savvy-js/test/fileReader.test.js

Savvy - Style sheet documentation tool

(function(){
    'use strict';

    var fs = require('fs'),
        Minimatch = require('minimatch').Minimatch,
        should = require('chai').should(),
        rimraf = require('rimraf'),
        fileReader = require('../js/fileReader'),
        folderPath = 'c:/myVerySpecialTestFolderThatPropbablyDoesntExsist',
        fileNames = ['a.scss', 'b.scss', 'c.css'];

    beforeEach(function(done){
        // create a temp directory
        fs.mkdir(folderPath, function(){
            fileNames.forEach(function(filePath){
                fs.writeFileSync(folderPath + '/' + filePath, '123 test');
            });
            done();
        });
    });

    afterEach(function(done){
        // remove folder and files.
        rimraf(folderPath, done);
    });

    describe('fileReader', function() {
        it('Can match a file path to a pattern and filter unwanted paths', function(){
            var pattern,
                result;

            // match only js files
            pattern = new Minimatch('*.js', { matchBase: true })
            result = fileReader.matchPattern(pattern, ['/myFile.js', 'C:/someOtherFile.css']);

            result.length.should.equal(1);
            result[0].should.equal('/myFile.js');

            // match everything except js files.
            pattern = new Minimatch('!*.js', { matchBase: true })
            result = fileReader.matchPattern(pattern, ['/myFile.js', 'C:/someOtherFile.css']);

            result.length.should.equal(1);
            result[0].should.equal('C:/someOtherFile.css');
        });

        it('getFiles() works on all files in a given single folder, if no pattern is provided.', function (done) {
            var callback;

            callback = function(err, files){
                if(err){
                    return done(err);
                }
                files.length.should.equal(3);
                done();
            };

            fileReader.getFiles(folderPath, callback);
        });

        it('getFiles() gets files by given pattern.', function (done) {
            var callback, pattern;

            callback = function(err, files){
                if(err){
                    return done(err);
                }
                files.length.should.equal(2);
                done();
            };

            pattern = '*.scss';

            fileReader.getFiles(folderPath, callback, pattern);
        });
    });
}());