protractor.js

  var expectFriendNames = function(expectedNames, key) {
    element.all(by.repeater(key + ' in friends').column(key + '.name')).then(function(arr) {
      arr.forEach(function(wd, i) {
        expect(wd.getText()).toMatch(expectedNames[i]);
      });
    });
  };

  it('should search across all fields when filtering with a string', function() {
    var searchText = element(by.model('searchText'));
    searchText.clear();
    searchText.sendKeys('m');
    expectFriendNames(['Mary', 'Mike', 'Adam'], 'friend');

    searchText.clear();
    searchText.sendKeys('76');
    expectFriendNames(['John', 'Julie'], 'friend');
  });

  it('should search in specific fields when filtering with a predicate object', function() {
    var searchAny = element(by.model('search.$'));
    searchAny.clear();
    searchAny.sendKeys('i');
    expectFriendNames(['Mary', 'Mike', 'Julie', 'Juliette'], 'friendObj');
  });
  it('should use a equal comparison when comparator is true', function() {
    var searchName = element(by.model('search.name'));
    var strict = element(by.model('strict'));
    searchName.clear();
    searchName.sendKeys('Julie');
    strict.click();
    expectFriendNames(['Julie'], 'friendObj');
  });