electron/spec/webview-spec.js

1194 lines
38 KiB
JavaScript

const chai = require('chai')
const dirtyChai = require('dirty-chai')
const path = require('path')
const http = require('http')
const url = require('url')
const { ipcRenderer } = require('electron')
const { closeWindow } = require('./window-helpers')
const { emittedOnce, waitForEvent } = require('./events-helpers')
const { expect } = chai
chai.use(dirtyChai)
const features = process.electronBinding('features')
const nativeModulesEnabled = process.env.ELECTRON_SKIP_NATIVE_MODULE_TESTS
/* Most of the APIs here don't use standard callbacks */
/* eslint-disable standard/no-callback-literal */
describe('<webview> tag', function () {
this.timeout(3 * 60 * 1000)
const fixtures = path.join(__dirname, 'fixtures')
let webview = null
const loadWebView = async (webview, attributes = {}) => {
for (const [name, value] of Object.entries(attributes)) {
webview.setAttribute(name, value)
}
document.body.appendChild(webview)
await waitForEvent(webview, 'did-finish-load')
return webview
}
const startLoadingWebViewAndWaitForMessage = async (webview, attributes = {}) => {
loadWebView(webview, attributes) // Don't wait for load to be finished.
const event = await waitForEvent(webview, 'console-message')
return event.message
}
beforeEach(() => {
webview = new WebView()
})
afterEach(() => {
if (!document.body.contains(webview)) {
document.body.appendChild(webview)
}
webview.remove()
})
describe('src attribute', () => {
it('specifies the page to load', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
src: `file://${fixtures}/pages/a.html`
})
expect(message).to.equal('a')
})
it('navigates to new page when changed', async () => {
await loadWebView(webview, {
src: `file://${fixtures}/pages/a.html`
})
webview.src = `file://${fixtures}/pages/b.html`
const { message } = await waitForEvent(webview, 'console-message')
expect(message).to.equal('b')
})
it('resolves relative URLs', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
src: '../fixtures/pages/e.html'
})
expect(message).to.equal('Window script is loaded before preload script')
})
it('ignores empty values', () => {
expect(webview.src).to.equal('')
for (const emptyValue of ['', null, undefined]) {
webview.src = emptyValue
expect(webview.src).to.equal('')
}
})
it('does not wait until loadURL is resolved', async () => {
await loadWebView(webview, { src: 'about:blank' })
const before = Date.now()
webview.src = 'https://github.com'
const now = Date.now()
// Setting src is essentially sending a sync IPC message, which should
// not exceed more than a few ms.
//
// This is for testing #18638.
expect(now - before).to.be.below(100)
})
})
describe('nodeintegration attribute', () => {
it('inserts no node symbols when not set', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
src: `file://${fixtures}/pages/c.html`
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'undefined',
module: 'undefined',
process: 'undefined',
global: 'undefined'
})
})
it('inserts node symbols when set', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
nodeintegration: 'on',
src: `file://${fixtures}/pages/d.html`
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'function',
module: 'object',
process: 'object'
})
})
it('loads node symbols after POST navigation when set', async function () {
// FIXME Figure out why this is timing out on AppVeyor
if (process.env.APPVEYOR === 'True') {
this.skip()
return
}
const message = await startLoadingWebViewAndWaitForMessage(webview, {
nodeintegration: 'on',
src: `file://${fixtures}/pages/post.html`
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'function',
module: 'object',
process: 'object'
})
})
it('disables node integration on child windows when it is disabled on the webview', async () => {
const src = url.format({
pathname: `${fixtures}/pages/webview-opener-no-node-integration.html`,
protocol: 'file',
query: {
p: `${fixtures}/pages/window-opener-node.html`
},
slashes: true
})
loadWebView(webview, {
allowpopups: 'on',
src
})
const { message } = await waitForEvent(webview, 'console-message')
expect(JSON.parse(message).isProcessGlobalUndefined).to.be.true()
});
(nativeModulesEnabled ? it : it.skip)('loads native modules when navigation happens', async function () {
await loadWebView(webview, {
nodeintegration: 'on',
src: `file://${fixtures}/pages/native-module.html`
})
webview.reload()
const { message } = await waitForEvent(webview, 'console-message')
expect(message).to.equal('function')
})
})
describe('enableremotemodule attribute', () => {
const generateSpecs = (description, sandbox) => {
describe(description, () => {
const preload = `${fixtures}/module/preload-disable-remote.js`
const src = `file://${fixtures}/api/blank.html`
it('enables the remote module by default', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
preload,
src,
sandbox
})
const typeOfRemote = JSON.parse(message)
expect(typeOfRemote).to.equal('object')
})
it('disables the remote module when false', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
preload,
src,
sandbox,
enableremotemodule: false
})
const typeOfRemote = JSON.parse(message)
expect(typeOfRemote).to.equal('undefined')
})
})
}
generateSpecs('without sandbox', false)
generateSpecs('with sandbox', true)
})
describe('preload attribute', () => {
it('loads the script before other scripts in window', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
preload: `${fixtures}/module/preload.js`,
src: `file://${fixtures}/pages/e.html`
})
expect(message).to.be.a('string')
expect(message).to.be.not.equal('Window script is loaded before preload script')
})
it('preload script can still use "process" and "Buffer" when nodeintegration is off', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
preload: `${fixtures}/module/preload-node-off.js`,
src: `file://${fixtures}/api/blank.html`
})
const types = JSON.parse(message)
expect(types).to.include({
process: 'object',
Buffer: 'function'
})
})
it('runs in the correct scope when sandboxed', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
preload: `${fixtures}/module/preload-context.js`,
src: `file://${fixtures}/api/blank.html`,
webpreferences: 'sandbox=yes'
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'function', // arguments passed to it should be availale
electron: 'undefined', // objects from the scope it is called from should not be available
window: 'object', // the window object should be available
localVar: 'undefined' // but local variables should not be exposed to the window
})
})
it('preload script can require modules that still use "process" and "Buffer" when nodeintegration is off', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
preload: `${fixtures}/module/preload-node-off-wrapper.js`,
src: `file://${fixtures}/api/blank.html`
})
const types = JSON.parse(message)
expect(types).to.include({
process: 'object',
Buffer: 'function'
})
})
it('receives ipc message in preload script', async () => {
await loadWebView(webview, {
preload: `${fixtures}/module/preload-ipc.js`,
src: `file://${fixtures}/pages/e.html`
})
const message = 'boom!'
webview.send('ping', message)
const { channel, args } = await waitForEvent(webview, 'ipc-message')
expect(channel).to.equal('pong')
expect(args).to.deep.equal([message])
})
it('works without script tag in page', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
preload: `${fixtures}/module/preload.js`,
src: `file://${fixtures}pages/base-page.html`
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'function',
module: 'object',
process: 'object',
Buffer: 'function'
})
})
it('resolves relative URLs', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
preload: '../fixtures/module/preload.js',
src: `file://${fixtures}/pages/e.html`
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'function',
module: 'object',
process: 'object',
Buffer: 'function'
})
})
it('ignores empty values', () => {
expect(webview.preload).to.equal('')
for (const emptyValue of ['', null, undefined]) {
webview.preload = emptyValue
expect(webview.preload).to.equal('')
}
})
})
describe('httpreferrer attribute', () => {
it('sets the referrer url', (done) => {
const referrer = 'http://github.com/'
const server = http.createServer((req, res) => {
res.end()
server.close()
expect(req.headers.referer).to.equal(referrer)
done()
}).listen(0, '127.0.0.1', () => {
const port = server.address().port
loadWebView(webview, {
httpreferrer: referrer,
src: `http://127.0.0.1:${port}`
})
})
})
})
describe('useragent attribute', () => {
it('sets the user agent', async () => {
const referrer = 'Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; AS; rv:11.0) like Gecko'
const message = await startLoadingWebViewAndWaitForMessage(webview, {
src: `file://${fixtures}/pages/useragent.html`,
useragent: referrer
})
expect(message).to.equal(referrer)
})
})
describe('disablewebsecurity attribute', () => {
it('does not disable web security when not set', async () => {
const jqueryPath = path.join(__dirname, '/static/jquery-2.0.3.min.js')
const src = `<script src='file://${jqueryPath}'></script> <script>console.log('ok');</script>`
const encoded = btoa(unescape(encodeURIComponent(src)))
const message = await startLoadingWebViewAndWaitForMessage(webview, {
src: `data:text/html;base64,${encoded}`
})
expect(message).to.be.a('string')
expect(message).to.contain('Not allowed to load local resource')
})
it('disables web security when set', async () => {
const jqueryPath = path.join(__dirname, '/static/jquery-2.0.3.min.js')
const src = `<script src='file://${jqueryPath}'></script> <script>console.log('ok');</script>`
const encoded = btoa(unescape(encodeURIComponent(src)))
const message = await startLoadingWebViewAndWaitForMessage(webview, {
disablewebsecurity: '',
src: `data:text/html;base64,${encoded}`
})
expect(message).to.equal('ok')
})
it('does not break node integration', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
disablewebsecurity: '',
nodeintegration: 'on',
src: `file://${fixtures}/pages/d.html`
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'function',
module: 'object',
process: 'object'
})
})
it('does not break preload script', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
disablewebsecurity: '',
preload: `${fixtures}/module/preload.js`,
src: `file://${fixtures}/pages/e.html`
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'function',
module: 'object',
process: 'object',
Buffer: 'function'
})
})
})
describe('partition attribute', () => {
it('inserts no node symbols when not set', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
partition: 'test1',
src: `file://${fixtures}/pages/c.html`
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'undefined',
module: 'undefined',
process: 'undefined',
global: 'undefined'
})
})
it('inserts node symbols when set', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
nodeintegration: 'on',
partition: 'test2',
src: `file://${fixtures}/pages/d.html`
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'function',
module: 'object',
process: 'object'
})
})
it('isolates storage for different id', async () => {
window.localStorage.setItem('test', 'one')
const message = await startLoadingWebViewAndWaitForMessage(webview, {
partition: 'test3',
src: `file://${fixtures}/pages/partition/one.html`
})
const parsedMessage = JSON.parse(message)
expect(parsedMessage).to.include({
numberOfEntries: 0,
testValue: null
})
})
it('uses current session storage when no id is provided', async () => {
const testValue = 'one'
window.localStorage.setItem('test', testValue)
const message = await startLoadingWebViewAndWaitForMessage(webview, {
src: `file://${fixtures}/pages/partition/one.html`
})
const parsedMessage = JSON.parse(message)
expect(parsedMessage).to.include({
numberOfEntries: 1,
testValue
})
})
})
describe('allowpopups attribute', () => {
const generateSpecs = (description, webpreferences = '') => {
describe(description, () => {
it('can not open new window when not set', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
webpreferences,
src: `file://${fixtures}/pages/window-open-hide.html`
})
expect(message).to.equal('null')
})
it('can open new window when set', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
webpreferences,
allowpopups: 'on',
src: `file://${fixtures}/pages/window-open-hide.html`
})
expect(message).to.equal('window')
})
})
}
generateSpecs('without sandbox')
generateSpecs('with sandbox', 'sandbox=yes')
generateSpecs('with nativeWindowOpen', 'nativeWindowOpen=yes')
})
describe('webpreferences attribute', () => {
it('can enable nodeintegration', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
src: `file://${fixtures}/pages/d.html`,
webpreferences: 'nodeIntegration'
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'function',
module: 'object',
process: 'object'
})
})
it('can disable the remote module', async () => {
const message = await startLoadingWebViewAndWaitForMessage(webview, {
preload: `${fixtures}/module/preload-disable-remote.js`,
src: `file://${fixtures}/api/blank.html`,
webpreferences: 'enableRemoteModule=no'
})
const typeOfRemote = JSON.parse(message)
expect(typeOfRemote).to.equal('undefined')
})
it('can disables web security and enable nodeintegration', async () => {
const jqueryPath = path.join(__dirname, '/static/jquery-2.0.3.min.js')
const src = `<script src='file://${jqueryPath}'></script> <script>console.log(typeof require);</script>`
const encoded = btoa(unescape(encodeURIComponent(src)))
const message = await startLoadingWebViewAndWaitForMessage(webview, {
src: `data:text/html;base64,${encoded}`,
webpreferences: 'webSecurity=no, nodeIntegration=yes'
})
expect(message).to.equal('function')
})
})
describe('new-window event', () => {
it('emits when window.open is called', async () => {
loadWebView(webview, {
src: `file://${fixtures}/pages/window-open.html`
})
const { url, frameName } = await waitForEvent(webview, 'new-window')
expect(url).to.equal('http://host/')
expect(frameName).to.equal('host')
})
it('emits when link with target is called', async () => {
loadWebView(webview, {
src: `file://${fixtures}/pages/target-name.html`
})
const { url, frameName } = await waitForEvent(webview, 'new-window')
expect(url).to.equal('http://host/')
expect(frameName).to.equal('target')
})
})
describe('ipc-message event', () => {
it('emits when guest sends an ipc message to browser', async () => {
loadWebView(webview, {
nodeintegration: 'on',
src: `file://${fixtures}/pages/ipc-message.html`
})
const { channel, args } = await waitForEvent(webview, 'ipc-message')
expect(channel).to.equal('channel')
expect(args).to.deep.equal(['arg1', 'arg2'])
})
})
describe('page-title-set event', () => {
it('emits when title is set', async () => {
loadWebView(webview, {
src: `file://${fixtures}/pages/a.html`
})
const { title, explicitSet } = await waitForEvent(webview, 'page-title-set')
expect(title).to.equal('test')
expect(explicitSet).to.be.true()
})
})
describe('page-favicon-updated event', () => {
it('emits when favicon urls are received', async () => {
loadWebView(webview, {
src: `file://${fixtures}/pages/a.html`
})
const { favicons } = await waitForEvent(webview, 'page-favicon-updated')
expect(favicons).to.be.an('array').of.length(2)
if (process.platform === 'win32') {
expect(favicons[0]).to.match(/^file:\/\/\/[A-Z]:\/favicon.png$/i)
} else {
expect(favicons[0]).to.equal('file:///favicon.png')
}
})
})
describe('will-navigate event', () => {
it('emits when a url that leads to oustide of the page is clicked', async () => {
loadWebView(webview, {
src: `file://${fixtures}/pages/webview-will-navigate.html`
})
const { url } = await waitForEvent(webview, 'will-navigate')
expect(url).to.equal('http://host/')
})
})
describe('did-navigate event', () => {
let p = path.join(fixtures, 'pages', 'webview-will-navigate.html')
p = p.replace(/\\/g, '/')
const pageUrl = url.format({
protocol: 'file',
slashes: true,
pathname: p
})
it('emits when a url that leads to outside of the page is clicked', async () => {
loadWebView(webview, { src: pageUrl })
const { url } = await waitForEvent(webview, 'did-navigate')
expect(url).to.equal(pageUrl)
})
})
describe('did-navigate-in-page event', () => {
it('emits when an anchor link is clicked', async () => {
let p = path.join(fixtures, 'pages', 'webview-did-navigate-in-page.html')
p = p.replace(/\\/g, '/')
const pageUrl = url.format({
protocol: 'file',
slashes: true,
pathname: p
})
loadWebView(webview, { src: pageUrl })
const event = await waitForEvent(webview, 'did-navigate-in-page')
expect(event.url).to.equal(`${pageUrl}#test_content`)
})
it('emits when window.history.replaceState is called', async () => {
loadWebView(webview, {
src: `file://${fixtures}/pages/webview-did-navigate-in-page-with-history.html`
})
const { url } = await waitForEvent(webview, 'did-navigate-in-page')
expect(url).to.equal('http://host/')
})
it('emits when window.location.hash is changed', async () => {
let p = path.join(fixtures, 'pages', 'webview-did-navigate-in-page-with-hash.html')
p = p.replace(/\\/g, '/')
const pageUrl = url.format({
protocol: 'file',
slashes: true,
pathname: p
})
loadWebView(webview, { src: pageUrl })
const event = await waitForEvent(webview, 'did-navigate-in-page')
expect(event.url).to.equal(`${pageUrl}#test`)
})
})
describe('close event', () => {
it('should fire when interior page calls window.close', async () => {
loadWebView(webview, { src: `file://${fixtures}/pages/close.html` })
await waitForEvent(webview, 'close')
})
})
// FIXME(zcbenz): Disabled because of moving to OOPIF webview.
xdescribe('setDevToolsWebContents() API', () => {
it('sets webContents of webview as devtools', async () => {
const webview2 = new WebView()
loadWebView(webview2)
// Setup an event handler for further usage.
const waitForDomReady = waitForEvent(webview2, 'dom-ready')
loadWebView(webview, { src: 'about:blank' })
await waitForEvent(webview, 'dom-ready')
webview.getWebContents().setDevToolsWebContents(webview2.getWebContents())
webview.getWebContents().openDevTools()
await waitForDomReady
// Its WebContents should be a DevTools.
const devtools = webview2.getWebContents()
expect(devtools.getURL().startsWith('devtools://devtools')).to.be.true()
const name = await devtools.executeJavaScript('InspectorFrontendHost.constructor.name')
document.body.removeChild(webview2)
expect(name).to.be.equal('InspectorFrontendHostImpl')
})
})
describe('devtools-opened event', () => {
it('should fire when webview.openDevTools() is called', async () => {
loadWebView(webview, {
src: `file://${fixtures}/pages/base-page.html`
})
await waitForEvent(webview, 'dom-ready')
webview.openDevTools()
await waitForEvent(webview, 'devtools-opened')
webview.closeDevTools()
})
})
describe('devtools-closed event', () => {
it('should fire when webview.closeDevTools() is called', async () => {
loadWebView(webview, {
src: `file://${fixtures}/pages/base-page.html`
})
await waitForEvent(webview, 'dom-ready')
webview.openDevTools()
await waitForEvent(webview, 'devtools-opened')
webview.closeDevTools()
await waitForEvent(webview, 'devtools-closed')
})
})
describe('devtools-focused event', () => {
it('should fire when webview.openDevTools() is called', async () => {
loadWebView(webview, {
src: `file://${fixtures}/pages/base-page.html`
})
const waitForDevToolsFocused = waitForEvent(webview, 'devtools-focused')
await waitForEvent(webview, 'dom-ready')
webview.openDevTools()
await waitForDevToolsFocused
webview.closeDevTools()
})
})
describe('<webview>.reload()', () => {
it('should emit beforeunload handler', async () => {
await loadWebView(webview, {
nodeintegration: 'on',
src: `file://${fixtures}/pages/beforeunload-false.html`
})
// Event handler has to be added before reload.
const waitForOnbeforeunload = waitForEvent(webview, 'ipc-message')
webview.reload()
const { channel } = await waitForOnbeforeunload
expect(channel).to.equal('onbeforeunload')
})
})
describe('<webview>.goForward()', () => {
it('should work after a replaced history entry', (done) => {
let loadCount = 1
const listener = (e) => {
if (loadCount === 1) {
expect(e.channel).to.equal('history')
expect(e.args[0]).to.equal(1)
expect(webview.canGoBack()).to.be.false()
expect(webview.canGoForward()).to.be.false()
} else if (loadCount === 2) {
expect(e.channel).to.equal('history')
expect(e.args[0]).to.equal(2)
expect(webview.canGoBack()).to.be.false()
expect(webview.canGoForward()).to.be.true()
webview.removeEventListener('ipc-message', listener)
}
}
const loadListener = () => {
if (loadCount === 1) {
webview.src = `file://${fixtures}/pages/base-page.html`
} else if (loadCount === 2) {
expect(webview.canGoBack()).to.be.true()
expect(webview.canGoForward()).to.be.false()
webview.goBack()
} else if (loadCount === 3) {
webview.goForward()
} else if (loadCount === 4) {
expect(webview.canGoBack()).to.be.true()
expect(webview.canGoForward()).to.be.false()
webview.removeEventListener('did-finish-load', loadListener)
done()
}
loadCount += 1
}
webview.addEventListener('ipc-message', listener)
webview.addEventListener('did-finish-load', loadListener)
loadWebView(webview, {
nodeintegration: 'on',
src: `file://${fixtures}/pages/history-replace.html`
})
})
})
// FIXME: https://github.com/electron/electron/issues/19397
xdescribe('<webview>.clearHistory()', () => {
it('should clear the navigation history', async () => {
const message = waitForEvent(webview, 'ipc-message')
await loadWebView(webview, {
nodeintegration: 'on',
src: `file://${fixtures}/pages/history.html`
})
const event = await message
expect(event.channel).to.equal('history')
expect(event.args[0]).to.equal(2)
expect(webview.canGoBack()).to.be.true()
webview.clearHistory()
expect(webview.canGoBack()).to.be.false()
})
})
describe('basic auth', () => {
const auth = require('basic-auth')
it('should authenticate with correct credentials', (done) => {
const message = 'Authenticated'
const server = http.createServer((req, res) => {
const credentials = auth(req)
if (credentials.name === 'test' && credentials.pass === 'test') {
res.end(message)
} else {
res.end('failed')
}
server.close()
})
server.listen(0, '127.0.0.1', () => {
const port = server.address().port
webview.addEventListener('ipc-message', (e) => {
expect(e.channel).to.equal(message)
done()
})
loadWebView(webview, {
nodeintegration: 'on',
src: `file://${fixtures}/pages/basic-auth.html?port=${port}`
})
})
})
})
describe('dom-ready event', () => {
it('emits when document is loaded', (done) => {
const server = http.createServer(() => {})
server.listen(0, '127.0.0.1', () => {
const port = server.address().port
webview.addEventListener('dom-ready', () => {
done()
})
loadWebView(webview, {
src: `file://${fixtures}/pages/dom-ready.html?port=${port}`
})
})
})
it('throws a custom error when an API method is called before the event is emitted', () => {
const expectedErrorMessage =
'The WebView must be attached to the DOM ' +
'and the dom-ready event emitted before this method can be called.'
expect(() => { webview.stop() }).to.throw(expectedErrorMessage)
})
})
describe('executeJavaScript', () => {
it('should support user gesture', async () => {
await loadWebView(webview, {
src: `file://${fixtures}/pages/fullscreen.html`
})
// Event handler has to be added before js execution.
const waitForEnterHtmlFullScreen = waitForEvent(webview, 'enter-html-full-screen')
const jsScript = "document.querySelector('video').webkitRequestFullscreen()"
webview.executeJavaScript(jsScript, true)
return waitForEnterHtmlFullScreen
})
it('can return the result of the executed script', async () => {
await loadWebView(webview, {
src: 'about:blank'
})
const jsScript = "'4'+2"
const expectedResult = '42'
const result = await webview.executeJavaScript(jsScript)
expect(result).to.equal(expectedResult)
})
})
it('supports inserting CSS', async () => {
await loadWebView(webview, { src: `file://${fixtures}/pages/base-page.html` })
await webview.insertCSS('body { background-repeat: round; }')
const result = await webview.executeJavaScript('window.getComputedStyle(document.body).getPropertyValue("background-repeat")')
expect(result).to.equal('round')
})
it('supports removing inserted CSS', async () => {
await loadWebView(webview, { src: `file://${fixtures}/pages/base-page.html` })
const key = await webview.insertCSS('body { background-repeat: round; }')
await webview.removeInsertedCSS(key)
const result = await webview.executeJavaScript('window.getComputedStyle(document.body).getPropertyValue("background-repeat")')
expect(result).to.equal('repeat')
})
describe('sendInputEvent', () => {
it('can send keyboard event', async () => {
loadWebView(webview, {
nodeintegration: 'on',
src: `file://${fixtures}/pages/onkeyup.html`
})
await waitForEvent(webview, 'dom-ready')
const waitForIpcMessage = waitForEvent(webview, 'ipc-message')
webview.sendInputEvent({
type: 'keyup',
keyCode: 'c',
modifiers: ['shift']
})
const { channel, args } = await waitForIpcMessage
expect(channel).to.equal('keyup')
expect(args).to.deep.equal(['C', 'KeyC', 67, true, false])
})
it('can send mouse event', async () => {
loadWebView(webview, {
nodeintegration: 'on',
src: `file://${fixtures}/pages/onmouseup.html`
})
await waitForEvent(webview, 'dom-ready')
const waitForIpcMessage = waitForEvent(webview, 'ipc-message')
webview.sendInputEvent({
type: 'mouseup',
modifiers: ['ctrl'],
x: 10,
y: 20
})
const { channel, args } = await waitForIpcMessage
expect(channel).to.equal('mouseup')
expect(args).to.deep.equal([10, 20, false, true])
})
})
describe('media-started-playing media-paused events', () => {
it('emits when audio starts and stops playing', async () => {
await loadWebView(webview, { src: `file://${fixtures}/pages/base-page.html` })
// With the new autoplay policy, audio elements must be unmuted
// see https://goo.gl/xX8pDD.
const source = `
const audio = document.createElement("audio")
audio.src = "../assets/tone.wav"
document.body.appendChild(audio);
audio.play()
`
webview.executeJavaScript(source, true)
await waitForEvent(webview, 'media-started-playing')
webview.executeJavaScript('document.querySelector("audio").pause()', true)
await waitForEvent(webview, 'media-paused')
})
})
describe('found-in-page event', () => {
it('emits when a request is made', (done) => {
let requestId = null
const activeMatchOrdinal = []
const listener = (e) => {
expect(e.result.requestId).to.equal(requestId)
expect(e.result.matches).to.equal(3)
activeMatchOrdinal.push(e.result.activeMatchOrdinal)
if (e.result.activeMatchOrdinal === e.result.matches) {
expect(activeMatchOrdinal).to.deep.equal([1, 2, 3])
webview.stopFindInPage('clearSelection')
done()
} else {
listener2()
}
}
const listener2 = () => {
requestId = webview.findInPage('virtual')
}
webview.addEventListener('found-in-page', listener)
webview.addEventListener('did-finish-load', listener2)
loadWebView(webview, { src: `file://${fixtures}/pages/content.html` })
// TODO(deepak1556): With https://codereview.chromium.org/2836973002
// focus of the webContents is required when triggering the api.
// Remove this workaround after determining the cause for
// incorrect focus.
webview.focus()
})
})
describe('did-change-theme-color event', () => {
it('emits when theme color changes', async () => {
loadWebView(webview, {
src: `file://${fixtures}/pages/theme-color.html`
})
await waitForEvent(webview, 'did-change-theme-color')
})
})
describe('<webview>.getWebContentsId', () => {
it('can return the WebContents ID', async () => {
const src = 'about:blank'
await loadWebView(webview, { src })
expect(webview.getWebContentsId()).to.be.equal(webview.getWebContents().id)
})
})
describe('<webview>.getWebContents', () => {
it('can return the webcontents associated', async () => {
const src = 'about:blank'
await loadWebView(webview, { src })
const webviewContents = webview.getWebContents()
expect(webviewContents).to.be.an('object')
expect(webviewContents.getURL()).to.equal(src)
})
})
describe('<webview>.getWebContents filtering', () => {
it('can return custom value', async () => {
const src = 'about:blank'
await loadWebView(webview, { src })
ipcRenderer.send('handle-next-remote-get-guest-web-contents', 'Hello World!')
expect(webview.getWebContents()).to.be.equal('Hello World!')
})
it('throws when no returnValue set', async () => {
const src = 'about:blank'
await loadWebView(webview, { src })
ipcRenderer.send('handle-next-remote-get-guest-web-contents')
expect(() => webview.getWebContents()).to.throw('Blocked remote.getGuestForWebContents()')
})
})
describe('<webview>.printToPDF()', () => {
before(function () {
if (!features.isPrintingEnabled()) {
this.skip()
}
})
it('can print to PDF', async () => {
const src = 'data:text/html,%3Ch1%3EHello%2C%20World!%3C%2Fh1%3E'
await loadWebView(webview, { src })
const data = await webview.printToPDF({})
expect(data).to.be.an.instanceof(Buffer).that.is.not.empty()
})
})
describe('will-attach-webview event', () => {
it('does not emit when src is not changed', (done) => {
loadWebView(webview)
setTimeout(() => {
const expectedErrorMessage =
'The WebView must be attached to the DOM ' +
'and the dom-ready event emitted before this method can be called.'
expect(() => { webview.stop() }).to.throw(expectedErrorMessage)
done()
})
})
it('supports changing the web preferences', async () => {
ipcRenderer.send('disable-node-on-next-will-attach-webview')
const message = await startLoadingWebViewAndWaitForMessage(webview, {
nodeintegration: 'yes',
src: `file://${fixtures}/pages/a.html`
})
const types = JSON.parse(message)
expect(types).to.include({
require: 'undefined',
module: 'undefined',
process: 'undefined',
global: 'undefined'
})
})
it('supports preventing a webview from being created', async () => {
ipcRenderer.send('prevent-next-will-attach-webview')
loadWebView(webview, {
src: `file://${fixtures}/pages/c.html`
})
await waitForEvent(webview, 'destroyed')
})
it('supports removing the preload script', async () => {
ipcRenderer.send('disable-preload-on-next-will-attach-webview')
const message = await startLoadingWebViewAndWaitForMessage(webview, {
nodeintegration: 'yes',
preload: path.join(fixtures, 'module', 'preload-set-global.js'),
src: `file://${fixtures}/pages/a.html`
})
expect(message).to.equal('undefined')
})
})
describe('DOM events', () => {
let div
beforeEach(() => {
div = document.createElement('div')
div.style.width = '100px'
div.style.height = '10px'
div.style.overflow = 'hidden'
webview.style.height = '100%'
webview.style.width = '100%'
})
afterEach(() => {
if (div != null) div.remove()
})
const generateSpecs = (description, sandbox) => {
describe(description, () => {
// TODO(nornagon): disabled during chromium roll 2019-06-11 due to a
// 'ResizeObserver loop limit exceeded' error on Windows
xit('emits resize events', async () => {
const firstResizeSignal = waitForEvent(webview, 'resize')
const domReadySignal = waitForEvent(webview, 'dom-ready')
webview.src = `file://${fixtures}/pages/a.html`
webview.webpreferences = `sandbox=${sandbox ? 'yes' : 'no'}`
div.appendChild(webview)
document.body.appendChild(div)
const firstResizeEvent = await firstResizeSignal
expect(firstResizeEvent.target).to.equal(webview)
expect(firstResizeEvent.newWidth).to.equal(100)
expect(firstResizeEvent.newHeight).to.equal(10)
await domReadySignal
const secondResizeSignal = waitForEvent(webview, 'resize')
const newWidth = 1234
const newHeight = 789
div.style.width = `${newWidth}px`
div.style.height = `${newHeight}px`
const secondResizeEvent = await secondResizeSignal
expect(secondResizeEvent.target).to.equal(webview)
expect(secondResizeEvent.newWidth).to.equal(newWidth)
expect(secondResizeEvent.newHeight).to.equal(newHeight)
})
it('emits focus event', async () => {
const domReadySignal = waitForEvent(webview, 'dom-ready')
webview.src = `file://${fixtures}/pages/a.html`
webview.webpreferences = `sandbox=${sandbox ? 'yes' : 'no'}`
document.body.appendChild(webview)
await domReadySignal
// If this test fails, check if webview.focus() still works.
const focusSignal = waitForEvent(webview, 'focus')
webview.focus()
await focusSignal
})
})
}
generateSpecs('without sandbox', false)
generateSpecs('with sandbox', true)
})
})