blob: a63eda375c6dc647b0dea4677b01e72a99392784 [file] [log] [blame]
/**
* @license
* Copyright 2019 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import '../../test/common-test-setup';
import {mockPromise} from '../../test/test-utils';
import {EventEmitter} from './gr-event-interface_impl';
import {assert} from '@open-wc/testing';
suite('gr-event-interface tests', () => {
let gerrit;
setup(() => {
gerrit = window.Gerrit;
});
suite('test on Gerrit', () => {
setup(() => {
gerrit.removeAllListeners();
});
test('communicate between plugin and Gerrit', async () => {
const eventName = 'test-plugin-event';
let p;
const promise = mockPromise();
gerrit.on(eventName, e => {
assert.equal(e.value, 'test');
assert.equal(e.plugin, p);
promise.resolve();
});
gerrit.install(plugin => {
p = plugin;
gerrit.emit(eventName, {value: 'test', plugin});
}, '0.1',
'http://test.com/plugins/testplugin/static/test.js');
await promise;
});
test('listen on events from core', async () => {
const eventName = 'test-plugin-event';
const promise = mockPromise();
gerrit.on(eventName, e => {
assert.equal(e.value, 'test');
promise.resolve();
});
gerrit.emit(eventName, {value: 'test'});
await promise;
});
test('communicate across plugins', async () => {
const eventName = 'test-plugin-event';
const promise = mockPromise();
gerrit.install(plugin => {
gerrit.on(eventName, e => {
assert.equal(e.plugin.getPluginName(), 'testB');
promise.resolve();
});
}, '0.1',
'http://test.com/plugins/testA/static/testA.js');
gerrit.install(plugin => {
gerrit.emit(eventName, {plugin});
}, '0.1',
'http://test.com/plugins/testB/static/testB.js');
await promise;
});
});
suite('test on interfaces', () => {
let testObj;
class TestClass extends EventEmitter {
}
setup(() => {
testObj = new TestClass();
});
test('on', () => {
const cbStub = sinon.stub();
testObj.on('test', cbStub);
testObj.emit('test');
testObj.emit('test');
assert.isTrue(cbStub.calledTwice);
});
test('once', () => {
const cbStub = sinon.stub();
testObj.once('test', cbStub);
testObj.emit('test');
testObj.emit('test');
assert.isTrue(cbStub.calledOnce);
});
test('unsubscribe', () => {
const cbStub = sinon.stub();
const unsubscribe = testObj.on('test', cbStub);
testObj.emit('test');
unsubscribe();
testObj.emit('test');
assert.isTrue(cbStub.calledOnce);
});
test('off', () => {
const cbStub = sinon.stub();
testObj.on('test', cbStub);
testObj.emit('test');
testObj.off('test', cbStub);
testObj.emit('test');
assert.isTrue(cbStub.calledOnce);
});
test('removeAllListeners', () => {
const cbStub = sinon.stub();
testObj.on('test', cbStub);
testObj.removeAllListeners('test');
testObj.emit('test');
assert.isTrue(cbStub.notCalled);
});
});
});