.

tests/test_rich_content.py

@@ -0,0 +1,105 @@
+"""Bold / цветове / картинки / спец. символи в html_text (DOCX + HTML)."""
+from pathlib import Path
+
+from docx import Document
+from docx.shared import RGBColor
+
+from help_processor import (
+    clean_text,
+    merge_preamble_sections,
+    merge_short_sections,
+    parse_docx,
+    parse_html,
+)
+
+FIXTURES = Path(__file__).parent / "fixtures"
+
+
+def _mini_png(w: int = 64, h: int = 64) -> bytes:
+    """Минимален валиден RGB PNG ≥ MIN_IMAGE_PX без PIL зависимост в теста."""
+    try:
+        from io import BytesIO
+        from PIL import Image
+
+        buf = BytesIO()
+        Image.new("RGB", (w, h), color=(40, 120, 200)).save(buf, format="PNG")
+        return buf.getvalue()
+    except Exception:
+        # 1×1 PNG — ще се филтрира; тестът за картинка се пропуска частично
+        return (
+            b"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01"
+            b"\x00\x00\x00\x01\x08\x02\x00\x00\x00\x90wS\xde\x00\x00\x00"
+            b"\x0cIDATx\x9cc\xf8\x0f\x00\x00\x01\x01\x00\x05\x18\xd8N"
+            b"\x00\x00\x00\x00IEND\xaeB`\x82"
+        )
+
+
+def test_docx_preserves_bold_color_specials_and_images(tmp_path: Path):
+    doc = Document()
+    doc.add_heading("1. Форматиране", level=1)
+    p = doc.add_paragraph()
+    r1 = p.add_run("Bold ")
+    r1.bold = True
+    r2 = p.add_run("и червено")
+    r2.font.color.rgb = RGBColor(0xC0, 0x00, 0x00)
+    p2 = doc.add_paragraph()
+    p2.add_run("Стрелка → и булет • в текста")
+
+    img_path = tmp_path / "pic.png"
+    png = _mini_png()
+    img_path.write_bytes(png)
+    try:
+        from io import BytesIO
+        from PIL import Image
+
+        assert Image.open(BytesIO(png)).size[0] >= 50
+        doc.add_picture(str(img_path))
+        expect_img = True
+    except Exception:
+        expect_img = False
+
+    out = tmp_path / "rich.docx"
+    doc.save(out)
+
+    sections = merge_preamble_sections(merge_short_sections(parse_docx(out)))
+    assert len(sections) >= 1
+    body = next(s for s in sections if "Bold" in (s.text or "") or (s.html_text and "Bold" in s.html_text))
+    assert "Bold" in body.text
+    assert "→" in body.text
+    assert "•" in body.text
+    assert "<b>" in (body.html_text or "")
+    assert "color:#C00000" in (body.html_text or "")
+    # Plain text без HTML тагове — за Claude / keywords
+    assert "<b>" not in body.text
+    if expect_img:
+        assert body.images
+        assert "[IMG:" in body.text
+        assert "[IMG:" in (body.html_text or "")
+
+
+def test_html_preserves_bold_and_style_color(tmp_path: Path):
+    html = tmp_path / "rich.html"
+    html.write_text(
+        """<!DOCTYPE html><html><body>
+        <h1>1. Цветове</h1>
+        <p>Обикновен <b>bold</b> и
+        <span style="color:#00aa00; font-size:20px">зелен</span>
+        плюс <font color="#0000cc">син</font>.</p>
+        </body></html>""",
+        encoding="utf-8",
+    )
+    sections = merge_preamble_sections(merge_short_sections(parse_html(html)))
+    assert sections
+    sec = sections[0]
+    assert "bold" in sec.text
+    html_body = sec.html_text or ""
+    assert "<b>" in html_body or "<strong>" in html_body
+    assert "color:#00aa00" in html_body or "color: #00aa00" in html_body
+    assert "font-size" not in html_body  # декоративното се маха
+    assert 'color="#0000cc"' in html_body or "color:#0000cc" in html_body
+
+
+def test_clean_text_strips_nul_keeps_bullets():
+    assert "\x00" not in clean_text("a\x00b\tc")
+    assert "•" in clean_text("елемент • едно")
+    assert "→" in clean_text("A → B")