electron/spec/api-ipc-spec.js

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const assert = require('assert');
const path = require('path');
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const ipcRenderer = require('electron').ipcRenderer;
const remote = require('electron').remote;
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const ipcMain = remote.require('electron').ipcMain;
const BrowserWindow = remote.require('electron').BrowserWindow;
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const comparePaths = function(path1, path2) {
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if (process.platform === 'win32') {
path1 = path1.toLowerCase();
path2 = path2.toLowerCase();
}
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assert.equal(path1, path2);
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};
describe('ipc module', function() {
var fixtures = path.join(__dirname, 'fixtures');
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describe('remote.require', function() {
it('should returns same object for the same module', function() {
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var dialog1 = remote.require('electron');
var 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', function() {
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var a = remote.require(path.join(fixtures, 'module', 'id.js'));
assert.equal(a.id, 1127);
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});
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it('should search module from the user app', function() {
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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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describe('remote.createFunctionWithReturnValue', function() {
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it('should be called in browser synchronously', function() {
var buf = new Buffer('test');
var call = remote.require(path.join(fixtures, 'module', 'call.js'));
var result = call.call(remote.createFunctionWithReturnValue(buf));
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assert.equal(result.constructor.name, 'Buffer');
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});
});
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describe('remote object in renderer', function() {
it('can change its properties', function() {
var property = remote.require(path.join(fixtures, 'module', 'property.js'));
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assert.equal(property.property, 1127);
property.property = 1007;
assert.equal(property.property, 1007);
var 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('can construct an object from its member', function() {
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var call = remote.require(path.join(fixtures, 'module', 'call.js'));
var obj = new call.constructor;
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assert.equal(obj.test, 'test');
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});
});
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describe('remote value in browser', function() {
var print = path.join(fixtures, 'module', 'print_name.js');
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it('keeps its constructor name for objects', function() {
var buf = new Buffer('test');
var print_name = remote.require(print);
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assert.equal(print_name.print(buf), 'Buffer');
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});
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it('supports instanceof Date', function() {
var now = new Date();
var print_name = remote.require(print);
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assert.equal(print_name.print(now), 'Date');
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assert.deepEqual(print_name.echo(now), now);
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});
});
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describe('remote promise', function() {
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it('can be used as promise in each side', function(done) {
var promise = remote.require(path.join(fixtures, 'module', 'promise.js'));
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promise.twicePromise(Promise.resolve(1234)).then(function(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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describe('ipc.sender.send', function() {
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it('should work when sending an object containing id property', function(done) {
var obj = {
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id: 1,
name: 'ly'
};
ipcRenderer.once('message', function(event, message) {
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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describe('ipc.sendSync', function() {
it('can be replied by setting event.returnValue', function() {
var 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', function(done) {
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this.timeout(10000);
var w = new BrowserWindow({
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show: false
});
ipcMain.once('send-sync-message', function(event) {
event.returnValue = null;
w.destroy();
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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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describe('remote listeners', function() {
var w = null;
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afterEach(function() {
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w.destroy();
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});
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it('can be added and removed correctly', function() {
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w = new BrowserWindow({
show: false
});
var listener = function() {};
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w.on('test', listener);
assert.equal(w.listenerCount('test'), 1);
w.removeListener('test', listener);
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assert.equal(w.listenerCount('test'), 0);
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});
});
});