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ragflow/test/unit_test/deepdoc/parser/test_excel_parser.py

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Python

#
# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import importlib.util
import os
import sys
from io import BytesIO
from unittest import mock
import pytest
# Import RAGFlowExcelParser directly by file path to avoid triggering
# deepdoc/parser/__init__.py and rag.nlp, which pull in heavy dependencies.
for _m in ["pandas", "rag.nlp", "rag.utils", "rag.utils.lazy_image"]:
if _m not in sys.modules:
sys.modules[_m] = mock.MagicMock()
def _find_project_root(marker="pyproject.toml"):
d = os.path.dirname(os.path.abspath(__file__))
while d != os.path.dirname(d):
if os.path.exists(os.path.join(d, marker)):
return d
d = os.path.dirname(d)
return None
_PROJECT_ROOT = _find_project_root()
_spec = importlib.util.spec_from_file_location(
"deepdoc.parser.excel_parser",
os.path.join(_PROJECT_ROOT, "deepdoc", "parser", "excel_parser.py"),
)
_mod = importlib.util.module_from_spec(_spec)
sys.modules["deepdoc.parser.excel_parser"] = _mod
_spec.loader.exec_module(_mod)
RAGFlowExcelParser = _mod.RAGFlowExcelParser
def _make_xlsx(n_data_rows):
from openpyxl import Workbook
wb = Workbook()
ws = wb.active
ws.append(["H1", "H2"])
for i in range(n_data_rows):
ws.append([f"a{i}", f"b{i}"])
buf = BytesIO()
wb.save(buf)
buf.seek(0)
return buf.read()
def _chunk_has_no_data_cells(chunk):
return "<td>" not in chunk and "<td></td>" not in chunk
@pytest.mark.p2
def test_exact_multiple_does_not_emit_header_only_chunk():
# 12 data rows with chunk_rows=12 (the value rag/app/naive.py uses).
chunks = RAGFlowExcelParser().html(_make_xlsx(12), chunk_rows=12)
assert len(chunks) == 1
assert all(not _chunk_has_no_data_cells(c) for c in chunks)
@pytest.mark.p2
def test_multiple_of_chunk_rows_splits_without_spurious_chunk():
# 24 data rows with chunk_rows=12 -> exactly 2 data chunks, no trailing header-only chunk.
chunks = RAGFlowExcelParser().html(_make_xlsx(24), chunk_rows=12)
assert len(chunks) == 2
assert all(not _chunk_has_no_data_cells(c) for c in chunks)
@pytest.mark.p2
def test_non_multiple_unchanged():
# 13 data rows with chunk_rows=12 -> 2 chunks (12 + 1).
chunks = RAGFlowExcelParser().html(_make_xlsx(13), chunk_rows=12)
assert len(chunks) == 2
assert all(not _chunk_has_no_data_cells(c) for c in chunks)