describe('userName filter', function () {
  var $filter, _, userNameFilter;

  beforeEach(module('myApp.filters'));

  beforeEach(inject(function (_$filter_, ___) {
    $filter = _$filter_;
    _ = ___;
  }));

  beforeEach(function () {
    userNameFilter = $filter('userName');
  });

  it('displays user name deleted', function () {
    var expected = _('user_name_deleted');
    var actual = userNameFilter(null);

    expect(actual).toEqual(expected);
  });

  it('displays the first name', function () {
    var user = {
      first_name: 'John'
    };
    var expected = user.first_name;
    var actual = userNameFilter(user);

    expect(actual).toEqual(expected);
  });

  it('displays both, the first and the last name', function () {
    var user = {
      first_name: 'John',
      last_name: 'Doe'
    };
    var expected = user.first_name + ' ' + user.last_name;
    var actual = userNameFilter(user);

    expect(actual).toEqual(expected);
  });
});