describe('Directive vnId', () => {
    let $scope;
    let $element;
    let compile;

    beforeEach(() => {
        angular.mock.module('client');
    });

    compile = _element => {
        inject(($compile, $rootScope) => {
            $scope = $rootScope.$new();
            $element = angular.element(_element);
            $compile($element)($scope);
            $scope.$digest();
        });
    };

    it(`should throw an error when there's no id defined`, () => {
        let html = `<form vn-id=""></form>`;

        expect(function errorExpected() {
            compile(html);
        }).toThrow(new Error(`vnId: Attribute can't be null`));
    });

    it(`should throw an error when these's no controller defined in $element[0]`, () => {
        let html = `<div vn-id="1"></div>`;

        expect(function errorExpected() {
            compile(html);
        }).toThrow(new Error(`vnId: Can't find controller for element '1'`));
    });
});