Gareth Jones
11 years ago
parent
a8679aced1
commit
eb875b6d98
@ -0,0 +1,291 @@
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"use strict";
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var should = require('should')
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, fs = require('fs')
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, sandbox = require('sandboxed-module')
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, log4js = require('../lib/log4js');
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describe('../lib/log4js', function() {
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describe('#getLogger', function() {
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it('should return a Logger', function() {
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log4js.getLogger().should.have.property('debug').be.a('function');
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log4js.getLogger().should.have.property('info').be.a('function');
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log4js.getLogger().should.have.property('error').be.a('function');
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});
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});
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describe('#configure', function() {
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it('should require an object or a filename', function() {
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[
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undefined,
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null,
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true,
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42,
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function() {}
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].forEach(function(arg) {
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(function() { log4js.configure(arg); }).should.throw(
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"You must specify configuration as an object or a filename."
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);
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});
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});
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it('should complain if the file cannot be found', function() {
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(function() { log4js.configure("pants"); }).should.throw(
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"ENOENT, no such file or directory 'pants'"
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);
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});
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it('should pick up the configuration filename from env.LOG4JS_CONFIG', function() {
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process.env.LOG4JS_CONFIG = 'made-up-file';
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(function() { log4js.configure(); }).should.throw(
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"ENOENT, no such file or directory 'made-up-file'"
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);
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process.env.LOG4JS_CONFIG = null;
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});
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it('should complain if the config does not specify any appenders', function() {
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(function() { log4js.configure({}); }).should.throw(
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"You must specify at least one appender."
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);
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(function() { log4js.configure({ appenders: {} }); }).should.throw(
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"You must specify at least one appender."
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);
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});
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it('should complain if the config does not specify an appender for the default category', function() {
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(function() {
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log4js.configure(
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{
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appenders: {
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"console": { type: "console" }
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},
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categories: {}
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}
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);
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}).should.throw(
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"You must specify an appender for the default category"
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);
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(function() {
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log4js.configure({
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appenders: {
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"console": { type: "console" }
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},
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categories: {
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"cheese": { level: "DEBUG", appenders: [ "console" ] }
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}
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});
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}).should.throw(
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"You must specify an appender for the default category"
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);
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});
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it('should complain if a category does not specify level or appenders', function() {
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(function() {
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log4js.configure(
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{ appenders: { "console": { type: "console" } },
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categories: {
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"default": { thing: "thing" }
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}
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}
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);
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}).should.throw(
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"You must specify a level for category 'default'."
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);
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(function() {
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log4js.configure(
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{ appenders: { "console": { type: "console" } },
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categories: {
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"default": { level: "DEBUG" }
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}
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}
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);
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}).should.throw(
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"You must specify an appender for category 'default'."
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);
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});
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it('should complain if a category specifies a level that does not exist', function() {
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(function() {
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log4js.configure(
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{ appenders: { "console": { type: "console" }},
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categories: {
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"default": { level: "PICKLES" }
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}
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}
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);
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}).should.throw(
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"Level 'PICKLES' is not valid for category 'default'. " +
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"Acceptable values are: OFF, TRACE, DEBUG, INFO, WARN, ERROR, FATAL."
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);
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});
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it('should complain if a category specifies an appender that does not exist', function() {
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(function() {
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log4js.configure(
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{ appenders: { "console": { type: "console" }},
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categories: {
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"default": { level: "DEBUG", appenders: [ "cheese" ] }
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}
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}
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);
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}).should.throw(
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"Appender 'cheese' for category 'default' does not exist. Known appenders are: console."
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);
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});
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before(function(done) {
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fs.unlink("test.log", function (err) { done(); });
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});
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it('should set up the included appenders', function(done) {
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log4js.configure({
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appenders: {
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"file": { type: "file", filename: "test.log" }
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},
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categories: {
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default: { level: "DEBUG", appenders: [ "file" ] }
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}
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});
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log4js.getLogger('test').debug("cheese");
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setTimeout(function() {
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fs.readFile("test.log", "utf-8", function(err, contents) {
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contents.should.include("cheese");
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done(err);
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});
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}, 50);
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});
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after(function(done) {
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fs.unlink("test.log", function (err) { done(); });
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});
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it('should set up third-party appenders', function() {
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var events = [], log4js_sandbox = sandbox.require(
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'../lib/log4js',
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{
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requires: {
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'cheese': {
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configure: function() {
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return function(evt) { events.push(evt); };
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}
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}
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}
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}
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);
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log4js_sandbox.configure({
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appenders: {
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"thing": { type: "cheese" }
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},
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categories: {
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default: { level: "DEBUG", appenders: [ "thing" ] }
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}
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});
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log4js_sandbox.getLogger().info("edam");
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events.should.have.length(1);
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events[0].data[0].should.eql("edam");
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});
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it('should complain about unknown appenders', function() {
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(function() {
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log4js.configure({
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appenders: {
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"thing": { type: "madeupappender" }
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},
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categories: {
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default: { level: "DEBUG", appenders: [ "thing" ] }
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}
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});
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}).should.throw(
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"Could not load appender of type 'madeupappender'."
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);
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});
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it('should read config from a file', function() {
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var events = [], log4js_sandbox = sandbox.require(
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'../lib/log4js',
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{ requires:
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{
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'cheese': {
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configure: function() {
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return function(event) { events.push(event); };
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}
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}
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}
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}
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);
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log4js_sandbox.configure(__dirname + "/with-cheese.json");
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log4js_sandbox.getLogger().debug("gouda");
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events.should.have.length(1);
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events[0].data[0].should.eql("gouda");
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});
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it('should set up log levels for categories', function() {
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var events = []
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, noisyLogger
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, log4js_sandbox = sandbox.require(
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'../lib/log4js',
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{ requires:
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{
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'cheese': {
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configure: function() {
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return function(event) { events.push(event); };
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}
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}
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}
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}
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);
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log4js_sandbox.configure(__dirname + "/with-cheese.json");
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noisyLogger = log4js_sandbox.getLogger("noisy");
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noisyLogger.debug("pow");
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noisyLogger.info("crash");
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noisyLogger.warn("bang");
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noisyLogger.error("boom");
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noisyLogger.fatal("aargh");
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events.should.have.length(2);
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events[0].data[0].should.eql("boom");
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events[1].data[0].should.eql("aargh");
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});
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it('should have a default log level for all categories', function() {
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var events = []
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, log4js_sandbox = sandbox.require(
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'../lib/log4js',
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{ requires:
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{
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'cheese': {
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configure: function() {
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return function(event) { events.push(event); };
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}
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}
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}
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}
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);
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//with-cheese.json only specifies categories noisy and default
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//unspecified categories should use the default category config
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log4js_sandbox.configure(__dirname + "/with-cheese.json");
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log4js_sandbox.getLogger("surprise").trace("not seen");
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log4js_sandbox.getLogger("surprise").info("should be seen");
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events.should.have.length(1);
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events[0].data[0].should.eql("should be seen");
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});
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it('should reload configuration if specified');
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});
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});
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