Add repro test

temporal-sdk/src/test/java/io/temporal/worker/LocalActivityWorkerNotStartedTest.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2022 Temporal Technologies, Inc. All Rights Reserved.
+ *
+ * Copyright (C) 2012-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Modifications copyright (C) 2017 Uber Technologies, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this material 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.temporal.worker;
+
+import io.temporal.testing.internal.SDKTestWorkflowRule;
+import io.temporal.workflow.Workflow;
+import io.temporal.workflow.WorkflowInterface;
+import io.temporal.workflow.WorkflowMethod;
+import java.util.Set;
+import org.junit.Rule;
+import org.junit.Test;
+
+public class LocalActivityWorkerNotStartedTest {
+
+  @Rule
+  public SDKTestWorkflowRule testWorkflowRule =
+      SDKTestWorkflowRule.newBuilder()
+          .setWorkflowTypes(NothingWorkflowImpl.class)
+          .setWorkerOptions(WorkerOptions.newBuilder().setLocalActivityWorkerOnly(true).build())
+          // Don't start the worker
+          .setDoNotStart(true)
+          .build();
+
+  @Test
+  public void canShutDownProperlyWhenNotStarted() {
+    // Shut down the (never started) worker
+    testWorkflowRule.getTestEnvironment().getWorkerFactory().shutdown();
+    testWorkflowRule.getWorker().awaitTermination(1, java.util.concurrent.TimeUnit.SECONDS);
+    Set<Thread> threadSet = Thread.getAllStackTraces().keySet();
+    for (Thread thread : threadSet) {
+      if (thread.getName().contains("LocalActivitySlotSupplierQueue")) {
+        throw new RuntimeException("Thread should be terminated");
+      }
+    }
+  }
+
+  @WorkflowInterface
+  public interface NothingWorkflow {
+    @WorkflowMethod
+    void execute();
+  }
+
+  public static class NothingWorkflowImpl implements NothingWorkflow {
+    @Override
+    public void execute() {
+      Workflow.sleep(500);
+    }
+  }
+}