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102 lines
4.0 KiB
JavaScript
102 lines
4.0 KiB
JavaScript
/**
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* Copyright 2017 Google Inc. All rights reserved.
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* Modifications copyright (c) Microsoft Corporation.
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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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/**
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* @param {Map<string, boolean>} apiCoverage
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* @param {Object} events
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* @param {string} className
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* @param {!Object} classType
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*/
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function traceAPICoverage(apiCoverage, events, className, classType) {
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className = className.substring(0, 1).toLowerCase() + className.substring(1);
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for (const methodName of Reflect.ownKeys(classType.prototype)) {
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const method = Reflect.get(classType.prototype, methodName);
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if (methodName === 'constructor' || typeof methodName !== 'string' || methodName.startsWith('_') || typeof method !== 'function')
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continue;
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apiCoverage.set(`${className}.${methodName}`, false);
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Reflect.set(classType.prototype, methodName, function(...args) {
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apiCoverage.set(`${className}.${methodName}`, true);
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return method.call(this, ...args);
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});
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}
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if (events[classType.name]) {
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for (const event of Object.values(events[classType.name])) {
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if (typeof event !== 'symbol')
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apiCoverage.set(`${className}.emit(${JSON.stringify(event)})`, false);
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}
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const method = Reflect.get(classType.prototype, 'emit');
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Reflect.set(classType.prototype, 'emit', function(event, ...args) {
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if (typeof event !== 'symbol' && this.listenerCount(event))
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apiCoverage.set(`${className}.emit(${JSON.stringify(event)})`, true);
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return method.call(this, event, ...args);
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});
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}
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}
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describe.skip(!process.env.COVERAGE)('**API COVERAGE**', () => {
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const BROWSER_CONFIGS = [
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{
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name: 'Firefox',
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events: require('../lib/events').Events,
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missingCoverage: ['browserContext.setGeolocation', 'browserContext.setOffline', 'cDPSession.send', 'cDPSession.detach'],
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},
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{
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name: 'WebKit',
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events: require('../lib/events').Events,
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missingCoverage: ['browserContext.clearPermissions', 'cDPSession.send', 'cDPSession.detach'],
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},
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{
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name: 'Chromium',
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events: {
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...require('../lib/events').Events,
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...require('../lib/chromium/events').Events,
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},
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missingCoverage: [],
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},
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];
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const browserConfig = BROWSER_CONFIGS.find(config => config.name.toLowerCase() === browserType.name());
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const events = browserConfig.events;
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const api = require('../lib/api');
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const coverage = new Map();
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Object.keys(api).forEach(apiName => {
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if (BROWSER_CONFIGS.some(config => apiName.startsWith(config.name)) && !apiName.startsWith(browserConfig.name))
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return;
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traceAPICoverage(coverage, events, apiName, api[apiName]);
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});
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it('should call all API methods', () => {
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const ignoredMethods = new Set(browserConfig.missingCoverage);
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const missingMethods = [];
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const extraIgnoredMethods = [];
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for (const method of coverage.keys()) {
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// Sometimes we already have a background page while launching, before adding a listener.
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if (method === 'chromiumBrowserContext.emit("backgroundpage")')
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continue;
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if (!coverage.get(method) && !ignoredMethods.has(method))
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missingMethods.push(method);
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else if (coverage.get(method) && ignoredMethods.has(method))
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extraIgnoredMethods.push(method);
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}
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if (extraIgnoredMethods.length)
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throw new Error('Certain API Methods are called and should not be ignored: ' + extraIgnoredMethods.join(', '));
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if (missingMethods.length)
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throw new Error('Certain API Methods are not called: ' + missingMethods.join(', '));
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});
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});
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