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import { shallowMount } from '@vue/test-utils';
import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
import LegacyContainer from '~/vue_shared/new_namespace/components/legacy_container.vue';
describe('Legacy container component', () => {
let wrapper;
let dummy;
const createComponent = (propsData) => {
wrapper = shallowMount(LegacyContainer, { propsData });
};
afterEach(() => {
wrapper.destroy();
resetHTMLFixture();
wrapper = null;
});
describe('when selector targets real node', () => {
beforeEach(() => {
setHTMLFixture('<div class="dummy-target"></div>');
dummy = document.querySelector('.dummy-target');
createComponent({ selector: '.dummy-target' });
});
describe('when mounted', () => {
it('moves node inside component', () => {
expect(dummy.parentNode).toBe(wrapper.element);
});
it('sets active class', () => {
expect(dummy.classList.contains('active')).toBe(true);
});
});
describe('when unmounted', () => {
beforeEach(() => {
wrapper.destroy();
});
it('moves node back', () => {
expect(dummy.parentNode).toBe(document.body);
});
it('removes active class', () => {
expect(dummy.classList.contains('active')).toBe(false);
});
});
});
describe('when selector targets template node', () => {
beforeEach(() => {
setHTMLFixture('<template class="dummy-target">content</template>');
dummy = document.querySelector('.dummy-target');
createComponent({ selector: '.dummy-target' });
});
it('copies node content when mounted', () => {
expect(dummy.innerHTML).toEqual(wrapper.element.innerHTML);
expect(dummy.parentNode).toBe(document.body);
});
});
});
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