electron/spec/api-ipc-main-spec.js

105 строки
2.9 KiB
JavaScript

'use strict'
const chai = require('chai')
const dirtyChai = require('dirty-chai')
const path = require('path')
const cp = require('child_process')
const { closeWindow } = require('./window-helpers')
const { emittedOnce } = require('./events-helpers')
const { expect } = chai
chai.use(dirtyChai)
const { remote } = require('electron')
const { ipcMain, BrowserWindow } = remote
describe('ipc main module', () => {
const fixtures = path.join(__dirname, 'fixtures')
let w = null
afterEach(() => closeWindow(w).then(() => { w = null }))
describe('ipc.sendSync', () => {
afterEach(() => { ipcMain.removeAllListeners('send-sync-message') })
it('does not crash when reply is not sent and browser is destroyed', (done) => {
w = new BrowserWindow({
show: false,
webPreferences: {
nodeIntegration: true
}
})
ipcMain.once('send-sync-message', (event) => {
event.returnValue = null
done()
})
w.loadFile(path.join(fixtures, 'api', 'send-sync-message.html'))
})
it('does not crash when reply is sent by multiple listeners', (done) => {
w = new BrowserWindow({
show: false,
webPreferences: {
nodeIntegration: true
}
})
ipcMain.on('send-sync-message', (event) => {
event.returnValue = null
})
ipcMain.on('send-sync-message', (event) => {
event.returnValue = null
done()
})
w.loadFile(path.join(fixtures, 'api', 'send-sync-message.html'))
})
})
describe('remote listeners', () => {
it('can be added and removed correctly', () => {
w = new BrowserWindow({ show: false })
const listener = () => {}
w.on('test', listener)
expect(w.listenerCount('test')).to.equal(1)
w.removeListener('test', listener)
expect(w.listenerCount('test')).to.equal(0)
})
})
describe('remote objects registry', () => {
it('does not dereference until the render view is deleted (regression)', (done) => {
w = new BrowserWindow({
show: false,
webPreferences: {
nodeIntegration: true
}
})
ipcMain.once('error-message', (event, message) => {
const correctMsgStart = message.startsWith('Cannot call function \'getURL\' on missing remote object')
expect(correctMsgStart).to.be.true()
done()
})
w.loadFile(path.join(fixtures, 'api', 'render-view-deleted.html'))
})
})
describe('ipcMain.on', () => {
it('is not used for internals', async () => {
const appPath = path.join(__dirname, 'fixtures', 'api', 'ipc-main-listeners')
const electronPath = remote.getGlobal('process').execPath
const appProcess = cp.spawn(electronPath, [appPath])
let output = ''
appProcess.stdout.on('data', (data) => { output += data })
await emittedOnce(appProcess.stdout, 'end')
output = JSON.parse(output)
expect(output).to.deep.equal(['error'])
})
})
})