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