debian-mirror-gitlab/spec/frontend/behaviors/copy_as_gfm_spec.js

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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', () => {
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', () => {
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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`');
});
callPasteGFM();
});
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');
});
callPasteGFM();
});
});
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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;
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Array.from(node.childNodes).forEach(item => fragment.appendChild(item));
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return fragment;
},
}),
rangeCount: 1,
});
const clipboardData = {
setData() {},
};
const simulateCopy = () => {
const e = {
originalEvent: {
clipboardData,
},
preventDefault() {},
stopPropagation() {},
};
CopyAsGFM.copyAsGFM(e, CopyAsGFM.transformGFMSelection);
return clipboardData;
};
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beforeAll(done => {
initCopyAsGFM();
// Fake call to nodeToGfm so the import of lazy bundle happened
CopyAsGFM.nodeToGFM(document.createElement('div'))
.then(() => {
done();
})
.catch(done.fail);
});
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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);
done();
});
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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);
done();
});
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});
});
});
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describe('CopyAsGFM.quoted', () => {
const sampleGFM = '* List 1\n* List 2\n\n`Some code`';
it('adds quote char `> ` to each line', done => {
const expectedQuotedGFM = '> * List 1\n> * List 2\n> \n> `Some code`';
expect(CopyAsGFM.quoted(sampleGFM)).toEqual(expectedQuotedGFM);
done();
});
});
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});