added more gelf tests
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Gareth Jones
parent
0a422e5749
commit
cff20b99e3
@ -4,6 +4,25 @@ var levels = require('../levels');
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var dgram = require('dgram');
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var util = require('util');
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var LOG_EMERG=0; // system is unusable
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var LOG_ALERT=1; // action must be taken immediately
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var LOG_CRIT=2; // critical conditions
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var LOG_ERR=3; // error conditions
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var LOG_ERROR=3; // because people WILL typo
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var LOG_WARNING=4; // warning conditions
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var LOG_NOTICE=5; // normal, but significant, condition
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var LOG_INFO=6; // informational message
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var LOG_DEBUG=7; // debug-level message
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var levelMapping = {};
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levelMapping[levels.ALL] = LOG_DEBUG;
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levelMapping[levels.TRACE] = LOG_DEBUG;
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levelMapping[levels.DEBUG] = LOG_DEBUG;
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levelMapping[levels.INFO] = LOG_INFO;
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levelMapping[levels.WARN] = LOG_WARNING;
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levelMapping[levels.ERROR] = LOG_ERR;
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levelMapping[levels.FATAL] = LOG_CRIT;
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/**
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* GELF appender that supports sending UDP packets to a GELF compatible server such as Graylog
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*
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@ -15,32 +34,11 @@ var util = require('util');
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*/
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function gelfAppender (layout, host, port, hostname, facility) {
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var logEventBuffer = [];
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LOG_EMERG=0; // system is unusable
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LOG_ALERT=1; // action must be taken immediately
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LOG_CRIT=2; // critical conditions
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LOG_ERR=3; // error conditions
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LOG_ERROR=3; // because people WILL typo
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LOG_WARNING=4; // warning conditions
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LOG_NOTICE=5; // normal, but significant, condition
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LOG_INFO=6; // informational message
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LOG_DEBUG=7; // debug-level message
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var levelMapping = {};
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levelMapping[levels.ALL] = LOG_DEBUG;
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levelMapping[levels.TRACE] = LOG_DEBUG;
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levelMapping[levels.DEBUG] = LOG_DEBUG;
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levelMapping[levels.INFO] = LOG_INFO;
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levelMapping[levels.WARN] = LOG_WARNING;
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levelMapping[levels.ERROR] = LOG_ERR;
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levelMapping[levels.FATAL] = LOG_CRIT;
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host = host || 'localhost';
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port = port || 12201;
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hostname = hostname || require('os').hostname();
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facility = facility || 'nodejs-server';
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layout = layout || layouts.patternLayout('%m');
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layout = layout || layouts.messagePassThroughLayout;
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var client = dgram.createSocket("udp4");
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@ -61,18 +59,6 @@ function gelfAppender (layout, host, port, hostname, facility) {
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return msg;
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}
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function flushBuffer() {
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while (logEventBuffer.length > 0) {
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var message = preparePacket(logEventBuffer.shift());
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var packet = compress(new Buffer(JSON.stringify(message)));
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if (packet.length > 8192) {
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util.debug("Message packet length (" + packet.length + ") is larger than 8k. Not sending");
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} else {
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sendPacket(packet);
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}
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}
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}
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function sendPacket(packet) {
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try {
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client.send(packet, 0, packet.length, port, host);
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@ -80,8 +66,13 @@ function gelfAppender (layout, host, port, hostname, facility) {
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}
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return function(loggingEvent) {
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logEventBuffer.push(loggingEvent);
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flushBuffer();
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var message = preparePacket(loggingEvent);
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var packet = compress(new Buffer(JSON.stringify(message)));
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if (packet.length > 8192) {
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util.debug("Message packet length (" + packet.length + ") is larger than 8k. Not sending");
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} else {
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sendPacket(packet);
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}
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};
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}
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@ -1,12 +1,16 @@
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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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, fakeDgram = {
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, log4js = require('../lib/log4js')
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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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close: function() {
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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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this.packet = pkt;
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this.offset = offset;
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this.packetLength = pktLength;
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@ -21,37 +25,114 @@ var vows = require('vows')
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}
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, fakeCompressBuffer = {
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compress: function(objectToCompress) {
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this.uncompressed = objectToCompress;
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fakeCompressBuffer.uncompressed = objectToCompress;
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if (compressedLength) {
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return { length: compressedLength };
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} else {
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return "I've been compressed";
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}
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}
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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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"compress-buffer": fakeCompressBuffer
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}
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})
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, log4js = require('../lib/log4js');
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});
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log4js.clearAppenders();
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log4js.addAppender(appender.configure({}), "gelf-test");
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log4js.addAppender(appender.configure(options || {}), category || "gelf-test");
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return {
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dgram: fakeDgram,
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compress: fakeCompressBuffer,
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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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topic: function() {
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log4js.getLogger("gelf-test").info("This is a test");
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return fakeDgram;
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var setup = setupLogging();
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setup.logger.info("This is a test");
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return setup;
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},
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'should send log messages via udp to the localhost gelf server': function(dgram) {
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'the dgram packet': {
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topic: function(setup) {
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return setup.dgram;
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},
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'should be sent via udp to the localhost gelf server': function(dgram) {
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assert.equal(dgram.type, "udp4");
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assert.equal(dgram.socket.host, "localhost");
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assert.equal(dgram.socket.port, 12201);
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assert.equal(dgram.socket.offset, 0);
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assert.ok(dgram.socket.packetLength > 0, "Received blank message");
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},
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'should compress the log message': function(dgram) {
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'should be compressed': function(dgram) {
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assert.equal(dgram.socket.packet, "I've been compressed");
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}
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},
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'the uncompressed log message': {
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topic: function(setup) {
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var message = JSON.parse(setup.compress.uncompressed);
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return message;
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},
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'should be in the gelf format': function(message) {
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assert.equal(message.version, '1.0');
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assert.equal(message.host, require('os').hostname());
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assert.equal(message.level, 6); //INFO
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assert.equal(message.facility, 'nodejs-server');
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assert.equal(message.full_message, message.short_message);
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assert.equal(message.full_message, 'This is a test');
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}
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}
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},
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'with a message longer than 8k': {
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topic: function() {
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var setup = setupLogging(undefined, undefined, 10240);
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setup.logger.info("Blah.");
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return setup;
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},
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'the dgram packet': {
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topic: function(setup) {
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return setup.dgram;
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},
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'should not be sent': function(dgram) {
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assert.equal(dgram.sent, false);
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}
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}
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},
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'with non-default options': {
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topic: function() {
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var setup = setupLogging({
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host: 'somewhere',
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port: 12345,
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hostname: 'cheese',
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facility: 'nonsense'
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});
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setup.logger.debug("Just testing.");
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return setup;
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},
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'the dgram packet': {
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topic: function(setup) {
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return setup.dgram;
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},
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'should pick up the options': function(dgram) {
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assert.equal(dgram.socket.host, 'somewhere');
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assert.equal(dgram.socket.port, 12345);
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}
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},
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'the uncompressed packet': {
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topic: function(setup) {
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var message = JSON.parse(setup.compress.uncompressed);
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return message;
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},
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'should pick up the options': function(message) {
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assert.equal(message.host, 'cheese');
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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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}).export(module);
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