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

tests/test_ch6_validate_evidence_none_case.py

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+import pytest
+import json
+import sys
+from pathlib import Path
+
+ch6_e2e = Path(__file__).resolve().parent.parent / "chapter6" / "end-to-end-speech"
+if str(ch6_e2e) not in sys.path:
+    sys.path.insert(0, str(ch6_e2e))
+
+from validate_evidence import validate
+
+
+def test_validate_handles_none_case_arms(tmp_path):
+    evidence_file = tmp_path / "evidence.json"
+    evidence_file.write_text(
+        json.dumps({"cases": [{"direct": None, "self_cascade": None}]}),
+        encoding="utf-8",
+    )
+    result = validate(evidence_file)
+    assert result["passed"] is False
+    assert result["checks"]["both_arms_complete"] is False