403 lines
12 KiB
JavaScript
403 lines
12 KiB
JavaScript
import { insertMarkdownText, keypressNoteText } from '~/lib/utils/text_markdown';
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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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});
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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 parse the %br currently.',
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wrap: false,
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});
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expect(textArea.value).toContain('# Does not 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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});
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describe('with selection', () => {
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const text = 'initial selected value';
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const 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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});
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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 ${selected} \n after`;
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insertMarkdownText({
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text,
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tag: '',
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blockTag: '***',
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selected,
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wrap: true,
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editor,
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});
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expect(editor.replaceSelectedText).toHaveBeenCalledWith(`***\n${selected}\n***\n`, undefined);
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});
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it('uses ace editor to navigate back tag length when nothing is selected', () => {
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editor.getSelection = jest.fn().mockReturnValue({
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startLineNumber: 1,
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startColumn: 1,
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endLineNumber: 1,
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endColumn: 1,
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});
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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: true,
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editor,
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});
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expect(editor.moveCursor).toHaveBeenCalledWith(-1);
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});
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it('ace editor does not navigate back when there is 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: 'foobar',
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wrap: true,
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editor,
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});
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expect(editor.selectWithinSelection).not.toHaveBeenCalled();
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});
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});
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});
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