97 lines
3.6 KiB
JavaScript
97 lines
3.6 KiB
JavaScript
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import { GlSkeletonLoader } from '@gitlab/ui';
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import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
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import ObservabilitySkeleton from '~/observability/components/skeleton/index.vue';
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import DashboardsSkeleton from '~/observability/components/skeleton/dashboards.vue';
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import ExploreSkeleton from '~/observability/components/skeleton/explore.vue';
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import ManageSkeleton from '~/observability/components/skeleton/manage.vue';
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import { SKELETON_VARIANT } from '~/observability/constants';
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describe('ObservabilitySkeleton component', () => {
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let wrapper;
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const mountComponent = ({ ...props } = {}) => {
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wrapper = shallowMountExtended(ObservabilitySkeleton, {
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propsData: props,
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});
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};
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afterEach(() => {
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wrapper.destroy();
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wrapper = null;
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});
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describe('on mount', () => {
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beforeEach(() => {
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jest.spyOn(global, 'setTimeout');
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mountComponent();
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});
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it('should call setTimeout on mount and show ObservabilitySkeleton if Observability UI is not loaded yet', () => {
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jest.runAllTimers();
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expect(setTimeout).toHaveBeenCalledWith(expect.any(Function), 500);
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expect(wrapper.vm.loading).toBe(true);
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expect(wrapper.vm.timerId).not.toBeNull();
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});
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it('should call setTimeout on mount and dont show ObservabilitySkeleton if Observability UI is loaded', () => {
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wrapper.vm.loading = false;
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jest.runAllTimers();
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expect(setTimeout).toHaveBeenCalledWith(expect.any(Function), 500);
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expect(wrapper.vm.loading).toBe(false);
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expect(wrapper.vm.timerId).not.toBeNull();
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});
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});
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describe('handleSkeleton', () => {
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it('will not show the skeleton if Observability UI is loaded before', () => {
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jest.spyOn(global, 'clearTimeout');
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mountComponent();
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wrapper.vm.handleSkeleton();
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expect(clearTimeout).toHaveBeenCalledWith(wrapper.vm.timerId);
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});
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it('will hide skeleton gracefully after 400ms if skeleton was present on screen before Observability UI', () => {
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jest.spyOn(global, 'setTimeout');
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mountComponent();
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jest.runAllTimers();
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wrapper.vm.handleSkeleton();
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jest.runAllTimers();
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expect(setTimeout).toHaveBeenCalledWith(wrapper.vm.hideSkeleton, 400);
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expect(wrapper.vm.loading).toBe(false);
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});
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});
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describe('skeleton variant', () => {
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it.each`
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skeletonType | condition | variant
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${'dashboards'} | ${'variant is dashboards'} | ${SKELETON_VARIANT.DASHBOARDS}
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${'explore'} | ${'variant is explore'} | ${SKELETON_VARIANT.EXPLORE}
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${'manage'} | ${'variant is manage'} | ${SKELETON_VARIANT.MANAGE}
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${'default'} | ${'variant is not manage, dashboards or explore'} | ${'unknown'}
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`('should render $skeletonType skeleton if $condition', async ({ skeletonType, variant }) => {
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mountComponent({ variant });
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const showsDefaultSkeleton = ![
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SKELETON_VARIANT.DASHBOARDS,
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SKELETON_VARIANT.EXPLORE,
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SKELETON_VARIANT.MANAGE,
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].includes(variant);
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expect(wrapper.findComponent(DashboardsSkeleton).exists()).toBe(
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skeletonType === SKELETON_VARIANT.DASHBOARDS,
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);
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expect(wrapper.findComponent(ExploreSkeleton).exists()).toBe(
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skeletonType === SKELETON_VARIANT.EXPLORE,
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);
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expect(wrapper.findComponent(ManageSkeleton).exists()).toBe(
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skeletonType === SKELETON_VARIANT.MANAGE,
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);
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expect(wrapper.findComponent(GlSkeletonLoader).exists()).toBe(showsDefaultSkeleton);
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});
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});
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});
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