filer/tests/spec/fs.stat.spec.js

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

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

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

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

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

    it('should return a stat object if path exists', function(done) {
      var fs = util.fs();

      fs.stat('/', function(error, result) {
        expect(error).not.to.exist;
        expect(result).to.exit;

        expect(result['node']).to.be.a('string');
        expect(result['dev']).to.equal(fs.name);
        expect(result['size']).to.be.a('number');
        expect(result['nlinks']).to.be.a('number');
        expect(result['atime']).to.be.a('number');
        expect(result['mtime']).to.be.a('number');
        expect(result['ctime']).to.be.a('number');
        expect(result['type']).to.equal('DIRECTORY');

        done();
      });
    });

    it('should follow symbolic links and return a stat object for the resulting path', function(done) {
      var fs = util.fs();

      fs.open('/myfile', 'w', function(error, result) {
        if(error) throw error;
        var fd = result;
        fs.close(fd, function(error) {
          if(error) throw error;
          fs.stat('/myfile', function(error, result) {
            if(error) throw error;

            expect(result['node']).to.exist;
            fs.symlink('/myfile', '/myfilelink', function(error) {
              if(error) throw error;

              fs.stat('/myfilelink', function(error, result) {
                expect(error).not.to.exist;
                expect(result).to.exist;
                expect(result['node']).to.exist;
                done();
              });
            });
          });
        });
      });
    });

    it('should return a stat object for a valid descriptor', function(done) {
      var fs = util.fs();

      fs.open('/myfile', 'w+', function(error, fd) {
        if(error) throw error;

        fs.fstat(fd, function(error, result) {
          expect(error).not.to.exist;
          expect(result).to.exist;

          expect(result['node']).to.exist;
          expect(result['dev']).to.equal(fs.name);
          expect(result['size']).to.be.a('number');
          expect(result['nlinks']).to.be.a('number');
          expect(result['atime']).to.be.a('number');
          expect(result['mtime']).to.be.a('number');
          expect(result['ctime']).to.be.a('number');
          expect(result['type']).to.equal('FILE');

          done();
        });
      });
    });
  });

});