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

chapter3/log-sanitization/tests/test_url_credential_empty_user.py

@@ -0,0 +1,22 @@
+"""Regression: URL credentials with an empty username must be redacted."""
+from regex_sanitizer import sanitize
+
+
+def test_redis_empty_user_password_redacted():
+    text, hits = sanitize("redis://:secretpass@10.0.0.1:6379/0")
+    assert "secretpass" not in text
+    assert "[REDACTED_URL_CRED]" in text
+    assert any(h["category"] == "url_credential" for h in hits)
+
+
+def test_postgres_empty_user_password_redacted():
+    text, hits = sanitize("DATABASE_URL=postgres://:hunter2@localhost:5432/db")
+    assert "hunter2" not in text
+    assert "[REDACTED_URL_CRED]" in text
+    assert any(h["category"] == "url_credential" for h in hits)
+
+
+def test_named_user_password_still_redacted():
+    text, hits = sanitize("redis://default:secretpass@10.0.0.1:6379/0")
+    assert "secretpass" not in text
+    assert "[REDACTED_URL_CRED]" in text