debian-mirror-gitlab/spec/frontend/vue_shared/components/slot_switch_spec.js

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2019-12-26 22:10:19 +05:30
import { shallowMount } from '@vue/test-utils';
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import SlotSwitch from '~/vue_shared/components/slot_switch.vue';
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describe('SlotSwitch', () => {
const slots = {
first: '<a>AGP</a>',
second: '<p>PCI</p>',
};
let wrapper;
const createComponent = propsData => {
wrapper = shallowMount(SlotSwitch, {
propsData,
slots,
});
};
const getChildrenHtml = () => wrapper.findAll('* *').wrappers.map(c => c.html());
afterEach(() => {
if (wrapper) {
wrapper.destroy();
}
});
it('throws an error if activeSlotNames is missing', () => {
expect(createComponent).toThrow('[Vue warn]: Missing required prop: "activeSlotNames"');
});
it('renders no slots if activeSlotNames is empty', () => {
createComponent({
activeSlotNames: [],
});
expect(getChildrenHtml().length).toBe(0);
});
it('renders one slot if activeSlotNames contains single slot name', () => {
createComponent({
activeSlotNames: ['first'],
});
expect(getChildrenHtml()).toEqual([slots.first]);
});
it('renders multiple slots if activeSlotNames contains multiple slot names', () => {
createComponent({
activeSlotNames: Object.keys(slots),
});
expect(getChildrenHtml()).toEqual(Object.values(slots));
});
});