malice

import assert from 'node:assert/strict';

import { test } from 'node:test';

import { codeToHtml, parseCode } from '../src/lib/code.ts';

test('plain text has no formatted body', () => {

  assert.equal(codeToHtml('hello <b>'), null);

});

test('splits inline code', () => {

  assert.deepEqual(parseCode('run `ls -l` now'), [

    { kind: 'text', text: 'run ' },

    { kind: 'inline', text: 'ls -l' },

    { kind: 'text', text: ' now' }

  ]);

});

test('parses fenced blocks with language', () => {

  assert.deepEqual(parseCode('see\n```rust\nfn main() {}\n```\nok'), [

    { kind: 'text', text: 'see\n' },

    { kind: 'block', text: 'fn main() {}', lang: 'rust' },

    { kind: 'text', text: 'ok' }

  ]);

});

test('backticks inside a block stay literal', () => {

  assert.deepEqual(parseCode('```\na `b` c\n```'), [{ kind: 'block', text: 'a `b` c', lang: null }]);

});

test('unclosed backtick is text', () => {

  assert.deepEqual(parseCode('a ` b'), [{ kind: 'text', text: 'a ` b' }]);

});

test('html escapes and keeps line breaks', () => {

  assert.equal(

    codeToHtml('x<y\n`a&b`\n```js\n<p>\n```'),

    'x&lt;y<br><code>a&amp;b</code><br><pre><code class="language-js">&lt;p&gt;</code></pre>'

  );

});