33 lines
854 B
JavaScript
33 lines
854 B
JavaScript
import { mount } from '@vue/test-utils';
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import { keepAlive } from './keep_alive_component_helper';
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const component = {
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template: '<div>Test Component</div>',
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};
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describe('keepAlive', () => {
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let wrapper;
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beforeEach(() => {
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wrapper = mount(keepAlive(component));
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});
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afterEach(() => {
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wrapper.destroy();
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});
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it('converts a component to a keep-alive component', async () => {
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const { element } = wrapper.find(component);
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await wrapper.vm.deactivate();
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expect(wrapper.find(component).exists()).toBe(false);
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await wrapper.vm.activate();
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// assert that when the component is destroyed and re-rendered, the
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// newly rendered component has the reference to the old component
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// (i.e. the old component was deactivated and activated)
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expect(wrapper.find(component).element).toBe(element);
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});
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});
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