f97fc6e320
* Replace the following global variables with named imports: - Gerrit._pluginLoader - Gerrit._endpoints * Update gr-app-global-var-init.js * Move reset plugins function to test-utils.js Note: This is not a recommended approach. pluginLoader and endpoints must be moved to appContext (see todo in the files gr-plugin-loader.js and gr-plugin-endpoints.js) Change-Id: Ifc3454c293fc19830f12088168e83748f67d7cff
106 lines
4.1 KiB
JavaScript
106 lines
4.1 KiB
JavaScript
/**
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* @license
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import '../scripts/bundled-polymer.js';
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import 'polymer-resin/standalone/polymer-resin.js';
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import '@polymer/iron-test-helpers/iron-test-helpers.js';
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import './test-router.js';
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import {SafeTypes} from '../behaviors/safe-types-behavior/safe-types-behavior.js';
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import {initAppContext} from '../services/app-context-init.js';
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import {_testOnly_resetPluginLoader} from '../elements/shared/gr-js-api-interface/gr-plugin-loader.js';
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security.polymer_resin.install({
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allowedIdentifierPrefixes: [''],
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reportHandler(isViolation, fmt, ...args) {
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const log = security.polymer_resin.CONSOLE_LOGGING_REPORT_HANDLER;
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log(isViolation, fmt, ...args);
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if (isViolation) {
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// This will cause the test to fail if there is a data binding
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// violation.
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throw new Error(
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'polymer-resin violation: ' + fmt +
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JSON.stringify(args));
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}
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},
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safeTypesBridge: SafeTypes.safeTypesBridge,
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});
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// Default implementations of 'fixture' and 'stub' methods in
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// web-component-tester are incorrect. Default methods calls mocha teardown
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// method to register cleanup actions. Each call to the teardown method adds
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// additional 'afterEach' hook to a suite.
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// As a result, if a suite's setup(..) method calls fixture(..) or stub(..)
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// method, then additional afterEach hook is registered before each test.
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// In overall, afterEach hook is called testCount^2 instead of testCount.
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// When tests runs with the wct test runner, the runner adds listener for
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// the 'afterEach' and tries to make some UI and log udpates. These updates
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// are quite heavy, and after about 40-50 tests each test waste 0.5-1seconds.
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//
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// Our implementation uses global teardown to clean up everything. mocha calls
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// global teardown after each test. The cleanups array stores all functions
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// which must be called after a test ends.
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//
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// Note, that fixture(...) and stub(..) methods are registered different by
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// WCT. This is why these methods implemented slightly different here.
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const cleanups = [];
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if (!window.fixture) {
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window.fixture = function(fixtureId, model) {
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// This method is inspired by WCT method
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cleanups.push(() => document.getElementById(fixtureId).restore());
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return document.getElementById(fixtureId).create(model);
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};
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} else {
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throw new Error('window.fixture must be set before wct sets it');
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}
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// On the first call to the setup, WCT installs window.fixture
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// and widnow.stub methods
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setup(() => {
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// If the following asserts fails - then window.stub is
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// overwritten by some other code.
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assert.equal(cleanups.length, 0);
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_testOnly_resetPluginLoader();
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initAppContext();
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});
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if (window.stub) {
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window.stub = function(tagName, implementation) {
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// This method is inspired by WCT method
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const proto = document.createElement(tagName).constructor.prototype;
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const stubs = Object.keys(implementation)
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.map(key => sinon.stub(proto, key, implementation[key]));
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cleanups.push(() => {
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stubs.forEach(stub => {
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stub.restore();
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});
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});
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};
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} else {
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throw new Error('window.stub must be set after wct sets it');
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}
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teardown(() => {
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// WCT incorrectly uses teardown method in the 'fixture' and 'stub'
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// implementations. This leads to slowdown WCT tests after each tests.
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// I.e. more tests in a file - longer it takes.
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// For example, gr-file-list_test.html takes approx 40 second without
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// a fix and 10 seconds with our implementation of fixture and stub.
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cleanups.forEach(cleanup => cleanup());
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cleanups.splice(0);
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});
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