primevue-mirror/components/multiselect/MultiSelect.spec.js

import PrimeVue from '../config/PrimeVue';
import { mount } from '@vue/test-utils';
import MultiSelect from './MultiSelect.vue';

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

    beforeEach(async () => {
        wrapper = mount(MultiSelect, {
            global: {
                plugins: [PrimeVue],
                stubs: {
                    teleport: true
                }
            },
            props: {
                modelValue: null,
                options: [
                    { name: 'New York', code: 'NY' },
                    { name: 'Rome', code: 'RM' },
                    { name: 'London', code: 'LDN' },
                    { name: 'Istanbul', code: 'IST' },
                    { name: 'Paris', code: 'PRS' }
                ],
                optionLabel: 'name',
                placeholder: 'Select Cities'
            }
        });
    });

    it('should exist', async () => {
        expect(wrapper.find('.p-multiselect.p-component').exists()).toBe(true);
        expect(wrapper.find('.p-multiselect-label.p-placeholder').text()).toBe('Select Cities');
        expect(wrapper.find('.p-multiselect-panel').exists()).toBe(false);

        await wrapper.vm.onContainerClick();

        expect(wrapper.findAll('li.p-multiselect-item').length).toBe(5);
        expect(wrapper.findAll('li.p-multiselect-item')[0].attributes()['aria-label']).toBe('New York');
        expect(wrapper.findAll('li.p-multiselect-item')[0].findAll('span')[1].text()).toBe('New York');
    });

    it('should select an item', async () => {
        await wrapper.vm.onOptionSelect({}, wrapper.vm.options[0]);

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

        await wrapper.setProps({ modelValue: [wrapper.vm.options[0]] });
        await wrapper.vm.onContainerClick();

        expect(wrapper.findAll('li.p-multiselect-item')[0].classes()).toContain('p-highlight');
        expect(wrapper.find('.p-multiselect-label').text()).toBe('New York');
    });

    it('should select multiple item', async () => {
        await wrapper.setProps({ modelValue: [wrapper.vm.options[0]] });

        await wrapper.vm.onOptionSelect({}, wrapper.vm.options[1]);

        expect(wrapper.emitted()['update:modelValue'][0]).toEqual([[wrapper.vm.options[0], wrapper.vm.options[1]]]);

        await wrapper.setProps({ modelValue: [wrapper.vm.options[0], wrapper.vm.options[1]] });
        await wrapper.vm.onContainerClick();

        expect(wrapper.findAll('li.p-multiselect-item')[0].classes()).toContain('p-highlight');
        expect(wrapper.findAll('li.p-multiselect-item')[1].classes()).toContain('p-highlight');
    });

    it('should close panel', async () => {
        await wrapper.vm.onCloseClick();

        expect(wrapper.find('.p-multiselect-panel').exists()).toBe(false);
    });

    it('should chip work', async () => {
        await wrapper.setProps({
            display: 'chip',
            modelValue: [wrapper.vm.options[0]]
        });

        expect(wrapper.find('.p-multiselect-token').exists()).toBe(true);
        expect(wrapper.find('.p-multiselect-token-label').text()).toBe('New York');
    });
});