ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter10/autonomous-phone-registration/test_validate_acceptance.py

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+import hashlib
+import json
+import shutil
+from pathlib import Path
+
+import pytest
+from validate_acceptance import ValidationFailure, validate_run
+
+ROOT = Path(__file__).parent
+RUN = ROOT / "validation/runs/exp10-3-webrtc-raw-20260731-v4"
+
+
+def _write(path: Path, value: dict) -> None:
+    path.write_text(json.dumps(value, ensure_ascii=False, indent=2), encoding="utf-8")
+
+
+def _rehash_artifact(run_dir: Path, name: str) -> None:
+    manifest_path = run_dir / "manifest.json"
+    manifest = json.loads(manifest_path.read_text(encoding="utf-8"))
+    manifest["artifact_sha256"][name] = hashlib.sha256((run_dir / name).read_bytes()).hexdigest()
+    _write(manifest_path, manifest)
+
+
+def _copy_run(tmp_path: Path) -> Path:
+    destination = tmp_path / "run"
+    shutil.copytree(RUN, destination)
+    return destination
+
+
+def test_standalone_validator_proves_raw_receipt_consistency() -> None:
+    result = validate_run(RUN, source_root=ROOT)
+    assert result["status"] == "pass"
+    assert result["checks"]["raw_ark_request_tool_choice_auto"] == "pass"
+    assert result["checks"]["raw_arguments_normalize_to_decision"] == "pass"
+
+
+def test_validator_rejects_semantically_modified_raw_receipt(tmp_path: Path) -> None:
+    run_dir = _copy_run(tmp_path)
+    path = run_dir / "raw_decision_response.json"
+    receipt = json.loads(path.read_text(encoding="utf-8"))
+    receipt["response"]["id"] = "tampered-response-id"
+    _write(path, receipt)
+    _rehash_artifact(run_dir, path.name)
+
+    with pytest.raises(ValidationFailure, match="response ID differs"):
+        validate_run(run_dir, source_root=ROOT)
+
+
+def test_validator_rejects_semantically_modified_normalized_decision(tmp_path: Path) -> None:
+    run_dir = _copy_run(tmp_path)
+    path = run_dir / "decision.json"
+    decision = json.loads(path.read_text(encoding="utf-8"))
+    decision["purpose"] = "tampered normalized purpose"
+    _write(path, decision)
+    _rehash_artifact(run_dir, path.name)
+
+    with pytest.raises(ValidationFailure, match="raw purpose differs"):
+        validate_run(run_dir, source_root=ROOT)
+
+
+def test_validator_rejects_modified_manifest_hash(tmp_path: Path) -> None:
+    run_dir = _copy_run(tmp_path)
+    path = run_dir / "manifest.json"
+    manifest = json.loads(path.read_text(encoding="utf-8"))
+    manifest["artifact_sha256"]["raw_decision_request.json"] = "0" * 64
+    _write(path, manifest)
+
+    with pytest.raises(ValidationFailure, match="artifact_sha256 hash mismatch"):
+        validate_run(run_dir, source_root=ROOT)
+
+
+def test_validator_rejects_unbound_retained_artifact(tmp_path: Path) -> None:
+    run_dir = _copy_run(tmp_path)
+    (run_dir / "unbound_transcript.txt").write_text("unexpected", encoding="utf-8")
+
+    with pytest.raises(ValidationFailure, match="retained run files differ"):
+        validate_run(run_dir, source_root=ROOT)