600 lines
19 KiB
JavaScript
600 lines
19 KiB
JavaScript
import $ from 'jquery';
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import {
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insertMarkdownText,
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keypressNoteText,
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compositionStartNoteText,
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compositionEndNoteText,
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} from '~/lib/utils/text_markdown';
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import '~/lib/utils/jquery_at_who';
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describe('init markdown', () => {
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let textArea;
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beforeAll(() => {
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textArea = document.createElement('textarea');
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document.querySelector('body').appendChild(textArea);
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textArea.focus();
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// needed for the underlying insertText to work
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document.execCommand = jest.fn(() => false);
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});
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afterAll(() => {
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textArea.parentNode.removeChild(textArea);
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});
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describe('insertMarkdownText', () => {
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it('will not error if selected text is a number', () => {
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const selected = 2;
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insertMarkdownText({
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textArea,
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text: '',
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tag: '',
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blockTag: null,
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selected,
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wrap: false,
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});
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expect(textArea.value).toBe(selected.toString());
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});
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});
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describe('textArea', () => {
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describe('without selection', () => {
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it('inserts the tag on an empty line', () => {
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const initialValue = '';
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textArea.value = initialValue;
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textArea.selectionStart = 0;
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textArea.selectionEnd = 0;
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag: '- ',
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blockTag: null,
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selected: '',
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wrap: false,
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});
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expect(textArea.value).toEqual(`${initialValue}- `);
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});
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it('inserts dollar signs correctly', () => {
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const initialValue = '';
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textArea.value = initialValue;
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textArea.selectionStart = 0;
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textArea.selectionEnd = 0;
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag: '```suggestion:-0+0\n{text}\n```',
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blockTag: true,
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selected: '# Does not parse the `$` currently.',
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wrap: false,
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});
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expect(textArea.value).toContain('# Does not parse the `$` currently.');
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});
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it('inserts the tag on a new line if the current one is not empty', () => {
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const initialValue = 'some text';
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textArea.value = initialValue;
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textArea.setSelectionRange(initialValue.length, initialValue.length);
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag: '- ',
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blockTag: null,
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selected: '',
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wrap: false,
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});
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expect(textArea.value).toEqual(`${initialValue}\n- `);
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});
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it('unescapes new line characters', () => {
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const initialValue = '';
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textArea.value = initialValue;
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textArea.selectionStart = 0;
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textArea.selectionEnd = 0;
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag: '```suggestion:-0+0\n{text}\n```',
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blockTag: true,
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selected: '# Does not %br parse the %br currently.',
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wrap: false,
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});
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expect(textArea.value).toContain('# Does not \\n parse the \\n currently.');
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});
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it('inserts the tag on the same line if the current line only contains spaces', () => {
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const initialValue = ' ';
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textArea.value = initialValue;
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textArea.setSelectionRange(initialValue.length, initialValue.length);
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag: '- ',
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blockTag: null,
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selected: '',
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wrap: false,
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});
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expect(textArea.value).toEqual(`${initialValue}- `);
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});
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it('inserts the tag on the same line if the current line only contains tabs', () => {
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const initialValue = '\t\t\t';
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textArea.value = initialValue;
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textArea.setSelectionRange(initialValue.length, initialValue.length);
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag: '- ',
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blockTag: null,
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selected: '',
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wrap: false,
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});
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expect(textArea.value).toEqual(`${initialValue}- `);
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});
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it('places the cursor inside the tags', () => {
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const start = 'lorem ';
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const end = ' ipsum';
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const tag = '*';
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textArea.value = `${start}${end}`;
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textArea.setSelectionRange(start.length, start.length);
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag,
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blockTag: null,
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selected: '',
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wrap: true,
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});
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expect(textArea.value).toEqual(`${start}**${end}`);
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// cursor placement should be between tags
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expect(textArea.selectionStart).toBe(start.length + tag.length);
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});
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describe('Continuing markdown lists', () => {
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const enterEvent = new KeyboardEvent('keydown', { key: 'Enter' });
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beforeEach(() => {
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textArea.addEventListener('keydown', keypressNoteText);
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textArea.addEventListener('compositionstart', compositionStartNoteText);
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textArea.addEventListener('compositionend', compositionEndNoteText);
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});
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it.each`
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text | expected
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${'- item'} | ${'- item\n- '}
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${'* item'} | ${'* item\n* '}
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${'+ item'} | ${'+ item\n+ '}
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${'- [ ] item'} | ${'- [ ] item\n- [ ] '}
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${'- [x] item'} | ${'- [x] item\n- [ ] '}
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${'- [X] item'} | ${'- [X] item\n- [ ] '}
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${'- [ ] nbsp (U+00A0)'} | ${'- [ ] nbsp (U+00A0)\n- [ ] '}
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${'- item\n - second'} | ${'- item\n - second\n - '}
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${'- - -'} | ${'- - -'}
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${'- --'} | ${'- --'}
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${'* **'} | ${'* **'}
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${' ** * ** * ** * **'} | ${' ** * ** * ** * **'}
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${'- - -x'} | ${'- - -x\n- '}
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${'+ ++'} | ${'+ ++\n+ '}
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${'1. item'} | ${'1. item\n2. '}
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${'1. [ ] item'} | ${'1. [ ] item\n2. [ ] '}
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${'1. [x] item'} | ${'1. [x] item\n2. [ ] '}
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${'1. [X] item'} | ${'1. [X] item\n2. [ ] '}
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${'108. item'} | ${'108. item\n109. '}
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${'108. item\n - second'} | ${'108. item\n - second\n - '}
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${'108. item\n 1. second'} | ${'108. item\n 1. second\n 2. '}
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${'non-item, will not change'} | ${'non-item, will not change'}
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`('adds correct list continuation characters', ({ text, expected }) => {
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textArea.value = text;
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textArea.setSelectionRange(text.length, text.length);
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textArea.dispatchEvent(enterEvent);
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expect(textArea.value).toEqual(expected);
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expect(textArea.selectionStart).toBe(expected.length);
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});
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// test that when pressing Enter on an empty list item, the empty
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// list item text is selected, so that when the Enter propagates,
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// it's removed
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it.each`
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text | expected
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${'- item\n- '} | ${'- item\n'}
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${'- [ ] item\n- [ ] '} | ${'- [ ] item\n'}
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${'- [x] item\n- [x] '} | ${'- [x] item\n'}
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${'- [X] item\n- [X] '} | ${'- [X] item\n'}
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${'- item\n - second\n - '} | ${'- item\n - second\n'}
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${'1. item\n2. '} | ${'1. item\n'}
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${'1. [ ] item\n2. [ ] '} | ${'1. [ ] item\n'}
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${'1. [x] item\n2. [x] '} | ${'1. [x] item\n'}
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${'1. [X] item\n2. [X] '} | ${'1. [X] item\n'}
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${'108. item\n109. '} | ${'108. item\n'}
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${'108. item\n - second\n - '} | ${'108. item\n - second\n'}
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${'108. item\n 1. second\n 1. '} | ${'108. item\n 1. second\n'}
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`('adds correct list continuation characters', ({ text, expected }) => {
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textArea.value = text;
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textArea.setSelectionRange(text.length, text.length);
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textArea.dispatchEvent(enterEvent);
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expect(textArea.value.substr(0, textArea.selectionStart)).toEqual(expected);
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expect(textArea.selectionStart).toBe(expected.length);
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expect(textArea.selectionEnd).toBe(text.length);
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});
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// test that when we're in the middle of autocomplete, we don't
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// add a new list item
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it.each`
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text | expected | atwho_selecting
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${'- item @'} | ${'- item @'} | ${true}
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${'- item @'} | ${'- item @\n- '} | ${false}
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`('behaves correctly during autocomplete', ({ text, expected, atwho_selecting }) => {
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jest.spyOn($.fn, 'atwho').mockReturnValue(atwho_selecting);
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textArea.value = text;
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textArea.setSelectionRange(text.length, text.length);
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textArea.dispatchEvent(enterEvent);
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expect(textArea.value).toEqual(expected);
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});
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it.each`
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text | add_at | expected
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${'1. one\n2. two\n3. three'} | ${13} | ${'1. one\n2. two\n2. \n3. three'}
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${'108. item\n 5. second\n 6. six\n 7. seven'} | ${36} | ${'108. item\n 5. second\n 6. six\n 6. \n 7. seven'}
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`(
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'adds correct numbered continuation characters when in middle of list',
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({ text, add_at, expected }) => {
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textArea.value = text;
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textArea.setSelectionRange(add_at, add_at);
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textArea.dispatchEvent(enterEvent);
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expect(textArea.value).toEqual(expected);
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},
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);
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it('does not duplicate a line item for IME characters', () => {
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const text = '- 日本語';
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const expected = '- 日本語\n- ';
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textArea.dispatchEvent(new CompositionEvent('compositionstart'));
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textArea.value = text;
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// Press enter to end composition
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textArea.dispatchEvent(enterEvent);
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textArea.dispatchEvent(new CompositionEvent('compositionend'));
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textArea.setSelectionRange(text.length, text.length);
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// Press enter to make new line
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textArea.dispatchEvent(enterEvent);
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expect(textArea.value).toEqual(expected);
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expect(textArea.selectionStart).toBe(expected.length);
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});
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});
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});
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describe('with selection', () => {
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let text = 'initial selected value';
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let selected = 'selected';
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let selectedIndex;
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beforeEach(() => {
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textArea.value = text;
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selectedIndex = text.indexOf(selected);
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textArea.setSelectionRange(selectedIndex, selectedIndex + selected.length);
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});
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it('applies the tag to the selected value', () => {
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const tag = '*';
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag,
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blockTag: null,
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selected,
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wrap: true,
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});
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expect(textArea.value).toEqual(text.replace(selected, `*${selected}*`));
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// cursor placement should be after selection + 2 tag lengths
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expect(textArea.selectionStart).toBe(selectedIndex + selected.length + 2 * tag.length);
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});
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it('replaces the placeholder in the tag', () => {
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag: '[{text}](url)',
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blockTag: null,
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selected,
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wrap: false,
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});
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expect(textArea.value).toEqual(text.replace(selected, `[${selected}](url)`));
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});
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describe('surrounds selected text with matching character', () => {
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it.each`
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key | expected
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${'['} | ${`[${selected}]`}
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${'*'} | ${`**${selected}**`}
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${"'"} | ${`'${selected}'`}
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${'_'} | ${`_${selected}_`}
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${'`'} | ${`\`${selected}\``}
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${'"'} | ${`"${selected}"`}
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${'{'} | ${`{${selected}}`}
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${'('} | ${`(${selected})`}
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${'<'} | ${`<${selected}>`}
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`('generates $expected when $key is pressed', ({ key, expected }) => {
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const event = new KeyboardEvent('keydown', { key });
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gon.markdown_surround_selection = true;
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textArea.addEventListener('keydown', keypressNoteText);
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textArea.dispatchEvent(event);
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expect(textArea.value).toEqual(text.replace(selected, expected));
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// cursor placement should be after selection + 2 tag lengths
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expect(textArea.selectionStart).toBe(selectedIndex + expected.length);
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});
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it('does nothing if user preference disabled', () => {
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const event = new KeyboardEvent('keydown', { key: '[' });
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gon.markdown_surround_selection = false;
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textArea.addEventListener('keydown', keypressNoteText);
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textArea.dispatchEvent(event);
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expect(textArea.value).toEqual(text);
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});
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});
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describe('and text to be selected', () => {
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const tag = '[{text}](url)';
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const select = 'url';
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it('selects the text', () => {
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag,
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blockTag: null,
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selected,
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wrap: false,
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select,
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});
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const expectedText = text.replace(selected, `[${selected}](url)`);
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expect(textArea.value).toEqual(expectedText);
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expect(textArea.selectionStart).toEqual(expectedText.indexOf(select));
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expect(textArea.selectionEnd).toEqual(expectedText.indexOf(select) + select.length);
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});
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it('selects the right text when multiple tags are present', () => {
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const initialValue = `${tag} ${tag} ${selected}`;
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textArea.value = initialValue;
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selectedIndex = initialValue.indexOf(selected);
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textArea.setSelectionRange(selectedIndex, selectedIndex + selected.length);
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag,
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blockTag: null,
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selected,
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wrap: false,
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select,
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});
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const expectedText = initialValue.replace(selected, `[${selected}](url)`);
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expect(textArea.value).toEqual(expectedText);
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expect(textArea.selectionStart).toEqual(expectedText.lastIndexOf(select));
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expect(textArea.selectionEnd).toEqual(expectedText.lastIndexOf(select) + select.length);
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});
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it('should support selected urls', () => {
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const expectedUrl = 'http://www.gitlab.com';
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const expectedSelectionText = 'text';
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const expectedText = `text [${expectedSelectionText}](${expectedUrl}) text`;
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const initialValue = `text ${expectedUrl} text`;
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textArea.value = initialValue;
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selectedIndex = initialValue.indexOf(expectedUrl);
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textArea.setSelectionRange(selectedIndex, selectedIndex + expectedUrl.length);
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insertMarkdownText({
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textArea,
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text: textArea.value,
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tag,
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blockTag: null,
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selected: expectedUrl,
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wrap: false,
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select,
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});
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expect(textArea.value).toEqual(expectedText);
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expect(textArea.selectionStart).toEqual(expectedText.indexOf(expectedSelectionText, 1));
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expect(textArea.selectionEnd).toEqual(
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expectedText.indexOf(expectedSelectionText, 1) + expectedSelectionText.length,
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);
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});
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it('adds block tags on line above and below selection', () => {
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selected = 'this text\nis multiple\nlines';
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text = `before \n${selected}\nafter `;
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textArea.value = text;
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selectedIndex = text.indexOf(selected);
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textArea.setSelectionRange(selectedIndex, selectedIndex + selected.length);
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insertMarkdownText({
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textArea,
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text,
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tag: '',
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blockTag: '***',
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selected,
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wrap: true,
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});
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expect(textArea.value).toEqual(`before \n***\n${selected}\n***\nafter `);
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});
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it('removes block tags on line above and below selection', () => {
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selected = 'this text\nis multiple\nlines';
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text = `before \n***\n${selected}\n***\nafter `;
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textArea.value = text;
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selectedIndex = text.indexOf(selected);
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textArea.setSelectionRange(selectedIndex, selectedIndex + selected.length);
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insertMarkdownText({
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textArea,
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text,
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tag: '',
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blockTag: '***',
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selected,
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wrap: true,
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});
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expect(textArea.value).toEqual(`before \n${selected}\nafter `);
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});
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});
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});
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});
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describe('Source Editor', () => {
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let editor;
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beforeEach(() => {
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editor = {
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getSelection: jest.fn().mockReturnValue({
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startLineNumber: 1,
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startColumn: 1,
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endLineNumber: 2,
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endColumn: 2,
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}),
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getValue: jest.fn().mockReturnValue('this is text \n in two lines'),
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selectWithinSelection: jest.fn(),
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replaceSelectedText: jest.fn(),
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moveCursor: jest.fn(),
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};
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});
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it('replaces selected text', () => {
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insertMarkdownText({
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text: editor.getValue,
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tag: '*',
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blockTag: null,
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selected: '',
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wrap: false,
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editor,
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});
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expect(editor.replaceSelectedText).toHaveBeenCalled();
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});
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it('adds block tags on line above and below selection', () => {
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const selected = 'this text \n is multiple \n lines';
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const text = `before \n ${selected} \n after`;
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insertMarkdownText({
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text,
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tag: '',
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blockTag: '***',
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selected,
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wrap: true,
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editor,
|
||
});
|
||
|
||
expect(editor.replaceSelectedText).toHaveBeenCalledWith(`***\n${selected}\n***\n`, undefined);
|
||
});
|
||
|
||
it('removes block tags on line above and below selection', () => {
|
||
const selected = 'this text\nis multiple\nlines';
|
||
const text = `before\n***\n${selected}\n***\nafter`;
|
||
|
||
editor.getSelection = jest.fn().mockReturnValue({
|
||
startLineNumber: 2,
|
||
startColumn: 1,
|
||
endLineNumber: 4,
|
||
endColumn: 2,
|
||
setSelectionRange: jest.fn(),
|
||
});
|
||
|
||
insertMarkdownText({
|
||
text,
|
||
tag: '',
|
||
blockTag: '***',
|
||
selected,
|
||
wrap: true,
|
||
editor,
|
||
});
|
||
|
||
expect(editor.replaceSelectedText).toHaveBeenCalledWith(`${selected}\n`, undefined);
|
||
});
|
||
|
||
it('uses editor to navigate back tag length when nothing is selected', () => {
|
||
editor.getSelection = jest.fn().mockReturnValue({
|
||
startLineNumber: 1,
|
||
startColumn: 1,
|
||
endLineNumber: 1,
|
||
endColumn: 1,
|
||
});
|
||
|
||
insertMarkdownText({
|
||
text: editor.getValue,
|
||
tag: '*',
|
||
blockTag: null,
|
||
selected: '',
|
||
wrap: true,
|
||
editor,
|
||
});
|
||
|
||
expect(editor.moveCursor).toHaveBeenCalledWith(-1);
|
||
});
|
||
|
||
it('editor does not navigate back when there is selected text', () => {
|
||
insertMarkdownText({
|
||
text: editor.getValue,
|
||
tag: '*',
|
||
blockTag: null,
|
||
selected: 'foobar',
|
||
wrap: true,
|
||
editor,
|
||
});
|
||
|
||
expect(editor.selectWithinSelection).not.toHaveBeenCalled();
|
||
});
|
||
});
|
||
});
|