import './step-control.js';

describe('Component vnStepControl', () => {
    let controller;
    let $state;

    beforeEach(ngModule('vnCore'));

    beforeEach(inject(($componentController, _$state_) => {
        $state = _$state_;
        jest.spyOn($state, 'go');
        controller = $componentController('vnStepControl', {$state: $state});
    }));

    describe('steps()', () => {
        it(`should do nothing if called without args`, () => {
            controller.steps = undefined;

            expect(controller._steps).not.toEqual(null);
        });

        it(`should set _steps property in the controller and call state.go()`, () => {
            controller.$state.current.name = 'test';
            controller.steps = [{state: 'nothing'}, {state: 'test'}];

            expect(controller._steps).toEqual([{state: 'nothing'}, {state: 'test'}]);
            expect(controller.currentStepIndex).toEqual(1);
            expect(controller.$state.go).toHaveBeenCalledWith('nothing');
        });
    });

    describe('currentState()', () => {
        it(`should call the go method if the's no onStepChange`, () => {
            controller.currentState = 'hello state!';

            expect(controller.$state.go).toHaveBeenCalledWith('hello state!');
        });

        it(`should call the onStepChange method then return false and never call the go method`, () => {
            controller.onStepChange = jasmine.createSpy(controller, 'onStepChange').and.returnValue(false);

            controller.currentState = 'something';

            expect(controller.onStepChange).toHaveBeenCalledWith({state: 'something'});
            expect(controller.$state.go).not.toHaveBeenCalledWith('something');
        });

        it(`should call the onStepChange method then return true and finally call the go method`, () => {
            controller.onStepChange = jasmine.createSpy(controller, 'onStepChange').and.returnValue(true);

            controller.currentState = 'something';

            expect(controller.onStepChange).toHaveBeenCalledWith({state: 'something'});
            expect(controller.$state.go).toHaveBeenCalledWith('something');
        });
    });

    describe('currentStepIndex()', () => {
        it('should get the current state index from an Array of states', () => {
            controller.$state.current.name = 'iam_a_current_state';
            controller.steps = [{state: 'iam_not_current_state'}, {state: 'iam_a_current_state'}];

            let result = controller.currentStepIndex;

            expect(result).toEqual(1);
        });
    });
});