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/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/* eslint-disable max-nested-callbacks */
/*jscs:disable jsDoc*/
define([
'Magento_Ui/js/lib/logger/logger',
'Magento_Ui/js/lib/logger/levels-pool'
], function (Logger, levelsPoll) {
'use strict';
var levels = levelsPoll.getLevels(),
entryHandler,
entryFactory;
function LogEntry(message, level, data) {
this.message = message;
this.level = level;
this.data = data;
}
function createLogger() {
entryHandler = {
show: function () {},
dump: function () {}
};
entryFactory = {
createEntry: function (message, level, data) {
return new LogEntry(message, level, data);
}
};
return new Logger(entryHandler, entryFactory);
}
describe('Magento_Ui/js/lib/logger/logger', function () {
afterEach(function () {
entryHandler = null;
entryFactory = null;
});
describe('setDisplayLevel', function () {
it('prevents logging for levels lower than the provided one', function () {
var logger = createLogger();
spyOn(entryHandler, 'show');
logger.setDisplayLevel(levels.WARN);
logger.info('info');
logger.warn('warn');
expect(entryHandler.show).toHaveBeenCalledTimes(1);
expect(entryHandler.show).toHaveBeenCalledWith(jasmine.objectContaining({
message: 'warn'
}));
logger.setDisplayLevel(levels.DEBUG);
logger.info('info');
expect(entryHandler.show).toHaveBeenCalledTimes(2);
expect(entryHandler.show).toHaveBeenCalledWith(jasmine.objectContaining({
message: 'info'
}));
});
it('allows to prevent all messages from being logged', function () {
var logger = createLogger();
spyOn(entryHandler, 'show');
logger.setDisplayLevel(levels.NONE);
logger.error('error');
expect(entryHandler.show).not.toHaveBeenCalled();
});
it('allows to remove level-related constraints', function () {
var logger = createLogger();
spyOn(entryHandler, 'show');
logger.setDisplayLevel(levels.ERROR);
logger.info('info');
expect(entryHandler.show).not.toHaveBeenCalled();
logger.setDisplayLevel(levels.ALL);
logger.info('info');
expect(entryHandler.show).toHaveBeenCalledWith(jasmine.objectContaining({
message: 'info'
}));
});
it('throws an error if provided value is not defined in the levels list', function () {
var logger = createLogger();
expect(function () {
logger.setDisplayLevel(22);
}).toThrow();
});
});
describe('addDisplayCriteria', function () {
it('applies the criteria by which log messages may be filtered out', function () {
var logger = createLogger(),
spy = jasmine.createSpy();
spyOn(entryHandler, 'show');
logger.setDisplayLevel(levels.ALL);
logger.addDisplayCriteria(function (entry) {
spy();
expect(this).toBe(logger);
expect(entry instanceof LogEntry).toBe(true);
return entry.message === 'passed message';
});
logger.info('passed message');
logger.info('blocked message');
expect(spy).toHaveBeenCalledTimes(2);
expect(entryHandler.show).toHaveBeenCalledTimes(1);
expect(entryHandler.show).toHaveBeenCalledWith(jasmine.objectContaining({
message: 'passed message'
}));
});
});
describe('removeDisplayCriteria', function () {
it('removes previously applied filter criteria', function () {
var logger = createLogger(),
criteria = function () {
return false;
};
spyOn(entryHandler, 'show');
logger.setDisplayLevel(levels.ALL);
logger.addDisplayCriteria(criteria);
logger.info('blocked message');
expect(entryHandler.show).not.toHaveBeenCalled();
logger.removeDisplayCriteria(criteria);
logger.info('passed message');
expect(entryHandler.show).toHaveBeenCalledTimes(1);
expect(entryHandler.show).toHaveBeenCalledWith(jasmine.objectContaining({
message: 'passed message'
}));
});
});
describe('error', function () {
it('creates an instance of the "error" entry', function () {
var logger = createLogger(),
logData = {},
entry;
spyOn(entryHandler, 'show');
spyOn(entryFactory, 'createEntry').and.callThrough();
entry = logger.error('error message', logData);
expect(entry instanceof LogEntry).toBe(true);
expect(entryHandler.show).toHaveBeenCalledWith(entry);
expect(entryFactory.createEntry).toHaveBeenCalledWith(
'error message',
levels.ERROR,
logData
);
});
});
describe('warn', function () {
it('creates an instance of the "warn" entry', function () {
var logger = createLogger(),
logData = {},
entry;
spyOn(entryHandler, 'show');
spyOn(entryFactory, 'createEntry').and.callThrough();
logger.setDisplayLevel(levels.WARN);
entry = logger.warn('warn message', logData);
expect(entry instanceof LogEntry).toBe(true);
expect(entryHandler.show).toHaveBeenCalledWith(entry);
expect(entryFactory.createEntry).toHaveBeenCalledWith(
'warn message',
levels.WARN,
logData
);
});
});
describe('info', function () {
it('creates an instance of the "info" entry', function () {
var logger = createLogger(),
logData = {},
entry;
logger.setDisplayLevel(levels.ALL);
spyOn(entryHandler, 'show');
spyOn(entryFactory, 'createEntry').and.callThrough();
entry = logger.info('info message', logData);
expect(entry instanceof LogEntry).toBe(true);
expect(entryHandler.show).toHaveBeenCalledWith(entry);
expect(entryFactory.createEntry).toHaveBeenCalledWith(
'info message',
levels.INFO,
logData
);
});
});
describe('debug', function () {
it('creates an instance of the "debug" entry', function () {
var logger = createLogger(),
logData = {},
entry;
logger.setDisplayLevel(levels.ALL);
spyOn(entryHandler, 'show');
spyOn(entryFactory, 'createEntry').and.callThrough();
entry = logger.debug('debug message', logData);
expect(entry instanceof LogEntry).toBe(true);
expect(entryHandler.show).toHaveBeenCalledWith(entry);
expect(entryFactory.createEntry).toHaveBeenCalledWith(
'debug message',
levels.DEBUG,
logData
);
});
});
describe('dump', function () {
it('displays previously collected entries', function () {
var logger = createLogger(),
entries,
infoLog,
errorLog;
spyOn(entryHandler, 'dump');
logger.setDisplayLevel(levels.ALL);
infoLog = logger.info('info message');
errorLog = logger.error('error message');
logger.dump();
entries = entryHandler.dump.calls.mostRecent().args[0];
expect(entries.length).toBe(2);
expect(entries[0]).toBe(infoLog);
expect(entries[1]).toBe(errorLog);
});
it('applies existing display criteria', function () {
var logger = createLogger(),
entries,
infoLog;
spyOn(entryHandler, 'dump');
logger.setDisplayLevel(levels.ALL);
logger.addDisplayCriteria(function (entry) {
return entry.message === 'info message';
});
infoLog = logger.info('info message');
logger.error('error message');
logger.dump();
entries = entryHandler.dump.calls.mostRecent().args[0];
expect(entries.length).toBe(1);
expect(entries[0]).toBe(infoLog);
});
it('accepts custom display criteria', function () {
var logger = createLogger(),
entries,
infoLog;
spyOn(entryHandler, 'dump');
logger.setDisplayLevel(levels.ALL);
infoLog = logger.info('info message');
logger.error('error message');
logger.dump(function (entry) {
return entry.message === 'info message';
});
entries = entryHandler.dump.calls.mostRecent().args[0];
expect(entries.length).toBe(1);
expect(entries[0]).toBe(infoLog);
});
});
describe('getEntries', function () {
it('returns all log entries', function () {
var logger = createLogger(),
entries;
logger.setDisplayLevel(levels.ERROR);
logger.info('info message');
logger.error('error message');
entries = logger.getEntries();
expect(entries.length).toBe(2);
expect(entries[0].message).toBe('info message');
expect(entries[1].message).toBe('error message');
});
it('filters log entries by provided criteria', function () {
var logger = createLogger(),
entries;
logger.setDisplayLevel(levels.ERROR);
logger.info('info message');
logger.error('error message');
entries = logger.getEntries(function (entry) {
return entry.message === 'info message';
});
expect(entries.length).toBe(1);
expect(entries[0].message).toBe('info message');
});
});
});
});