Implement anydoc with docling

tests/parser/file/test_anydoc_parser.py

@@ -0,0 +1,313 @@
+"""Tests for the anydoc parser (the default ``DOC_PARSER_ENGINE``).
+
+Three behaviours matter and are asserted separately:
+
+* a file anydoc converts comes back as Markdown, with ``last_engine`` set;
+* a file it refuses (a scanned PDF, an unknown format) goes to the fallback
+  parser when one is configured, and every failure surfaces as
+  ``DocumentParseError`` — never as an empty document or a raw traceback;
+* the suffix list the parser map is built from matches what the installed
+  anydoc actually accepts.
+"""
+
+import importlib.machinery
+import sys
+import types
+
+import pytest
+
+from application.parser.file.base_parser import BaseParser, DocumentParseError
+
+anydoc = pytest.importorskip("anydoc")
+
+from application.parser.file.anydoc_parser import (  # noqa: E402 — after importorskip
+    ANYDOC_SUFFIXES,
+    AnydocParser,
+    anydoc_available,
+)
+
+
+class _RecordingFallback(BaseParser):
+    """Stands in for docling / a legacy parser so delegation is observable."""
+
+    def __init__(self, result="fallback text"):
+        super().__init__(parser_config={})
+        self.calls = []
+        self._result = result
+
+    def _init_parser(self):
+        return {}
+
+    def parse_file(self, file, errors="ignore"):
+        self.calls.append(file)
+        return self._result
+
+
+class _ExplodingFallback(BaseParser):
+    def _init_parser(self):
+        return {}
+
+    def parse_file(self, file, errors="ignore"):
+        raise RuntimeError("fallback blew up")
+
+
+def _scanned_pdf(path, pages=2):
+    """A PDF with pages but no text layer: what a scan looks like to a parser."""
+    from pypdf import PdfWriter
+
+    writer = PdfWriter()
+    for _ in range(pages):
+        writer.add_blank_page(width=612, height=792)
+    with open(path, "wb") as fh:
+        writer.write(fh)
+    return path
+
+
+def _fake_anydoc(monkeypatch, to_markdown):
+    """Install a stub ``anydoc`` module whose ``to_markdown`` is ``to_markdown``."""
+    fake = types.ModuleType("anydoc")
+    fake.__spec__ = importlib.machinery.ModuleSpec("anydoc", None)
+
+    class ConvertError(Exception):
+        pass
+
+    class UnsupportedError(ConvertError):
+        pass
+
+    class ResourceLimitError(ConvertError):
+        pass
+
+    fake.ConvertError = ConvertError
+    fake.UnsupportedError = UnsupportedError
+    fake.ResourceLimitError = ResourceLimitError
+    fake.to_markdown = to_markdown
+    monkeypatch.setitem(sys.modules, "anydoc", fake)
+    return fake
+
+
+# --- the suffix list is what anydoc really supports ---------------------------
+
+
+def test_every_listed_suffix_is_an_anydoc_format():
+    for suffix in ANYDOC_SUFFIXES:
+        assert anydoc.format_from_extension(suffix) is not None, suffix
+
+
+def test_epub_and_html_are_not_routed_to_anydoc():
+    assert ".epub" not in ANYDOC_SUFFIXES
+    assert ".html" not in ANYDOC_SUFFIXES
+
+
+# --- successful conversion -----------------------------------------------------
+
+
+def test_csv_converts_to_markdown_table(tmp_path):
+    path = tmp_path / "items.csv"
+    path.write_text("name,qty\nwidget,3\ngadget,5\n")
+    parser = AnydocParser()
+    parser.init_parser()
+
+    out = parser.parse_file(path)
+
+    assert isinstance(out, str)
+    assert "widget" in out and "gadget" in out
+    assert "|" in out  # rendered as a GFM table, not flat text
+    assert parser.last_engine == "anydoc"
+
+
+def test_xlsx_converts_with_cell_text(tmp_path):
+    openpyxl = pytest.importorskip("openpyxl")
+    path = tmp_path / "book.xlsx"
+    wb = openpyxl.Workbook()
+    ws = wb.active
+    ws.append(["city", "population"])
+    ws.append(["Ljubljana", 295000])
+    wb.save(path)
+
+    out = AnydocParser().parse_file(path)
+
+    assert "Ljubljana" in out
+    assert "295000" in out
+
+
+def test_accepts_path_and_str(tmp_path):
+    path = tmp_path / "a.csv"
+    path.write_text("x,y\n1,2\n")
+    assert AnydocParser().parse_file(str(path)) == AnydocParser().parse_file(path)
+
+
+# --- refusal routes to the fallback --------------------------------------------
+
+
+def test_scanned_pdf_delegates_to_fallback(tmp_path):
+    path = _scanned_pdf(tmp_path / "scan.pdf")
+    fallback = _RecordingFallback()
+    parser = AnydocParser(fallback_parser=fallback)
+
+    out = parser.parse_file(path)
+
+    assert out == "fallback text"
+    assert fallback.calls == [path]
+    assert parser.last_engine == "_RecordingFallback"
+
+
+def test_fallback_last_engine_is_reported_when_it_has_one(tmp_path):
+    path = _scanned_pdf(tmp_path / "scan.pdf")
+    fallback = _RecordingFallback()
+    fallback.last_engine = "pypdfium2"
+
+    parser = AnydocParser(fallback_parser=fallback)
+    parser.parse_file(path)
+
+    assert parser.last_engine == "pypdfium2"
+
+
+def test_scanned_pdf_without_fallback_is_document_parse_error(tmp_path):
+    path = _scanned_pdf(tmp_path / "scan.pdf")
+    parser = AnydocParser()
+
+    with pytest.raises(DocumentParseError, match="scan.pdf"):
+        parser.parse_file(path)
+    assert parser.last_engine is None
+
+
+def test_unknown_format_without_fallback_is_document_parse_error(tmp_path):
+    path = tmp_path / "blob.xyz"
+    path.write_bytes(b"hello")
+
+    with pytest.raises(DocumentParseError, match="blob.xyz"):
+        AnydocParser().parse_file(path)
+
+
+def test_fallback_failure_is_document_parse_error(tmp_path):
+    """A fallback that raises must not leak a bare exception (load_data skips only DocumentParseError)."""
+    path = _scanned_pdf(tmp_path / "scan.pdf")
+
+    with pytest.raises(DocumentParseError):
+        AnydocParser(fallback_parser=_ExplodingFallback()).parse_file(path)
+
+
+def test_fallback_document_parse_error_passes_through(tmp_path):
+    class _Refusing(BaseParser):
+        def _init_parser(self):
+            return {}
+
+        def parse_file(self, file, errors="ignore"):
+            raise DocumentParseError("scan needs OCR")
+
+    path = _scanned_pdf(tmp_path / "scan.pdf")
+    with pytest.raises(DocumentParseError, match="scan needs OCR"):
+        AnydocParser(fallback_parser=_Refusing()).parse_file(path)
+
+
+def test_missing_file_is_document_parse_error(tmp_path):
+    with pytest.raises(DocumentParseError, match="could not be read"):
+        AnydocParser().parse_file(tmp_path / "missing.docx")
+
+
+def test_empty_output_delegates(tmp_path, monkeypatch):
+    """Whitespace-only output is treated as a failed conversion, not stored."""
+    _fake_anydoc(monkeypatch, lambda path: "  \n\n ")
+    fallback = _RecordingFallback("real text")
+    path = tmp_path / "x.docx"
+    path.write_bytes(b"irrelevant")
+
+    out = AnydocParser(fallback_parser=fallback).parse_file(path)
+
+    assert out == "real text"
+    assert fallback.calls == [path]
+
+
+def test_typed_convert_error_delegates(tmp_path, monkeypatch):
+    fake = _fake_anydoc(monkeypatch, None)
+
+    def _refuse(path):
+        raise fake.UnsupportedError("PDF has no extractable text; OCR is required")
+
+    fake.to_markdown = _refuse
+    fallback = _RecordingFallback()
+    path = tmp_path / "x.pdf"
+    path.write_bytes(b"%PDF-1.4")
+
+    assert AnydocParser(fallback_parser=fallback).parse_file(path) == "fallback text"
+
+
+def test_typed_convert_error_message_reaches_the_user(tmp_path, monkeypatch):
+    fake = _fake_anydoc(monkeypatch, None)
+
+    def _refuse(path):
+        raise fake.UnsupportedError("PDF has no extractable text; OCR is required")
+
+    fake.to_markdown = _refuse
+    path = tmp_path / "x.pdf"
+    path.write_bytes(b"%PDF-1.4")
+
+    with pytest.raises(DocumentParseError, match="OCR is required"):
+        AnydocParser().parse_file(path)
+
+
+def test_resource_limit_is_terminal_even_with_fallback(tmp_path, monkeypatch):
+    """anydoc refusing a file as too expensive must not hand it to a heavier
+    engine that would then spend exactly what was refused."""
+    fake = _fake_anydoc(monkeypatch, None)
+
+    def _refuse(path):
+        raise fake.ResourceLimitError(
+            "resource limit exceeded (max_entry_bytes): word/document.xml declares 400400167 bytes"
+        )
+
+    fake.to_markdown = _refuse
+    fallback = _RecordingFallback()
+    parser = AnydocParser(fallback_parser=fallback)
+    path = tmp_path / "bomb.docx"
+    path.write_bytes(b"PK")
+
+    with pytest.raises(DocumentParseError, match="max_entry_bytes"):
+        parser.parse_file(path)
+    assert fallback.calls == []
+    assert parser.last_engine is None
+
+
+def test_unexpected_exception_is_document_parse_error(tmp_path, monkeypatch):
+    def _crash(path):
+        raise RuntimeError("panic")
+
+    _fake_anydoc(monkeypatch, _crash)
+    path = tmp_path / "x.docx"
+    path.write_bytes(b"irrelevant")
+
+    with pytest.raises(DocumentParseError, match="x.docx"):
+        AnydocParser().parse_file(path)
+
+
+# --- init / availability --------------------------------------------------------
+
+
+def test_init_parser_records_fallback():
+    parser = AnydocParser(fallback_parser=_RecordingFallback())
+    parser.init_parser()
+    assert parser.parser_config == {"fallback_parser": "_RecordingFallback"}
+
+    bare = AnydocParser()
+    bare.init_parser()
+    assert bare.parser_config == {"fallback_parser": None}
+
+
+def test_init_parser_without_anydoc_raises_import_error(monkeypatch):
+    monkeypatch.setitem(sys.modules, "anydoc", None)
+    assert not anydoc_available()
+    with pytest.raises(ImportError, match="firecrawl-anydoc"):
+        AnydocParser().init_parser()
+
+
+def test_init_parser_imports_for_real_not_just_find_spec(monkeypatch):
+    """A wheel whose native extension fails to load has a spec but no importable
+    module; that must surface at init, not as a bare ImportError from parse_file
+    mid-ingest (which load_data does not catch)."""
+    import application.parser.file.anydoc_parser as mod
+
+    monkeypatch.setattr(mod, "anydoc_available", lambda: True)
+    monkeypatch.setitem(sys.modules, "anydoc", None)
+
+    with pytest.raises(ImportError, match="firecrawl-anydoc"):
+        AnydocParser().init_parser()

tests/parser/file/test_bulk.py

@@ -508,3 +508,123 @@ class TestGetDefaultFileExtractor:
             mock_fn.return_value = {".pdf": MagicMock(), ".md": MagicMock()}
             result = mock_fn()
             assert ".pdf" in result
+
+
+# =====================================================================
+# DOC_PARSER_ENGINE switch
+# =====================================================================
+
+
+@pytest.mark.unit
+class TestParserEngineSwitch:
+    """``get_default_file_extractor`` honours ``DOC_PARSER_ENGINE`` / ``engine``."""
+
+    @pytest.fixture
+    def settings(self):
+        from application.core.settings import settings
+
+        return settings
+
+    def test_default_engine_is_anydoc(self, settings, monkeypatch):
+        pytest.importorskip("anydoc")
+        from application.parser.file.anydoc_parser import ANYDOC_SUFFIXES, AnydocParser
+        from application.parser.file.bulk import get_default_file_extractor
+        from application.parser.file.html_parser import HTMLMarkdownParser
+
+        monkeypatch.setattr(settings, "DOC_PARSER_ENGINE", "anydoc")
+        extractor = get_default_file_extractor()
+
+        for suffix in ANYDOC_SUFFIXES:
+            assert isinstance(extractor[suffix], AnydocParser), suffix
+        assert isinstance(extractor[".html"], HTMLMarkdownParser)
+        assert isinstance(extractor[".xhtml"], HTMLMarkdownParser)
+        # Specialised parsers are untouched by the engine choice.
+        assert type(extractor[".md"]).__name__ == "MarkdownParser"
+        assert type(extractor[".json"]).__name__ == "JSONParser"
+        assert type(extractor[".epub"]).__name__ == "EpubParser"
+
+    def test_anydoc_falls_back_to_docling_when_installed(self):
+        pytest.importorskip("anydoc")
+        pytest.importorskip("docling")
+        from application.parser.file.bulk import get_default_file_extractor
+
+        extractor = get_default_file_extractor(engine="anydoc")
+
+        assert type(extractor[".pdf"].fallback_parser).__name__ == "DoclingPDFParser"
+        assert type(extractor[".csv"].fallback_parser).__name__ == "DoclingCSVParser"
+        assert extractor[".doc"].fallback_parser is None  # nothing else reads .doc
+        # docling keeps the formats anydoc cannot read.
+        assert type(extractor[".vtt"]).__name__ == "DoclingVTTParser"
+
+    def test_anydoc_fallback_honours_ocr_flag(self):
+        pytest.importorskip("anydoc")
+        pytest.importorskip("docling")
+        from application.parser.file.bulk import get_default_file_extractor
+
+        extractor = get_default_file_extractor(engine="anydoc", ocr_enabled=True)
+
+        assert extractor[".pdf"].fallback_parser.ocr_enabled is True
+        assert type(extractor[".png"]).__name__ == "DoclingImageParser"
+
+    def test_anydoc_falls_back_to_legacy_without_docling(self, monkeypatch):
+        pytest.importorskip("anydoc")
+        import sys
+
+        from application.parser.file.bulk import get_default_file_extractor
+
+        monkeypatch.setitem(sys.modules, "docling", None)
+        extractor = get_default_file_extractor(engine="anydoc")
+
+        assert type(extractor[".pdf"].fallback_parser).__name__ == "PDFParser"
+        assert type(extractor[".xlsx"].fallback_parser).__name__ == "ExcelParser"
+        assert type(extractor[".png"]).__name__ == "ImageParser"
+
+    def test_docling_engine_keeps_docling_map(self):
+        pytest.importorskip("docling")
+        from application.parser.file.bulk import get_default_file_extractor
+
+        extractor = get_default_file_extractor(engine="docling")
+
+        assert type(extractor[".pdf"]).__name__ == "DoclingPDFParser"
+        assert type(extractor[".html"]).__name__ == "DoclingHTMLParser"
+
+    def test_setting_selects_docling(self, settings, monkeypatch):
+        pytest.importorskip("docling")
+        from application.parser.file.bulk import get_default_file_extractor
+
+        monkeypatch.setattr(settings, "DOC_PARSER_ENGINE", "docling")
+        assert type(get_default_file_extractor()[".pdf"]).__name__ == "DoclingPDFParser"
+
+    def test_unknown_engine_uses_anydoc(self):
+        pytest.importorskip("anydoc")
+        from application.parser.file.anydoc_parser import AnydocParser
+        from application.parser.file.bulk import get_default_file_extractor
+
+        assert isinstance(get_default_file_extractor(engine="ghost")[".pdf"], AnydocParser)
+
+    def test_missing_anydoc_degrades_to_base_engine(self, monkeypatch):
+        import sys
+
+        from application.parser.file.bulk import get_default_file_extractor
+
+        monkeypatch.setitem(sys.modules, "anydoc", None)
+        extractor = get_default_file_extractor(engine="anydoc")
+
+        assert type(extractor[".pdf"]).__name__ in ("DoclingPDFParser", "PDFParser")
+        assert type(extractor[".html"]).__name__ in ("DoclingHTMLParser", "HTMLParser")
+
+    def test_missing_docling_map_is_usable(self, monkeypatch):
+        """Regression: with docling absent the map handed out docling parsers whose
+        ``init_parser`` raised ``ImportError`` — not a ``DocumentParseError`` — so
+        the first file aborted the whole ingest instead of degrading."""
+        import sys
+
+        from application.parser.file.bulk import get_default_file_extractor
+
+        monkeypatch.setitem(sys.modules, "docling", None)
+        extractor = get_default_file_extractor(engine="docling")
+
+        assert type(extractor[".pdf"]).__name__ == "PDFParser"
+        assert ".xhtml" in extractor
+        for suffix in (".pdf", ".docx", ".csv", ".xlsx", ".html", ".xhtml", ".pptx"):
+            extractor[suffix].init_parser()

tests/parser/file/test_html_parser.py

@@ -54,3 +54,180 @@ def test_html_parser_metadata_without_title(tmp_path):
 
 def test_html_parser_metadata_unreadable_file(tmp_path):
     assert HTMLParser().get_file_metadata(tmp_path / "missing.html") == {}
+
+
+# --- HTMLMarkdownParser: the anydoc engine's HTML path ---------------------------
+
+from application.parser.file.html_parser import HTMLMarkdownParser, html_to_markdown  # noqa: E402
+
+RICH_HTML = """<html><head><title>Doc Title</title>
+<style>.x { color: red }</style><script>var secret = 1;</script></head>
+<body>
+<h1>Heading</h1>
+<p>See <a href="../ref.html#anchor">the ref</a> for details.</p>
+<table><tr><th>h1</th><th>h2</th></tr><tr><td>1</td><td>2</td></tr></table>
+<pre><code>typing.__name__, typing.__spec__.name</code></pre>
+</body></html>"""
+
+
+@pytest.fixture
+def rich_html_file(tmp_path):
+    path = tmp_path / "rich.html"
+    path.write_text(RICH_HTML)
+    return path
+
+
+def test_markdown_parser_keeps_structure(rich_html_file):
+    out = HTMLMarkdownParser().parse_file(rich_html_file)
+
+    assert isinstance(out, str)
+    assert "# Heading" in out
+    assert "[the ref](../ref.html#anchor)" in out  # links kept, hrefs verbatim
+    assert "| h1 | h2 |" in out and "| 1 | 2 |" in out  # GFM table
+    assert "typing.__name__, typing.__spec__.name" in out  # code byte-exact
+
+
+def test_markdown_parser_drops_non_content(rich_html_file):
+    out = HTMLMarkdownParser().parse_file(rich_html_file)
+
+    assert "var secret" not in out
+    assert "color: red" not in out
+    assert "Doc Title" not in out  # title is metadata, not body text
+
+
+def test_markdown_parser_reports_title_metadata(rich_html_file):
+    assert HTMLMarkdownParser().get_file_metadata(rich_html_file) == {"title": "Doc Title"}
+
+
+def test_markdown_parser_differs_from_plain_text_contract(rich_html_file):
+    """``HTMLParser`` stays plain text (the ``fast`` engine's contract); only the new class emits Markdown."""
+    plain = HTMLParser().parse_file(rich_html_file)
+    assert "# Heading" not in plain
+    assert "[the ref]" not in plain
+
+
+def test_markdown_parser_handles_xhtml(tmp_path):
+    path = tmp_path / "page.xhtml"
+    path.write_text(
+        '<?xml version="1.0" encoding="UTF-8"?>\n'
+        '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" '
+        '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\n'
+        '<html xmlns="http://www.w3.org/1999/xhtml"><head><title>X</title></head>'
+        "<body><h2>Section</h2><p>Body &amp; entities.</p></body></html>"
+    )
+    out = HTMLMarkdownParser().parse_file(path)
+    assert "## Section" in out
+    assert "Body & entities." in out
+
+
+def test_markdown_parser_init():
+    parser = HTMLMarkdownParser()
+    assert not parser.parser_config_set
+    parser.init_parser()
+    assert parser.parser_config_set
+
+
+def test_html_to_markdown_collapses_blank_runs():
+    out = html_to_markdown("<p>a</p><br/><br/><br/><br/><p>b</p>")
+    assert "\n\n\n" not in out
+    assert out.startswith("a") and out.endswith("b")
+
+
+# --- HTMLMarkdownParser: input bounding and decoding ------------------------------
+
+
+def test_markdown_parser_head_truncates_oversized_markup(tmp_path, monkeypatch):
+    """Markup past MARKUP_MAX_BYTES is not parsed: the soup+markdownify tree costs
+    ~50x the input, and the upload cap is 100 MB."""
+    from application.core.settings import settings
+
+    monkeypatch.setattr(settings, "MARKUP_MAX_BYTES", 600)
+    path = tmp_path / "big.html"
+    body = "".join(f"<p>para {i}</p>\n" for i in range(300))
+    path.write_text("<html><head><title>Big</title></head><body>\n" + body + "</body></html>")
+    assert path.stat().st_size > 600
+
+    out = HTMLMarkdownParser().parse_file(path)
+
+    assert "para 0" in out
+    assert "para 299" not in out
+    assert HTMLMarkdownParser().get_file_metadata(path) == {"title": "Big"}
+
+
+def test_markdown_parser_gate_disabled_reads_everything(tmp_path, monkeypatch):
+    from application.core.settings import settings
+
+    monkeypatch.setattr(settings, "MARKUP_MAX_BYTES", 0)
+    path = tmp_path / "big.html"
+    body = "".join(f"<p>para {i}</p>\n" for i in range(300))
+    path.write_text("<html><body>\n" + body + "</body></html>")
+
+    out = HTMLMarkdownParser().parse_file(path)
+
+    assert "para 299" in out
+
+
+def test_markdown_parser_honours_declared_charset(tmp_path):
+    """The file is handed to BeautifulSoup as bytes so ``<meta charset>`` wins
+    over the process locale (docling did the same; the text parser does not)."""
+    path = tmp_path / "cp1250.html"
+    path.write_bytes(
+        '<html><head><meta charset="windows-1250"><title>Plzeň</title></head>'
+        "<body><p>Jiří z Plzně</p></body></html>".encode("cp1250")
+    )
+
+    assert "Jiří z Plzně" in HTMLMarkdownParser().parse_file(path)
+    assert HTMLMarkdownParser().get_file_metadata(path) == {"title": "Plzeň"}
+
+
+def test_markdown_parser_metadata_unreadable_file(tmp_path):
+    assert HTMLMarkdownParser().get_file_metadata(tmp_path / "missing.html") == {}
+
+
+def test_markdown_parser_cut_inside_utf8_char_does_not_mojibake_the_page(tmp_path, monkeypatch):
+    """A byte cut mid-character makes strict UTF-8 fail; BeautifulSoup would then
+    retry as windows-1252, which *succeeds* on umlauts and garbles everything."""
+    from application.core.settings import settings
+
+    path = tmp_path / "minified.html"
+    body = "<p>Größe Übermaß schön für</p>" * 400  # no newlines: the cut is arbitrary
+    path.write_bytes(
+        ('<html><head><meta charset="utf-8"><title>Größe</title></head><body>' + body + "</body></html>")
+        .encode("utf-8")
+    )
+    for cap in (2001, 2002, 2003):  # one of these lands inside a 2-byte sequence
+        monkeypatch.setattr(settings, "MARKUP_MAX_BYTES", cap)
+        out = HTMLMarkdownParser().parse_file(path)
+        assert "Größe Übermaß schön für" in out, cap
+        assert "Ã" not in out, cap
+
+
+def test_trim_torn_utf8_tail():
+    from application.parser.file.html_parser import _trim_torn_utf8_tail as trim
+
+    e_acute, snowman, emoji = "é".encode(), "☃".encode(), "😀".encode()
+    assert trim(b"abc") == b"abc"
+    assert trim(b"abc" + e_acute) == b"abc" + e_acute  # complete 2-byte
+    assert trim(b"abc" + e_acute[:1]) == b"abc"  # torn 2-byte
+    assert trim(b"abc" + snowman[:2]) == b"abc"  # torn 3-byte
+    assert trim(b"abc" + emoji[:3]) == b"abc"  # torn 4-byte
+    assert trim(b"abc" + emoji) == b"abc" + emoji
+    assert trim(b"") == b""
+    assert trim(b"\xe8") == b""  # lone lead byte (also a cp1250 letter: at most one glyph lost)
+
+
+def test_markdown_parser_metadata_reuses_last_parse(tmp_path, rich_html_file, monkeypatch):
+    """The metadata call after parse_file must not build the soup again."""
+    import application.parser.file.html_parser as mod
+
+    parser = HTMLMarkdownParser()
+    parser.parse_file(rich_html_file)
+    calls = []
+    monkeypatch.setattr(mod, "read_markup_head", lambda *a, **k: calls.append(a) or b"")
+    assert parser.get_file_metadata(rich_html_file) == {"title": "Doc Title"}
+    assert calls == []
+    # A different file is read afresh.
+    other = tmp_path / "other.html"
+    other.write_text("<title>Other</title>")
+    parser.get_file_metadata(other)
+    assert len(calls) == 1

tests/parser/file/test_pdfium_parser.py

@@ -153,9 +153,17 @@ def test_threshold_sends_sparse_text_to_fallback(tmp_path, parser_cls):
 
 
 # --- extractor wiring: the guard that source ingestion keeps docling ---------
+# (under the docling engine; the anydoc engine ignores the fast path, see below)
 
 
-def test_extractor_defaults_to_docling_for_pdf():
+@pytest.fixture
+def docling_engine(monkeypatch):
+    from application.core.settings import settings
+
+    monkeypatch.setattr(settings, "DOC_PARSER_ENGINE", "docling")
+
+
+def test_extractor_defaults_to_docling_for_pdf(docling_engine):
     """Sources must be unaffected: no fast path unless explicitly requested."""
     from application.parser.file.bulk import get_default_file_extractor
 
@@ -164,7 +172,7 @@ def test_extractor_defaults_to_docling_for_pdf():
     assert type(pdf_parser).__name__ == "DoclingPDFParser"
 
 
-def test_extractor_uses_fast_path_when_requested():
+def test_extractor_uses_fast_path_when_requested(docling_engine):
     from application.parser.file.bulk import get_default_file_extractor
     from application.parser.file.pdfium_parser import PdfiumTextParser
 
@@ -174,7 +182,20 @@ def test_extractor_uses_fast_path_when_requested():
     assert type(pdf_parser.fallback_parser).__name__ == "DoclingPDFParser"
 
 
-def test_fast_path_does_not_change_non_pdf_parsers():
+def test_anydoc_engine_ignores_fast_path(monkeypatch):
+    """anydoc already reads the text layer in milliseconds and keeps structure."""
+    pytest.importorskip("anydoc")
+    from application.core.settings import settings
+    from application.parser.file.bulk import get_default_file_extractor
+
+    monkeypatch.setattr(settings, "DOC_PARSER_ENGINE", "anydoc")
+
+    pdf_parser = get_default_file_extractor(pdf_text_fast_path=True)[".pdf"]
+
+    assert type(pdf_parser).__name__ == "AnydocParser"
+
+
+def test_fast_path_does_not_change_non_pdf_parsers(docling_engine):
     from application.parser.file.bulk import get_default_file_extractor
 
     plain = get_default_file_extractor()