优化

2026-08-25 19:07:34 +08:00
parent 65c01f8b3d
commit 7d36759f3f
28 changed files with 613 additions and 16 deletions
@@ -0,0 +1,41 @@
+package com.baiyue.common.web;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
+import org.slf4j.MDC;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class OutboundTraceHeadersTest {
+
+    @AfterEach
+    void clearMdc() {
+        MDC.clear();
+    }
+
+    @Test
+    void currentContextCreatesAValidChildWithoutUsingBusinessValues() {
+        MDC.put(CorrelationContext.REQUEST_ID, "req-trusted");
+        MDC.put(CorrelationContext.TRACE_ID, "4bf92f3577b34da6a3ce929d0e0e4736");
+
+        OutboundTraceHeaders headers = OutboundTraceHeaders.fromCurrentOrNew();
+
+        assertThat(headers.requestId()).isEqualTo("req-trusted");
+        assertThat(headers.traceId()).isEqualTo("4bf92f3577b34da6a3ce929d0e0e4736");
+        assertThat(headers.traceParent())
+                .matches("00-4bf92f3577b34da6a3ce929d0e0e4736-[0-9a-f]{16}-01");
+    }
+
+    @Test
+    void canonicalPersistedUuidIsCompactedAndInvalidValueStartsNewTrace() {
+        OutboundTraceHeaders uuid = OutboundTraceHeaders.fromTrustedTraceOrNew(
+                "550e8400-e29b-41d4-a716-446655440000");
+        OutboundTraceHeaders invalid = OutboundTraceHeaders.fromTrustedTraceOrNew(
+                "ORDER:customer-99:booking-123");
+
+        assertThat(uuid.traceId()).isEqualTo("550e8400e29b41d4a716446655440000");
+        assertThat(invalid.traceId()).matches("[0-9a-f]{32}")
+                .isNotEqualTo("ORDER:customer-99:booking-123");
+        assertThat(invalid.requestId()).matches("[0-9a-f-]{36}");
+    }
+}