logger.test.js
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/*
* ADOBE CONFIDENTIAL
* __________________
*
* Copyright 2016 Adobe Systems Incorporated
* All Rights Reserved.
*
* NOTICE: All information contained herein is, and remains
* the property of Adobe Systems Incorporated and its suppliers,
* if any. The intellectual and technical concepts contained
* herein are proprietary to Adobe Systems Incorporated and its
* suppliers and are protected by trade secret or copyright law.
* Dissemination of this information or reproduction of this material
* is strictly forbidden unless prior written permission is obtained
* from Adobe Systems Incorporated.
*/
/* eslint max-nested-callbacks: [2, 10]*/
/* eslint no-new: 0 */
/* globals console, sinon, describe, expect, it, beforeEach, afterEach */
define(['screens/player/log/logger'], function(Logger) {
'use strict';
var logger = null;
var debugMessage = 'test the output';
beforeEach(function() {
logger = new Logger('test');
});
afterEach(function() {
// @todo reset logger
logger = null;
});
describe('screens/player/log/logger', function() {
describe('# default writing', function() {
it('must call custom writer', function() {
logger.setWriter({
write: function(date, level, message) {
expect(message).to.contain(debugMessage);
}
});
logger.debug(debugMessage);
});
it('must output debug', function() {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.DEBUG);
}
});
logger.debug(debugMessage);
});
it('must output info', function() {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.INFO);
}
});
logger.info(debugMessage);
});
it('must output warn', function() {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.WARN);
}
});
logger.warn(debugMessage);
});
it('must output error', function() {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.ERROR);
}
});
logger.error(debugMessage);
});
it('must output trace', function() {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.DEBUG);
}
});
logger.trace();
});
});
describe('# must patch the default browser console', function() {
beforeEach(function() {
Logger.patchConsole(logger);
});
afterEach(function() {
Logger.patchConsole(false);
});
it('must override console.log()', function(done) {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.DEBUG);
expect(message).to.contain(debugMessage);
done();
}
});
console.log(debugMessage);
});
it('must override console.debug()', function(done) {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.DEBUG);
expect(message).to.contain(debugMessage);
done();
}
});
console.debug(debugMessage);
});
it('must override console.info()', function(done) {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.INFO);
expect(message).to.contain(debugMessage);
done();
}
});
console.info(debugMessage);
});
it('must override console.warn()', function(done) {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.WARN);
expect(message).to.contain(debugMessage);
done();
}
});
console.warn(debugMessage);
});
it('must override console.error()', function(done) {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.ERROR);
expect(message).to.contain(debugMessage);
done();
}
});
console.error(debugMessage);
});
it('must override console.trace()', function(done) {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.DEBUG);
done();
}
});
console.trace();
});
});
describe('# print to the default browser console', function() {
afterEach(function() {
Logger.catchExceptions(false);
Logger.patchConsole(false);
logger.print(false);
});
it('must not print to the console by default', function(done) {
console.info = function() {
done('Must not print to the console');
};
logger.setWriter({
write: function(date, level, message) {
done();
}
});
logger.info(debugMessage);
});
it('print() must activate output to the browser console', function(done) {
console.info = function() {
done();
};
logger.print();
logger.info(debugMessage);
});
it('print() and catchException() must output uncaught errors to the browser console', function(done) {
Logger.catchExceptions(logger);
var originalConsoleError = console.error;
logger.setWriter({
write: function(date, level, message) {
}
});
console.error = function(e) {
expect(e.toString()).to.contain(debugMessage);
console.error = originalConsoleError;
done();
};
logger.print();
// Throw Error in setTimout because a sync error will be
// usually caught by the Testing Framework.
setTimeout(function() {
throw new Error(debugMessage);
}, 0);
});
it('print() and patchConsole() must output to the browser console and the log', function(done) {
var callCount = 0;
var callback = function() { // needs to be called twice
callCount++;
if (callCount === 2) {
done();
}
};
// set the writer
logger.setWriter({
write: callback
});
logger.print();
// set the console object
console.info = callback;
// let the logger patch the console
Logger.patchConsole(logger);
console.info(debugMessage);
});
});
describe('# catch exceptions globally', function() {
beforeEach(function() {
Logger.catchExceptions(logger);
});
afterEach(function() {
Logger.catchExceptions(false);
});
it('must catch uncaught Javascript exceptions', function(done) {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.ERROR);
expect(message).to.contain(debugMessage);
done();
}
});
setTimeout(function() {
throw new Error(debugMessage);
}, 0);
});
it('must catch loading errors of scripts', function(done) {
logger.setWriter({
write: function(date, level, message) {
expect(level).equals(Logger.LEVEL.ERROR);
expect(message).to.contain('Error during loading ');
expect(message).to.contain('/path/to/a/non/existing/file.js');
done();
}
});
setTimeout(function() {
var scriptEl = document.createElement('script');
scriptEl.src = '/path/to/a/non/existing/file.js';
window.document.body.appendChild(scriptEl);
}, 0);
});
});
describe('# limit log level', function() {
beforeEach(function() {
logger.setLevel(Logger.LEVEL.ERROR);
});
afterEach(function() {
logger.setLevel(Logger.LEVEL.DEBUG);
});
it('must write the configured log level', function() {
var spy = sinon.spy();
logger.setWriter({
write: spy
});
logger.error(debugMessage);
expect(spy.called).to.be.true;
});
it('must not write beneath the configured log level', function() {
var spy = sinon.spy();
logger.setWriter({
write: spy
});
logger.debug(debugMessage);
expect(spy.called).to.be.false;
});
});
});
});