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import { insertMarkdownText } from '~/lib/utils/text_markdown';
describe('init markdown', () => {
let textArea;
beforeAll(() => {
textArea = document.createElement('textarea');
document.querySelector('body').appendChild(textArea);
textArea.focus();
});
afterAll(() => {
textArea.parentNode.removeChild(textArea);
});
describe('without selection', () => {
it('inserts the tag on an empty line', () => {
const initialValue = '';
textArea.value = initialValue;
textArea.selectionStart = 0;
textArea.selectionEnd = 0;
insertMarkdownText({
textArea,
text: textArea.value,
tag: '*',
blockTag: null,
selected: '',
wrap: false,
});
expect(textArea.value).toEqual(`${initialValue}* `);
});
it('inserts the tag on a new line if the current one is not empty', () => {
const initialValue = 'some text';
textArea.value = initialValue;
textArea.setSelectionRange(initialValue.length, initialValue.length);
insertMarkdownText({
textArea,
text: textArea.value,
tag: '*',
blockTag: null,
selected: '',
wrap: false,
});
expect(textArea.value).toEqual(`${initialValue}\n* `);
});
it('inserts the tag on the same line if the current line only contains spaces', () => {
const initialValue = ' ';
textArea.value = initialValue;
textArea.setSelectionRange(initialValue.length, initialValue.length);
insertMarkdownText({
textArea,
text: textArea.value,
tag: '*',
blockTag: null,
selected: '',
wrap: false,
});
expect(textArea.value).toEqual(`${initialValue}* `);
});
it('inserts the tag on the same line if the current line only contains tabs', () => {
const initialValue = '\t\t\t';
textArea.value = initialValue;
textArea.setSelectionRange(initialValue.length, initialValue.length);
insertMarkdownText({
textArea,
text: textArea.value,
tag: '*',
blockTag: null,
selected: '',
wrap: false,
});
expect(textArea.value).toEqual(`${initialValue}* `);
});
it('places the cursor inside the tags', () => {
const start = 'lorem ';
const end = ' ipsum';
const tag = '*';
textArea.value = `${start}${end}`;
textArea.setSelectionRange(start.length, start.length);
insertMarkdownText({
textArea,
text: textArea.value,
tag,
blockTag: null,
selected: '',
wrap: true,
});
expect(textArea.value).toEqual(`${start}**${end}`);
// cursor placement should be between tags
expect(textArea.selectionStart).toBe(start.length + tag.length);
});
});
describe('with selection', () => {
const text = 'initial selected value';
const selected = 'selected';
beforeEach(() => {
textArea.value = text;
const selectedIndex = text.indexOf(selected);
textArea.setSelectionRange(selectedIndex, selectedIndex + selected.length);
});
it('applies the tag to the selected value', () => {
const selectedIndex = text.indexOf(selected);
const tag = '*';
insertMarkdownText({
textArea,
text: textArea.value,
tag,
blockTag: null,
selected,
wrap: true,
});
expect(textArea.value).toEqual(text.replace(selected, `*${selected}*`));
// cursor placement should be after selection + 2 tag lengths
expect(textArea.selectionStart).toBe(selectedIndex + selected.length + 2 * tag.length);
});
it('replaces the placeholder in the tag', () => {
insertMarkdownText({
textArea,
text: textArea.value,
tag: '[{text}](url)',
blockTag: null,
selected,
wrap: false,
});
expect(textArea.value).toEqual(text.replace(selected, `[${selected}](url)`));
});
describe('and text to be selected', () => {
const tag = '[{text}](url)';
const select = 'url';
it('selects the text', () => {
insertMarkdownText({
textArea,
text: textArea.value,
tag,
blockTag: null,
selected,
wrap: false,
select,
});
const expectedText = text.replace(selected, `[${selected}](url)`);
expect(textArea.value).toEqual(expectedText);
expect(textArea.selectionStart).toEqual(expectedText.indexOf(select));
expect(textArea.selectionEnd).toEqual(expectedText.indexOf(select) + select.length);
});
it('selects the right text when multiple tags are present', () => {
const initialValue = `${tag} ${tag} ${selected}`;
textArea.value = initialValue;
const selectedIndex = initialValue.indexOf(selected);
textArea.setSelectionRange(selectedIndex, selectedIndex + selected.length);
insertMarkdownText({
textArea,
text: textArea.value,
tag,
blockTag: null,
selected,
wrap: false,
select,
});
const expectedText = initialValue.replace(selected, `[${selected}](url)`);
expect(textArea.value).toEqual(expectedText);
expect(textArea.selectionStart).toEqual(expectedText.lastIndexOf(select));
expect(textArea.selectionEnd).toEqual(expectedText.lastIndexOf(select) + select.length);
});
it('should support selected urls', () => {
const expectedUrl = 'http://www.gitlab.com';
const expectedSelectionText = 'text';
const expectedText = `text [${expectedSelectionText}](${expectedUrl}) text`;
const initialValue = `text ${expectedUrl} text`;
textArea.value = initialValue;
const selectedIndex = initialValue.indexOf(expectedUrl);
textArea.setSelectionRange(selectedIndex, selectedIndex + expectedUrl.length);
insertMarkdownText({
textArea,
text: textArea.value,
tag,
blockTag: null,
selected: expectedUrl,
wrap: false,
select,
});
expect(textArea.value).toEqual(expectedText);
expect(textArea.selectionStart).toEqual(expectedText.indexOf(expectedSelectionText, 1));
expect(textArea.selectionEnd).toEqual(
expectedText.indexOf(expectedSelectionText, 1) + expectedSelectionText.length,
);
});
});
});
});
|
