import { ribbit } from './setup'; const r = ribbit(); const hopdown = new r.HopDown(); const H = (md: string) => hopdown.toHTML(md); const M = (html: string) => hopdown.toMarkdown(html); const rt = (md: string) => M(H(md)); describe('Markdown → HTML', () => { describe('inline formatting', () => { it('bold', () => expect(H('**bold**')).toBe('

bold

')); it('italic', () => expect(H('*italic*')).toBe('

italic

')); it('inline code', () => expect(H('`code`')).toBe('

code

')); it('link', () => expect(H('[t](http://x)')).toBe('

t

')); it('bold+italic', () => expect(H('***bi***')).toBe('

bi

')); it('mixed', () => expect(H('a **b** *c* `d`')).toBe('

a b c d

')); it('code before bold', () => expect(H('`a` **b**')).toBe('

a b

')); }); describe('headings', () => { it.each([1,2,3,4,5,6])('h%i', (n) => { const prefix = '#'.repeat(n); expect(H(`${prefix} Sub`)).toContain(` expect(H('## Hello World')).toContain("id='HelloWorld'")); it('heading inline md', () => expect(H('## **Bold** text')).toContain('Bold')); }); describe('horizontal rules', () => { it('***', () => expect(H('***')).toBe('
')); it('---', () => expect(H('---')).toBe('
')); it('___', () => expect(H('___')).toBe('
')); }); describe('lists', () => { it('ul *', () => expect(H('* a\n* b')).toBe('')); it('ul -', () => expect(H('- a\n- b')).toBe('')); it('ol', () => expect(H('1. a\n2. b')).toBe('
  1. a
  2. b
')); it('ul inline', () => expect(H('* **bold** item')).toContain('bold')); }); describe('blockquotes', () => { it('basic', () => expect(H('> text')).toContain('
')); it('content', () => expect(H('> hello')).toContain('hello')); it('multi-line', () => expect(H('> a\n> b')).toContain('a')); }); describe('fenced code', () => { it('basic', () => expect(H('```\nx = 1\n```')).toContain('
'));
        it('content', () => expect(H('```\nx = 1\n```')).toContain('x = 1'));
        it('language', () => expect(H('```js\nvar x;\n```')).toContain('language-js'));
        it('escapes html', () => expect(H('```\n
\n```')).toContain('<div>'));
        it('no lang when none', () => expect(H('```\nplain\n```')).not.toContain('language-'));
    });

    describe('tables', () => {
        const tbl = '| a | b |\n|---|---|\n| 1 | 2 |';
        it('table tag', () => expect(H(tbl)).toContain(''));
        it('thead', () => expect(H(tbl)).toContain(''));
        it('th cells', () => expect(H(tbl)).toContain(''));
        it('td cells', () => expect(H(tbl)).toContain(''));
        it('center align', () => expect(H('| C |\n|:--:|\n| x |')).toContain('text-align:center'));
        it('right align', () => expect(H('| R |\n|--:|\n| x |')).toContain('text-align:right'));
        it('inline md', () => expect(H('| **b** |\n|---|\n| x |')).toContain('b'));
    });

    describe('paragraphs', () => {
        it('single', () => expect(H('hello')).toBe('
hello
'));
        it('two', () => expect(H('a\n\nb')).toBe('
a
\n
b
'));
        it('soft break', () => expect(H('a\nb')).toBe('
a\nb
'));
    });

    describe('edge cases', () => {
        it('empty', () => expect(H('')).toBe(''));
        it('whitespace', () => expect(H('  ')).toBe(''));
        it('html entities', () => expect(H('a & b < c')).toContain('&'));
        it('html in code', () => expect(H('`
`')).toContain('<div>'));
        it('para then heading', () => expect(H('text\n\n## H')).toContain(' expect(H('- a\n\ntext')).toContain('
text
'));
    });
});

describe('HTML → Markdown', () => {
    it('strong→**', () => expect(M('
b
')).toBe('**b**'));
    it('em→*', () => expect(M('
i
')).toBe('*i*'));
    it('code→`', () => expect(M('
c
')).toBe('`c`'));
    it('a→[]', () => expect(M('t')).toBe('[t](http://x)'));
    it('h1→#', () => expect(M('
T
')).toBe('# T'));
    it('hr→---', () => expect(M('
')).toBe('---'));
    it('ul→-', () => expect(M('
  • a
  • b
')).toBe('- a\n- b'));
    it('ol→1.', () => expect(M('
  1. a
  2. b
')).toBe('1. a\n2. b'));
    it('bq→>', () => expect(M('
q
')).toContain('> '));
    it('pre→```', () => expect(M('
x
')).toContain('```'));
    it('pre lang', () => expect(M('
x
')).toContain('```py'));
    it('table→pipes', () => {
        const html = '
a1
ab
12
';
        expect(M(html)).toContain('| a | b |');
    });
});

describe('Round-trips', () => {
    it.each([
        ['paragraph', 'Hello world'],
        ['bold', '**bold**'],
        ['italic', '*italic*'],
        ['code', '`code`'],
        ['link', '[t](http://x)'],
        ['h1', '# Title'],
        ['h2', '## Sub'],
        ['ul', '- a\n- b'],
        ['ol', '1. a\n2. b'],
    ])('%s', (_, md) => expect(rt(md)).toBe(md));

    it('hr', () => expect(rt('---')).toBe('---'));
    it('blockquote', () => expect(rt('> quoted')).toContain('> '));
    it('code block', () => expect(rt('```\nx = 1\n```')).toContain('```'));
    it('table', () => expect(rt('| a | b |\n|---|---|\n| 1 | 2 |')).toContain('| a | b |'));
});

describe('Nested inline', () => {
    it('bold wraps italic', () => expect(H('**a *b* c**')).toBe('
a b c
'));
    it('italic wraps bold', () => expect(H('*a **b** c*')).toBe('
a b c
'));
    it('bold wraps code', () => expect(H('**a `b` c**')).toBe('
a b c
'));
    it('bold wraps link', () => expect(H('**[t](u)**')).toBe('
t
'));
    it('link with bold', () => expect(H('[**t**](u)')).toBe('
t
'));
    it('link with code', () => expect(H('[`t`](u)')).toBe('
t
'));
});

describe('Nested blocks', () => {
    it('bq > heading', () => expect(H('> # Title')).toContain(' list', () => expect(H('> - a\n> - b')).toContain('
    '));
    it('bq > bq', () => expect(H('> > nested')).toContain('
    '));
    it('li > bold', () => expect(H('- **bold**')).toContain('bold'));
    it('heading > code', () => expect(H('## `code`')).toContain('code'));
    it('table > bold', () => expect(H('| **b** |\n|---|\n| x |')).toContain('b'));
});

describe('Nested lists', () => {
    it('ul > ul', () => expect(H('- a\n  - b\n  - c\n- d')).toBe('
    • a
      • b
      • c
    • d
    '));
    it('ol > ol', () => expect(H('1. a\n  1. b\n  1. c\n2. d')).toBe('
    1. a
      1. b
      2. c
    2. d
    '));
    it('ul > ol', () => expect(H('- a\n  1. b\n  2. c\n- d')).toBe('
    • a
      1. b
      2. c
    • d
    '));
    it('3-level', () => expect(H('- a\n  - b\n    - c\n- d')).toBe('
    • a
      • b
        • c
    • d
    '));
    it('ul>ul rt', () => expect(rt('- a\n  - b\n  - c\n- d')).toBe('- a\n  - b\n  - c\n- d'));
});

describe('Tables with nested markdown', () => {
    it('td bold', () => expect(H('| h |\n|---|\n| **b** |')).toContain('b'));
    it('td link>bold', () => expect(H('| h |\n|---|\n| [**t**](u) |')).toContain('t'));
    it('td bold rt', () => expect(rt('| h |\n|---|\n| **b** |')).toBe('| h |\n| --- |\n| **b** |'));
    it('multi-cell rt', () => expect(rt('| **a** | *b* |\n|---|---|\n| `c` | [d](e) |')).toBe('| **a** | *b* |\n| --- | --- |\n| `c` | [d](e) |'));
});