import './textarea.js';

describe('Component vnTextarea', () => {
    let $scope;
    let $attrs;
    let $element;
    let controller;

    beforeEach(ngModule('vnCore'));

    beforeEach(angular.mock.inject(($componentController, $rootScope) => {
        $scope = $rootScope.$new();
        $attrs = {field: '$ctrl.claim.observation'};
        $element = angular.element('<vn-textarea vn-three label="Observation" field="$ctrl.claim.observation" rows="9"><textarea></vn-textarea>');
        $element[0].firstChild.MaterialTextfield = {updateClasses_: () => {}};
        controller = $componentController('vnTextarea', {$scope, $element, $attrs});
    }));

    describe('model() setter', () => {
        it(`should set model and call mdlUpdate`, () => {
            spyOn(controller, 'mdlUpdate');
            let model = 'model';
            controller.model = model;

            expect(controller._model).toEqual(model);
            expect(controller.mdlUpdate).toHaveBeenCalledWith();
        });
    });

    describe('rows() setter', () => {
        it(`should set rows property of the element to the given value if its not null`, () => {
            controller.rows = 27;

            expect(controller.textarea.rows).toEqual(27);
        });

        it(`should set rows property of the element to 3 if the given value if its null`, () => {
            controller.rows = null;

            expect(controller.textarea.rows).toEqual(3);
        });
    });

    describe('mdlUpdate()', () => {
        it(`should should call mdlField.updateClasses if theres an mdlField defined and call upgradeElement with the textarea element`, () => {
            spyOn($element[0].firstChild.MaterialTextfield, 'updateClasses_');
            spyOn(componentHandler, 'upgradeElement');
            controller.mdlUpdate();

            expect($element[0].firstChild.MaterialTextfield.updateClasses_).toHaveBeenCalledWith();
            expect(componentHandler.upgradeElement).toHaveBeenCalledWith(controller.element[0].firstChild);
        });
    });
});