697 lines
22 KiB
JavaScript
697 lines
22 KiB
JavaScript
/* eslint-disable max-classes-per-file */
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import { editor as monacoEditor, languages as monacoLanguages } from 'monaco-editor';
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import waitForPromises from 'helpers/wait_for_promises';
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import {
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EDITOR_LITE_INSTANCE_ERROR_NO_EL,
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URI_PREFIX,
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EDITOR_READY_EVENT,
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} from '~/editor/constants';
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import EditorLite from '~/editor/editor_lite';
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import { EditorLiteExtension } from '~/editor/extensions/editor_lite_extension_base';
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import { DEFAULT_THEME, themes } from '~/ide/lib/themes';
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import { joinPaths } from '~/lib/utils/url_utility';
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describe('Base editor', () => {
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let editorEl;
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let editor;
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let defaultArguments;
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const blobOriginalContent = 'Foo Foo';
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const blobContent = 'Foo Bar';
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const blobPath = 'test.md';
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const blobGlobalId = 'snippet_777';
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const fakeModel = { foo: 'bar', dispose: jest.fn() };
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beforeEach(() => {
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setFixtures('<div id="editor" data-editor-loading></div>');
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editorEl = document.getElementById('editor');
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defaultArguments = { el: editorEl, blobPath, blobContent, blobGlobalId };
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editor = new EditorLite();
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});
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afterEach(() => {
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editor.dispose();
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editorEl.remove();
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monacoEditor.getModels().forEach((model) => {
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model.dispose();
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});
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});
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const uriFilePath = joinPaths('/', URI_PREFIX, blobGlobalId, blobPath);
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it('initializes Editor with basic properties', () => {
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expect(editor).toBeDefined();
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expect(editor.instances).toEqual([]);
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});
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it('removes `editor-loading` data attribute from the target DOM element', () => {
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editor.createInstance({ el: editorEl });
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expect(editorEl.dataset.editorLoading).toBeUndefined();
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});
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describe('instance of the Editor Lite', () => {
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let modelSpy;
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let instanceSpy;
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const setModel = jest.fn();
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const dispose = jest.fn();
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const mockModelReturn = (res = fakeModel) => {
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modelSpy = jest.spyOn(monacoEditor, 'createModel').mockImplementation(() => res);
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};
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const mockDecorateInstance = (decorations = {}) => {
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jest.spyOn(EditorLite, 'convertMonacoToELInstance').mockImplementation((inst) => {
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return Object.assign(inst, decorations);
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});
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};
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beforeEach(() => {
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modelSpy = jest.spyOn(monacoEditor, 'createModel');
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});
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describe('instance of the Code Editor', () => {
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beforeEach(() => {
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instanceSpy = jest.spyOn(monacoEditor, 'create');
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});
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it('throws an error if no dom element is supplied', () => {
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mockDecorateInstance();
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expect(() => {
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editor.createInstance();
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}).toThrow(EDITOR_LITE_INSTANCE_ERROR_NO_EL);
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expect(modelSpy).not.toHaveBeenCalled();
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expect(instanceSpy).not.toHaveBeenCalled();
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expect(EditorLite.convertMonacoToELInstance).not.toHaveBeenCalled();
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});
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it('creates model to be supplied to Monaco editor', () => {
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mockModelReturn();
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mockDecorateInstance({
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setModel,
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});
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editor.createInstance(defaultArguments);
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expect(modelSpy).toHaveBeenCalledWith(
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blobContent,
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undefined,
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expect.objectContaining({
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path: uriFilePath,
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}),
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);
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expect(setModel).toHaveBeenCalledWith(fakeModel);
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});
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it('does not create a model automatically if model is passed as `null`', () => {
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mockDecorateInstance({
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setModel,
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});
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editor.createInstance({ ...defaultArguments, model: null });
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expect(modelSpy).not.toHaveBeenCalled();
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expect(setModel).not.toHaveBeenCalled();
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});
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it('initializes the instance on a supplied DOM node', () => {
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editor.createInstance({ el: editorEl });
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expect(editor.editorEl).not.toBe(null);
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expect(instanceSpy).toHaveBeenCalledWith(editorEl, expect.anything());
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});
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it('with blobGlobalId, creates model with the id in uri', () => {
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editor.createInstance(defaultArguments);
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expect(modelSpy).toHaveBeenCalledWith(
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blobContent,
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undefined,
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expect.objectContaining({
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path: uriFilePath,
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}),
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);
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});
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it('initializes instance with passed properties', () => {
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const instanceOptions = {
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foo: 'bar',
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};
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editor.createInstance({
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el: editorEl,
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...instanceOptions,
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});
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expect(instanceSpy).toHaveBeenCalledWith(
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editorEl,
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expect.objectContaining(instanceOptions),
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);
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});
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it('disposes instance when the global editor is disposed', () => {
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mockDecorateInstance({
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dispose,
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});
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editor.createInstance(defaultArguments);
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expect(dispose).not.toHaveBeenCalled();
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editor.dispose();
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expect(dispose).toHaveBeenCalled();
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});
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it("removes the disposed instance from the global editor's storage and disposes the associated model", () => {
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mockModelReturn();
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mockDecorateInstance({
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setModel,
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});
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const instance = editor.createInstance(defaultArguments);
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expect(editor.instances).toHaveLength(1);
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expect(fakeModel.dispose).not.toHaveBeenCalled();
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instance.dispose();
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expect(editor.instances).toHaveLength(0);
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expect(fakeModel.dispose).toHaveBeenCalled();
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});
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});
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describe('instance of the Diff Editor', () => {
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beforeEach(() => {
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instanceSpy = jest.spyOn(monacoEditor, 'createDiffEditor');
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});
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it('Diff Editor goes through the normal path of Code Editor just with the flag ON', () => {
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const spy = jest.spyOn(editor, 'createInstance').mockImplementation(() => {});
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editor.createDiffInstance();
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expect(spy).toHaveBeenCalledWith(
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expect.objectContaining({
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isDiff: true,
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}),
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);
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});
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it('initializes the instance on a supplied DOM node', () => {
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const wrongInstanceSpy = jest.spyOn(monacoEditor, 'create').mockImplementation(() => ({}));
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editor.createDiffInstance({ ...defaultArguments, blobOriginalContent });
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expect(editor.editorEl).not.toBe(null);
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expect(wrongInstanceSpy).not.toHaveBeenCalled();
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expect(instanceSpy).toHaveBeenCalledWith(editorEl, expect.anything());
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});
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it('creates correct model for the Diff Editor', () => {
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const instance = editor.createDiffInstance({ ...defaultArguments, blobOriginalContent });
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const getDiffModelValue = (model) => instance.getModel()[model].getValue();
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expect(modelSpy).toHaveBeenCalledTimes(2);
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expect(modelSpy.mock.calls[0]).toEqual([
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blobContent,
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undefined,
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expect.objectContaining({
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path: uriFilePath,
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}),
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]);
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expect(modelSpy.mock.calls[1]).toEqual([blobOriginalContent, 'markdown']);
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expect(getDiffModelValue('original')).toBe(blobOriginalContent);
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expect(getDiffModelValue('modified')).toBe(blobContent);
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});
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it('correctly disposes the diff editor model', () => {
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const modifiedModel = fakeModel;
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const originalModel = { ...fakeModel };
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mockDecorateInstance({
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getModel: jest.fn().mockReturnValue({
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original: originalModel,
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modified: modifiedModel,
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}),
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});
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const instance = editor.createDiffInstance({ ...defaultArguments, blobOriginalContent });
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expect(editor.instances).toHaveLength(1);
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expect(originalModel.dispose).not.toHaveBeenCalled();
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expect(modifiedModel.dispose).not.toHaveBeenCalled();
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instance.dispose();
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expect(editor.instances).toHaveLength(0);
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expect(originalModel.dispose).toHaveBeenCalled();
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expect(modifiedModel.dispose).toHaveBeenCalled();
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});
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});
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});
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describe('multiple instances', () => {
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let instanceSpy;
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let inst1Args;
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let inst2Args;
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let editorEl1;
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let editorEl2;
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let inst1;
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let inst2;
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const readOnlyIndex = '68'; // readOnly option has the internal index of 68 in the editor's options
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beforeEach(() => {
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setFixtures('<div id="editor1"></div><div id="editor2"></div>');
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editorEl1 = document.getElementById('editor1');
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editorEl2 = document.getElementById('editor2');
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inst1Args = {
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el: editorEl1,
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};
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inst2Args = {
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el: editorEl2,
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blobContent,
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blobPath,
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};
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editor = new EditorLite();
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instanceSpy = jest.spyOn(monacoEditor, 'create');
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});
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afterEach(() => {
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editor.dispose();
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});
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it('can initialize several instances of the same editor', () => {
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editor.createInstance(inst1Args);
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expect(editor.instances).toHaveLength(1);
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editor.createInstance(inst2Args);
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expect(instanceSpy).toHaveBeenCalledTimes(2);
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expect(editor.instances).toHaveLength(2);
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});
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it('sets independent models on independent instances', () => {
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inst1 = editor.createInstance(inst1Args);
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inst2 = editor.createInstance(inst2Args);
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const model1 = inst1.getModel();
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const model2 = inst2.getModel();
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expect(model1).toBeDefined();
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expect(model2).toBeDefined();
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expect(model1).not.toEqual(model2);
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});
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it('does not create a new model if a model for the path & globalId combo already exists', () => {
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const modelSpy = jest.spyOn(monacoEditor, 'createModel');
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inst1 = editor.createInstance({ ...inst2Args, blobGlobalId });
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inst2 = editor.createInstance({ ...inst2Args, el: editorEl1, blobGlobalId });
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const model1 = inst1.getModel();
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const model2 = inst2.getModel();
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expect(modelSpy).toHaveBeenCalledTimes(1);
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expect(model1).toBe(model2);
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});
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it('shares global editor options among all instances', () => {
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editor = new EditorLite({
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readOnly: true,
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});
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inst1 = editor.createInstance(inst1Args);
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expect(inst1.getOption(readOnlyIndex)).toBe(true);
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inst2 = editor.createInstance(inst2Args);
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expect(inst2.getOption(readOnlyIndex)).toBe(true);
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});
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it('allows overriding editor options on the instance level', () => {
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editor = new EditorLite({
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readOnly: true,
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});
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inst1 = editor.createInstance({
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...inst1Args,
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readOnly: false,
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});
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expect(inst1.getOption(readOnlyIndex)).toBe(false);
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});
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it('disposes instances and relevant models independently from each other', () => {
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inst1 = editor.createInstance(inst1Args);
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inst2 = editor.createInstance(inst2Args);
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expect(inst1.getModel()).not.toBe(null);
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expect(inst2.getModel()).not.toBe(null);
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expect(editor.instances).toHaveLength(2);
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expect(monacoEditor.getModels()).toHaveLength(2);
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inst1.dispose();
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expect(inst1.getModel()).toBe(null);
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expect(inst2.getModel()).not.toBe(null);
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expect(editor.instances).toHaveLength(1);
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expect(monacoEditor.getModels()).toHaveLength(1);
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});
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});
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describe('implementation', () => {
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let instance;
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beforeEach(() => {
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instance = editor.createInstance({ el: editorEl, blobPath, blobContent });
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});
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it('correctly proxies value from the model', () => {
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expect(instance.getValue()).toBe(blobContent);
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});
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it('is capable of changing the language of the model', () => {
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// ignore warnings and errors Monaco posts during setup
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// (due to being called from Jest/Node.js environment)
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jest.spyOn(console, 'warn').mockImplementation(() => {});
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jest.spyOn(console, 'error').mockImplementation(() => {});
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const blobRenamedPath = 'test.js';
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expect(instance.getModel().getLanguageIdentifier().language).toBe('markdown');
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instance.updateModelLanguage(blobRenamedPath);
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expect(instance.getModel().getLanguageIdentifier().language).toBe('javascript');
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});
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it('falls back to plaintext if there is no language associated with an extension', () => {
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const blobRenamedPath = 'test.myext';
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const spy = jest.spyOn(console, 'error').mockImplementation(() => {});
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instance.updateModelLanguage(blobRenamedPath);
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expect(spy).not.toHaveBeenCalled();
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expect(instance.getModel().getLanguageIdentifier().language).toBe('plaintext');
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});
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});
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describe('extensions', () => {
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let instance;
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const alphaRes = jest.fn();
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const betaRes = jest.fn();
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const fooRes = jest.fn();
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const barRes = jest.fn();
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class AlphaClass {
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constructor() {
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this.res = alphaRes;
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}
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alpha() {
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return this?.nonExistentProp || alphaRes;
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}
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}
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class BetaClass {
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beta() {
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return this?.nonExistentProp || betaRes;
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}
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}
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class WithStaticMethod {
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constructor({ instance: inst, ...options } = {}) {
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Object.assign(inst, options);
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}
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static computeBoo(a) {
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return a + 1;
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}
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boo() {
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return WithStaticMethod.computeBoo(this.base);
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}
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}
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class WithStaticMethodExtended extends EditorLiteExtension {
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static computeBoo(a) {
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return a + 1;
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}
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boo() {
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return WithStaticMethodExtended.computeBoo(this.base);
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}
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}
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const AlphaExt = new AlphaClass();
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const BetaExt = new BetaClass();
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const FooObjExt = {
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foo() {
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return fooRes;
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},
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};
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const BarObjExt = {
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bar() {
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return barRes;
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},
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};
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describe('basic functionality', () => {
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beforeEach(() => {
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instance = editor.createInstance({ el: editorEl, blobPath, blobContent });
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});
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it('does not fail if no extensions supplied', () => {
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const spy = jest.spyOn(global.console, 'error');
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instance.use();
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expect(spy).not.toHaveBeenCalled();
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});
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it("does not extend instance with extension's constructor", () => {
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expect(instance.constructor).toBeDefined();
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const { constructor } = instance;
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expect(AlphaExt.constructor).toBeDefined();
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expect(AlphaExt.constructor).not.toEqual(constructor);
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instance.use(AlphaExt);
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expect(instance.constructor).toBe(constructor);
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});
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it.each`
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type | extensions | methods | expectations
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${'ES6 classes'} | ${AlphaExt} | ${['alpha']} | ${[alphaRes]}
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${'multiple ES6 classes'} | ${[AlphaExt, BetaExt]} | ${['alpha', 'beta']} | ${[alphaRes, betaRes]}
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${'simple objects'} | ${FooObjExt} | ${['foo']} | ${[fooRes]}
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${'multiple simple objects'} | ${[FooObjExt, BarObjExt]} | ${['foo', 'bar']} | ${[fooRes, barRes]}
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${'combination of ES6 classes and objects'} | ${[AlphaExt, BarObjExt]} | ${['alpha', 'bar']} | ${[alphaRes, barRes]}
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`('is extensible with $type', ({ extensions, methods, expectations } = {}) => {
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methods.forEach((method) => {
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expect(instance[method]).toBeUndefined();
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});
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instance.use(extensions);
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methods.forEach((method) => {
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expect(instance[method]).toBeDefined();
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});
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expectations.forEach((expectation, i) => {
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expect(instance[methods[i]].call()).toEqual(expectation);
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});
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});
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it('does not extend instance with private data of an extension', () => {
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const ext = new WithStaticMethod({ instance });
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ext.staticMethod = () => {
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return 'foo';
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};
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ext.staticProp = 'bar';
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expect(instance.boo).toBeUndefined();
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expect(instance.staticMethod).toBeUndefined();
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expect(instance.staticProp).toBeUndefined();
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instance.use(ext);
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expect(instance.boo).toBeDefined();
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expect(instance.staticMethod).toBeUndefined();
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expect(instance.staticProp).toBeUndefined();
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});
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it.each([WithStaticMethod, WithStaticMethodExtended])(
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'properly resolves data for an extension with private data',
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(ExtClass) => {
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const base = 1;
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expect(instance.base).toBeUndefined();
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expect(instance.boo).toBeUndefined();
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const ext = new ExtClass({ instance, base });
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instance.use(ext);
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expect(instance.base).toBe(1);
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expect(instance.boo()).toBe(2);
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},
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);
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it('uses the last definition of a method in case of an overlap', () => {
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const FooObjExt2 = { foo: 'foo2' };
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instance.use([FooObjExt, BarObjExt, FooObjExt2]);
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expect(instance).toMatchObject({
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foo: 'foo2',
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...BarObjExt,
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});
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});
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it('correctly resolves references withing extensions', () => {
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const FunctionExt = {
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inst() {
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return this;
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},
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mod() {
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return this.getModel();
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},
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};
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instance.use(FunctionExt);
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expect(instance.inst()).toEqual(editor.instances[0]);
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});
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});
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describe('extensions as an instance parameter', () => {
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let editorExtensionSpy;
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const instanceConstructor = (extensions = []) => {
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return editor.createInstance({
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el: editorEl,
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blobPath,
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blobContent,
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extensions,
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});
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};
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beforeEach(() => {
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editorExtensionSpy = jest
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.spyOn(EditorLite, 'pushToImportsArray')
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.mockImplementation((arr) => {
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arr.push(
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Promise.resolve({
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default: {},
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|
}),
|
|
);
|
|
});
|
|
});
|
|
|
|
it.each([undefined, [], [''], ''])(
|
|
'does not fail and makes no fetch if extensions is %s',
|
|
() => {
|
|
instance = instanceConstructor(null);
|
|
expect(editorExtensionSpy).not.toHaveBeenCalled();
|
|
},
|
|
);
|
|
|
|
it.each`
|
|
type | value | callsCount
|
|
${'simple string'} | ${'foo'} | ${1}
|
|
${'combined string'} | ${'foo, bar'} | ${2}
|
|
${'array of strings'} | ${['foo', 'bar']} | ${2}
|
|
`('accepts $type as an extension parameter', ({ value, callsCount }) => {
|
|
instance = instanceConstructor(value);
|
|
expect(editorExtensionSpy).toHaveBeenCalled();
|
|
expect(editorExtensionSpy.mock.calls).toHaveLength(callsCount);
|
|
});
|
|
|
|
it.each`
|
|
desc | path | expectation
|
|
${'~/editor'} | ${'foo'} | ${'~/editor/foo'}
|
|
${'~/CUSTOM_PATH with leading slash'} | ${'/my_custom_path/bar'} | ${'~/my_custom_path/bar'}
|
|
${'~/CUSTOM_PATH without leading slash'} | ${'my_custom_path/delta'} | ${'~/my_custom_path/delta'}
|
|
`('fetches extensions from $desc path', ({ path, expectation }) => {
|
|
instance = instanceConstructor(path);
|
|
expect(editorExtensionSpy).toHaveBeenCalledWith(expect.any(Array), expectation);
|
|
});
|
|
|
|
it('emits EDITOR_READY_EVENT event after all extensions were applied', async () => {
|
|
const calls = [];
|
|
const eventSpy = jest.fn().mockImplementation(() => {
|
|
calls.push('event');
|
|
});
|
|
const useSpy = jest.fn().mockImplementation(() => {
|
|
calls.push('use');
|
|
});
|
|
jest.spyOn(EditorLite, 'convertMonacoToELInstance').mockImplementation((inst) => {
|
|
const decoratedInstance = inst;
|
|
decoratedInstance.use = useSpy;
|
|
return decoratedInstance;
|
|
});
|
|
editorEl.addEventListener(EDITOR_READY_EVENT, eventSpy);
|
|
instance = instanceConstructor('foo, bar');
|
|
await waitForPromises();
|
|
expect(useSpy.mock.calls).toHaveLength(2);
|
|
expect(calls).toEqual(['use', 'use', 'event']);
|
|
});
|
|
});
|
|
|
|
describe('multiple instances', () => {
|
|
let inst1;
|
|
let inst2;
|
|
let editorEl1;
|
|
let editorEl2;
|
|
|
|
beforeEach(() => {
|
|
setFixtures('<div id="editor1"></div><div id="editor2"></div>');
|
|
editorEl1 = document.getElementById('editor1');
|
|
editorEl2 = document.getElementById('editor2');
|
|
inst1 = editor.createInstance({ el: editorEl1, blobPath: `foo-${blobPath}` });
|
|
inst2 = editor.createInstance({ el: editorEl2, blobPath: `bar-${blobPath}` });
|
|
});
|
|
|
|
afterEach(() => {
|
|
editor.dispose();
|
|
editorEl1.remove();
|
|
editorEl2.remove();
|
|
});
|
|
|
|
it('extends all instances if no specific instance is passed', () => {
|
|
editor.use(AlphaExt);
|
|
expect(inst1.alpha()).toEqual(alphaRes);
|
|
expect(inst2.alpha()).toEqual(alphaRes);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('languages', () => {
|
|
it('registers custom languages defined with Monaco', () => {
|
|
expect(monacoLanguages.getLanguages()).toEqual(
|
|
expect.arrayContaining([
|
|
expect.objectContaining({
|
|
id: 'vue',
|
|
}),
|
|
]),
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('syntax highlighting theme', () => {
|
|
let themeDefineSpy;
|
|
let themeSetSpy;
|
|
let defaultScheme;
|
|
|
|
beforeEach(() => {
|
|
themeDefineSpy = jest.spyOn(monacoEditor, 'defineTheme').mockImplementation(() => {});
|
|
themeSetSpy = jest.spyOn(monacoEditor, 'setTheme').mockImplementation(() => {});
|
|
defaultScheme = window.gon.user_color_scheme;
|
|
});
|
|
|
|
afterEach(() => {
|
|
window.gon.user_color_scheme = defaultScheme;
|
|
});
|
|
|
|
it('sets default syntax highlighting theme', () => {
|
|
const expectedTheme = themes.find((t) => t.name === DEFAULT_THEME);
|
|
|
|
editor = new EditorLite();
|
|
|
|
expect(themeDefineSpy).toHaveBeenCalledWith(DEFAULT_THEME, expectedTheme.data);
|
|
expect(themeSetSpy).toHaveBeenCalledWith(DEFAULT_THEME);
|
|
});
|
|
|
|
it('sets correct theme if it is set in users preferences', () => {
|
|
const expectedTheme = themes.find((t) => t.name !== DEFAULT_THEME);
|
|
|
|
expect(expectedTheme.name).not.toBe(DEFAULT_THEME);
|
|
|
|
window.gon.user_color_scheme = expectedTheme.name;
|
|
editor = new EditorLite();
|
|
|
|
expect(themeDefineSpy).toHaveBeenCalledWith(expectedTheme.name, expectedTheme.data);
|
|
expect(themeSetSpy).toHaveBeenCalledWith(expectedTheme.name);
|
|
});
|
|
|
|
it('falls back to default theme if a selected one is not supported yet', () => {
|
|
const name = 'non-existent-theme';
|
|
const nonExistentTheme = { name };
|
|
|
|
window.gon.user_color_scheme = nonExistentTheme.name;
|
|
editor = new EditorLite();
|
|
|
|
expect(themeDefineSpy).not.toHaveBeenCalled();
|
|
expect(themeSetSpy).toHaveBeenCalledWith(DEFAULT_THEME);
|
|
});
|
|
});
|
|
});
|