139 lines
3.9 KiB
JavaScript
139 lines
3.9 KiB
JavaScript
import Vue, { nextTick } from 'vue';
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import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
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import mountComponent from 'helpers/vue_mount_component_helper';
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import { DUMMY_IMAGE_URL, TEST_HOST } from 'spec/test_constants';
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import Badge from '~/badges/components/badge.vue';
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describe('Badge component', () => {
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const Component = Vue.extend(Badge);
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const dummyProps = {
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imageUrl: DUMMY_IMAGE_URL,
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linkUrl: `${TEST_HOST}/badge/link/url`,
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};
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let vm;
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const findElements = () => {
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const buttons = vm.$el.querySelectorAll('button');
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return {
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badgeImage: vm.$el.querySelector('img.project-badge'),
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loadingIcon: vm.$el.querySelector('.gl-spinner'),
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reloadButton: buttons[buttons.length - 1],
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};
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};
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const createComponent = (props, el = null) => {
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vm = mountComponent(Component, props, el);
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const { badgeImage } = findElements();
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return new Promise((resolve) => {
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badgeImage.addEventListener('load', resolve);
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// Manually dispatch load event as it is not triggered
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badgeImage.dispatchEvent(new Event('load'));
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}).then(() => nextTick());
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};
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afterEach(() => {
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vm.$destroy();
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});
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describe('watchers', () => {
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describe('imageUrl', () => {
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it('sets isLoading and resets numRetries and hasError', async () => {
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const props = { ...dummyProps };
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await createComponent(props);
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expect(vm.isLoading).toBe(false);
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vm.hasError = true;
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vm.numRetries = 42;
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vm.imageUrl = `${props.imageUrl}#something/else`;
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await nextTick();
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expect(vm.isLoading).toBe(true);
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expect(vm.numRetries).toBe(0);
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expect(vm.hasError).toBe(false);
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});
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});
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});
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describe('methods', () => {
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beforeEach(async () => {
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await createComponent({ ...dummyProps });
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});
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it('onError resets isLoading and sets hasError', () => {
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vm.hasError = false;
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vm.isLoading = true;
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vm.onError();
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expect(vm.hasError).toBe(true);
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expect(vm.isLoading).toBe(false);
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});
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it('onLoad sets isLoading', () => {
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vm.isLoading = true;
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vm.onLoad();
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expect(vm.isLoading).toBe(false);
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});
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it('reloadImage resets isLoading and hasError and increases numRetries', () => {
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vm.hasError = true;
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vm.isLoading = false;
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vm.numRetries = 0;
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vm.reloadImage();
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expect(vm.hasError).toBe(false);
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expect(vm.isLoading).toBe(true);
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expect(vm.numRetries).toBe(1);
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});
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});
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describe('behavior', () => {
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beforeEach(() => {
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setHTMLFixture('<div id="dummy-element"></div>');
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return createComponent({ ...dummyProps }, '#dummy-element');
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});
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afterEach(() => {
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resetHTMLFixture();
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});
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it('shows a badge image after loading', () => {
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expect(vm.isLoading).toBe(false);
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expect(vm.hasError).toBe(false);
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const { badgeImage, loadingIcon, reloadButton } = findElements();
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expect(badgeImage).toBeVisible();
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expect(loadingIcon).toBeHidden();
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expect(reloadButton).toBeHidden();
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expect(vm.$el.querySelector('.btn-group')).toBeHidden();
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});
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it('shows a loading icon when loading', async () => {
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vm.isLoading = true;
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await nextTick();
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const { badgeImage, loadingIcon, reloadButton } = findElements();
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expect(badgeImage).toBeHidden();
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expect(loadingIcon).toBeVisible();
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expect(reloadButton).toBeHidden();
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expect(vm.$el.querySelector('.btn-group')).toBeHidden();
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});
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it('shows an error and reload button if loading failed', async () => {
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vm.hasError = true;
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await nextTick();
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const { badgeImage, loadingIcon, reloadButton } = findElements();
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expect(badgeImage).toBeHidden();
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expect(loadingIcon).toBeHidden();
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expect(reloadButton).toBeVisible();
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expect(reloadButton).toHaveSpriteIcon('retry');
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expect(vm.$el.innerText.trim()).toBe('No badge image');
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});
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});
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});
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