47 lines
1.6 KiB
TypeScript
47 lines
1.6 KiB
TypeScript
 
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import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import {
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escapeMarkdownInlineSequences,
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unescapeMarkdownInlineSequences,
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escapeMarkdownBlockSequences,
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unescapeMarkdownBlockSequences,
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} from './utils';
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const identity = (t: string): string => t;
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test('escapeMarkdownInlineSequences backslash-escapes inline markdown chars', () => {
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assert.equal(escapeMarkdownInlineSequences('a*b'), 'a\\*b');
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assert.equal(escapeMarkdownInlineSequences('under_score'), 'under\\_score');
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// plain text without markdown chars is unchanged
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assert.equal(escapeMarkdownInlineSequences('plain text'), 'plain text');
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});
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test('inline escape/unescape round-trips', () => {
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for (const s of ['a*b*c', 'under_score', 'plain', 'mix *a* _b_']) {
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assert.equal(unescapeMarkdownInlineSequences(escapeMarkdownInlineSequences(s)), s);
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}
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});
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test('escapeMarkdownBlockSequences escapes leading block markers', () => {
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assert.equal(escapeMarkdownBlockSequences('# heading', identity), '\\# heading');
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assert.equal(escapeMarkdownBlockSequences('> quote', identity), '\\> quote');
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});
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test('block unescape passes non-escaped text through processPart', () => {
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assert.equal(unescapeMarkdownBlockSequences('plain', identity), 'plain');
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// a custom processPart is applied to the (non-escaped) text
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assert.equal(
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unescapeMarkdownBlockSequences('plain', (t) => t.toUpperCase()),
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'PLAIN',
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);
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});
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test('block escape/unescape round-trips', () => {
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for (const s of ['# h', '> quote', 'plain line']) {
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assert.equal(
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unescapeMarkdownBlockSequences(escapeMarkdownBlockSequences(s, identity), identity),
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s,
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);
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}
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});
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