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import { Emitter } from 'monaco-editor';
import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
import waitForPromises from 'helpers/wait_for_promises';
import EditBlob from '~/blob_edit/edit_blob';
import { SourceEditorExtension } from '~/editor/extensions/source_editor_extension_base';
import { FileTemplateExtension } from '~/editor/extensions/source_editor_file_template_ext';
import { EditorMarkdownExtension } from '~/editor/extensions/source_editor_markdown_ext';
import { EditorMarkdownPreviewExtension } from '~/editor/extensions/source_editor_markdown_livepreview_ext';
import { ToolbarExtension } from '~/editor/extensions/source_editor_toolbar_ext';
import SourceEditor from '~/editor/source_editor';
jest.mock('~/editor/source_editor');
jest.mock('~/editor/extensions/source_editor_extension_base');
jest.mock('~/editor/extensions/source_editor_file_template_ext');
jest.mock('~/editor/extensions/source_editor_markdown_ext');
jest.mock('~/editor/extensions/source_editor_markdown_livepreview_ext');
jest.mock('~/editor/extensions/source_editor_toolbar_ext');
const PREVIEW_MARKDOWN_PATH = '/foo/bar/preview_markdown';
const defaultExtensions = [
{ definition: SourceEditorExtension },
{ definition: FileTemplateExtension },
{ definition: ToolbarExtension },
];
const markdownExtensions = [
{ definition: EditorMarkdownExtension },
{
definition: EditorMarkdownPreviewExtension,
setupOptions: { previewMarkdownPath: PREVIEW_MARKDOWN_PATH },
},
];
describe('Blob Editing', () => {
let blobInstance;
const useMock = jest.fn(() => markdownExtensions);
const unuseMock = jest.fn();
const emitter = new Emitter();
const mockInstance = {
use: useMock,
unuse: unuseMock,
setValue: jest.fn(),
getValue: jest.fn().mockReturnValue('test value'),
focus: jest.fn(),
onDidChangeModelLanguage: emitter.event,
};
beforeEach(() => {
setHTMLFixture(`
<form class="js-edit-blob-form">
<div id="file_path"></div>
<div id="editor"></div>
<textarea id="file-content"></textarea>
</form>
`);
jest.spyOn(SourceEditor.prototype, 'createInstance').mockReturnValue(mockInstance);
});
afterEach(() => {
jest.clearAllMocks();
unuseMock.mockClear();
useMock.mockClear();
resetHTMLFixture();
});
const editorInst = (isMarkdown) => {
blobInstance = new EditBlob({
isMarkdown,
previewMarkdownPath: PREVIEW_MARKDOWN_PATH,
});
return blobInstance;
};
const initEditor = async (isMarkdown = false) => {
editorInst(isMarkdown);
await waitForPromises();
};
it('loads SourceEditorExtension and FileTemplateExtension by default', async () => {
await initEditor();
expect(useMock).toHaveBeenCalledWith(defaultExtensions);
});
describe('Markdown', () => {
it('does not load MarkdownExtensions by default', async () => {
await initEditor();
expect(EditorMarkdownExtension).not.toHaveBeenCalled();
expect(EditorMarkdownPreviewExtension).not.toHaveBeenCalled();
});
it('loads MarkdownExtension only for the markdown files', async () => {
await initEditor(true);
expect(useMock).toHaveBeenCalledTimes(2);
expect(useMock.mock.calls[1]).toEqual([markdownExtensions]);
});
it('correctly handles switching from markdown and un-uses markdown extensions', async () => {
await initEditor(true);
expect(unuseMock).not.toHaveBeenCalled();
await emitter.fire({ newLanguage: 'plaintext', oldLanguage: 'markdown' });
expect(unuseMock).toHaveBeenCalledWith(markdownExtensions);
});
it('correctly handles switching from non-markdown to markdown extensions', async () => {
const mdSpy = jest.fn();
await initEditor();
blobInstance.fetchMarkdownExtension = mdSpy;
expect(mdSpy).not.toHaveBeenCalled();
await emitter.fire({ newLanguage: 'markdown', oldLanguage: 'plaintext' });
expect(mdSpy).toHaveBeenCalled();
});
});
it('adds trailing newline to the blob content on submit', async () => {
const form = document.querySelector('.js-edit-blob-form');
const fileContentEl = document.getElementById('file-content');
await initEditor();
form.dispatchEvent(new Event('submit'));
expect(fileContentEl.value).toBe('test value\n');
});
});
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