feat: add otel integration tests

Signed-off-by: chenhuan <xiangyuyu_2024@qq.com>

Author: chenhuansome

.github/workflows/java_unit_tests.yml

@@ -35,3 +35,5 @@ jobs:
         uses: hezhangjian/setup-opengemini-action@main
       - name: unit tests
         run: mvn -B clean test
+      - name: setup ts-trace
+        run: go install github.com/openGemini/observability/trace/cmd/ts-trace@latest && ts-trace &

opengemini-client/src/test/java/io/opengemini/client/interceptor/TracingIntegrationTest.java

@@ -0,0 +1,192 @@
+/*
+ * Copyright 2025 openGemini Authors
+ *
+ * Licensed 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 io.opengemini.client.interceptor;
+
+import io.github.openfacade.http.HttpClientConfig;
+import io.opengemini.client.api.Address;
+import io.opengemini.client.api.Configuration;
+import io.opengemini.client.api.Query;
+import io.opengemini.client.api.QueryResult;
+import io.opengemini.client.api.Write;
+import io.opengemini.client.impl.OpenGeminiClient;
+import io.opentelemetry.api.OpenTelemetry;
+import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.api.trace.Tracer;
+import io.opentelemetry.exporter.jaeger.JaegerGrpcSpanExporter;
+import io.opentelemetry.sdk.OpenTelemetrySdk;
+import io.opentelemetry.sdk.resources.Resource;
+import io.opentelemetry.sdk.trace.SdkTracerProvider;
+import io.opentelemetry.sdk.trace.export.BatchSpanProcessor;
+import io.opentelemetry.semconv.resource.attributes.ResourceAttributes;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.time.Duration;
+import java.util.Collections;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Example demonstrating OpenGemini client usage with interceptors.
+ */
+
+public class TracingIntegrationTest {
+
+    private OpenGeminiClient openGeminiClient;
+
+    @BeforeEach
+    void setUp() {
+        HttpClientConfig httpConfig = new HttpClientConfig.Builder()
+                .connectTimeout(Duration.ofSeconds(3))
+                .timeout(Duration.ofSeconds(3))
+                .build();
+        Configuration configuration = Configuration.builder()
+                .addresses(Collections.singletonList(new Address("127.0.0.1", 8086)))
+                .httpConfig(httpConfig)
+                .gzipEnabled(false)
+                .build();
+        this.openGeminiClient = new OpenGeminiClient(configuration);
+
+        OtelInterceptor otelInterceptor = new OtelInterceptor();
+
+        otelInterceptor.setTracer(getTestTracer());
+        openGeminiClient.addInterceptors(otelInterceptor);
+    }
+
+    @AfterEach
+    void setDown() throws InterruptedException {
+        // for the last reporting record, otherwise the test case will not be detected
+        Thread.sleep(500);
+    }
+
+    private Tracer getTestTracer() {
+        OpenTelemetry openTelemetry;
+        try {
+            JaegerGrpcSpanExporter jaegerExporter = JaegerGrpcSpanExporter.builder()
+                    .setEndpoint("http://localhost:14250")
+                    .build();
+
+            BatchSpanProcessor spanProcessor = BatchSpanProcessor.builder(jaegerExporter)
+                    .setScheduleDelay(100, java.util.concurrent.TimeUnit.MILLISECONDS)
+                    .build();
+
+            SdkTracerProvider tracerProvider = SdkTracerProvider.builder()
+                    .addSpanProcessor(spanProcessor)
+                    .setResource(Resource.create(
+                            Attributes.of(ResourceAttributes.SERVICE_NAME, "opengemini-client-java")
+                    ))
+                    .build();
+
+            openTelemetry = OpenTelemetrySdk.builder()
+                    .setTracerProvider(tracerProvider)
+                    .build();
+
+            return openTelemetry.getTracer("opengemini-client-java");
+        } catch (Exception e) {
+            // Fallback to no-op implementation
+            openTelemetry = OpenTelemetry.noop();
+            return openTelemetry.getTracer("opengemini-client-java");
+        }
+
+    }
+
+    @Test
+    void testDatabaseCreation() {
+        Assertions.assertDoesNotThrow(() -> {
+            Query createDbQuery = new Query("CREATE DATABASE test_db");
+            openGeminiClient.query(createDbQuery).get(10, TimeUnit.SECONDS);
+        }, "Database creation should not throw an exception");
+    }
+
+    @Test
+    void testQueryOperation() {
+        Configuration config = new Configuration();
+        config.setAddresses(java.util.Collections.singletonList(new Address("localhost", 8086)));
+        if (config.getHttpConfig() == null) {
+            config.setHttpConfig(new HttpClientConfig.Builder().build());
+        }
+
+        Assertions.assertDoesNotThrow(() -> {
+            Query createDbQuery = new Query("CREATE DATABASE test_db");
+            openGeminiClient.query(createDbQuery).get(10, TimeUnit.SECONDS);
+
+            Query showDbQuery = new Query("SHOW DATABASES");
+            QueryResult result = openGeminiClient.query(showDbQuery).get(10, TimeUnit.SECONDS);
+            Assertions.assertNotNull(result, "Query result should not be null");
+        }, "Query operation should not throw an exception");
+    }
+
+    @Test
+    void testWriteOperation() throws InterruptedException {
+        Configuration config = new Configuration();
+        config.setAddresses(java.util.Collections.singletonList(
+                new Address("localhost", 8086)));
+
+        if (config.getHttpConfig() == null) {
+            config.setHttpConfig(new HttpClientConfig.Builder().build());
+        }
+
+        Assertions.assertDoesNotThrow(() -> {
+            Query createDbQuery = new Query("CREATE DATABASE test_db");
+            openGeminiClient.query(createDbQuery).get(10, TimeUnit.SECONDS);
+
+            Write write = new Write(
+                    "test_db",
+                    "autogen",
+                    "temperature,location=room1 value=25.5 " + System.currentTimeMillis(),
+                    "ns"
+            );
+
+            openGeminiClient.executeWrite(
+                    write.getDatabase(),
+                    write.getRetentionPolicy(),
+                    write.getLineProtocol()
+            ).get(10, TimeUnit.SECONDS);
+
+        }, "Write operation should not throw an exception");
+    }
+
+    @Test
+    void testTracingIntegration() throws ExecutionException, InterruptedException {
+        String databaseTestName = "tracing_test_db";
+        CompletableFuture<Void> createdb = openGeminiClient.createDatabase(databaseTestName);
+        createdb.get();
+
+        Assertions.assertDoesNotThrow(() -> {
+
+            Write write = new Write(
+                    "tracing_test_db",
+                    "autogen",
+                    "tracing_measurement,tag=test value=8 " + System.currentTimeMillis(),
+                    "ns"
+            );
+
+            openGeminiClient.executeWrite(
+                    write.getDatabase(),
+                    write.getRetentionPolicy(),
+                    write.getLineProtocol()
+            ).get(10, TimeUnit.SECONDS);
+
+            Query query = new Query("SELECT * FROM tracing_measurement");
+            openGeminiClient.query(query).get(10, TimeUnit.SECONDS);
+
+        }, "Tracing integration should not throw an exception");
+    }
+}