gitlab-org--gitlab-foss/spec/javascripts/behaviors/copy_as_gfm_spec.js

102 lines
3.2 KiB
JavaScript

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('<li>List Item1</li><li>List Item2</li>\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('<li>List Item1</li><li>List Item2</li>\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);
});
});
});
});