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api-browser-window-spec.js
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api-browser-window-spec.js
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'use strict'
const assert = require('assert')
const chai = require('chai')
const dirtyChai = require('dirty-chai')
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 { emittedOnce } = require('./events-helpers')
const { resolveGetters } = require('./assert-helpers')
const { ipcRenderer, remote } = require('electron')
const { app, ipcMain, BrowserWindow, BrowserView, protocol, session, screen, webContents } = remote
const features = process.atomBinding('features')
const { expect } = chai
const isCI = remote.getGlobal('isCi')
const nativeModulesEnabled = remote.getGlobal('nativeModulesEnabled')
chai.use(dirtyChai)
describe('BrowserWindow module', () => {
const fixtures = path.resolve(__dirname, 'fixtures')
let w = null
let iw = null
let ws = null
let server
let postData
const defaultOptions = {
show: false,
width: 400,
height: 400,
webPreferences: {
backgroundThrottling: false
}
}
const openTheWindow = async (options = defaultOptions) => {
// The `afterEach` hook isn't called if a test fails,
// we should make sure that the window is closed ourselves.
await closeTheWindow()
w = new BrowserWindow(options)
return w
}
const closeTheWindow = function () {
return closeWindow(w).then(() => { w = null })
}
before((done) => {
const filePath = path.join(fixtures, 'pages', 'a.html')
const fileStats = fs.statSync(filePath)
postData = [
{
type: 'rawData',
bytes: Buffer.from('username=test&file=')
},
{
type: 'file',
filePath: filePath,
offset: 0,
length: fileStats.size,
modificationTime: fileStats.mtime.getTime() / 1000
}
]
server = http.createServer((req, res) => {
function respond () {
if (req.method === 'POST') {
let body = ''
req.on('data', (data) => {
if (data) body += data
})
req.on('end', () => {
const parsedData = qs.parse(body)
fs.readFile(filePath, (err, data) => {
if (err) return
if (parsedData.username === 'test' &&
parsedData.file === data.toString()) {
res.end()
}
})
})
} else if (req.url === '/302') {
res.setHeader('Location', '/200')
res.statusCode = 302
res.end()
} else if (req.url === '/navigate-302') {
res.end(`<html><body><script>window.location='${server.url}/302'</script></body></html>`)
} else if (req.url === '/cross-site') {
res.end(`<html><body><h1>${req.url}</h1></body></html>`)
} else {
res.end()
}
}
setTimeout(respond, req.url.includes('slow') ? 200 : 0)
})
server.listen(0, '127.0.0.1', () => {
server.url = `http://127.0.0.1:${server.address().port}`
done()
})
})
after(() => {
server.close()
server = null
})
beforeEach(openTheWindow)
afterEach(closeTheWindow)
describe('BrowserWindow constructor', () => {
it('allows passing void 0 as the webContents', async () => {
await openTheWindow({
webContents: void 0
})
})
})
describe('BrowserWindow.close()', () => {
let server
before((done) => {
server = http.createServer((request, response) => {
switch (request.url) {
case '/404':
response.statusCode = '404'
response.end()
break
case '/301':
response.statusCode = '301'
response.setHeader('Location', '/200')
response.end()
break
case '/200':
response.statusCode = '200'
response.end('hello')
break
case '/title':
response.statusCode = '200'
response.end('<title>Hello</title>')
break
default:
done('unsupported endpoint')
}
}).listen(0, '127.0.0.1', () => {
server.url = 'http://127.0.0.1:' + server.address().port
done()
})
})
after(() => {
server.close()
server = null
})
it('should emit unload handler', (done) => {
w.webContents.once('did-finish-load', () => { w.close() })
w.once('closed', () => {
const test = path.join(fixtures, 'api', 'unload')
const content = fs.readFileSync(test)
fs.unlinkSync(test)
assert.strictEqual(String(content), 'unload')
done()
})
w.loadFile(path.join(fixtures, 'api', 'unload.html'))
})
it('should emit beforeunload handler', (done) => {
w.once('onbeforeunload', () => { done() })
w.webContents.once('did-finish-load', () => { w.close() })
w.loadFile(path.join(fixtures, 'api', 'beforeunload-false.html'))
})
it('should not crash when invoked synchronously inside navigation observer', (done) => {
const events = [
{ name: 'did-start-loading', url: `${server.url}/200` },
{ name: 'dom-ready', url: `${server.url}/200` },
{ name: 'page-title-updated', url: `${server.url}/title` },
{ name: 'did-stop-loading', url: `${server.url}/200` },
{ name: 'did-finish-load', url: `${server.url}/200` },
{ name: 'did-frame-finish-load', url: `${server.url}/200` },
{ name: 'did-fail-load', url: `${server.url}/404` }
]
const responseEvent = 'window-webContents-destroyed'
function * genNavigationEvent () {
let eventOptions = null
while ((eventOptions = events.shift()) && events.length) {
const w = new BrowserWindow({ show: false })
eventOptions.id = w.id
eventOptions.responseEvent = responseEvent
ipcRenderer.send('test-webcontents-navigation-observer', eventOptions)
yield 1
}
}
const gen = genNavigationEvent()
ipcRenderer.on(responseEvent, () => {
if (!gen.next().value) done()
})
gen.next()
})
})
describe('window.close()', () => {
it('should emit unload handler', (done) => {
w.once('closed', () => {
const test = path.join(fixtures, 'api', 'close')
const content = fs.readFileSync(test)
fs.unlinkSync(test)
assert.strictEqual(String(content), 'close')
done()
})
w.loadFile(path.join(fixtures, 'api', 'close.html'))
})
it('should emit beforeunload handler', (done) => {
w.once('onbeforeunload', () => { done() })
w.loadFile(path.join(fixtures, 'api', 'close-beforeunload-false.html'))
})
})
describe('BrowserWindow.destroy()', () => {
it('prevents users to access methods of webContents', () => {
const contents = w.webContents
w.destroy()
assert.throws(() => {
contents.getProcessId()
}, /Object has been destroyed/)
})
it('should not crash when destroying windows with pending events', (done) => {
const responseEvent = 'destroy-test-completed'
ipcRenderer.on(responseEvent, () => done())
ipcRenderer.send('test-browserwindow-destroy', { responseEvent })
})
})
describe('BrowserWindow.loadURL(url)', () => {
it('should emit did-start-loading event', (done) => {
w.webContents.on('did-start-loading', () => { done() })
w.loadURL('about:blank')
})
it('should emit ready-to-show event', (done) => {
w.on('ready-to-show', () => { done() })
w.loadURL('about:blank')
})
it('should emit did-fail-load event for files that do not exist', (done) => {
w.webContents.on('did-fail-load', (event, code, desc, url, isMainFrame) => {
assert.strictEqual(code, -6)
assert.strictEqual(desc, 'ERR_FILE_NOT_FOUND')
assert.strictEqual(isMainFrame, true)
done()
})
w.loadURL('file://a.txt')
})
it('should emit did-fail-load event for invalid URL', (done) => {
w.webContents.on('did-fail-load', (event, code, desc, url, isMainFrame) => {
assert.strictEqual(desc, 'ERR_INVALID_URL')
assert.strictEqual(code, -300)
assert.strictEqual(isMainFrame, true)
done()
})
w.loadURL('http://example:port')
})
it('should set `mainFrame = false` on did-fail-load events in iframes', (done) => {
w.webContents.on('did-fail-load', (event, code, desc, url, isMainFrame) => {
assert.strictEqual(isMainFrame, false)
done()
})
w.loadFile(path.join(fixtures, 'api', 'did-fail-load-iframe.html'))
})
it('does not crash in did-fail-provisional-load handler', (done) => {
w.webContents.once('did-fail-provisional-load', () => {
w.loadURL('http://127.0.0.1:11111')
done()
})
w.loadURL('http://127.0.0.1:11111')
})
it('should emit did-fail-load event for URL exceeding character limit', (done) => {
w.webContents.on('did-fail-load', (event, code, desc, url, isMainFrame) => {
assert.strictEqual(desc, 'ERR_INVALID_URL')
assert.strictEqual(code, -300)
assert.strictEqual(isMainFrame, true)
done()
})
const data = Buffer.alloc(2 * 1024 * 1024).toString('base64')
w.loadURL(`data:image/png;base64,${data}`)
})
describe('POST navigations', () => {
afterEach(() => { w.webContents.session.webRequest.onBeforeSendHeaders(null) })
it('supports specifying POST data', async () => {
await w.loadURL(server.url, { postData: postData })
})
it('sets the content type header on URL encoded forms', async () => {
await w.loadURL(server.url)
const requestDetails = new Promise(resolve => {
w.webContents.session.webRequest.onBeforeSendHeaders((details, callback) => {
resolve(details)
})
})
w.webContents.executeJavaScript(`
form = document.createElement('form')
document.body.appendChild(form)
form.method = 'POST'
form.target = '_blank'
form.submit()
`)
const details = await requestDetails
assert.strictEqual(details.requestHeaders['content-type'], 'application/x-www-form-urlencoded')
})
it('sets the content type header on multi part forms', async () => {
await w.loadURL(server.url)
const requestDetails = new Promise(resolve => {
w.webContents.session.webRequest.onBeforeSendHeaders((details, callback) => {
resolve(details)
})
})
w.webContents.executeJavaScript(`
form = document.createElement('form')
document.body.appendChild(form)
form.method = 'POST'
form.target = '_blank'
form.enctype = 'multipart/form-data'
file = document.createElement('input')
file.type = 'file'
file.name = 'file'
form.appendChild(file)
form.submit()
`)
const details = await requestDetails
assert(details.requestHeaders['content-type'].startsWith('multipart/form-data; boundary=----WebKitFormBoundary'))
})
})
it('should support support base url for data urls', (done) => {
ipcMain.once('answer', (event, test) => {
assert.strictEqual(test, 'test')
done()
})
w.loadURL('data:text/html,<script src="loaded-from-dataurl.js"></script>', { baseURLForDataURL: `file://${path.join(fixtures, 'api')}${path.sep}` })
})
})
describe('will-navigate event', () => {
it('allows the window to be closed from the event listener', (done) => {
ipcRenderer.send('close-on-will-navigate', w.id)
ipcRenderer.once('closed-on-will-navigate', () => { done() })
w.loadFile(path.join(fixtures, 'pages', 'will-navigate.html'))
})
})
describe('will-redirect event', () => {
it('is emitted on redirects', (done) => {
w.webContents.on('will-redirect', (event, url) => {
done()
})
w.loadURL(`${server.url}/302`)
})
it('is emitted after will-navigate on redirects', (done) => {
let navigateCalled = false
w.webContents.on('will-navigate', () => {
navigateCalled = true
})
w.webContents.on('will-redirect', (event, url) => {
expect(navigateCalled).to.equal(true, 'should have called will-navigate first')
done()
})
w.loadURL(`${server.url}/navigate-302`)
})
it('is emitted before did-stop-loading on redirects', (done) => {
let stopCalled = false
w.webContents.on('did-stop-loading', () => {
stopCalled = true
})
w.webContents.on('will-redirect', (event, url) => {
expect(stopCalled).to.equal(false, 'should not have called did-stop-loading first')
done()
})
w.loadURL(`${server.url}/302`)
})
it('allows the window to be closed from the event listener', (done) => {
ipcRenderer.send('close-on-will-redirect', w.id)
ipcRenderer.once('closed-on-will-redirect', () => { done() })
w.loadURL(`${server.url}/302`)
})
it('can be prevented', (done) => {
ipcRenderer.send('prevent-will-redirect', w.id)
w.webContents.on('will-navigate', (e, url) => {
expect(url).to.equal(`${server.url}/302`)
})
w.webContents.on('did-stop-loading', () => {
expect(w.webContents.getURL()).to.equal(
`${server.url}/navigate-302`,
'url should not have changed after navigation event'
)
done()
})
w.webContents.on('will-redirect', (e, url) => {
expect(url).to.equal(`${server.url}/200`)
})
w.loadURL(`${server.url}/navigate-302`)
})
})
describe('BrowserWindow.show()', () => {
before(function () {
if (isCI) {
this.skip()
}
})
it('should focus on window', () => {
w.show()
assert(w.isFocused())
})
it('should make the window visible', () => {
w.show()
assert(w.isVisible())
})
it('emits when window is shown', (done) => {
w.once('show', () => {
assert.strictEqual(w.isVisible(), true)
done()
})
w.show()
})
})
describe('BrowserWindow.hide()', () => {
before(function () {
if (isCI) {
this.skip()
}
})
it('should defocus on window', () => {
w.hide()
assert(!w.isFocused())
})
it('should make the window not visible', () => {
w.show()
w.hide()
assert(!w.isVisible())
})
it('emits when window is hidden', (done) => {
w.show()
w.once('hide', () => {
assert.strictEqual(w.isVisible(), false)
done()
})
w.hide()
})
})
describe('BrowserWindow.showInactive()', () => {
it('should not focus on window', () => {
w.showInactive()
assert(!w.isFocused())
})
})
describe('BrowserWindow.focus()', () => {
it('does not make the window become visible', () => {
assert.strictEqual(w.isVisible(), false)
w.focus()
assert.strictEqual(w.isVisible(), false)
})
})
describe('BrowserWindow.blur()', () => {
it('removes focus from window', () => {
w.blur()
assert(!w.isFocused())
})
})
describe('BrowserWindow.getFocusedWindow()', (done) => {
it('returns the opener window when dev tools window is focused', (done) => {
w.show()
w.webContents.once('devtools-focused', () => {
assert.deepStrictEqual(BrowserWindow.getFocusedWindow(), w)
done()
})
w.webContents.openDevTools({ mode: 'undocked' })
})
})
describe('BrowserWindow.capturePage(rect)', () => {
it('returns a Promise with a Buffer', async () => {
const image = await w.capturePage({
x: 0,
y: 0,
width: 100,
height: 100
})
expect(image.isEmpty()).to.be.true()
})
it('preserves transparency', async () => {
const w = await openTheWindow({
show: false,
width: 400,
height: 400,
transparent: true
})
const p = emittedOnce(w, 'ready-to-show')
w.loadURL('data:text/html,<html><body background-color: rgba(255,255,255,0)></body></html>')
await p
w.show()
const image = await w.capturePage()
const imgBuffer = image.toPNG()
// Check the 25th byte in the PNG.
// Values can be 0,2,3,4, or 6. We want 6, which is RGB + Alpha
expect(imgBuffer[25]).to.equal(6)
})
})
describe('BrowserWindow.setBounds(bounds[, animate])', () => {
it('sets the window bounds with full bounds', () => {
const fullBounds = { x: 440, y: 225, width: 500, height: 400 }
w.setBounds(fullBounds)
assertBoundsEqual(w.getBounds(), fullBounds)
})
it('sets the window bounds with partial bounds', () => {
const fullBounds = { x: 440, y: 225, width: 500, height: 400 }
w.setBounds(fullBounds)
const boundsUpdate = { width: 200 }
w.setBounds(boundsUpdate)
const expectedBounds = Object.assign(fullBounds, boundsUpdate)
assertBoundsEqual(w.getBounds(), expectedBounds)
})
})
describe('BrowserWindow.setSize(width, height)', () => {
it('sets the window size', async () => {
const size = [300, 400]
const resized = emittedOnce(w, 'resize')
w.setSize(size[0], size[1])
await resized
assertBoundsEqual(w.getSize(), size)
})
})
describe('BrowserWindow.setMinimum/MaximumSize(width, height)', () => {
it('sets the maximum and minimum size of the window', () => {
assert.deepStrictEqual(w.getMinimumSize(), [0, 0])
assert.deepStrictEqual(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)', () => {
it('resets the behaviour when passing in 0', (done) => {
const size = [300, 400]
w.setAspectRatio(1 / 2)
w.setAspectRatio(0)
w.once('resize', () => {
assertBoundsEqual(w.getSize(), size)
done()
})
w.setSize(size[0], size[1])
})
})
describe('BrowserWindow.setPosition(x, y)', () => {
it('sets the window position', (done) => {
const pos = [10, 10]
w.once('move', () => {
const newPos = w.getPosition()
assert.strictEqual(newPos[0], pos[0])
assert.strictEqual(newPos[1], pos[1])
done()
})
w.setPosition(pos[0], pos[1])
})
})
describe('BrowserWindow.setContentSize(width, height)', () => {
it('sets the content size', () => {
const size = [400, 400]
w.setContentSize(size[0], size[1])
const after = w.getContentSize()
assert.strictEqual(after[0], size[0])
assert.strictEqual(after[1], size[1])
})
it('works for a frameless window', () => {
w.destroy()
w = new BrowserWindow({
show: false,
frame: false,
width: 400,
height: 400
})
const size = [400, 400]
w.setContentSize(size[0], size[1])
const after = w.getContentSize()
assert.strictEqual(after[0], size[0])
assert.strictEqual(after[1], size[1])
})
})
describe('BrowserWindow.setContentBounds(bounds)', () => {
it('sets the content size and position', (done) => {
const bounds = { x: 10, y: 10, width: 250, height: 250 }
w.once('resize', () => {
assertBoundsEqual(w.getContentBounds(), bounds)
done()
})
w.setContentBounds(bounds)
})
it('works for a frameless window', (done) => {
w.destroy()
w = new BrowserWindow({
show: false,
frame: false,
width: 300,
height: 300
})
const bounds = { x: 10, y: 10, width: 250, height: 250 }
w.once('resize', () => {
assert.deepStrictEqual(w.getContentBounds(), bounds)
done()
})
w.setContentBounds(bounds)
})
})
describe(`BrowserWindow.getNormalBounds()`, () => {
describe(`Normal state`, () => {
it(`checks normal bounds after resize`, (done) => {
const size = [300, 400]
w.once('resize', () => {
assertBoundsEqual(w.getNormalBounds(), w.getBounds())
done()
})
w.setSize(size[0], size[1])
})
it(`checks normal bounds after move`, (done) => {
const pos = [10, 10]
w.once('move', () => {
assertBoundsEqual(w.getNormalBounds(), w.getBounds())
done()
})
w.setPosition(pos[0], pos[1])
})
})
describe(`Maximized state`, () => {
before(function () {
if (isCI) {
this.skip()
}
})
it(`checks normal bounds when maximized`, (done) => {
const bounds = w.getBounds()
w.once('maximize', () => {
assertBoundsEqual(w.getNormalBounds(), bounds)
done()
})
w.show()
w.maximize()
})
it(`checks normal bounds when unmaximized`, (done) => {
const bounds = w.getBounds()
w.once('maximize', () => {
w.unmaximize()
})
w.once('unmaximize', () => {
assertBoundsEqual(w.getNormalBounds(), bounds)
done()
})
w.show()
w.maximize()
})
})
describe(`Minimized state`, () => {
before(function () {
if (isCI) {
this.skip()
}
})
it(`checks normal bounds when minimized`, (done) => {
const bounds = w.getBounds()
w.once('minimize', () => {
assertBoundsEqual(w.getNormalBounds(), bounds)
done()
})
w.show()
w.minimize()
})
it(`checks normal bounds when restored`, (done) => {
const bounds = w.getBounds()
w.once('minimize', () => {
w.restore()
})
w.once('restore', () => {
assertBoundsEqual(w.getNormalBounds(), bounds)
done()
})
w.show()
w.minimize()
})
})
describe(`Fullscreen state`, () => {
before(function () {
if (isCI) {
this.skip()
}
if (process.platform === 'darwin') {
this.skip()
}
})
it(`checks normal bounds when fullscreen'ed`, (done) => {
const bounds = w.getBounds()
w.once('enter-full-screen', () => {
assertBoundsEqual(w.getNormalBounds(), bounds)
done()
})
w.show()
w.setFullScreen(true)
})
it(`checks normal bounds when unfullscreen'ed`, (done) => {
const bounds = w.getBounds()
w.once('enter-full-screen', () => {
w.setFullScreen(false)
})
w.once('leave-full-screen', () => {
assertBoundsEqual(w.getNormalBounds(), bounds)
done()
})
w.show()
w.setFullScreen(true)
})
})
})
describe('BrowserWindow.setProgressBar(progress)', () => {
it('sets the progress', () => {
assert.doesNotThrow(() => {
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', () => {
assert.doesNotThrow(() => {
w.setProgressBar(0.5, { mode: 'paused' })
})
})
it('sets the progress using "error" mode', () => {
assert.doesNotThrow(() => {
w.setProgressBar(0.5, { mode: 'error' })
})
})
it('sets the progress using "normal" mode', () => {
assert.doesNotThrow(() => {
w.setProgressBar(0.5, { mode: 'normal' })
})
})
})
describe('BrowserWindow.setAlwaysOnTop(flag, level)', () => {
it('sets the window as always on top', () => {
assert.strictEqual(w.isAlwaysOnTop(), false)
w.setAlwaysOnTop(true, 'screen-saver')
assert.strictEqual(w.isAlwaysOnTop(), true)
w.setAlwaysOnTop(false)
assert.strictEqual(w.isAlwaysOnTop(), false)
w.setAlwaysOnTop(true)
assert.strictEqual(w.isAlwaysOnTop(), true)
})
it('raises an error when relativeLevel is out of bounds', function () {
if (process.platform !== 'darwin') {
// FIXME(alexeykuzmin): Skip the test instead of marking it as passed.
// afterEach hook won't be run if a test is skipped dynamically.
// If afterEach isn't run current window won't be destroyed
// and the next test will fail on assertion in `closeWindow()`.
// this.skip()
return
}
assert.throws(() => {
w.setAlwaysOnTop(true, '', -2147483644)
})
assert.throws(() => {
w.setAlwaysOnTop(true, '', 2147483632)
})
})
})
describe('BrowserWindow.alwaysOnTop() resets level on minimize', () => {
before(function () {
if (process.platform !== 'darwin') {
this.skip()
}
})
it('resets the windows level on minimize', () => {
assert.strictEqual(w.isAlwaysOnTop(), false)
w.setAlwaysOnTop(true, 'screen-saver')
assert.strictEqual(w.isAlwaysOnTop(), true)
w.minimize()
assert.strictEqual(w.isAlwaysOnTop(), false)
w.restore()
assert.strictEqual(w.isAlwaysOnTop(), true)
})
})
describe('BrowserWindow.setAutoHideCursor(autoHide)', () => {
describe('on macOS', () => {
before(function () {
if (process.platform !== 'darwin') {
this.skip()
}
})
it('allows changing cursor auto-hiding', () => {
assert.doesNotThrow(() => {
w.setAutoHideCursor(false)
w.setAutoHideCursor(true)
})
})
})
describe('on non-macOS platforms', () => {
before(function () {
if (process.platform === 'darwin') {
this.skip()
}
})
it('is not available', () => {
assert.ok(!w.setAutoHideCursor)
})
})
})
describe('BrowserWindow.selectPreviousTab()', () => {
before(function () {
if (process.platform !== 'darwin') {
this.skip()
}
})
it('does not throw', () => {
assert.doesNotThrow(() => {
w.selectPreviousTab()
})
})
})
describe('BrowserWindow.selectNextTab()', () => {
before(function () {
if (process.platform !== 'darwin') {
this.skip()
}
})
it('does not throw', () => {
assert.doesNotThrow(() => {
w.selectNextTab()
})
})
})
describe('BrowserWindow.mergeAllWindows()', () => {
before(function () {
if (process.platform !== 'darwin') {
this.skip()
}
})
it('does not throw', () => {
assert.doesNotThrow(() => {
w.mergeAllWindows()
})
})
})
describe('BrowserWindow.moveTabToNewWindow()', () => {
before(function () {
if (process.platform !== 'darwin') {
this.skip()
}
})
it('does not throw', () => {
assert.doesNotThrow(() => {
w.moveTabToNewWindow()
})
})
})
describe('BrowserWindow.toggleTabBar()', () => {
before(function () {
if (process.platform !== 'darwin') {
this.skip()
}
})
it('does not throw', () => {
assert.doesNotThrow(() => {
w.toggleTabBar()
})
})
})
describe('BrowserWindow.addTabbedWindow()', () => {
before(function () {
if (process.platform !== 'darwin') {
this.skip()
}
})
it('does not throw', (done) => {
const tabbedWindow = new BrowserWindow({})
assert.doesNotThrow(() => {
w.addTabbedWindow(tabbedWindow)
})
assert.strictEqual(BrowserWindow.getAllWindows().length, 3) // Test window + w + tabbedWindow
closeWindow(tabbedWindow, { assertSingleWindow: false }).then(() => {
assert.strictEqual(BrowserWindow.getAllWindows().length, 2) // Test window + w
done()
})
})
it('throws when called on itself', () => {
assert.throws(() => {
w.addTabbedWindow(w)
}, /AddTabbedWindow cannot be called by a window on itself./)
})
})
describe('BrowserWindow.setWindowButtonVisibility()', () => {
before(function () {
if (process.platform !== 'darwin') {
this.skip()
}
})
it('does not throw', () => {
assert.doesNotThrow(() => {
w.setWindowButtonVisibility(true)
w.setWindowButtonVisibility(false)
})
})
it('throws with custom title bar buttons', () => {
assert.throws(() => {
w.destroy()
w = new BrowserWindow({
show: false,
titleBarStyle: 'customButtonsOnHover',
frame: false
})
w.setWindowButtonVisibility(true)
}, /Not supported for this window/)
})
})
describe('BrowserWindow.setVibrancy(type)', () => {
it('allows setting, changing, and removing the vibrancy', () => {
assert.doesNotThrow(() => {
w.setVibrancy('light')
w.setVibrancy('dark')
w.setVibrancy(null)
w.setVibrancy('ultra-dark')
w.setVibrancy('')