cartodb4/log4js-node
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #231 from eurekaa/buffered-logger

Browse Source 
added getBufferedLogger function.
This commit is contained in:
Gareth Jones 2014-08-17 11:00:10 +10:00
commit c03185b563
3 changed files with 91 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.gitignore vendored
View File

@ -5,3 +5,4 @@ node_modules
.bob/
test/streams/test-rolling-file-stream*
test/streams/test-rolling-stream-with-existing-files*
.idea

24
lib/log4js.js
View File

@ -70,6 +70,29 @@ function hasLogger(logger) {
}
function getBufferedLogger(categoryName) {
var base_logger = getLogger(categoryName);
var logger = {};
logger.temp = [];
logger.target = base_logger;
logger.flush = function () {
for (var i = 0; i < logger.temp.length; i++) {
var log = logger.temp[i];
logger.target[log.level](log.message);
delete logger.temp[i];
}
};
logger.trace = function (message) { logger.temp.push({level: 'trace', message: message}); };
logger.debug = function (message) { logger.temp.push({level: 'debug', message: message}); };
logger.info = function (message) { logger.temp.push({level: 'info', message: message}); };
logger.warn = function (message) { logger.temp.push({level: 'warn', message: message}); };
logger.error = function (message) { logger.temp.push({level: 'error', message: message}); };
logger.fatal = function (message) { logger.temp.push({level: 'fatal', message: message}); };
return logger;
}
/**
* Get a logger instance. Instance is cached on categoryName level.
* @param {String} categoryName name of category to log to.
@ -375,6 +398,7 @@ function shutdown(cb) {
}
module.exports = {
getBufferedLogger: getBufferedLogger,
getLogger: getLogger,
getDefaultLogger: getDefaultLogger,
hasLogger: hasLogger,

66
test/logging-test.js
View File

@ -32,6 +32,72 @@ function setupConsoleTest() {
}
vows.describe('log4js').addBatch({
'getBufferedLogger': {
topic: function () {
var log4js = require('../lib/log4js');
log4js.clearAppenders();
var logger = log4js.getBufferedLogger('tests');
return logger;
},
'should take a category and return a logger': function (logger) {
assert.equal(logger.target.category, 'tests');
assert.isFunction(logger.flush);
assert.isFunction(logger.trace);
assert.isFunction(logger.debug);
assert.isFunction(logger.info);
assert.isFunction(logger.warn);
assert.isFunction(logger.error);
assert.isFunction(logger.fatal);
},
'cache events': {
topic: function () {
var log4js = require('../lib/log4js');
log4js.clearAppenders();
var logger = log4js.getBufferedLogger('tests1');
var events = [];
logger.target.addListener("log", function (logEvent) { events.push(logEvent); });
logger.debug("Debug event");
logger.trace("Trace event 1");
logger.trace("Trace event 2");
logger.warn("Warning event");
logger.error("Aargh!", new Error("Pants are on fire!"));
logger.error("Simulated CouchDB problem", { err: 127, cause: "incendiary underwear" });
return events;
},
'should not emit log events if .flush() is not called.': function (events) {
assert.equal(events.length, 0);
}
},
'log events after flush() is called': {
topic: function () {
var log4js = require('../lib/log4js');
log4js.clearAppenders();
var logger = log4js.getBufferedLogger('tests2');
logger.target.setLevel("TRACE");
var events = [];
logger.target.addListener("log", function (logEvent) { events.push(logEvent); });
logger.debug("Debug event");
logger.trace("Trace event 1");
logger.trace("Trace event 2");
logger.warn("Warning event");
logger.error("Aargh!", new Error("Pants are on fire!"));
logger.error("Simulated CouchDB problem", { err: 127, cause: "incendiary underwear" });
logger.flush();
return events;
},
'should emit log events when .flush() is called.': function (events) {
assert.equal(events.length, 6);
}
}
},
'getLogger': {
topic: function() {
var log4js = require('../lib/log4js');