import { mount } from '@vue/test-utils';
import InputNumber from './InputNumber.vue';

describe('InputNumber.vue', () => {
    let wrapper;

    beforeEach(() => {
        wrapper = mount(InputNumber, {
            props: {
                modelValue: 1
            }
        });
    });

    it('is exist', () => {
        expect(wrapper.find('.p-inputnumber.p-component').exists()).toBe(true);
        expect(wrapper.find('input.p-inputnumber-input').exists()).toBe(true);
    });

    it('is keydown called when down and up keys pressed', async () => {
        await wrapper.vm.onInputKeyDown({which: 38, target: { value: 1 }, preventDefault: () => {}});
        
        expect(wrapper.emitted()['update:modelValue'][0]).toEqual([2]);

        await wrapper.vm.onInputKeyDown({which: 40, target: { value: 2 }, preventDefault: () => {}})
        
        expect(wrapper.emitted()['update:modelValue'][1]).toEqual([1]);
    });

    it('is keydown called when tab key pressed', async () => {
        await wrapper.vm.onInputKeyDown({which: 9, target: { value: '12' }, preventDefault: () => {}});
        
        expect(wrapper.emitted()['update:modelValue'][0]).toEqual([12]);
        expect(wrapper.find('input.p-inputnumber-input').attributes()['aria-valuenow']).toBe('12');
    });

    it('is keydown called when enter key pressed', async () => {
        await wrapper.vm.onInputKeyDown({which: 13, target: { value: '12' }, preventDefault: () => {}});
        
        expect(wrapper.emitted()['update:modelValue'][0]).toEqual([12]);
        expect(wrapper.find('input.p-inputnumber-input').attributes()['aria-valuenow']).toBe('12');
    });

    it('is keypress called when pressed a number', async () => {
        wrapper.find('input.p-inputnumber-input').element.setSelectionRange(2,2);

        await wrapper.vm.onInputKeyPress({which: 49, preventDefault: () => {}});

        expect(wrapper.emitted().input[0][0].value).toBe(11);
    });

    it('is keypress called when pressed minus', async () => {
        wrapper.find('input.p-inputnumber-input').element.setSelectionRange(0,0);

        await wrapper.vm.onInputKeyPress({keyCode: 45, preventDefault: () => {}});

        expect(wrapper.emitted().input[0][0].value).toBe(-1);
    });

    it('should have min boundary', async () => {
        await wrapper.setProps({ modelValue: 95, min: 95});

        await wrapper.vm.onInputKeyDown({which: 40, target: { value: 96 }, preventDefault: () => {}});

        expect(wrapper.emitted()['update:modelValue'][0]).toEqual([95]);

        await wrapper.vm.onInputKeyDown({which: 40, target: { value: 95 }, preventDefault: () => {}});

        expect(wrapper.emitted()['update:modelValue'][1]).toEqual([95]);
    });

    it('should have max boundary', async () => {
        await wrapper.setProps({ modelValue: 99, max: 100});

        await wrapper.vm.onInputKeyDown({which: 38, target: { value: 99 }, preventDefault: () => {}});

        expect(wrapper.emitted()['update:modelValue'][0]).toEqual([100]);

        await wrapper.vm.onInputKeyDown({which: 38, target: { value: 100 }, preventDefault: () => {}});

        expect(wrapper.emitted()['update:modelValue'][1]).toEqual([100]);
    });

    it('should have currency', async () => {
        await wrapper.setProps({ modelValue: 12345, mode: 'currency', currency: 'USD', locale: 'en-US'});

        expect(wrapper.find('input.p-inputnumber-input').element._value).toBe('$12,345.00');
    });

    it('should have prefix', async () => {
        await wrapper.setProps({ modelValue: 20, prefix: '%' });

        expect(wrapper.find('input.p-inputnumber-input').element._value).toBe('%20');
    });
});