filer/tests/spec/fs.readdir.spec.js

define(["Filer", "util"], function(Filer, util) {

 describe('fs.readdir', function() {
    beforeEach(util.setup);
    afterEach(util.cleanup);

    it('should be a function', function() {
      var fs = util.fs();
      expect(fs.readdir).to.be.a('function');
    });

    it('should return an error if the path does not exist', function(done) {
      var fs = util.fs();

      fs.readdir('/tmp/mydir', function(error, files) {
        expect(error).to.exist;
        expect(error.code).to.equal("ENOENT");
        expect(files).not.to.exist;
        done();
      });
    });

    it('should return a list of files from an existing directory', function(done) {
      var fs = util.fs();

      fs.mkdir('/tmp', function(error) {
        if(error) throw error;

        fs.readdir('/', function(error, files) {
          expect(error).not.to.exist;
          expect(files).to.exist;
          expect(files.length).to.equal(1);
          expect(files[0]).to.equal('tmp');
          done();
        });
      });
    });

    it('should follow symbolic links', function(done) {
      var fs = util.fs();

      fs.mkdir('/tmp', function(error) {
        if(error) throw error;
        fs.symlink('/', '/tmp/dirLink', function(error) {
          if(error) throw error;
          fs.readdir('/tmp/dirLink', function(error, files) {
            expect(error).not.to.exist;
            expect(files).to.exist;
            expect(files.length).to.equal(1);
            expect(files[0]).to.equal('tmp');
            done();
          });
        });
      });
    });
  });

});