test: move ipcMain spec (#19230)

spec-main/api-ipc-main-spec.ts

@@ -0,0 +1,81 @@
+import { expect } from 'chai'
+import * as path from 'path'
+import * as cp from 'child_process'
+import { closeAllWindows } from './window-helpers'
+import { emittedOnce } from './events-helpers'
+import { ipcMain, BrowserWindow } from 'electron'
+
+describe('ipc main module', () => {
+  const fixtures = path.join(__dirname, '..', 'spec', 'fixtures')
+
+  afterEach(closeAllWindows)
+
+  describe('ipc.sendSync', () => {
+    afterEach(() => { ipcMain.removeAllListeners('send-sync-message') })
+
+    it('does not crash when reply is not sent and browser is destroyed', (done) => {
+      const 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) => {
+      const 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 objects registry', () => {
+    it('does not dereference until the render view is deleted (regression)', (done) => {
+      const w = new BrowserWindow({
+        show: false,
+        webPreferences: {
+          nodeIntegration: true
+        }
+      })
+
+      ipcMain.once('error-message', (event, message) => {
+        expect(message).to.match(/^Cannot call method 'getURL' on missing remote object/)
+        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(fixtures, 'api', 'ipc-main-listeners')
+      const electronPath = 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'])
+    })
+  })
+})