优化

common-audit/src/test/java/com/baiyue/common/audit/SensitiveDataSanitizerTest.java

@@ -0,0 +1,24 @@
+package com.baiyue.common.audit;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.Test;
+
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class SensitiveDataSanitizerTest {
+    private final ObjectMapper mapper = new ObjectMapper();
+
+    @Test
+    void truncatedSnapshotRemainsValidJson() throws Exception {
+        SensitiveDataSanitizer sanitizer = new SensitiveDataSanitizer(mapper, 40);
+
+        String sanitized = sanitizer.sanitize(Map.of("description", "x".repeat(200)));
+        JsonNode parsed = mapper.readTree(sanitized);
+
+        assertThat(parsed.path("_truncated").asBoolean()).isTrue();
+        assertThat(parsed.path("_originalLength").asInt()).isGreaterThan(40);
+    }
+}