describe('userFirstName filter', function () {
  var $filter, _, userFirstNameFilter;

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

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

  beforeEach(function () {
    userFirstNameFilter = $filter('userFirstName');
  });

  it('displays user first name deleted', function () {
    var expected = _('user_first_name_deleted');
    var actual = userFirstNameFilter(null);

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

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

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

  it('displays the last name alternatively', function () {
    var user = {
      last_name: 'Doe'
    };
    var expected = user.last_name;
    var actual = userFirstNameFilter(user);

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

});