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import { shallowMount } from '@vue/test-utils';
import RichContentEditor from '~/vue_shared/components/rich_content_editor/rich_content_editor.vue';
import AddImageModal from '~/vue_shared/components/rich_content_editor/modals/add_image_modal.vue';
import {
EDITOR_OPTIONS,
EDITOR_TYPES,
EDITOR_HEIGHT,
EDITOR_PREVIEW_STYLE,
CUSTOM_EVENTS,
} from '~/vue_shared/components/rich_content_editor/constants';
import {
addCustomEventListener,
removeCustomEventListener,
addImage,
} from '~/vue_shared/components/rich_content_editor/editor_service';
jest.mock('~/vue_shared/components/rich_content_editor/editor_service', () => ({
...jest.requireActual('~/vue_shared/components/rich_content_editor/editor_service'),
addCustomEventListener: jest.fn(),
removeCustomEventListener: jest.fn(),
addImage: jest.fn(),
}));
describe('Rich Content Editor', () => {
let wrapper;
const value = '## Some Markdown';
const findEditor = () => wrapper.find({ ref: 'editor' });
const findAddImageModal = () => wrapper.find(AddImageModal);
beforeEach(() => {
wrapper = shallowMount(RichContentEditor, {
propsData: { value },
});
});
describe('when content is loaded', () => {
it('renders an editor', () => {
expect(findEditor().exists()).toBe(true);
});
it('renders the correct content', () => {
expect(findEditor().props().initialValue).toBe(value);
});
it('provides the correct editor options', () => {
expect(findEditor().props().options).toEqual(EDITOR_OPTIONS);
});
it('has the correct preview style', () => {
expect(findEditor().props().previewStyle).toBe(EDITOR_PREVIEW_STYLE);
});
it('has the correct initial edit type', () => {
expect(findEditor().props().initialEditType).toBe(EDITOR_TYPES.wysiwyg);
});
it('has the correct height', () => {
expect(findEditor().props().height).toBe(EDITOR_HEIGHT);
});
});
describe('when content is changed', () => {
it('emits an input event with the changed content', () => {
const changedMarkdown = '## Changed Markdown';
const getMarkdownMock = jest.fn().mockReturnValueOnce(changedMarkdown);
findEditor().setMethods({ invoke: getMarkdownMock });
findEditor().vm.$emit('change');
expect(wrapper.emitted().input[0][0]).toBe(changedMarkdown);
});
});
describe('when editor is loaded', () => {
it('adds the CUSTOM_EVENTS.openAddImageModal custom event listener', () => {
const mockEditorApi = { eventManager: { addEventType: jest.fn(), listen: jest.fn() } };
findEditor().vm.$emit('load', mockEditorApi);
expect(addCustomEventListener).toHaveBeenCalledWith(
mockEditorApi,
CUSTOM_EVENTS.openAddImageModal,
wrapper.vm.onOpenAddImageModal,
);
});
});
describe('when editor is destroyed', () => {
it('removes the CUSTOM_EVENTS.openAddImageModal custom event listener', () => {
const mockEditorApi = { eventManager: { removeEventHandler: jest.fn() } };
wrapper.vm.editorApi = mockEditorApi;
wrapper.vm.$destroy();
expect(removeCustomEventListener).toHaveBeenCalledWith(
mockEditorApi,
CUSTOM_EVENTS.openAddImageModal,
wrapper.vm.onOpenAddImageModal,
);
});
});
describe('add image modal', () => {
it('renders an addImageModal component', () => {
expect(findAddImageModal().exists()).toBe(true);
});
it('calls the onAddImage method when the addImage event is emitted', () => {
const mockImage = { imageUrl: 'some/url.png', description: 'some description' };
const mockInstance = { exec: jest.fn() };
wrapper.vm.$refs.editor = mockInstance;
findAddImageModal().vm.$emit('addImage', mockImage);
expect(addImage).toHaveBeenCalledWith(mockInstance, mockImage);
});
});
});
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