зеркало из https://github.com/electron/electron.git
609 строки
20 KiB
JavaScript
609 строки
20 KiB
JavaScript
'use strict'
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const assert = require('assert')
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const http = require('http')
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const path = require('path')
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const {closeWindow} = require('./window-helpers')
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const {ipcRenderer, remote} = require('electron')
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const {ipcMain, webContents, BrowserWindow} = remote
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const comparePaths = (path1, path2) => {
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if (process.platform === 'win32') {
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path1 = path1.toLowerCase()
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path2 = path2.toLowerCase()
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}
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assert.equal(path1, path2)
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}
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describe('ipc module', () => {
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const fixtures = path.join(__dirname, 'fixtures')
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let w = null
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afterEach(() => closeWindow(w).then(() => { w = null }))
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describe('remote.require', () => {
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it('should returns same object for the same module', () => {
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const dialog1 = remote.require('electron')
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const dialog2 = remote.require('electron')
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assert.equal(dialog1, dialog2)
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})
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it('should work when object contains id property', () => {
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const a = remote.require(path.join(fixtures, 'module', 'id.js'))
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assert.equal(a.id, 1127)
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})
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it('should work when object has no prototype', () => {
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const a = remote.require(path.join(fixtures, 'module', 'no-prototype.js'))
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assert.equal(a.foo.constructor.name, '')
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assert.equal(a.foo.bar, 'baz')
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assert.equal(a.foo.baz, false)
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assert.equal(a.bar, 1234)
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assert.equal(a.anonymous.constructor.name, '')
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assert.equal(a.getConstructorName(Object.create(null)), '')
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assert.equal(a.getConstructorName(new (class {})()), '')
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})
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it('should search module from the user app', () => {
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comparePaths(path.normalize(remote.process.mainModule.filename), path.resolve(__dirname, 'static', 'main.js'))
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comparePaths(path.normalize(remote.process.mainModule.paths[0]), path.resolve(__dirname, 'static', 'node_modules'))
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})
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it('should work with function properties', () => {
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let a = remote.require(path.join(fixtures, 'module', 'export-function-with-properties.js'))
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assert.equal(typeof a, 'function')
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assert.equal(a.bar, 'baz')
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a = remote.require(path.join(fixtures, 'module', 'function-with-properties.js'))
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assert.equal(typeof a, 'object')
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assert.equal(a.foo(), 'hello')
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assert.equal(a.foo.bar, 'baz')
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assert.equal(a.foo.nested.prop, 'yes')
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assert.equal(a.foo.method1(), 'world')
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assert.equal(a.foo.method1.prop1(), 123)
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assert.ok(Object.keys(a.foo).includes('bar'))
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assert.ok(Object.keys(a.foo).includes('nested'))
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assert.ok(Object.keys(a.foo).includes('method1'))
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a = remote.require(path.join(fixtures, 'module', 'function-with-missing-properties.js')).setup()
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assert.equal(a.bar(), true)
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assert.equal(a.bar.baz, undefined)
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})
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it('should work with static class members', () => {
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const a = remote.require(path.join(fixtures, 'module', 'remote-static.js'))
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assert.equal(typeof a.Foo, 'function')
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assert.equal(a.Foo.foo(), 3)
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assert.equal(a.Foo.bar, 'baz')
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const foo = new a.Foo()
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assert.equal(foo.baz(), 123)
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})
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it('includes the length of functions specified as arguments', () => {
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const a = remote.require(path.join(fixtures, 'module', 'function-with-args.js'))
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assert.equal(a((a, b, c, d, f) => {}), 5)
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assert.equal(a((a) => {}), 1)
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assert.equal(a((...args) => {}), 0)
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})
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it('handles circular references in arrays and objects', () => {
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const a = remote.require(path.join(fixtures, 'module', 'circular.js'))
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let arrayA = ['foo']
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const arrayB = [arrayA, 'bar']
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arrayA.push(arrayB)
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assert.deepEqual(a.returnArgs(arrayA, arrayB), [
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['foo', [null, 'bar']],
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[['foo', null], 'bar']
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])
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let objectA = {foo: 'bar'}
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const objectB = {baz: objectA}
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objectA.objectB = objectB
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assert.deepEqual(a.returnArgs(objectA, objectB), [
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{foo: 'bar', objectB: {baz: null}},
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{baz: {foo: 'bar', objectB: null}}
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])
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arrayA = [1, 2, 3]
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assert.deepEqual(a.returnArgs({foo: arrayA}, {bar: arrayA}), [
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{foo: [1, 2, 3]},
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{bar: [1, 2, 3]}
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])
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objectA = {foo: 'bar'}
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assert.deepEqual(a.returnArgs({foo: objectA}, {bar: objectA}), [
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{foo: {foo: 'bar'}},
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{bar: {foo: 'bar'}}
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])
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arrayA = []
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arrayA.push(arrayA)
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assert.deepEqual(a.returnArgs(arrayA), [
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[null]
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])
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objectA = {}
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objectA.foo = objectA
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objectA.bar = 'baz'
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assert.deepEqual(a.returnArgs(objectA), [
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{foo: null, bar: 'baz'}
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])
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objectA = {}
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objectA.foo = {bar: objectA}
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objectA.bar = 'baz'
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assert.deepEqual(a.returnArgs(objectA), [
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{foo: {bar: null}, bar: 'baz'}
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])
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})
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})
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describe('remote.createFunctionWithReturnValue', () => {
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it('should be called in browser synchronously', () => {
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const buf = Buffer.from('test')
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const call = remote.require(path.join(fixtures, 'module', 'call.js'))
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const result = call.call(remote.createFunctionWithReturnValue(buf))
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assert.equal(result.constructor.name, 'Buffer')
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})
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})
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describe('remote modules', () => {
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it('includes browser process modules as properties', () => {
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assert.equal(typeof remote.app.getPath, 'function')
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assert.equal(typeof remote.webContents.getFocusedWebContents, 'function')
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assert.equal(typeof remote.clipboard.readText, 'function')
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assert.equal(typeof remote.shell.openExternal, 'function')
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})
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it('returns toString() of original function via toString()', () => {
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const {readText} = remote.clipboard
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assert(readText.toString().startsWith('function'))
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const {functionWithToStringProperty} = remote.require(path.join(fixtures, 'module', 'to-string-non-function.js'))
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assert.equal(functionWithToStringProperty.toString, 'hello')
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})
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})
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describe('remote object in renderer', () => {
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it('can change its properties', () => {
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const property = remote.require(path.join(fixtures, 'module', 'property.js'))
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assert.equal(property.property, 1127)
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property.property = null
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assert.equal(property.property, null)
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property.property = undefined
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assert.equal(property.property, undefined)
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property.property = 1007
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assert.equal(property.property, 1007)
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assert.equal(property.getFunctionProperty(), 'foo-browser')
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property.func.property = 'bar'
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assert.equal(property.getFunctionProperty(), 'bar-browser')
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property.func.property = 'foo' // revert back
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const property2 = remote.require(path.join(fixtures, 'module', 'property.js'))
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assert.equal(property2.property, 1007)
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property.property = 1127
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})
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it('rethrows errors getting/setting properties', () => {
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const foo = remote.require(path.join(fixtures, 'module', 'error-properties.js'))
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assert.throws(() => {
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// eslint-disable-next-line
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foo.bar
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}, /getting error/)
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assert.throws(() => {
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foo.bar = 'test'
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}, /setting error/)
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})
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it('can set a remote property with a remote object', () => {
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const foo = remote.require(path.join(fixtures, 'module', 'remote-object-set.js'))
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assert.doesNotThrow(() => {
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foo.bar = remote.getCurrentWindow()
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})
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})
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it('can construct an object from its member', () => {
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const call = remote.require(path.join(fixtures, 'module', 'call.js'))
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const obj = new call.constructor()
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assert.equal(obj.test, 'test')
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})
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it('can reassign and delete its member functions', () => {
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const remoteFunctions = remote.require(path.join(fixtures, 'module', 'function.js'))
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assert.equal(remoteFunctions.aFunction(), 1127)
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remoteFunctions.aFunction = () => { return 1234 }
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assert.equal(remoteFunctions.aFunction(), 1234)
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assert.equal(delete remoteFunctions.aFunction, true)
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})
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it('is referenced by its members', () => {
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let stringify = remote.getGlobal('JSON').stringify
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global.gc()
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stringify({})
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})
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})
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describe('remote value in browser', () => {
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const print = path.join(fixtures, 'module', 'print_name.js')
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const printName = remote.require(print)
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it('keeps its constructor name for objects', () => {
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const buf = Buffer.from('test')
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assert.equal(printName.print(buf), 'Buffer')
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})
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it('supports instanceof Date', () => {
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const now = new Date()
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assert.equal(printName.print(now), 'Date')
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assert.deepEqual(printName.echo(now), now)
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})
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it('supports instanceof Buffer', () => {
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const buffer = Buffer.from('test')
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assert.ok(buffer.equals(printName.echo(buffer)))
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const objectWithBuffer = {a: 'foo', b: Buffer.from('bar')}
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assert.ok(objectWithBuffer.b.equals(printName.echo(objectWithBuffer).b))
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const arrayWithBuffer = [1, 2, Buffer.from('baz')]
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assert.ok(arrayWithBuffer[2].equals(printName.echo(arrayWithBuffer)[2]))
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})
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it('supports TypedArray', () => {
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const values = [1, 2, 3, 4]
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assert.deepEqual(printName.typedArray(values), values)
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const int16values = new Int16Array([1, 2, 3, 4])
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assert.deepEqual(printName.typedArray(int16values), int16values)
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})
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})
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describe('remote promise', () => {
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it('can be used as promise in each side', (done) => {
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const promise = remote.require(path.join(fixtures, 'module', 'promise.js'))
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promise.twicePromise(Promise.resolve(1234)).then((value) => {
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assert.equal(value, 2468)
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done()
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})
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})
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it('handles rejections via catch(onRejected)', (done) => {
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const promise = remote.require(path.join(fixtures, 'module', 'rejected-promise.js'))
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promise.reject(Promise.resolve(1234)).catch((error) => {
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assert.equal(error.message, 'rejected')
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done()
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})
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})
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it('handles rejections via then(onFulfilled, onRejected)', (done) => {
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const promise = remote.require(path.join(fixtures, 'module', 'rejected-promise.js'))
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promise.reject(Promise.resolve(1234)).then(() => {}, (error) => {
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assert.equal(error.message, 'rejected')
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done()
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})
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})
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it('does not emit unhandled rejection events in the main process', (done) => {
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remote.process.once('unhandledRejection', function (reason) {
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done(reason)
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})
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const promise = remote.require(path.join(fixtures, 'module', 'unhandled-rejection.js'))
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promise.reject().then(() => {
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done(new Error('Promise was not rejected'))
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}).catch((error) => {
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assert.equal(error.message, 'rejected')
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done()
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})
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})
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it('emits unhandled rejection events in the renderer process', (done) => {
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window.addEventListener('unhandledrejection', function (event) {
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event.preventDefault()
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assert.equal(event.reason.message, 'rejected')
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done()
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})
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const promise = remote.require(path.join(fixtures, 'module', 'unhandled-rejection.js'))
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promise.reject().then(() => {
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done(new Error('Promise was not rejected'))
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})
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})
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})
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describe('remote webContents', () => {
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it('can return same object with different getters', () => {
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const contents1 = remote.getCurrentWindow().webContents
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const contents2 = remote.getCurrentWebContents()
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assert(contents1 === contents2)
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})
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})
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describe('remote class', () => {
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const cl = remote.require(path.join(fixtures, 'module', 'class.js'))
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const base = cl.base
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let derived = cl.derived
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it('can get methods', () => {
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assert.equal(base.method(), 'method')
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})
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it('can get properties', () => {
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assert.equal(base.readonly, 'readonly')
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})
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it('can change properties', () => {
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assert.equal(base.value, 'old')
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base.value = 'new'
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assert.equal(base.value, 'new')
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base.value = 'old'
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})
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it('has unenumerable methods', () => {
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assert(!base.hasOwnProperty('method'))
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assert(Object.getPrototypeOf(base).hasOwnProperty('method'))
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})
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it('keeps prototype chain in derived class', () => {
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assert.equal(derived.method(), 'method')
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assert.equal(derived.readonly, 'readonly')
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assert(!derived.hasOwnProperty('method'))
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let proto = Object.getPrototypeOf(derived)
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assert(!proto.hasOwnProperty('method'))
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assert(Object.getPrototypeOf(proto).hasOwnProperty('method'))
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})
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it('is referenced by methods in prototype chain', () => {
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let method = derived.method
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derived = null
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global.gc()
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assert.equal(method(), 'method')
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})
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})
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describe('ipc.sender.send', () => {
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it('should work when sending an object containing id property', (done) => {
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const obj = {
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id: 1,
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name: 'ly'
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}
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ipcRenderer.once('message', function (event, message) {
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assert.deepEqual(message, obj)
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done()
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})
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ipcRenderer.send('message', obj)
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})
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it('can send instances of Date', (done) => {
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const currentDate = new Date()
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ipcRenderer.once('message', function (event, value) {
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assert.equal(value, currentDate.toISOString())
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done()
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})
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ipcRenderer.send('message', currentDate)
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})
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it('can send instances of Buffer', (done) => {
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const buffer = Buffer.from('hello')
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ipcRenderer.once('message', function (event, message) {
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assert.ok(buffer.equals(message))
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done()
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})
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ipcRenderer.send('message', buffer)
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})
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it('can send objects with DOM class prototypes', (done) => {
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ipcRenderer.once('message', function (event, value) {
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assert.equal(value.protocol, 'file:')
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assert.equal(value.hostname, '')
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done()
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})
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ipcRenderer.send('message', document.location)
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})
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it('can send Electron API objects', (done) => {
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const webContents = remote.getCurrentWebContents()
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ipcRenderer.once('message', function (event, value) {
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assert.deepEqual(value.browserWindowOptions, webContents.browserWindowOptions)
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done()
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})
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ipcRenderer.send('message', webContents)
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})
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it('does not crash on external objects (regression)', (done) => {
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const request = http.request({port: 5000, hostname: '127.0.0.1', method: 'GET', path: '/'})
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const stream = request.agent.sockets['127.0.0.1:5000:'][0]._handle._externalStream
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request.on('error', () => {})
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ipcRenderer.once('message', function (event, requestValue, externalStreamValue) {
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assert.equal(requestValue.method, 'GET')
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assert.equal(requestValue.path, '/')
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assert.equal(externalStreamValue, null)
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done()
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})
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ipcRenderer.send('message', request, stream)
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})
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it('can send objects that both reference the same object', (done) => {
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const child = {hello: 'world'}
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const foo = {name: 'foo', child: child}
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const bar = {name: 'bar', child: child}
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const array = [foo, bar]
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ipcRenderer.once('message', function (event, arrayValue, fooValue, barValue, childValue) {
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assert.deepEqual(arrayValue, array)
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assert.deepEqual(fooValue, foo)
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assert.deepEqual(barValue, bar)
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assert.deepEqual(childValue, child)
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done()
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})
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ipcRenderer.send('message', array, foo, bar, child)
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})
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it('inserts null for cyclic references', (done) => {
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const array = [5]
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array.push(array)
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const child = {hello: 'world'}
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child.child = child
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ipcRenderer.once('message', function (event, arrayValue, childValue) {
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assert.equal(arrayValue[0], 5)
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assert.equal(arrayValue[1], null)
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assert.equal(childValue.hello, 'world')
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assert.equal(childValue.child, null)
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done()
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})
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ipcRenderer.send('message', array, child)
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})
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})
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describe('ipc.sendSync', () => {
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afterEach(() => {
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ipcMain.removeAllListeners('send-sync-message')
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})
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it('can be replied by setting event.returnValue', () => {
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const msg = ipcRenderer.sendSync('echo', 'test')
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assert.equal(msg, 'test')
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})
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it('does not crash when reply is not sent and browser is destroyed', (done) => {
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w = new BrowserWindow({
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show: false
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})
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ipcMain.once('send-sync-message', function (event) {
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event.returnValue = null
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done()
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})
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w.loadURL('file://' + path.join(fixtures, 'api', 'send-sync-message.html'))
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})
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it('does not crash when reply is sent by multiple listeners', (done) => {
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w = new BrowserWindow({
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show: false
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})
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ipcMain.on('send-sync-message', function (event) {
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event.returnValue = null
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})
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ipcMain.on('send-sync-message', function (event) {
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event.returnValue = null
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done()
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})
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w.loadURL('file://' + path.join(fixtures, 'api', 'send-sync-message.html'))
|
|
})
|
|
})
|
|
|
|
describe('ipcRenderer.sendTo', () => {
|
|
let contents = null
|
|
beforeEach(() => {
|
|
contents = webContents.create({})
|
|
})
|
|
afterEach(() => {
|
|
ipcRenderer.removeAllListeners('pong')
|
|
contents.destroy()
|
|
contents = null
|
|
})
|
|
|
|
it('sends message to WebContents', (done) => {
|
|
const webContentsId = remote.getCurrentWebContents().id
|
|
ipcRenderer.once('pong', function (event, id) {
|
|
assert.equal(webContentsId, id)
|
|
done()
|
|
})
|
|
contents.once('did-finish-load', () => {
|
|
ipcRenderer.sendTo(contents.id, 'ping', webContentsId)
|
|
})
|
|
contents.loadURL('file://' + path.join(fixtures, 'pages', 'ping-pong.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('detaches listeners subscribed to destroyed renderers, and shows a warning', (done) => {
|
|
w = new BrowserWindow({
|
|
show: false
|
|
})
|
|
w.webContents.once('did-finish-load', () => {
|
|
w.webContents.once('did-finish-load', () => {
|
|
const expectedMessage = [
|
|
'Attempting to call a function in a renderer window that has been closed or released.',
|
|
'Function provided here: remote-event-handler.html:11:33',
|
|
'Remote event names: remote-handler, other-remote-handler'
|
|
].join('\n')
|
|
const results = ipcRenderer.sendSync('try-emit-web-contents-event', w.webContents.id, 'remote-handler')
|
|
assert.deepEqual(results, {
|
|
warningMessage: expectedMessage,
|
|
listenerCountBefore: 2,
|
|
listenerCountAfter: 1
|
|
})
|
|
done()
|
|
})
|
|
w.webContents.reload()
|
|
})
|
|
w.loadURL('file://' + path.join(fixtures, 'api', 'remote-event-handler.html'))
|
|
})
|
|
})
|
|
|
|
it('throws an error when removing all the listeners', () => {
|
|
ipcMain.on('test-event', () => {})
|
|
assert.equal(ipcMain.listenerCount('test-event'), 1)
|
|
|
|
ipcRenderer.on('test-event', () => {})
|
|
assert.equal(ipcRenderer.listenerCount('test-event'), 1)
|
|
|
|
assert.throws(() => {
|
|
ipcMain.removeAllListeners()
|
|
}, /Removing all listeners from ipcMain will make Electron internals stop working/)
|
|
|
|
assert.throws(() => {
|
|
ipcRenderer.removeAllListeners()
|
|
}, /Removing all listeners from ipcRenderer will make Electron internals stop working/)
|
|
|
|
ipcMain.removeAllListeners('test-event')
|
|
assert.equal(ipcMain.listenerCount('test-event'), 0)
|
|
|
|
ipcRenderer.removeAllListeners('test-event')
|
|
assert.equal(ipcRenderer.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'))
|
|
})
|
|
})
|
|
})
|