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    "id": "METHOD-0288",
    "kind": "METHOD",
    "title": "pytestで不正入力が所定の例外になることを検査する",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "requirements": [
      "Python",
      "期待結果の定義",
      "原典と導入済みversionの対応を確認し、権限のある検証用入力・別の出力先を用意する"
    ],
    "suitable_for": "エラー処理が仕様どおり動くか確かめる場面。",
    "unsuitable_for": "すべての例外を同じ成功扱いにする用途。",
    "purpose": "pytestで不正入力が所定の例外になることを検査する",
    "composition": "pytest + Python",
    "shortest_path": [
      "想定する例外型と不正入力を決める",
      "pytest.raises内で対象の処理を呼ぶ",
      "例外が出ない場合と別の例外を区別する"
    ],
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      "testing/verification"
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