gitlab-org--gitlab-foss/spec/frontend/content_editor/components/editor_state_observer_spec.js

76 lines
2.1 KiB
JavaScript

import { shallowMount } from '@vue/test-utils';
import { each } from 'lodash';
import EditorStateObserver, {
tiptapToComponentMap,
} from '~/content_editor/components/editor_state_observer.vue';
import { createTestEditor } from '../test_utils';
describe('content_editor/components/editor_state_observer', () => {
let tiptapEditor;
let wrapper;
let onDocUpdateListener;
let onSelectionUpdateListener;
let onTransactionListener;
const buildEditor = () => {
tiptapEditor = createTestEditor();
jest.spyOn(tiptapEditor, 'on');
};
const buildWrapper = () => {
wrapper = shallowMount(EditorStateObserver, {
provide: { tiptapEditor },
listeners: {
docUpdate: onDocUpdateListener,
selectionUpdate: onSelectionUpdateListener,
transaction: onTransactionListener,
},
});
};
beforeEach(() => {
onDocUpdateListener = jest.fn();
onSelectionUpdateListener = jest.fn();
onTransactionListener = jest.fn();
buildEditor();
buildWrapper();
});
afterEach(() => {
wrapper.destroy();
});
describe('when editor content changes', () => {
it('emits update, selectionUpdate, and transaction events', () => {
const content = '<p>My paragraph</p>';
tiptapEditor.commands.insertContent(content);
expect(onDocUpdateListener).toHaveBeenCalledWith(
expect.objectContaining({ editor: tiptapEditor }),
);
expect(onSelectionUpdateListener).toHaveBeenCalledWith(
expect.objectContaining({ editor: tiptapEditor }),
);
expect(onSelectionUpdateListener).toHaveBeenCalledWith(
expect.objectContaining({ editor: tiptapEditor }),
);
});
});
describe('when component is destroyed', () => {
it('removes onTiptapDocUpdate and onTiptapSelectionUpdate hooks', () => {
jest.spyOn(tiptapEditor, 'off');
wrapper.destroy();
each(tiptapToComponentMap, (_, tiptapEvent) => {
expect(tiptapEditor.off).toHaveBeenCalledWith(
tiptapEvent,
tiptapEditor.on.mock.calls.find(([eventName]) => eventName === tiptapEvent)[1],
);
});
});
});
});