优化

event-bridge-service/src/test/java/com/baiyue/eventbridge/metrics/EventBridgeMetricsTest.java

@@ -8,12 +8,32 @@ import org.junit.jupiter.api.Test;
 import java.lang.reflect.Modifier;
 import java.util.Arrays;
 
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatCode;
 import static org.mockito.Mockito.mock;
 
 class EventBridgeMetricsTest {
 
+    @Test
+    void productionConstructorIsExplicitForSpringWhenTestClockConstructorAlsoExists() throws Exception {
+        assertThat(EventBridgeMetrics.class.getConstructor(MeterRegistry.class)
+                .isAnnotationPresent(Autowired.class)).isTrue();
+    }
+
+    @Test
+    void springContextCreatesMetricsBeanWithTheAnnotatedProductionConstructor() {
+        try (AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext()) {
+            context.registerBean(MeterRegistry.class, SimpleMeterRegistry::new);
+            context.register(EventBridgeMetrics.class);
+            context.refresh();
+
+            assertThat(context.getBean(EventBridgeMetrics.class)).isNotNull();
+        }
+    }
+
     @Test
     void collapsesUnboundedRegionAndEventTypeLabelsToOther() {
         SimpleMeterRegistry registry = new SimpleMeterRegistry();