IGNITE-13868

modules/clients/src/test/java/org/apache/ignite/common/ClientSideCacheCreationDestructionWileTopologyChangeTest.java

@@ -0,0 +1,70 @@
+/*
+ * 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.ignite.common;
+
+import java.util.UUID;
+import java.util.concurrent.atomic.AtomicBoolean;
+import org.apache.ignite.internal.IgniteInternalFuture;
+import org.apache.ignite.testframework.GridTestUtils;
+
+/**
+ * {@inheritDoc} With topology events in parallel
+ */
+public class ClientSideCacheCreationDestructionWileTopologyChangeTest extends ClientSizeCacheCreationDestructionTest {
+    /** **/
+    private static final int MAX_NODES_CNT = 10;
+
+    /** **/
+    IgniteInternalFuture topChangeProcFut;
+
+    /** **/
+    AtomicBoolean procTopChanges = new AtomicBoolean(true);
+
+    /** {@inheritDoc} */
+    @Override protected void beforeTest() throws Exception {
+        super.beforeTest();
+
+        topChangeProcFut = asyncTopologyChanges();
+    }
+
+    /** {@inheritDoc} */
+    @Override protected void afterTest() throws Exception {
+        procTopChanges.set(false);
+
+        topChangeProcFut.get();
+
+        super.afterTest();
+    }
+
+    /**
+     * @return {@code IgniteInternalFuture} to wait for topology process to stop in {@code afterTest()}.
+     */
+    private IgniteInternalFuture asyncTopologyChanges() {
+        return GridTestUtils.runAsync(() -> {
+            while (procTopChanges.get()) {
+                try {
+                    if (srv.cluster().nodes().size() < MAX_NODES_CNT)
+                        startGrid(UUID.randomUUID().toString());
+                }
+                catch (Exception e) {
+                    fail("Unable to add or remove node: " + e);
+                }
+            }
+        });
+    }
+}