moved cluster support into core, removed clustered appender, multiprocess appender
This commit is contained in:
Gareth Jones
@@ -1,116 +1,145 @@
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"use strict";
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var assert = require('assert');
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var vows = require('vows');
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var layouts = require('../lib/layouts');
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var sandbox = require('sandboxed-module');
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var LoggingEvent = require('../lib/logger').LoggingEvent;
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var cluster = require('cluster');
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var should = require('should')
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, sandbox = require('sandboxed-module');
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vows.describe('log4js cluster appender').addBatch({
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'when in master mode': {
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topic: function() {
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var registeredClusterEvents = [];
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var loggingEvents = [];
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// Fake cluster module, so no cluster listeners be really added
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var fakeCluster = {
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on: function(event, callback) {
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registeredClusterEvents.push(event);
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},
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isMaster: true,
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isWorker: false,
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};
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var fakeActualAppender = function(loggingEvent) {
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loggingEvents.push(loggingEvent);
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}
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// Load appender and fake modules in it
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var appenderModule = sandbox.require('../lib/appenders/clustered', {
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requires: {
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'cluster': fakeCluster,
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}
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});
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var masterAppender = appenderModule.appender({
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actualAppenders: [ fakeActualAppender ]
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});
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describe('log4js in a cluster', function() {
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describe('when in master mode', function() {
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// Actual test - log message using masterAppender
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masterAppender(new LoggingEvent('wovs', 'Info', ['masterAppender test']));
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var returnValue = {
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registeredClusterEvents: registeredClusterEvents,
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loggingEvents: loggingEvents,
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};
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return returnValue;
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},
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"should register 'fork' event listener on 'cluster'": function(topic) {
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assert.equal(topic.registeredClusterEvents[0], 'fork');
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},
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"should log using actual appender": function(topic) {
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assert.equal(topic.loggingEvents[0].data[0], 'masterAppender test');
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},
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},
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'when in worker mode': {
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topic: function() {
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var registeredProcessEvents = [];
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// Fake cluster module, to fake we're inside a worker process
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var fakeCluster = {
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isMaster: false,
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isWorker: true,
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};
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var fakeProcess = {
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send: function(data) {
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registeredProcessEvents.push(data);
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},
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};
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// Load appender and fake modules in it
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var appenderModule = sandbox.require('../lib/appenders/clustered', {
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requires: {
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'cluster': fakeCluster,
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},
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globals: {
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'process': fakeProcess,
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}
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});
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var workerAppender = appenderModule.appender();
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var log4js
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, clusterOnFork = false
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, workerCb
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, events = []
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, worker = {
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on: function(evt, cb) {
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evt.should.eql('message');
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this.cb = cb;
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}
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};
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// Actual test - log message using masterAppender
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workerAppender(new LoggingEvent('wovs', 'Info', ['workerAppender test']));
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var returnValue = {
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registeredProcessEvents: registeredProcessEvents,
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};
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return returnValue;
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},
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"worker appender should call process.send" : function(topic) {
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assert.equal(topic.registeredProcessEvents[0].type, '::log-message');
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assert.equal(JSON.parse(topic.registeredProcessEvents[0].event).data[0], "workerAppender test");
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}
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}
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before(function() {
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log4js = sandbox.require(
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'../lib/log4js',
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{
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requires: {
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'cluster': {
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isMaster: true,
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on: function(evt, cb) {
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evt.should.eql('fork');
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clusterOnFork = true;
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cb(worker);
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}
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},
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'./appenders/console': {
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configure: function() {
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return function(event) {
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events.push(event);
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};
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}
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}
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}
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}
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);
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});
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}).exportTo(module);
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it('should listen for fork events', function() {
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clusterOnFork.should.be.true;
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});
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it('should listen for messages from workers', function() {
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//workerCb was created in a different context to the test
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//(thanks to sandbox.require), so doesn't pick up the should prototype
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(typeof worker.cb).should.eql('function');
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});
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it('should log valid ::log4js-message events', function() {
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worker.cb({
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type: '::log4js-message',
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event: JSON.stringify({
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startTime: '2010-10-10 18:54:06',
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category: 'cheese',
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level: { levelStr: 'DEBUG' },
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data: [ "blah" ]
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})
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});
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events.should.have.length(1);
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events[0].data[0].should.eql("blah");
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events[0].category.should.eql('cheese');
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//startTime was created in a different context to the test
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//(thanks to sandbox.require), so instanceof doesn't think
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//it's a Date.
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events[0].startTime.constructor.name.should.eql('Date');
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events[0].level.toString().should.eql('DEBUG');
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});
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it('should handle invalid ::log4js-message events', function() {
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worker.cb({
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type: '::log4js-message',
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event: "biscuits"
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});
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worker.cb({
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type: '::log4js-message',
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event: JSON.stringify({
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startTime: 'whatever'
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})
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});
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events.should.have.length(3);
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events[1].data[0].should.eql('Unable to parse log:');
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events[1].data[1].should.eql('biscuits');
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events[1].category.should.eql('log4js');
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events[1].level.toString().should.eql('ERROR');
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events[2].data[0].should.eql('Unable to parse log:');
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events[2].data[1].should.eql(JSON.stringify({ startTime: 'whatever'}));
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});
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it('should ignore other events', function() {
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worker.cb({
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type: "::blah-blah",
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event: "blah"
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});
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events.should.have.length(3);
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});
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});
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describe('when in worker mode', function() {
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var log4js, events = [];
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before(function() {
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log4js = sandbox.require(
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'../lib/log4js',
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{
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requires: {
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'cluster': {
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isMaster: false,
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on: function() {}
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}
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},
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globals: {
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'process': {
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'send': function(event) {
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events.push(event);
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}
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}
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}
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}
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);
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log4js.getLogger('test').debug("just testing");
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});
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it('should emit ::log4js-message events', function() {
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events.should.have.length(1);
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events[0].type.should.eql('::log4js-message');
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events[0].event.should.be.a('string');
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var evt = JSON.parse(events[0].event);
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evt.category.should.eql('test');
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evt.level.levelStr.should.eql('DEBUG');
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evt.data[0].should.eql('just testing');
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});
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});
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});
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