98 lines
2.6 KiB
JavaScript
98 lines
2.6 KiB
JavaScript
import { mount } from '@vue/test-utils';
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import { GlButtonGroup, GlButton } from '@gitlab/ui';
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import BlobHeaderViewerSwitcher from '~/blob/components/blob_header_viewer_switcher.vue';
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import {
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RICH_BLOB_VIEWER,
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RICH_BLOB_VIEWER_TITLE,
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SIMPLE_BLOB_VIEWER,
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SIMPLE_BLOB_VIEWER_TITLE,
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} from '~/blob/components/constants';
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describe('Blob Header Viewer Switcher', () => {
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let wrapper;
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function createComponent(propsData = {}) {
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wrapper = mount(BlobHeaderViewerSwitcher, {
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propsData,
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});
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}
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afterEach(() => {
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wrapper.destroy();
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});
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describe('intiialization', () => {
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it('is initialized with simple viewer as active', () => {
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createComponent();
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expect(wrapper.vm.value).toBe(SIMPLE_BLOB_VIEWER);
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});
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});
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describe('rendering', () => {
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let btnGroup;
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let buttons;
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beforeEach(() => {
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createComponent();
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btnGroup = wrapper.find(GlButtonGroup);
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buttons = wrapper.findAll(GlButton);
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});
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it('renders gl-button-group component', () => {
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expect(btnGroup.exists()).toBe(true);
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});
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it('renders exactly 2 buttons with predefined actions', () => {
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expect(buttons.length).toBe(2);
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[SIMPLE_BLOB_VIEWER_TITLE, RICH_BLOB_VIEWER_TITLE].forEach((title, i) => {
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expect(buttons.at(i).attributes('title')).toBe(title);
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});
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});
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});
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describe('viewer changes', () => {
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let buttons;
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let simpleBtn;
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let richBtn;
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function factory(propsData = {}) {
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createComponent(propsData);
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buttons = wrapper.findAll(GlButton);
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simpleBtn = buttons.at(0);
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richBtn = buttons.at(1);
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jest.spyOn(wrapper.vm, '$emit');
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}
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it('does not switch the viewer if the selected one is already active', () => {
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factory();
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expect(wrapper.vm.value).toBe(SIMPLE_BLOB_VIEWER);
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simpleBtn.vm.$emit('click');
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expect(wrapper.vm.value).toBe(SIMPLE_BLOB_VIEWER);
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expect(wrapper.vm.$emit).not.toHaveBeenCalled();
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});
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it('emits an event when a Rich Viewer button is clicked', () => {
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factory();
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expect(wrapper.vm.value).toBe(SIMPLE_BLOB_VIEWER);
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richBtn.vm.$emit('click');
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return wrapper.vm.$nextTick().then(() => {
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expect(wrapper.vm.$emit).toHaveBeenCalledWith('input', RICH_BLOB_VIEWER);
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});
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});
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it('emits an event when a Simple Viewer button is clicked', () => {
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factory({
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value: RICH_BLOB_VIEWER,
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});
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simpleBtn.vm.$emit('click');
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return wrapper.vm.$nextTick().then(() => {
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expect(wrapper.vm.$emit).toHaveBeenCalledWith('input', SIMPLE_BLOB_VIEWER);
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});
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});
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});
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});
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