gitlab-ce/spec/frontend/blob/components/blob_header_viewer_switcher...

86 lines
2.6 KiB
JavaScript

import { GlButtonGroup, GlButton } from '@gitlab/ui';
import { mount } from '@vue/test-utils';
import { nextTick } from 'vue';
import BlobHeaderViewerSwitcher from '~/blob/components/blob_header_viewer_switcher.vue';
import {
RICH_BLOB_VIEWER,
RICH_BLOB_VIEWER_TITLE,
SIMPLE_BLOB_VIEWER,
SIMPLE_BLOB_VIEWER_TITLE,
} from '~/blob/components/constants';
describe('Blob Header Viewer Switcher', () => {
let wrapper;
function createComponent(propsData = {}) {
wrapper = mount(BlobHeaderViewerSwitcher, {
propsData,
});
}
const findSimpleViewerButton = () => wrapper.findComponent('[data-viewer="simple"]');
const findRichViewerButton = () => wrapper.findComponent('[data-viewer="rich"]');
describe('intiialization', () => {
it('is initialized with simple viewer as active', () => {
createComponent();
expect(findSimpleViewerButton().props('selected')).toBe(true);
expect(findRichViewerButton().props('selected')).toBe(false);
});
});
describe('rendering', () => {
let btnGroup;
let buttons;
beforeEach(() => {
createComponent();
btnGroup = wrapper.findComponent(GlButtonGroup);
buttons = wrapper.findAllComponents(GlButton);
});
it('renders gl-button-group component', () => {
expect(btnGroup.exists()).toBe(true);
});
it('renders exactly 2 buttons with predefined actions', () => {
expect(buttons.length).toBe(2);
[SIMPLE_BLOB_VIEWER_TITLE, RICH_BLOB_VIEWER_TITLE].forEach((title, i) => {
expect(buttons.at(i).attributes('title')).toBe(title);
});
});
});
describe('viewer changes', () => {
it('does not switch the viewer if the selected one is already active', async () => {
createComponent();
expect(findSimpleViewerButton().props('selected')).toBe(true);
findSimpleViewerButton().vm.$emit('click');
await nextTick();
expect(findSimpleViewerButton().props('selected')).toBe(true);
expect(wrapper.emitted('input')).toBe(undefined);
});
it('emits an event when a Rich Viewer button is clicked', async () => {
createComponent();
expect(findSimpleViewerButton().props('selected')).toBe(true);
findRichViewerButton().vm.$emit('click');
await nextTick();
expect(wrapper.emitted('input')).toEqual([[RICH_BLOB_VIEWER]]);
});
it('emits an event when a Simple Viewer button is clicked', async () => {
createComponent({ value: RICH_BLOB_VIEWER });
findSimpleViewerButton().vm.$emit('click');
await nextTick();
expect(wrapper.emitted('input')).toEqual([[SIMPLE_BLOB_VIEWER]]);
});
});
});