improved coverage of gelf appender
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2e7f6e5a66
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@ -3,12 +3,15 @@ var vows = require('vows')
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, assert = require('assert')
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, sandbox = require('sandboxed-module')
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, log4js = require('../lib/log4js')
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, realLayouts = require('../lib/layouts')
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, setupLogging = function(options, category, compressedLength) {
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var fakeDgram = {
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sent: false,
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socket: {
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packetLength: 0,
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closed: false,
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close: function() {
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this.closed = true;
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},
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send: function(pkt, offset, pktLength, port, host) {
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fakeDgram.sent = true;
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@ -27,6 +30,11 @@ var vows = require('vows')
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, fakeZlib = {
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gzip: function(objectToCompress, callback) {
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fakeZlib.uncompressed = objectToCompress;
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if (this.shouldError) {
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callback({ stack: "oh noes" });
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return;
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}
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if (compressedLength) {
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callback(null, { length: compressedLength });
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} else {
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@ -34,10 +42,35 @@ var vows = require('vows')
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}
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}
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}
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, exitHandler
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, fakeConsole = {
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error: function(message) {
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this.message = message;
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}
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}
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, fakeLayouts = {
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layout: function(type, options) {
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this.type = type;
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this.options = options;
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return realLayouts.messagePassThroughLayout;
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},
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messagePassThroughLayout: realLayouts.messagePassThroughLayout
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}
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, appender = sandbox.require('../lib/appenders/gelf', {
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requires: {
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dgram: fakeDgram,
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zlib: fakeZlib
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zlib: fakeZlib,
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'../layouts': fakeLayouts
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},
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globals: {
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process: {
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on: function(evt, handler) {
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if (evt === 'exit') {
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exitHandler = handler;
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}
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}
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},
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console: fakeConsole
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}
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});
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@ -46,12 +79,13 @@ var vows = require('vows')
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return {
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dgram: fakeDgram,
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compress: fakeZlib,
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exitHandler: exitHandler,
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console: fakeConsole,
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layouts: fakeLayouts,
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logger: log4js.getLogger(category || "gelf-test")
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};
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};
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//log4js.configure({ doNotReplaceConsole: true });
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vows.describe('log4js gelfAppender').addBatch({
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'with default gelfAppender settings': {
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@ -135,5 +169,44 @@ vows.describe('log4js gelfAppender').addBatch({
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assert.equal(message.facility, 'nonsense');
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}
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}
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},
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'on process.exit': {
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topic: function() {
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var setup = setupLogging();
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setup.exitHandler();
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return setup;
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},
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'should close open sockets': function(setup) {
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assert.isTrue(setup.dgram.socket.closed);
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}
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},
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'on zlib error': {
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topic: function() {
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var setup = setupLogging();
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setup.compress.shouldError = true;
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setup.logger.info('whatever');
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return setup;
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},
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'should output to console.error': function(setup) {
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assert.equal(setup.console.message, 'oh noes');
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}
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},
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'with layout in configuration': {
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topic: function() {
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var setup = setupLogging({
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layout: {
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type: 'madeuplayout',
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earlgrey: 'yes, please'
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}
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});
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return setup;
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},
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'should pass options to layout': function(setup) {
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assert.equal(setup.layouts.type, 'madeuplayout');
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assert.equal(setup.layouts.options.earlgrey, 'yes, please');
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}
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}
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}).export(module);
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