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message-log-test.js
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message-log-test.js
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/**
* Copyright 2017 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
/* eslint-env mocha */
const assert = require('assert');
const MessageLog = require('../../../gather/connections/message-log');
describe('MessageLog', () => {
let messageLog;
const pageMsg = {method: 'Page.frameStartedLoading'};
const networkMsg = {method: 'Network.requestWillBeSent'};
const otherMsg = {method: 'Storage.cleared'};
beforeEach(() => messageLog = new MessageLog());
it('returns an array', () => {
assert.deepEqual(messageLog.messages, []);
});
it('records only when requested', () => {
messageLog.record(pageMsg); // will not record
messageLog.beginRecording();
messageLog.record(networkMsg); // will record
messageLog.endRecording();
messageLog.record(pageMsg); // will not record
assert.equal(messageLog.messages.length, 1);
assert.equal(messageLog.messages[0].method, networkMsg.method);
});
it('does not record non-Network/Page events', () => {
messageLog.beginRecording();
messageLog.record(pageMsg); // will record
messageLog.record(networkMsg); // will record
messageLog.record(otherMsg); // won't record
messageLog.endRecording();
assert.equal(messageLog.messages.length, 2);
assert.equal(messageLog.messages[0].method, pageMsg.method);
});
it('resets properly', () => {
messageLog.beginRecording();
messageLog.record(pageMsg);
messageLog.record(pageMsg);
messageLog.endRecording();
messageLog.reset();
messageLog.beginRecording();
messageLog.record(pageMsg);
messageLog.endRecording();
assert.equal(messageLog.messages.length, 1);
});
});