优化

2026-08-25 14:46:06 +08:00
parent 5abc7543ae
commit f325d57fc1
106 changed files with 3682 additions and 450 deletions
@@ -0,0 +1,58 @@
+package com.baiyue.eventbridge.metrics;
+
+import com.baiyue.eventbridge.domain.BridgeInbox;
+import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
+import io.micrometer.core.instrument.MeterRegistry;
+import org.junit.jupiter.api.Test;
+
+import java.lang.reflect.Modifier;
+import java.util.Arrays;
+
+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 collapsesUnboundedRegionAndEventTypeLabelsToOther() {
+        SimpleMeterRegistry registry = new SimpleMeterRegistry();
+        EventBridgeMetrics metrics = new EventBridgeMetrics(registry);
+        BridgeInbox event = new BridgeInbox();
+        event.setTargetRegion("customer-controlled-region");
+        event.setEventType("dynamic-event-123456");
+
+        metrics.recordTransport(event, EventBridgeMetrics.TransportResult.RETRY);
+
+        assertThat(registry.get(EventBridgeMetrics.TRANSPORT_METRIC)
+                .tags("target_region", "OTHER", "event_type", "OTHER", "result", "RETRY")
+                .counter().count()).isEqualTo(1.0);
+        assertThat(registry.getMeters()).allSatisfy(meter -> assertThat(meter.getId().getTags())
+                .noneMatch(tag -> tag.getValue().contains("dynamic-event")));
+        assertThat(EventBridgeMetrics.eventType(null)).isEqualTo("OTHER");
+    }
+
+    @Test
+    void everyFrozenEventTypeHasABoundedTagValue() {
+        assertThat(Arrays.stream(com.baiyue.common.event.EventTypes.class.getFields())
+                .filter(field -> Modifier.isStatic(field.getModifiers()) && field.getType() == String.class)
+                .map(field -> {
+                    try {
+                        return (String) field.get(null);
+                    } catch (IllegalAccessException exception) {
+                        throw new AssertionError(exception);
+                    }
+                })).allMatch(value -> EventBridgeMetrics.eventType(value).equals(value));
+    }
+
+    @Test
+    void metricsFailureDoesNotChangeTransportControlFlow() {
+        EventBridgeMetrics metrics = new EventBridgeMetrics(mock(MeterRegistry.class));
+        BridgeInbox event = new BridgeInbox();
+        event.setTargetRegion("CN");
+        event.setEventType(com.baiyue.common.event.EventTypes.OVERSEAS_CONTAINER_UNLOADED);
+
+        assertThatCode(() -> metrics.recordTransport(event, EventBridgeMetrics.TransportResult.RETRY))
+                .doesNotThrowAnyException();
+    }
+}