import { CopyAsGFM } from '~/behaviors/markdown/copy_as_gfm'; describe('CopyAsGFM', () => { describe('CopyAsGFM.pasteGFM', () => { function callPasteGFM() { const e = { originalEvent: { clipboardData: { getData(mimeType) { // When GFM code is copied, we put the regular plain text // on the clipboard as `text/plain`, and the GFM as `text/x-gfm`. // This emulates the behavior of `getData` with that data. if (mimeType === 'text/plain') { return 'code'; } if (mimeType === 'text/x-gfm') { return '`code`'; } return null; }, }, }, preventDefault() {}, }; CopyAsGFM.pasteGFM(e); } it('wraps pasted code when not already in code tags', () => { spyOn(window.gl.utils, 'insertText').and.callFake((el, textFunc) => { const insertedText = textFunc('This is code: ', ''); expect(insertedText).toEqual('`code`'); }); callPasteGFM(); }); it('does not wrap pasted code when already in code tags', () => { spyOn(window.gl.utils, 'insertText').and.callFake((el, textFunc) => { const insertedText = textFunc('This is code: `', '`'); expect(insertedText).toEqual('code'); }); callPasteGFM(); }); }); describe('CopyAsGFM.copyGFM', () => { // Stub getSelection to return a purpose-built object. const stubSelection = (html, parentNode) => ({ getRangeAt: () => ({ commonAncestorContainer: { tagName: parentNode }, cloneContents: () => { const fragment = document.createDocumentFragment(); const node = document.createElement('div'); node.innerHTML = html; Array.from(node.childNodes).forEach(item => fragment.appendChild(item)); return fragment; }, }), rangeCount: 1, }); const clipboardData = { setData() {}, }; const simulateCopy = () => { const e = { originalEvent: { clipboardData, }, preventDefault() {}, stopPropagation() {}, }; CopyAsGFM.copyAsGFM(e, CopyAsGFM.transformGFMSelection); return clipboardData; }; beforeEach(() => spyOn(clipboardData, 'setData')); describe('list handling', () => { it('uses correct gfm for unordered lists', () => { const selection = stubSelection('
  • List Item1
  • List Item2
  • \n', 'UL'); spyOn(window, 'getSelection').and.returnValue(selection); simulateCopy(); const expectedGFM = '- List Item1\n- List Item2'; expect(clipboardData.setData).toHaveBeenCalledWith('text/x-gfm', expectedGFM); }); it('uses correct gfm for ordered lists', () => { const selection = stubSelection('
  • List Item1
  • List Item2
  • \n', 'OL'); spyOn(window, 'getSelection').and.returnValue(selection); simulateCopy(); const expectedGFM = '1. List Item1\n1. List Item2'; expect(clipboardData.setData).toHaveBeenCalledWith('text/x-gfm', expectedGFM); }); }); }); });