JiriOndrusek commented on code in PR #22653: URL: https://github.com/apache/camel/pull/22653#discussion_r3093878156
########## components/camel-opentelemetry2/src/test/java/org/apache/camel/opentelemetry2/SpanKindTest.java: ########## @@ -0,0 +1,295 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.camel.opentelemetry2; + +import java.util.List; +import java.util.Map; + +import io.opentelemetry.api.common.AttributeKey; +import io.opentelemetry.api.trace.SpanKind; +import io.opentelemetry.sdk.trace.data.SpanData; +import org.apache.camel.CamelContext; +import org.apache.camel.CamelContextAware; +import org.apache.camel.RoutesBuilder; +import org.apache.camel.builder.RouteBuilder; +import org.apache.camel.component.mock.MockEndpoint; +import org.apache.camel.opentelemetry2.CamelOpenTelemetryExtension.OtelTrace; +import org.apache.camel.telemetry.Op; +import org.junit.jupiter.api.Test; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +/** + * Test that verifies SpanKind is set correctly for different component types. + */ +public class SpanKindTest extends OpenTelemetryTracerTestSupport { + + @Override + protected CamelContext createCamelContext() throws Exception { + OpenTelemetryTracer tst = new OpenTelemetryTracer(); + tst.setTracer(otelExtension.getOpenTelemetry().getTracer("spanKindTest")); + tst.setContextPropagators(otelExtension.getOpenTelemetry().getPropagators()); + CamelContext context = super.createCamelContext(); + + // Register mock HTTP component for testing + context.addComponent("mock-http", new MockHttpComponent()); + // Register mock Kafka component for testing + context.addComponent("mock-kafka", new MockKafkaComponent()); + + CamelContextAware.trySetCamelContext(tst, context); + tst.init(context); + return context; + } + + @Test + void testDirectComponentHasInternalSpanKind() { + template.sendBody("direct:start", "test"); + + List<OtelTrace> traces = List.copyOf(otelExtension.getTraces().values()); + assertEquals(1, traces.size()); + + List<SpanData> spans = traces.get(0).getSpans(); + + // Find the direct:start EVENT_SENT span + SpanData directSentSpan = getSpan(spans, "direct://start", Op.EVENT_SENT); + assertEquals(SpanKind.INTERNAL, directSentSpan.getKind(), + "direct:start EVENT_SENT should have INTERNAL SpanKind"); + + // Find the direct:start EVENT_RECEIVED span + SpanData directReceivedSpan = getSpan(spans, "direct://start", Op.EVENT_RECEIVED); + assertEquals(SpanKind.INTERNAL, directReceivedSpan.getKind(), + "direct:start EVENT_RECEIVED should have INTERNAL SpanKind"); + } + + @Test + void testHttpComponentHasClientServerSpanKind() throws Exception { + MockEndpoint mockEndpoint = getMockEndpoint("mock:result"); + mockEndpoint.expectedMessageCount(1); + + template.sendBody("direct:httpClient", "test message"); + + mockEndpoint.assertIsSatisfied(); + + List<OtelTrace> traces = List.copyOf(otelExtension.getTraces().values()); + assertEquals(1, traces.size()); + + List<SpanData> spans = traces.get(0).getSpans(); + + // Find the mock-http EVENT_SENT span (client side) + SpanData httpClientSpan = getSpan(spans, "mock-http://testEndpoint";, Op.EVENT_SENT); + assertEquals(SpanKind.CLIENT, httpClientSpan.getKind(), + "HTTP EVENT_SENT should have CLIENT SpanKind"); + } + + @Test + void testKafkaComponentHasProducerSpanKindAndInheritedProperties() throws Exception { + MockEndpoint mockEndpoint = getMockEndpoint("mock:result"); + mockEndpoint.expectedMessageCount(1); + + // Send with Kafka headers that would normally be set before/during sending + template.sendBodyAndHeaders("direct:kafkaProducer", "test message", + Map.of("kafka.KEY", "test-key", + "kafka.PARTITION", 0, + "kafka.OFFSET", "12345")); + + mockEndpoint.assertIsSatisfied(); + + List<OtelTrace> traces = List.copyOf(otelExtension.getTraces().values()); + assertEquals(1, traces.size()); + + List<SpanData> spans = traces.get(0).getSpans(); + + // Find the mock-kafka EVENT_SENT span + SpanData kafkaSpan = getSpan(spans, "mock-kafka://testTopic", Op.EVENT_SENT); + + // Verify OpenTelemetry-specific SpanKind + assertEquals(SpanKind.PRODUCER, kafkaSpan.getKind(), + "Kafka EVENT_SENT should have PRODUCER SpanKind"); + + // Verify inherited properties from camel-telemetry KafkaSpanDecorator + assertEquals("0", kafkaSpan.getAttributes().get(AttributeKey.stringKey("kafka.partition")), + "Should have kafka.partition tag from inherited decorator"); + assertEquals("12345", kafkaSpan.getAttributes().get(AttributeKey.stringKey("kafka.offset")), + "Should have kafka.offset tag from inherited decorator"); + assertEquals("test-key", kafkaSpan.getAttributes().get(AttributeKey.stringKey("kafka.key")), + "Should have kafka.key tag from inherited decorator"); + } + + @Override + protected RoutesBuilder createRouteBuilder() { + return new RouteBuilder() { + @Override + public void configure() { + from("direct:start") + .log("Processing message"); + + // Mock HTTP client route - tests CLIENT SpanKind + from("direct:httpClient") + .to("mock-http://testEndpoint";) + .to("mock:result"); + + // Mock Kafka producer route - tests PRODUCER SpanKind and inherited properties + from("direct:kafkaProducer") + .to("mock-kafka://testTopic") + .to("mock:result"); + } + }; + } + + // ========== Mock HTTP Component Classes ========== + + /** + * Mock HTTP component for testing SpanKind. This component is recognized by HttpSpanDecorator based on its class + * name. + */ + static class MockHttpComponent extends org.apache.camel.support.DefaultComponent { + + @Override + protected org.apache.camel.Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) + throws Exception { + MockHttpEndpoint endpoint = new MockHttpEndpoint(uri, this); + setProperties(endpoint, parameters); + return endpoint; + } + } + + /** + * Mock HTTP endpoint for testing SpanKind. + */ + static class MockHttpEndpoint extends org.apache.camel.support.DefaultEndpoint { Review Comment: done ########## components/camel-telemetry/src/main/java/org/apache/camel/telemetry/decorators/AbstractHttpSpanDecorator.java: ########## @@ -105,4 +106,17 @@ public void afterTracingEvent(Span span, Exchange exchange) { } } } + + @Override + public String getSpanKind(String operationName) { + try { + return switch (Op.valueOf(operationName)) { + case EVENT_RECEIVED -> "SERVER"; + case EVENT_SENT -> "CLIENT"; + default -> "INTERNAL"; + }; + } catch (IllegalArgumentException | NullPointerException e) { Review Comment: done -- This is an automated message from the Apache Git Service. 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