AngularJS Test: Directive with ngModel

ng-test-directive-model.js

/* jshint -W117, -W030 */
describe('LineItemType', function() {
    var scope, compileDirective, spy;

    beforeEach(module('app.lineItem', function($provide) {
        $provide.service('lineItemType', mockData.lineItemTypeService());
    }));

    beforeEach(inject(function($injector) {
        var $controller = $injector.get('$controller');
        var $compile = $injector.get('$compile');
        var $rootScope = $injector.get('$rootScope');
        scope = $rootScope.$new();
        lineItemType = $injector.get('lineItemType');
        spy = sinon.spy(lineItemType, 'getAll');

        compileDirective = function (html) {
            var el = $compile(html)(scope);
            return el;
        };
    }));

    describe('Directive', function() {
        it('should be created and populated when dataset arrives from service', function() {
            var dir = compileDirective('<line-item-type></line-item-type>');
            scope.$digest(); // the controller does the call and waits for response
            var resolvedData = [mockData.getLineItemType(), mockData.getLineItemType()];
            lineItemType.$$resolve('getAll', resolvedData);
            scope.$digest(); // the controller gets the response
            expect(dir.find('option').length).to.be.equal(2);
        });
        it('should have default values', function() {
            var dir = compileDirective('<line-item-type></line-item-type>');
            scope.$digest();
            expect(dir.find('[name=typeWriter]').val()).to.be.equal('default');
        });
        it('should update model when writing input', function() {
            var dir = compileDirective('<line-item-type></line-item-type>');
            scope.$digest();
            var isolated = dir.isolateScope();
            isolated.typeForm.typeWriter.$setViewValue('bolza', 'input');
            expect(isolated.model.text).to.be.equal('bolza');
        });
    });
});