from imwald.core.md_render import markdown_html_fragment, markdown_plain_summary


def test_plain_summary_strips_markdown_noise() -> None:
    s = markdown_plain_summary("# Title\n\nHello **world**", max_len=80)
    assert "Title" in s and "world" in s
    assert "**" not in s and "#" not in s


def test_markdown_renders_strong() -> None:
    html = markdown_html_fragment("Hello **world**")
    assert "<strong>world</strong>" in html or "<b>world</b>" in html


def test_markdown_fenced_code() -> None:
    html = markdown_html_fragment("```\n1 + 1\n```")
    assert "<pre>" in html and "<code>" in html