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test.js
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test.js
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var fs = require('fs'),
expect = require('chai').expect,
cssSelectorLimit = require('./index'),
fileList = [
__dirname + '/tests/file-0.css',
__dirname + '/tests/file-1.css',
__dirname + '/tests/file-2.css',
__dirname + '/tests/file-3.css',
__dirname + '/tests/file-4.css',
__dirname + '/tests/file-5.css'
];
describe('css selector limit warning', function(){
it('returns an array of results in the same order as the array of files that it was given', function(done){
cssSelectorLimit(fileList, function(err, results){
try{
expect(err).to.equal(null);
expect(results[0].file).to.equal(__dirname + '/tests/file-0.css');
expect(results[1].file).to.equal(__dirname + '/tests/file-1.css');
expect(results[2].file).to.equal(__dirname + '/tests/file-2.css');
expect(results[3].file).to.equal(__dirname + '/tests/file-3.css');
expect(results[4].file).to.equal(__dirname + '/tests/file-4.css');
expect(results[5].file).to.equal(__dirname + '/tests/file-5.css');
done(err);
}
catch(err){
done(err);
}
});
});
it('sets "ok" property to true if the file has less than or equal selectors to limit', function(done){
cssSelectorLimit(fileList, function(err, results){
try{
expect(err).to.equal(null);
expect(results[0].ok).to.equal(true);
expect(results[1].ok).to.equal(true);
expect(results[2].ok).to.equal(true);
expect(results[3].ok).to.equal(true);
done(err);
}
catch(err){
done(err);
}
});
});
it('sets "ok" property to false if the file has more selectors than the limit', function(done){
cssSelectorLimit(fileList, function(err, results){
try{
expect(err).to.equal(null);
expect(results[4].ok).to.equal(false);
expect(results[5].ok).to.equal(false);
done(err);
}
catch(err){
done(err);
}
});
});
it('sets "line" property to null if the file has less than or equal selectors to the limit', function(done){
cssSelectorLimit(fileList, function(err, results){
try{
expect(err).to.equal(null);
expect(results[0].line).to.equal(null);
expect(results[1].line).to.equal(null);
expect(results[2].line).to.equal(null);
expect(results[3].line).to.equal(null);
done(err);
}
catch(err){
done(err);
}
});
});
it('sets "line" property to the line number of the first selector that went over the limit', function(done){
cssSelectorLimit(fileList, function(err, results){
try{
expect(err).to.equal(null);
expect(results[4].line).to.equal(16381);
expect(results[5].line).to.equal(16381);
done(err);
}
catch(err){
done(err);
}
});
});
it('sets "selector" property to null if the file has less than or equal selectors to the limit', function(done){
cssSelectorLimit(fileList, function(err, results){
try{
expect(err).to.equal(null);
expect(results[0].line).to.equal(null);
expect(results[1].line).to.equal(null);
expect(results[2].line).to.equal(null);
expect(results[3].line).to.equal(null);
done(err);
}
catch(err){
done(err);
}
});
});
it('sets "selector" property to the first selector that went over the limit', function(done){
cssSelectorLimit(fileList, function(err, results){
try{
expect(err).to.equal(null);
expect(results[4].selector).to.equal('.selector-4096{');
expect(results[5].selector).to.equal('.selector-4096{');
done(err);
}
catch(err){
done(err);
}
});
});
it('sets "count" property to the number of selectors in the file', function(done){
cssSelectorLimit(fileList, function(err, results){
try{
expect(err).to.equal(null);
expect(results[0].count).to.equal(0);
expect(results[1].count).to.equal(2);
expect(results[2].count).to.equal(500);
expect(results[3].count).to.equal(4095);
expect(results[4].count).to.equal(4096);
expect(results[5].count).to.equal(7000);
done(err);
}
catch(err){
done(err);
}
});
});
it('overwrites limit with given option', function(done){
cssSelectorLimit(fileList, {limit: 4094}, function(err, results){
try{
expect(err).to.equal(null);
expect(results[0].ok).to.equal(true);
expect(results[1].ok).to.equal(true);
expect(results[2].ok).to.equal(true);
expect(results[3].ok).to.equal(false);
expect(results[4].ok).to.equal(false);
expect(results[5].ok).to.equal(false);
done(err);
}
catch(err){
done(err);
}
});
});
it('pass an error as the first argument if an error occurs', function(done){
cssSelectorLimit(null, {limit: 4094}, function(err, results){
try{
expect(err instanceof Error).to.equal(true);
done();
}
catch(err){
done(err);
}
});
});
it('accepts a single file as the first argument', function(done){
cssSelectorLimit(fileList[0], function(err, results){
try{
expect(err).to.equal(null);
expect(results[0].ok).to.equal(true);
done();
}
catch(err){
done(err);
}
});
});
it('accepts the contents of a file instead of the file path', function(done){
var file = fs.readFileSync(fileList[0], {encoding: 'utf-8'});
cssSelectorLimit(file, function(err, results){
try{
expect(err).to.equal(null);
expect(results[0].ok).to.equal(true);
done();
}
catch(err){
done(err);
}
});
});
});