convert groovy smoke tests to java, part 1

smoke-tests/build.gradle.kts

@@ -37,8 +37,9 @@ dependencies {
   testImplementation("com.github.docker-java:docker-java-core:$dockerJavaVersion")
   testImplementation("com.github.docker-java:docker-java-transport-httpclient5:$dockerJavaVersion")
 
-  // make IntelliJ see shaded Armeria
+  // make IntelliJ see shaded Armeria and protobuf
   testCompileOnly(project(":testing:armeria-shaded-for-testing", configuration = "shadow"))
+  testCompileOnly(project(":testing:proto-shaded-for-testing", configuration = "shadow"))
 }
 
 tasks {

smoke-tests/src/test/java/io/opentelemetry/smoketest/AgentDebugLoggingTest.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.smoketest;
+
+import java.time.Duration;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.DisabledIf;
+
+@DisabledIf("io.opentelemetry.smoketest.TestContainerManager#useWindowsContainers")
+class AgentDebugLoggingTest extends JavaSmokeTest {
+  @Override
+  protected String getTargetImage(String jdk) {
+    return "ghcr.io/open-telemetry/opentelemetry-java-instrumentation/smoke-test-spring-boot:jdk"
+        + jdk
+        + "-20250915.17728045097";
+  }
+
+  @Override
+  protected TargetWaitStrategy getWaitStrategy() {
+    return new TargetWaitStrategy.Log(
+        Duration.ofMinutes(1), ".*DEBUG io.opentelemetry.javaagent.tooling.VersionLogger.*");
+  }
+
+  @DisplayName("verifies that debug logging is working by checking for a debug log on startup")
+  @Test
+  void verifyLogging() throws Exception {
+    withTarget(8, () -> {});
+  }
+}

smoke-tests/src/test/java/io/opentelemetry/smoketest/JavaSmokeTest.java

@@ -0,0 +1,135 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.smoketest;
+
+import static java.util.Collections.emptyList;
+import static java.util.Collections.emptyMap;
+
+import io.opentelemetry.sdk.logs.data.LogRecordData;
+import io.opentelemetry.sdk.metrics.data.MetricData;
+import io.opentelemetry.sdk.trace.data.SpanData;
+import io.opentelemetry.smoketest.windows.WindowsTestContainerManager;
+import io.opentelemetry.testing.internal.armeria.client.WebClient;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Consumer;
+import org.junit.jupiter.api.BeforeEach;
+import org.testcontainers.containers.output.OutputFrame;
+
+public abstract class JavaSmokeTest {
+  protected static final TestContainerManager containerManager = createContainerManager();
+  private JavaTelemetryRetriever telemetryRetriever;
+
+  protected String agentPath =
+      System.getProperty("io.opentelemetry.smoketest.agent.shadowJar.path");
+
+  protected WebClient client() {
+    return WebClient.of("h1c://localhost:" + containerManager.getTargetMappedPort(8080));
+  }
+
+  /** Subclasses can override this method to pass jvm arguments in another environment variable */
+  protected String getJvmArgsEnvVarName() {
+    return "JAVA_TOOL_OPTIONS";
+  }
+
+  /** Subclasses can override this method to customise target application's environment */
+  protected Map<String, String> getExtraEnv() {
+    return emptyMap();
+  }
+
+  /** Subclasses can override this method to disable setting default service name */
+  protected boolean getSetServiceName() {
+    return true;
+  }
+
+  /** Subclasses can override this method to provide additional files to copy to target container */
+  protected List<ResourceMapping> getExtraResources() {
+    return emptyList();
+  }
+
+  /**
+   * Subclasses can override this method to provide additional ports that should be exposed from the
+   * target container
+   */
+  protected List<Integer> getExtraPorts() {
+    return emptyList();
+  }
+
+  @BeforeEach
+  void setUp() {
+    containerManager.startEnvironmentOnce();
+    telemetryRetriever = new JavaTelemetryRetriever(containerManager.getBackendMappedPort());
+  }
+
+  public void withTarget(int jdk, TargetRunner runner) throws Exception {
+    startTarget(jdk);
+    try {
+      runner.runInTarget();
+    } finally {
+      stopTarget();
+    }
+  }
+
+  public Consumer<OutputFrame> startTarget(int jdk) {
+    return startTarget(String.valueOf(jdk), null, false);
+  }
+
+  public Consumer<OutputFrame> startTarget(String jdk, String serverVersion, boolean windows) {
+    String targetImage = getTargetImage(jdk, serverVersion, windows);
+    return containerManager.startTarget(
+        targetImage,
+        agentPath,
+        getJvmArgsEnvVarName(),
+        getExtraEnv(),
+        getSetServiceName(),
+        getExtraResources(),
+        getExtraPorts(),
+        getWaitStrategy(),
+        getCommand());
+  }
+
+  protected abstract String getTargetImage(String jdk);
+
+  protected String getTargetImage(String jdk, String serverVersion, boolean windows) {
+    return getTargetImage(jdk);
+  }
+
+  protected TargetWaitStrategy getWaitStrategy() {
+    return null;
+  }
+
+  protected String[] getCommand() {
+    return null;
+  }
+
+  public void cleanup() {
+    telemetryRetriever.clearTelemetry();
+  }
+
+  public void stopTarget() {
+    containerManager.stopTarget();
+    cleanup();
+  }
+
+  protected List<SpanData> waitForTraces() {
+    return telemetryRetriever.waitForTraces();
+  }
+
+  protected Collection<MetricData> waitForMetrics() {
+    return telemetryRetriever.waitForMetrics();
+  }
+
+  protected Collection<LogRecordData> waitForLogs() {
+    return telemetryRetriever.waitForLogs();
+  }
+
+  private static TestContainerManager createContainerManager() {
+    return TestContainerManager.useWindowsContainers()
+        ? new WindowsTestContainerManager()
+        : new LinuxTestContainerManager();
+  }
+}