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Added vows tests for the setLevel asymmetry fix

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Mike Bardzinski 2012-05-08 12:23:30 +01:00
parent 2c7b56853b
commit 6a20efb965
1 changed files with 79 additions and 0 deletions
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test/test-setLevel-asymmetry.js Normal file
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// This test shows an asymmetry between setLevel and isLevelEnabled (in log4js-node@0.4.3 and earlier):
// 1) setLevel("foo") works, but setLevel(log4js.levels.foo) silently does not (sets the level to TRACE).
// 2) isLevelEnabled("foo") works as does isLevelEnabled(log4js.levels.foo).
//
// Basic set up
var vows = require('vows');
var assert = require('assert');
var log4js = require('../lib/log4js');
var logger = log4js.getLogger('test-setLevel-asymmetry');
// uncomment one or other of the following to see progress (or not) while running the tests
// var showProgress = console.log;
var showProgress = function() {};
// Define the array of levels as string to iterate over.
var strLevels= ['Trace','Debug','Info','Warn','Error','Fatal'];
var log4jsLevels =[];
// populate an array with the log4js.levels that match the strLevels.
// Would be nice if we could iterate over log4js.levels instead, but log4js.levels.toLevel prevents that for now.
strLevels.forEach(function(l) {
log4jsLevels.push(log4js.levels.toLevel(l));
});
// We are going to iterate over this object's properties to define an exhaustive list of vows.
var levelTypes = {
'string': strLevels,
'log4js.levels.level': log4jsLevels,
}
// Set up the basic vows batch for this test
var batch = {
setLevel: {
}
}
showProgress('Populating batch object...');
// Populating the batch object programmatically,
// as I don't have the patience to manually populate it with the (strLevels.length x levelTypes.length) ^ 2 = 144 possible test combinations
for (var type in levelTypes) {
var context = 'is called with a '+type;
var levelsToTest = levelTypes[type];
showProgress('Setting up the vows context for '+context);
batch.setLevel[context]= {};
levelsToTest.forEach( function(level) {
var subContext = 'of '+level;
var log4jsLevel=log4js.levels.toLevel(level.toString());
showProgress('Setting up the vows sub-context for '+subContext);
batch.setLevel[context][subContext] = {topic: level};
for (var comparisonType in levelTypes) {
levelTypes[comparisonType].forEach(function(comparisonLevel) {
var t = type;
var ct = comparisonType;
var expectedResult = log4jsLevel.isLessThanOrEqualTo(comparisonLevel);
var vow = 'isLevelEnabled('+comparisonLevel+') called with a '+comparisonType+' should return '+expectedResult;
showProgress('Setting up the vows vow for '+vow);
batch.setLevel[context][subContext][vow] = function(levelToSet) {
logger.setLevel(levelToSet);
showProgress('*** Checking setLevel( '+level+' ) of type '+t+', and isLevelEnabled( '+comparisonLevel+' ) of type '+ct+'. Expecting: '+expectedResult);
assert.equal(logger.isLevelEnabled(comparisonLevel), expectedResult, 'Failed: calling setLevel( '+level+' ) with type '+type+', isLevelEnabled( '+comparisonLevel+' ) of type '+comparisonType+' did not return '+expectedResult);
};
})
}
});
}
showProgress('Running tests...');
vows.describe('log4js setLevel asymmetry fix').addBatch(batch).export(module);