {
w.webContents.beginFrameSubscription(true, true)
} catch (e) {
done()
}
})
})
describe('savePage method', function () {
const savePageDir = path.join(fixtures, 'save_page')
const savePageHtmlPath = path.join(savePageDir, 'save_page.html')
const savePageJsPath = path.join(savePageDir, 'save_page_files', 'test.js')
const savePageCssPath = path.join(savePageDir, 'save_page_files', 'test.css')
after(function () {
try {
fs.unlinkSync(savePageCssPath)
fs.unlinkSync(savePageJsPath)
fs.unlinkSync(savePageHtmlPath)
fs.rmdirSync(path.join(savePageDir, 'save_page_files'))
fs.rmdirSync(savePageDir)
} catch (e) {
// Ignore error
}
})
it('should save page to disk', function (done) {
w.webContents.on('did-finish-load', function () {
w.webContents.savePage(savePageHtmlPath, 'HTMLComplete', function (error) {
assert.equal(error, null)
assert(fs.existsSync(savePageHtmlPath))
assert(fs.existsSync(savePageJsPath))
assert(fs.existsSync(savePageCssPath))
done()
})
})
w.loadURL('file://' + fixtures + '/pages/save_page/index.html')
})
})
describe('BrowserWindow options argument is optional', function () {
it('should create a window with default size (800x600)', function () {
w.destroy()
w = new BrowserWindow()
var size = w.getSize()
assert.equal(size[0], 800)
assert.equal(size[1], 600)
})
})
describe('window states', function () {
it('does not resize frameless windows when states change', function () {
w.destroy()
w = new BrowserWindow({
frame: false,
width: 300,
height: 200,
show: false
})
w.setMinimizable(false)
w.setMinimizable(true)
assert.deepEqual(w.getSize(), [300, 200])
w.setResizable(false)
w.setResizable(true)
assert.deepEqual(w.getSize(), [300, 200])
w.setMaximizable(false)
w.setMaximizable(true)
assert.deepEqual(w.getSize(), [300, 200])
w.setFullScreenable(false)
w.setFullScreenable(true)
assert.deepEqual(w.getSize(), [300, 200])
w.setClosable(false)
w.setClosable(true)
assert.deepEqual(w.getSize(), [300, 200])
})
describe('resizable state', function () {
it('can be changed with resizable option', function () {
w.destroy()
w = new BrowserWindow({show: false, resizable: false})
assert.equal(w.isResizable(), false)
if (process.platform === 'darwin') {
assert.equal(w.isMaximizable(), true)
}
})
it('can be changed with setResizable method', function () {
assert.equal(w.isResizable(), true)
w.setResizable(false)
assert.equal(w.isResizable(), false)
w.setResizable(true)
assert.equal(w.isResizable(), true)
})
})
describe('loading main frame state', function () {
it('is true when the main frame is loading', function (done) {
w.webContents.on('did-start-loading', function () {
assert.equal(w.webContents.isLoadingMainFrame(), true)
done()
})
w.webContents.loadURL(server.url)
})
it('is false when only a subframe is loading', function (done) {
w.webContents.once('did-finish-load', function () {
assert.equal(w.webContents.isLoadingMainFrame(), false)
w.webContents.on('did-start-loading', function () {
assert.equal(w.webContents.isLoadingMainFrame(), false)
done()
})
w.webContents.executeJavaScript(`
var iframe = document.createElement('iframe')
iframe.src = '${server.url}/page2'
document.body.appendChild(iframe)
`)
})
w.webContents.loadURL(server.url)
})
it('is true when navigating to pages from the same origin', function (done) {
w.webContents.once('did-finish-load', function () {
assert.equal(w.webContents.isLoadingMainFrame(), false)
w.webContents.on('did-start-loading', function () {
assert.equal(w.webContents.isLoadingMainFrame(), true)
done()
})
w.webContents.loadURL(`${server.url}/page2`)
})
w.webContents.loadURL(server.url)
})
})
})
describe('window states (excluding Linux)', function () {
// Not implemented on Linux.
if (process.platform === 'linux') return
describe('movable state', function () {
it('can be changed with movable option', function () {
w.destroy()
w = new BrowserWindow({show: false, movable: false})
assert.equal(w.isMovable(), false)
})
it('can be changed with setMovable method', function () {
assert.equal(w.isMovable(), true)
w.setMovable(false)
assert.equal(w.isMovable(), false)
w.setMovable(true)
assert.equal(w.isMovable(), true)
})
})
describe('minimizable state', function () {
it('can be changed with minimizable option', function () {
w.destroy()
w = new BrowserWindow({show: false, minimizable: false})
assert.equal(w.isMinimizable(), false)
})
it('can be changed with setMinimizable method', function () {
assert.equal(w.isMinimizable(), true)
w.setMinimizable(false)
assert.equal(w.isMinimizable(), false)
w.setMinimizable(true)
assert.equal(w.isMinimizable(), true)
})
})
describe('maximizable state', function () {
it('can be changed with maximizable option', function () {
w.destroy()
w = new BrowserWindow({show: false, maximizable: false})
assert.equal(w.isMaximizable(), false)
})
it('can be changed with setMaximizable method', function () {
assert.equal(w.isMaximizable(), true)
w.setMaximizable(false)
assert.equal(w.isMaximizable(), false)
w.setMaximizable(true)
assert.equal(w.isMaximizable(), true)
})
it('is not affected when changing other states', function () {
w.setMaximizable(false)
assert.equal(w.isMaximizable(), false)
w.setMinimizable(false)
assert.equal(w.isMaximizable(), false)
w.setClosable(false)
assert.equal(w.isMaximizable(), false)
w.setMaximizable(true)
assert.equal(w.isMaximizable(), true)
w.setClosable(true)
assert.equal(w.isMaximizable(), true)
w.setFullScreenable(false)
assert.equal(w.isMaximizable(), true)
w.setResizable(false)
assert.equal(w.isMaximizable(), true)
})
})
describe('fullscreenable state', function () {
// Only implemented on macOS.
if (process.platform !== 'darwin') return
it('can be changed with fullscreenable option', function () {
w.destroy()
w = new BrowserWindow({show: false, fullscreenable: false})
assert.equal(w.isFullScreenable(), false)
})
it('can be changed with setFullScreenable method', function () {
assert.equal(w.isFullScreenable(), true)
w.setFullScreenable(false)
assert.equal(w.isFullScreenable(), false)
w.setFullScreenable(true)
assert.equal(w.isFullScreenable(), true)
})
})
describe('closable state', function () {
it('can be changed with closable option', function () {
w.destroy()
w = new BrowserWindow({show: false, closable: false})
assert.equal(w.isClosable(), false)
})
it('can be changed with setClosable method', function () {
assert.equal(w.isClosable(), true)
w.setClosable(false)
assert.equal(w.isClosable(), false)
w.setClosable(true)
assert.equal(w.isClosable(), true)
})
})
describe('hasShadow state', function () {
// On Window there is no shadow by default and it can not be changed
// dynamically.
it('can be changed with hasShadow option', function () {
w.destroy()
let hasShadow = process.platform !== 'darwin'
w = new BrowserWindow({show: false, hasShadow: hasShadow})
assert.equal(w.hasShadow(), hasShadow)
})
it('can be changed with setHasShadow method', function () {
if (process.platform !== 'darwin') return
assert.equal(w.hasShadow(), true)
w.setHasShadow(false)
assert.equal(w.hasShadow(), false)
w.setHasShadow(true)
assert.equal(w.hasShadow(), true)
})
})
})
describe('BrowserWindow.restore()', function () {
it('should restore the previous window size', function () {
if (w != null) w.destroy()
w = new BrowserWindow({
minWidth: 800,
width: 800
})
const initialSize = w.getSize()
w.minimize()
w.restore()
assertBoundsEqual(w.getSize(), initialSize)
})
})
describe('BrowserWindow.unmaximize()', function () {
it('should restore the previous window position', function () {
if (w != null) w.destroy()
w = new BrowserWindow()
const initialPosition = w.getPosition()
w.maximize()
w.unmaximize()
assertBoundsEqual(w.getPosition(), initialPosition)
})
})
describe('parent window', function () {
let c = null
beforeEach(function () {
if (c != null) c.destroy()
c = new BrowserWindow({show: false, parent: w})
})
afterEach(function () {
if (c != null) c.destroy()
c = null
})
describe('parent option', function () {
it('sets parent window', function () {
assert.equal(c.getParentWindow(), w)
})
it('adds window to child windows of parent', function () {
assert.deepEqual(w.getChildWindows(), [c])
})
it('removes from child windows of parent when window is closed', function (done) {
c.once('closed', () => {
assert.deepEqual(w.getChildWindows(), [])
done()
})
c.close()
})
})
describe('win.setParentWindow(parent)', function () {
if (process.platform === 'win32') return
beforeEach(function () {
if (c != null) c.destroy()
c = new BrowserWindow({show: false})
})
it('sets parent window', function () {
assert.equal(w.getParentWindow(), null)
assert.equal(c.getParentWindow(), null)
c.setParentWindow(w)
assert.equal(c.getParentWindow(), w)
c.setParentWindow(null)
assert.equal(c.getParentWindow(), null)
})
it('adds window to child windows of parent', function () {
assert.deepEqual(w.getChildWindows(), [])
c.setParentWindow(w)
assert.deepEqual(w.getChildWindows(), [c])
c.setParentWindow(null)
assert.deepEqual(w.getChildWindows(), [])
})
it('removes from child windows of parent when window is closed', function (done) {
c.once('closed', () => {
assert.deepEqual(w.getChildWindows(), [])
done()
})
c.setParentWindow(w)
c.close()
})
})
describe('modal option', function () {
// The isEnabled API is not reliable on macOS.
if (process.platform === 'darwin') return
beforeEach(function () {
if (c != null) c.destroy()
c = new BrowserWindow({show: false, parent: w, modal: true})
})
it('disables parent window', function () {
assert.equal(w.isEnabled(), true)
c.show()
assert.equal(w.isEnabled(), false)
})
it('enables parent window when closed', function (done) {
c.once('closed', () => {
assert.equal(w.isEnabled(), true)
done()
})
c.show()
c.close()
})
it('disables parent window recursively', function () {
let c2 = new BrowserWindow({show: false, parent: w, modal: true})
c.show()
assert.equal(w.isEnabled(), false)
c2.show()
assert.equal(w.isEnabled(), false)
c.destroy()
assert.equal(w.isEnabled(), false)
c2.destroy()
assert.equal(w.isEnabled(), true)
})
})
})
describe('window.webContents.send(channel, args...)', function () {
it('throws an error when the channel is missing', function () {
assert.throws(function () {
w.webContents.send()
}, 'Missing required channel argument')
assert.throws(function () {
w.webContents.send(null)
}, 'Missing required channel argument')
})
})
describe('dev tool extensions', function () {
describe('BrowserWindow.addDevToolsExtension', function () {
let showPanelIntevalId
this.timeout(10000)
beforeEach(function () {
BrowserWindow.removeDevToolsExtension('foo')
assert.equal(BrowserWindow.getDevToolsExtensions().hasOwnProperty('foo'), false)
var extensionPath = path.join(__dirname, 'fixtures', 'devtools-extensions', 'foo')
BrowserWindow.addDevToolsExtension(extensionPath)
assert.equal(BrowserWindow.getDevToolsExtensions().hasOwnProperty('foo'), true)
w.webContents.on('devtools-opened', function () {
showPanelIntevalId = setInterval(function () {
if (w && w.devToolsWebContents) {
var showLastPanel = function () {
var lastPanelId = WebInspector.inspectorView._tabbedPane._tabs.peekLast().id
WebInspector.inspectorView.showPanel(lastPanelId)
}
w.devToolsWebContents.executeJavaScript(`(${showLastPanel})()`)
} else {
clearInterval(showPanelIntevalId)
}
}, 100)
})
w.loadURL('about:blank')
})
afterEach(function () {
clearInterval(showPanelIntevalId)
})
it('throws errors for missing manifest.json files', function () {
assert.throws(function () {
BrowserWindow.addDevToolsExtension(path.join(__dirname, 'does-not-exist'))
}, /ENOENT: no such file or directory/)
})
it('throws errors for invalid manifest.json files', function () {
assert.throws(function () {
BrowserWindow.addDevToolsExtension(path.join(__dirname, 'fixtures', 'devtools-extensions', 'bad-manifest'))
}, /Unexpected token }/)
})
describe('when the devtools is docked', function () {
it('creates the extension', function (done) {
w.webContents.openDevTools({mode: 'bottom'})
ipcMain.once('answer', function (event, message) {
assert.equal(message.runtimeId, 'foo')
assert.equal(message.tabId, w.webContents.id)
assert.equal(message.i18nString, 'foo - bar (baz)')
assert.deepEqual(message.storageItems, {
local: {
set: {hello: 'world', world: 'hello'},
remove: {world: 'hello'},
clear: {}
},
sync: {
set: {foo: 'bar', bar: 'foo'},
remove: {foo: 'bar'},
clear: {}
}
})
done()
})
})
})
describe('when the devtools is undocked', function () {
it('creates the extension', function (done) {
w.webContents.openDevTools({mode: 'undocked'})
ipcMain.once('answer', function (event, message, extensionId) {
assert.equal(message.runtimeId, 'foo')
assert.equal(message.tabId, w.webContents.id)
done()
})
})
})
})
it('works when used with partitions', function (done) {
this.timeout(10000)
if (w != null) {
w.destroy()
}
w = new BrowserWindow({
show: false,
webPreferences: {
partition: 'temp'
}
})
var extensionPath = path.join(__dirname, 'fixtures', 'devtools-extensions', 'foo')
BrowserWindow.removeDevToolsExtension('foo')
BrowserWindow.addDevToolsExtension(extensionPath)
w.webContents.on('devtools-opened', function () {
var showPanelIntevalId = setInterval(function () {
if (w && w.devToolsWebContents) {
var showLastPanel = function () {
var lastPanelId = WebInspector.inspectorView._tabbedPane._tabs.peekLast().id
WebInspector.inspectorView.showPanel(lastPanelId)
}
w.devToolsWebContents.executeJavaScript(`(${showLastPanel})()`)
} else {
clearInterval(showPanelIntevalId)
}
}, 100)
})
w.loadURL('about:blank')
w.webContents.openDevTools({mode: 'bottom'})
ipcMain.once('answer', function (event, message) {
assert.equal(message.runtimeId, 'foo')
done()
})
})
it('serializes the registered extensions on quit', function () {
var extensionName = 'foo'
var extensionPath = path.join(__dirname, 'fixtures', 'devtools-extensions', extensionName)
var serializedPath = path.join(app.getPath('userData'), 'DevTools Extensions')
BrowserWindow.addDevToolsExtension(extensionPath)
app.emit('will-quit')
assert.deepEqual(JSON.parse(fs.readFileSync(serializedPath)), [extensionPath])
BrowserWindow.removeDevToolsExtension(extensionName)
app.emit('will-quit')
assert.equal(fs.existsSync(serializedPath), false)
})
})
describe('window.webContents.executeJavaScript', function () {
var expected = 'hello, world!'
var expectedErrorMsg = 'woops!'
var code = `(() => "${expected}")()`
var asyncCode = `(() => new Promise(r => setTimeout(() => r("${expected}"), 500)))()`
var badAsyncCode = `(() => new Promise((r, e) => setTimeout(() => e("${expectedErrorMsg}"), 500)))()`
it('doesnt throw when no calback is provided', function () {
const result = ipcRenderer.sendSync('executeJavaScript', code, false)
assert.equal(result, 'success')
})
it('returns result when calback is provided', function (done) {
ipcRenderer.send('executeJavaScript', code, true)
ipcRenderer.once('executeJavaScript-response', function (event, result) {
assert.equal(result, expected)
done()
})
})
it('returns result if the code returns an asyncronous promise', function (done) {
ipcRenderer.send('executeJavaScript', asyncCode, true)
ipcRenderer.once('executeJavaScript-response', function (event, result) {
assert.equal(result, expected)
done()
})
})
it('resolves the returned promise with the result', function (done) {
ipcRenderer.send('executeJavaScript', code, true)
ipcRenderer.once('executeJavaScript-promise-response', function (event, result) {
assert.equal(result, expected)
done()
})
})
it('resolves the returned promise with the result if the code returns an asyncronous promise', function (done) {
ipcRenderer.send('executeJavaScript', asyncCode, true)
ipcRenderer.once('executeJavaScript-promise-response', function (event, result) {
assert.equal(result, expected)
done()
})
})
it('rejects the returned promise if an async error is thrown', function (done) {
ipcRenderer.send('executeJavaScript', badAsyncCode, true)
ipcRenderer.once('executeJavaScript-promise-error', function (event, error) {
assert.equal(error, expectedErrorMsg)
done()
})
})
it('works after page load and during subframe load', function (done) {
w.webContents.once('did-finish-load', function () {
// initiate a sub-frame load, then try and execute script during it
w.webContents.executeJavaScript(`
var iframe = document.createElement('iframe')
iframe.src = '${server.url}/slow'
document.body.appendChild(iframe)
`, function () {
w.webContents.executeJavaScript('console.log(\'hello\')', function () {
done()
})
})
})
w.loadURL(server.url)
})
it('executes after page load', function (done) {
w.webContents.executeJavaScript(code, function (result) {
assert.equal(result, expected)
done()
})
w.loadURL(server.url)
})
it('works with result objects that have DOM class prototypes', function (done) {
w.webContents.executeJavaScript('document.location', function (result) {
assert.equal(result.origin, server.url)
assert.equal(result.protocol, 'http:')
done()
})
w.loadURL(server.url)
})
})
describe('previewFile', function () {
it('opens the path in Quick Look on macOS', function () {
if (process.platform !== 'darwin') return this.skip()
assert.doesNotThrow(function () {
w.previewFile(__filename)
w.closeFilePreview()
})
})
})
describe('offscreen rendering', function () {
this.timeout(10000)
beforeEach(function () {
if (w != null) w.destroy()
w = new BrowserWindow({
show: false,
webPreferences: {
backgroundThrottling: false,
offscreen: true
}
})
})
it('creates offscreen window', function (done) {
w.webContents.once('paint', function (event, rect, data, size) {
assert.notEqual(data.length, 0)
done()
})
w.loadURL('file://' + fixtures + '/api/offscreen-rendering.html')
})
describe('window.webContents.isOffscreen()', function () {
it('is true for offscreen type', function () {
w.loadURL('file://' + fixtures + '/api/offscreen-rendering.html')
assert.equal(w.webContents.isOffscreen(), true)
})
it('is false for regular window', function () {
let c = new BrowserWindow({show: false})
assert.equal(c.webContents.isOffscreen(), false)
c.destroy()
})
})
describe('window.webContents.isPainting()', function () {
it('returns whether is currently painting', function (done) {
w.webContents.once('paint', function (event, rect, data, size) {
assert.equal(w.webContents.isPainting(), true)
done()
})
w.loadURL('file://' + fixtures + '/api/offscreen-rendering.html')
})
})
describe('window.webContents.stopPainting()', function () {
it('stops painting', function (done) {
w.webContents.on('dom-ready', function () {
w.webContents.stopPainting()
assert.equal(w.webContents.isPainting(), false)
done()
})
w.loadURL('file://' + fixtures + '/api/offscreen-rendering.html')
})
})
describe('window.webContents.startPainting()', function () {
it('starts painting', function (done) {
w.webContents.on('dom-ready', function () {
w.webContents.stopPainting()
w.webContents.startPainting()
w.webContents.once('paint', function (event, rect, data, size) {
assert.equal(w.webContents.isPainting(), true)
done()
})
})
w.loadURL('file://' + fixtures + '/api/offscreen-rendering.html')
})
})
describe('window.webContents.getFrameRate()', function () {
it('has default frame rate', function (done) {
w.webContents.once('paint', function (event, rect, data, size) {
assert.equal(w.webContents.getFrameRate(), 60)
done()
})
w.loadURL('file://' + fixtures + '/api/offscreen-rendering.html')
})
})
describe('window.webContents.setFrameRate(frameRate)', function () {
it('sets custom frame rate', function (done) {
w.webContents.on('dom-ready', function () {
w.webContents.setFrameRate(30)
w.webContents.once('paint', function (event, rect, data, size) {
assert.equal(w.webContents.getFrameRate(), 30)
done()
})
})
w.loadURL('file://' + fixtures + '/api/offscreen-rendering.html')
})
})
})
})
const assertBoundsEqual = (actual, expect) => {
if (!isScaleFactorRounding()) {
assert.deepEqual(expect, actual)
} else if (Array.isArray(actual)) {
assertWithinDelta(actual[0], expect[0], 1, 'x')
assertWithinDelta(actual[1], expect[1], 1, 'y')
} else {
assertWithinDelta(actual.x, expect.x, 1, 'x')
assertWithinDelta(actual.y, expect.y, 1, 'y')
assertWithinDelta(actual.width, expect.width, 1, 'width')
assertWithinDelta(actual.height, expect.height, 1, 'height')
}
}
const assertWithinDelta = (actual, expect, delta, label) => {
const result = Math.abs(actual - expect)
assert.ok(result <= delta, `${label} value of ${expect} was not within ${delta} of ${actual}`)
}
// Is the display's scale factor possibly causing rounding of pixel coordinate
// values?
const isScaleFactorRounding = () => {
const {scaleFactor} = screen.getPrimaryDisplay()
// Return true if scale factor is non-integer value
if (Math.round(scaleFactor) !== scaleFactor) return true
// Return true if scale factor is odd number above 2
return scaleFactor > 2 && scaleFactor % 2 === 1
}