"""Regression tests for defects found in the independent QA run (.qa/QA_REPORT.md, IDs QA2-…)."""

import re

from conftest import Book, Doc


def _pipe_rows(text: str) -> list[str]:
    return [ln for ln in text.splitlines() if ln.startswith("| ")]


def test_pipe_in_inline_code_does_not_split_gfm_table(convert):
    """QA2-01: GFM splits table cells at every unescaped '|', also inside code spans and link targets."""
    body = ("<h1>Operatoren</h1><table><thead><tr><th>Operator</th><th>Bedeutung</th></tr></thead><tbody>"
            "<tr><td><code>||</code></td><td>logisches ODER</td></tr>"
            "<tr><td><code>a | b</code></td><td><a href=\"https://example.org/a|b\">Link</a></td></tr>"
            "</tbody></table>")
    run = convert(Book(docs=[Doc("c.xhtml", body)]))
    text = run.chapter("001")
    for row in _pipe_rows(text):
        cells = re.split(r"(?<!\\)\|", row.strip()[1:-1])
        assert len(cells) == 2, f"Zeile zerfällt in GFM in {len(cells)} Zellen: {row}"
    assert "||" in text and "a | b" in text and "logisches ODER" in text