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flush-on-exit
Gareth Jones 11 years ago
parent 07869b915f
commit f24db59523
1 changed files with 170 additions and 152 deletions
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322
test/fileAppender-test.js
Unescape View File

@ -1,3 +1,4 @@
"use strict";
var vows = require('vows')
, fs = require('fs')
, path = require('path')
@ -7,173 +8,190 @@ var vows = require('vows')
log4js.clearAppenders();
function remove(filename) {
try {
fs.unlinkSync(filename);
} catch (e) {
//doesn't really matter if it failed
}
try {
fs.unlinkSync(filename);
} catch (e) {
//doesn't really matter if it failed
}
}
vows.describe('log4js fileAppender').addBatch({
'adding multiple fileAppenders': {
topic: function () {
var listenersCount = process.listeners('exit').length
, logger = log4js.getLogger('default-settings')
, count = 5, logfile;
while (count--) {
logfile = path.join(__dirname, '/fa-default-test' + count + '.log');
log4js.addAppender(require('../lib/appenders/file').appender(logfile), 'default-settings');
}
'adding multiple fileAppenders': {
topic: function () {
var listenersCount = process.listeners('exit').length
, logger = log4js.getLogger('default-settings')
, count = 5, logfile;
while (count--) {
logfile = path.join(__dirname, '/fa-default-test' + count + '.log');
log4js.addAppender(require('../lib/appenders/file').appender(logfile), 'default-settings');
}
return listenersCount;
},
'does not adds more than one `exit` listeners': function (initialCount) {
assert.ok(process.listeners('exit').length <= initialCount + 1);
}
},
'with default fileAppender settings': {
topic: function() {
var that = this
, testFile = path.join(__dirname, '/fa-default-test.log')
, logger = log4js.getLogger('default-settings');
remove(testFile);
return listenersCount;
log4js.clearAppenders();
log4js.addAppender(require('../lib/appenders/file').appender(testFile), 'default-settings');
logger.info("This should be in the file.");
setTimeout(function() {
fs.readFile(testFile, "utf8", that.callback);
}, 100);
},
'should write log messages to the file': function(err, fileContents) {
assert.include(fileContents, "This should be in the file.\n");
},
'log messages should be in the basic layout format': function(err, fileContents) {
assert.match(
fileContents,
/\[\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}\.\d{3}\] \[INFO\] default-settings - /
);
}
},
'with a max file size and no backups': {
topic: function() {
var testFile = path.join(__dirname, '/fa-maxFileSize-test.log')
, logger = log4js.getLogger('max-file-size')
, that = this;
remove(testFile);
remove(testFile + '.1');
//log file of 100 bytes maximum, no backups
log4js.clearAppenders();
log4js.addAppender(
require('../lib/appenders/file').appender(testFile, log4js.layouts.basicLayout, 100, 0),
'max-file-size'
);
logger.info("This is the first log message.");
logger.info("This is an intermediate log message.");
logger.info("This is the second log message.");
//wait for the file system to catch up
setTimeout(function() {
fs.readFile(testFile, "utf8", that.callback);
}, 100);
},
'log file should only contain the second message': function(err, fileContents) {
assert.include(fileContents, "This is the second log message.\n");
assert.equal(fileContents.indexOf("This is the first log message."), -1);
},
'the number of files': {
topic: function() {
fs.readdir(__dirname, this.callback);
},
'does not adds more than one `exit` listeners': function (initialCount) {
assert.ok(process.listeners('exit').length <= initialCount + 1);
'starting with the test file name should be two': function(err, files) {
//there will always be one backup if you've specified a max log size
var logFiles = files.filter(
function(file) { return file.indexOf('fa-maxFileSize-test.log') > -1; }
);
assert.equal(logFiles.length, 2);
}
}
},
'with a max file size and 2 backups': {
topic: function() {
var testFile = path.join(__dirname, '/fa-maxFileSize-with-backups-test.log')
, logger = log4js.getLogger('max-file-size-backups');
remove(testFile);
remove(testFile+'.1');
remove(testFile+'.2');
//log file of 50 bytes maximum, 2 backups
log4js.clearAppenders();
log4js.addAppender(
require('../lib/appenders/file').appender(testFile, log4js.layouts.basicLayout, 50, 2),
'max-file-size-backups'
);
logger.info("This is the first log message.");
logger.info("This is the second log message.");
logger.info("This is the third log message.");
logger.info("This is the fourth log message.");
var that = this;
//give the system a chance to open the stream
setTimeout(function() {
fs.readdir(__dirname, function(err, files) {
if (files) {
that.callback(null, files.sort());
} else {
that.callback(err, files);
}
});
}, 200);
},
'with default fileAppender settings': {
topic: function() {
var that = this
, testFile = path.join(__dirname, '/fa-default-test.log')
, logger = log4js.getLogger('default-settings');
remove(testFile);
//log4js.configure({ appenders:[ { type: "file", filename: testFile, category: 'default-settings' } ] });
log4js.clearAppenders();
log4js.addAppender(require('../lib/appenders/file').appender(testFile), 'default-settings');
logger.info("This should be in the file.");
setTimeout(function() {
fs.readFile(testFile, "utf8", that.callback);
}, 100);
},
'should write log messages to the file': function(err, fileContents) {
assert.include(fileContents, "This should be in the file.\n");
'the log files': {
topic: function(files) {
var logFiles = files.filter(
function(file) { return file.indexOf('fa-maxFileSize-with-backups-test.log') > -1; }
);
return logFiles;
},
'should be 3': function (files) {
assert.equal(files.length, 3);
},
'should be named in sequence': function (files) {
assert.deepEqual(files, [
'fa-maxFileSize-with-backups-test.log',
'fa-maxFileSize-with-backups-test.log.1',
'fa-maxFileSize-with-backups-test.log.2'
]);
},
'and the contents of the first file': {
topic: function(logFiles) {
fs.readFile(path.join(__dirname, logFiles[0]), "utf8", this.callback);
},
'log messages should be in the basic layout format': function(err, fileContents) {
assert.match(fileContents, /\[\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}\.\d{3}\] \[INFO\] default-settings - /);
'should be the last log message': function(contents) {
assert.include(contents, 'This is the fourth log message.');
}
},
'with a max file size and no backups': {
topic: function() {
var testFile = path.join(__dirname, '/fa-maxFileSize-test.log')
, logger = log4js.getLogger('max-file-size')
, that = this;
remove(testFile);
remove(testFile + '.1');
//log file of 100 bytes maximum, no backups
log4js.clearAppenders();
log4js.addAppender(require('../lib/appenders/file').appender(testFile, log4js.layouts.basicLayout, 100, 0), 'max-file-size');
logger.info("This is the first log message.");
logger.info("This is an intermediate log message.");
logger.info("This is the second log message.");
//wait for the file system to catch up
setTimeout(function() {
fs.readFile(testFile, "utf8", that.callback);
}, 100);
},
'log file should only contain the second message': function(err, fileContents) {
assert.include(fileContents, "This is the second log message.\n");
assert.equal(fileContents.indexOf("This is the first log message."), -1);
},
'and the contents of the second file': {
topic: function(logFiles) {
fs.readFile(path.join(__dirname, logFiles[1]), "utf8", this.callback);
},
'the number of files': {
topic: function() {
fs.readdir(__dirname, this.callback);
},
'starting with the test file name should be two': function(err, files) {
//there will always be one backup if you've specified a max log size
var logFiles = files.filter(function(file) { return file.indexOf('fa-maxFileSize-test.log') > -1; });
assert.equal(logFiles.length, 2);
}
'should be the third log message': function(contents) {
assert.include(contents, 'This is the third log message.');
}
},
'with a max file size and 2 backups': {
topic: function() {
var testFile = path.join(__dirname, '/fa-maxFileSize-with-backups-test.log')
, logger = log4js.getLogger('max-file-size-backups');
remove(testFile);
remove(testFile+'.1');
remove(testFile+'.2');
//log file of 50 bytes maximum, 2 backups
log4js.clearAppenders();
log4js.addAppender(require('../lib/appenders/file').appender(testFile, log4js.layouts.basicLayout, 50, 2), 'max-file-size-backups');
logger.info("This is the first log message.");
logger.info("This is the second log message.");
logger.info("This is the third log message.");
logger.info("This is the fourth log message.");
var that = this;
//give the system a chance to open the stream
setTimeout(function() {
fs.readdir(__dirname, function(err, files) {
if (files) {
that.callback(null, files.sort());
} else {
that.callback(err, files);
}
});
}, 200);
},
'and the contents of the third file': {
topic: function(logFiles) {
fs.readFile(path.join(__dirname, logFiles[2]), "utf8", this.callback);
},
'the log files': {
topic: function(files) {
var logFiles = files.filter(function(file) { return file.indexOf('fa-maxFileSize-with-backups-test.log') > -1; });
return logFiles;
},
'should be 3': function (files) {
assert.equal(files.length, 3);
},
'should be named in sequence': function (files) {
assert.deepEqual(files, ['fa-maxFileSize-with-backups-test.log', 'fa-maxFileSize-with-backups-test.log.1', 'fa-maxFileSize-with-backups-test.log.2']);
},
'and the contents of the first file': {
topic: function(logFiles) {
fs.readFile(path.join(__dirname, logFiles[0]), "utf8", this.callback);
},
'should be the last log message': function(contents) {
assert.include(contents, 'This is the fourth log message.');
}
},
'and the contents of the second file': {
topic: function(logFiles) {
fs.readFile(path.join(__dirname, logFiles[1]), "utf8", this.callback);
},
'should be the third log message': function(contents) {
assert.include(contents, 'This is the third log message.');
}
},
'and the contents of the third file': {
topic: function(logFiles) {
fs.readFile(path.join(__dirname, logFiles[2]), "utf8", this.callback);
},
'should be the second log message': function(contents) {
assert.include(contents, 'This is the second log message.');
}
}
'should be the second log message': function(contents) {
assert.include(contents, 'This is the second log message.');
}
}
}
}
}).addBatch({
'configure' : {
'with fileAppender': {
topic: function() {
var log4js = require('../lib/log4js')
, logger;
//this config file defines one file appender (to ./tmp-tests.log)
//and sets the log level for "tests" to WARN
log4js.configure('test/log4js.json');
logger = log4js.getLogger('tests');
logger.info('this should not be written to the file');
logger.warn('this should be written to the file');
fs.readFile('tmp-tests.log', 'utf8', this.callback);
},
'should load appender configuration from a json file': function(err, contents) {
assert.include(contents, 'this should be written to the file\n');
assert.equal(contents.indexOf('this should not be written to the file'), -1);
}
}
'configure' : {
'with fileAppender': {
topic: function() {
var log4js = require('../lib/log4js')
, logger;
//this config file defines one file appender (to ./tmp-tests.log)
//and sets the log level for "tests" to WARN
log4js.configure('test/log4js.json');
logger = log4js.getLogger('tests');
logger.info('this should not be written to the file');
logger.warn('this should be written to the file');
fs.readFile('tmp-tests.log', 'utf8', this.callback);
},
'should load appender configuration from a json file': function(err, contents) {
assert.include(contents, 'this should be written to the file\n');
assert.equal(contents.indexOf('this should not be written to the file'), -1);
}
}
}
}).export(module);

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