gitlab-org--gitlab-foss/spec/frontend/blob/components/blob_edit_content_spec.js

105 lines
2.6 KiB
JavaScript

import { shallowMount } from '@vue/test-utils';
import { nextTick } from 'vue';
import BlobEditContent from '~/blob/components/blob_edit_content.vue';
import * as utils from '~/blob/utils';
jest.mock('~/editor/source_editor');
describe('Blob Header Editing', () => {
let wrapper;
const onDidChangeModelContent = jest.fn();
const updateModelLanguage = jest.fn();
const getValue = jest.fn();
const value = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
const fileName = 'lorem.txt';
const fileGlobalId = 'snippet_777';
function createComponent(props = {}) {
wrapper = shallowMount(BlobEditContent, {
propsData: {
value,
fileName,
fileGlobalId,
...props,
},
});
}
beforeEach(() => {
jest.spyOn(utils, 'initSourceEditor').mockImplementation(() => ({
onDidChangeModelContent,
updateModelLanguage,
getValue,
dispose: jest.fn(),
}));
createComponent();
});
afterEach(() => {
wrapper.destroy();
});
const triggerChangeContent = (val) => {
getValue.mockReturnValue(val);
const [cb] = onDidChangeModelContent.mock.calls[0];
cb();
jest.runOnlyPendingTimers();
};
describe('rendering', () => {
it('matches the snapshot', () => {
expect(wrapper.element).toMatchSnapshot();
});
it('renders content', () => {
expect(wrapper.text()).toContain(value);
});
});
describe('functionality', () => {
it('does not fail without content', () => {
const spy = jest.spyOn(global.console, 'error');
createComponent({ value: undefined });
expect(spy).not.toHaveBeenCalled();
expect(wrapper.find('#editor').exists()).toBe(true);
});
it('initialises Source Editor', () => {
const el = wrapper.find({ ref: 'editor' }).element;
expect(utils.initSourceEditor).toHaveBeenCalledWith({
el,
blobPath: fileName,
blobGlobalId: fileGlobalId,
blobContent: value,
});
});
it('reacts to the changes in fileName', () => {
const newFileName = 'ipsum.txt';
wrapper.setProps({
fileName: newFileName,
});
return nextTick().then(() => {
expect(updateModelLanguage).toHaveBeenCalledWith(newFileName);
});
});
it('registers callback with editor onChangeContent', () => {
expect(onDidChangeModelContent).toHaveBeenCalledWith(expect.any(Function));
});
it('emits input event when the blob content is changed', () => {
expect(wrapper.emitted().input).toBeUndefined();
triggerChangeContent(value);
expect(wrapper.emitted().input).toEqual([[value]]);
});
});
});