split ipc tests into three files

spec/api-ipc-main-spec.js

@@ -0,0 +1,87 @@
+'use strict'
+
+const assert = require('assert')
+const http = require('http')
+const path = require('path')
+const {closeWindow} = require('./window-helpers')
+
+const {ipcRenderer, remote} = require('electron')
+const {ipcMain, webContents, BrowserWindow} = remote
+
+const comparePaths = (path1, path2) => {
+  if (process.platform === 'win32') {
+    path1 = path1.toLowerCase()
+    path2 = path2.toLowerCase()
+  }
+  assert.equal(path1, path2)
+}
+
+describe.only('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 })
+      ipcMain.once('send-sync-message', (event) => {
+        event.returnValue = null
+        done()
+      })
+      w.loadURL(`file://${path.join(fixtures, 'api', 'send-sync-message.html')}`)
+    })
+
+    it('does not crash when reply is sent by multiple listeners', (done) => {
+      w = new BrowserWindow({ show: false })
+      ipcMain.on('send-sync-message', (event) => {
+        event.returnValue = null
+      })
+      ipcMain.on('send-sync-message', (event) => {
+        event.returnValue = null
+        done()
+      })
+      w.loadURL(`file://${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)
+      assert.equal(w.listenerCount('test'), 1)
+      w.removeListener('test', listener)
+      assert.equal(w.listenerCount('test'), 0)
+    })
+  })
+
+  it('throws an error when removing all the listeners', () => {
+    ipcMain.on('test-event', () => {})
+    assert.equal(ipcMain.listenerCount('test-event'), 1)
+
+    assert.throws(() => {
+      ipcMain.removeAllListeners()
+    }, /Removing all listeners from ipcMain will make Electron internals stop working/)
+
+    ipcMain.removeAllListeners('test-event')
+    assert.equal(ipcMain.listenerCount('test-event'), 0)
+  })
+
+  describe('remote objects registry', () => {
+    it('does not dereference until the render view is deleted (regression)', (done) => {
+      w = new BrowserWindow({ show: false })
+
+      ipcMain.once('error-message', (event, message) => {
+        assert(message.startsWith('Cannot call function \'getURL\' on missing remote object'), message)
+        done()
+      })
+
+      w.loadURL(`file://${path.join(fixtures, 'api', 'render-view-deleted.html')}`)
+    })
+  })
+})