テスト要件追加

Author: harumiWeb

docs/agents/TEST_REQUIREMENTS.md

@@ -41,6 +41,8 @@ ExStruct のテストは以下のカテゴリに分類される：
 - [CEL-05] Unicode（絵文字、日本語、異体字）セルの読み取り
 - [CEL-06] Pandas 読み込みによる dtype=string 強制が守られている
 - [CEL-07] セル範囲が大きいファイルでも 1 万セル程度で性能問題がない
+- [CEL-08] `_coerce_numeric_preserve_format` が整数・小数・非数値を正しく判定する
+- [CEL-09] `detect_tables_openpyxl` が openpyxl の Table オブジェクトを検出できる
 
 ---
 
@@ -205,3 +207,6 @@ pydantic 構造が必ず仕様どおりであることを検証する。
 - [MODE-05] `process_excel` でモード指定が伝搬し、PDF/画像オプション併用でも正常終了する
 - [MODE-06] `standard` モードで既存フィクスチャの出力に回帰がない（不要な図形が増えない）
 - [MODE-07] 無効なモード値は処理開始前にエラーとなる
+- [INT-01] COM オープン失敗時に `extract_workbook` がセル＋テーブル候補のみを返すフォールバックを行う
+- [IO-05] `dict_without_empty_values` が None/空リスト/空辞書/空文字列を除去しネスト構造を保持する
+- [RENDER-01] Excel+COM+pypdfium2 環境で PDF/PNG を出力できるスモークテスト（環境変数でオンオフ可能）

pyproject.toml

@@ -44,3 +44,10 @@ Homepage = "https://harumiweb.github.io/exstruct/"
 Repository = "https://github.com/harumiWeb/exstruct"
 Issues = "https://github.com/harumiWeb/exstruct/issues"
 Documentation = "https://harumiweb.github.io/exstruct/"
+
+[tool.coverage.run]
+omit = [
+    "tests/*",
+    "*/test_*.py",
+    "*/gen_py/*",
+]

tests/test_cells_utils.py

@@ -0,0 +1,57 @@
+from pathlib import Path
+
+import pytest
+from openpyxl import Workbook, load_workbook
+from openpyxl.worksheet.table import Table, TableStyleInfo
+
+from exstruct.core import cells
+from exstruct.core.cells import _coerce_numeric_preserve_format, detect_tables_openpyxl
+
+
+def test_coerce_numeric_preserve_format() -> None:
+    assert _coerce_numeric_preserve_format("42") == 42
+    assert _coerce_numeric_preserve_format("-3.14") == -3.14
+    # non-numeric stays string
+    assert _coerce_numeric_preserve_format("3.14e2") == "3.14e2"
+    assert _coerce_numeric_preserve_format("abc") == "abc"
+
+
+def test_detect_tables_openpyxl_detects_tables(tmp_path: Path) -> None:
+    path = tmp_path / "sample.xlsx"
+    wb = Workbook()
+    ws = wb.active
+    ws.title = "Sheet1"
+    ws.append(["A", "B"])
+    ws.append([1, 2])
+    tab = Table(displayName="Table1", ref="A1:B2")
+    tab.tableStyleInfo = TableStyleInfo(name="TableStyleMedium9", showRowStripes=True)
+    ws.add_table(tab)
+    wb.save(path)
+    wb.close()
+
+    tables = detect_tables_openpyxl(path, "Sheet1")
+    assert "A1:B2" in tables
+
+
+def test_detect_tables_openpyxl_respects_table_params(tmp_path: Path, monkeypatch) -> None:
+    # Ensure detection still runs after modifying global thresholds
+    path = tmp_path / "sample.xlsx"
+    wb = Workbook()
+    ws = wb.active
+    ws.title = "Sheet1"
+    ws.append(["A", "B"])
+    ws.append([1, 2])
+    tab = Table(displayName="Table1", ref="A1:B2")
+    ws.add_table(tab)
+    wb.save(path)
+    wb.close()
+
+    # Force density/coverage to high thresholds to ensure Table objects are still returned
+    monkeypatch.setattr(cells, "_DETECTION_CONFIG", {
+        "table_score_threshold": 0.99,
+        "density_min": 0.99,
+        "coverage_min": 0.99,
+        "min_nonempty_cells": 1,
+    })
+    tables = detect_tables_openpyxl(path, "Sheet1")
+    assert "A1:B2" in tables

tests/test_integrate_fallback.py

@@ -0,0 +1,30 @@
+from pathlib import Path
+
+from openpyxl import Workbook
+
+from exstruct.core import integrate
+
+
+def test_extract_workbook_fallback_on_com_failure(monkeypatch, tmp_path: Path) -> None:
+    # create a tiny workbook
+    xlsx = tmp_path / "sample.xlsx"
+    wb = Workbook()
+    ws = wb.active
+    ws.title = "Sheet1"
+    ws.append(["A", "B"])
+    ws.append([1, 2])
+    from openpyxl.worksheet.table import Table
+
+    ws.add_table(Table(displayName="Table1", ref="A1:B2"))
+    wb.save(xlsx)
+    wb.close()
+
+    def boom(_path):
+        raise RuntimeError("COM unavailable")
+
+    monkeypatch.setattr(integrate, "_open_workbook", boom)
+    result = integrate.extract_workbook(xlsx, mode="standard")
+    assert result.sheets["Sheet1"].shapes == []
+    assert result.sheets["Sheet1"].charts == []
+    # table_candidates populated via openpyxl detection fallback
+    assert result.sheets["Sheet1"].table_candidates

tests/test_io_utils.py

@@ -0,0 +1,15 @@
+from exstruct.io import dict_without_empty_values
+
+
+def test_dict_without_empty_values_nested() -> None:
+    data = {
+        "a": 1,
+        "b": "",
+        "c": [],
+        "d": {},
+        "e": None,
+        "f": {"x": "ok", "y": "", "z": {"k": None, "m": 2}},
+        "g": [1, "", {}, []],
+    }
+    filtered = dict_without_empty_values(data)
+    assert filtered == {"a": 1, "f": {"x": "ok", "z": {"m": 2}}, "g": [1]}