moved hookio appender to log4js-hookio
This commit is contained in:
Gareth Jones
parent
c3d3a8c363
commit
b12a39ac79
@ -1,76 +0,0 @@
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"use strict";
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var log4js = require('../log4js')
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, layouts = require('../layouts')
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, Hook = require('hook.io').Hook
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, util = require('util');
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var Logger = function createLogger(options) {
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var self = this;
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var actualAppender = options.actualAppender;
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Hook.call(self, options);
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self.on('hook::ready', function hookReady() {
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self.on('*::' + options.name + '::log', function log(loggingEvent) {
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deserializeLoggingEvent(loggingEvent);
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actualAppender(loggingEvent);
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});
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});
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};
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util.inherits(Logger, Hook);
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function deserializeLoggingEvent(loggingEvent) {
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loggingEvent.startTime = new Date(loggingEvent.startTime);
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loggingEvent.level.toString = function levelToString() {
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return loggingEvent.level.levelStr;
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};
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}
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function initHook(hookioOptions) {
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var loggerHook;
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if (hookioOptions.mode === 'master') {
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// Start the master hook, handling the actual logging
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loggerHook = new Logger(hookioOptions);
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} else {
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// Start a worker, just emitting events for a master
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loggerHook = new Hook(hookioOptions);
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}
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loggerHook.start();
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return loggerHook;
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}
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function getBufferedHook(hook, eventName) {
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var hookBuffer = [];
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var hookReady = false;
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hook.on('hook::ready', function emptyBuffer() {
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hookBuffer.forEach(function logBufferItem(loggingEvent) {
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hook.emit(eventName, loggingEvent);
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});
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hookReady = true;
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});
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return function log(loggingEvent) {
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if (hookReady) {
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hook.emit(eventName, loggingEvent);
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} else {
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hookBuffer.push(loggingEvent);
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}
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};
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}
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function createAppender(hookioOptions) {
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var loggerHook = initHook(hookioOptions);
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var loggerEvent = hookioOptions.name + '::log';
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return getBufferedHook(loggerHook, loggerEvent);
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}
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function configure(config) {
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var actualAppender;
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if (config.appender && config.mode === 'master') {
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log4js.loadAppender(config.appender.type);
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actualAppender = log4js.appenderMakers[config.appender.type](config.appender);
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config.actualAppender = actualAppender;
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}
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return createAppender(config);
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}
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exports.appender = createAppender;
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exports.configure = configure;
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@ -1,176 +0,0 @@
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"use strict";
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var vows = require('vows')
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, assert = require('assert')
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, sandbox = require('sandboxed-module');
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function fancyResultingHookioAppender(hookNotReady) {
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var emitHook = !hookNotReady
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, result = { ons: {}, emissions: {}, logged: [], configs: [] };
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var fakeLog4Js = {
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appenderMakers: {}
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};
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fakeLog4Js.loadAppender = function (appender) {
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fakeLog4Js.appenderMakers[appender] = function (config) {
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result.actualLoggerConfig = config;
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return function log(logEvent) {
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result.logged.push(logEvent);
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};
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};
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};
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var fakeHookIo = { Hook: function(config) { result.configs.push(config); } };
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fakeHookIo.Hook.prototype.start = function () {
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result.startCalled = true;
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};
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fakeHookIo.Hook.prototype.on = function (eventName, functionToExec) {
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result.ons[eventName] = { functionToExec: functionToExec };
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if (emitHook && eventName === 'hook::ready') {
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functionToExec();
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}
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};
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fakeHookIo.Hook.prototype.emit = function (eventName, data) {
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result.emissions[eventName] = result.emissions[eventName] || [];
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result.emissions[eventName].push({data: data});
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var on = '*::' + eventName;
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if (eventName !== 'hook::ready' && result.ons[on]) {
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result.ons[on].callingCount =
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result.ons[on].callingCount ? result.ons[on].callingCount += 1 : 1;
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result.ons[on].functionToExec(data);
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}
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};
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return { theResult: result,
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theModule: sandbox.require('../lib/appenders/hookio', {
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requires: {
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'../log4js': fakeLog4Js,
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'hook.io': fakeHookIo
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}
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})
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};
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}
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vows.describe('log4js hookioAppender').addBatch({
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'master': {
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topic: function() {
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var fancy = fancyResultingHookioAppender();
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var logger = fancy.theModule.configure(
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{
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name: 'ohno',
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mode: 'master',
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'hook-port': 5001,
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appender: { type: 'file' }
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}
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);
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logger(
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{
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level: { levelStr: 'INFO' },
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data: "ALRIGHTY THEN",
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startTime: '2011-10-27T03:53:16.031Z'
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}
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);
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logger(
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{
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level: { levelStr: 'DEBUG' },
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data: "OH WOW",
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startTime: '2011-10-27T04:53:16.031Z'
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}
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);
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return fancy.theResult;
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},
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'should write to the actual appender': function (result) {
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assert.isTrue(result.startCalled);
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assert.equal(result.configs.length, 1);
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assert.equal(result.configs[0]['hook-port'], 5001);
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assert.equal(result.logged.length, 2);
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assert.equal(result.emissions['ohno::log'].length, 2);
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assert.equal(result.ons['*::ohno::log'].callingCount, 2);
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},
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'data written should be formatted correctly': function (result) {
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assert.equal(result.logged[0].level.toString(), 'INFO');
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assert.equal(result.logged[0].data, 'ALRIGHTY THEN');
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assert.isTrue(typeof(result.logged[0].startTime) === 'object');
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assert.equal(result.logged[1].level.toString(), 'DEBUG');
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assert.equal(result.logged[1].data, 'OH WOW');
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assert.isTrue(typeof(result.logged[1].startTime) === 'object');
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},
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'the actual logger should get the right config': function (result) {
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assert.equal(result.actualLoggerConfig.type, 'file');
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}
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},
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'worker': {
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'should emit logging events to the master': {
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topic: function() {
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var fancy = fancyResultingHookioAppender();
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var logger = fancy.theModule.configure({
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name: 'ohno',
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mode: 'worker',
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appender: { type: 'file' }
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});
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logger({
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level: { levelStr: 'INFO' },
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data: "ALRIGHTY THEN",
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startTime: '2011-10-27T03:53:16.031Z'
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});
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logger({
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level: { levelStr: 'DEBUG' },
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data: "OH WOW",
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startTime: '2011-10-27T04:53:16.031Z'
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});
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return fancy.theResult;
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},
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'should not write to the actual appender': function (result) {
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assert.isTrue(result.startCalled);
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assert.equal(result.logged.length, 0);
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assert.equal(result.emissions['ohno::log'].length, 2);
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assert.isUndefined(result.ons['*::ohno::log']);
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}
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}
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},
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'when hook not ready': {
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topic: function() {
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var fancy = fancyResultingHookioAppender(true)
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, logger = fancy.theModule.configure({
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name: 'ohno',
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mode: 'worker'
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});
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logger({
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level: { levelStr: 'INFO' },
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data: "something",
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startTime: '2011-10-27T03:45:12.031Z'
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});
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return fancy;
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},
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'should buffer the log events': function(fancy) {
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assert.isUndefined(fancy.theResult.emissions['ohno::log']);
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},
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},
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'when hook ready': {
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topic: function() {
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var fancy = fancyResultingHookioAppender(true)
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, logger = fancy.theModule.configure({
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name: 'ohno',
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mode: 'worker'
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});
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logger({
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level: { levelStr: 'INFO' },
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data: "something",
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startTime: '2011-10-27T03:45:12.031Z'
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});
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fancy.theResult.ons['hook::ready'].functionToExec();
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return fancy;
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},
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'should emit the buffered events': function(fancy) {
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assert.equal(fancy.theResult.emissions['ohno::log'].length, 1);
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}
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}
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}).exportTo(module);
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