[GitHub] [cassandra] adelapena commented on a change in pull request #873: CASSANDRA-16244 Create a jvm upgrade dtest for mixed versions repairs

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adelapena commented on a change in pull request #873:
URL: https://github.com/apache/cassandra/pull/873#discussion_r564682475



##########
File path: test/distributed/org/apache/cassandra/distributed/upgrade/MixedModeRepairTest.java
##########
@@ -0,0 +1,113 @@
+/*
+ * 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.cassandra.distributed.upgrade;
+
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import org.apache.cassandra.distributed.UpgradeableCluster;
+import org.apache.cassandra.distributed.api.IUpgradeableInstance;
+
+import static org.apache.cassandra.distributed.api.Feature.GOSSIP;
+import static org.apache.cassandra.distributed.api.Feature.NETWORK;
+import static org.apache.cassandra.distributed.shared.AssertUtils.assertEquals;
+import static org.apache.cassandra.distributed.shared.AssertUtils.assertNotEquals;
+import static org.apache.cassandra.distributed.shared.AssertUtils.assertRows;
+import static org.apache.cassandra.distributed.shared.AssertUtils.row;
+import static org.apache.cassandra.distributed.shared.ClusterUtils.awaitRingJoin;
+import static org.apache.cassandra.distributed.shared.Versions.Major;
+
+/**
+ * Tests that repair only works on mixed mode clusters if there isn't a major upgrade. Otherwise, repair attempts will
+ * be rejected with an informative message.
+ */
+public class MixedModeRepairTest extends UpgradeTestBase
+{
+    public static final String CREATE_TABLE = withKeyspace("CREATE TABLE %s.t (k uuid, c int, v int, PRIMARY KEY (k, c))");
+    public static final String INSERT = withKeyspace("INSERT INTO %s.t (k, c, v) VALUES (?, ?, ?)");
+    public static final String SELECT = withKeyspace("SELECT * FROM %s.t WHERE k=?");
+
+    @Test
+    public void testMixedModeRepair() throws Throwable
+    {
+        new UpgradeTestBase.TestCase()
+        .nodes(2)
+        .nodesToUpgrade(2)
+        .upgrade(Major.v30, Major.v4)
+        .upgrade(Major.v3X, Major.v4)
+        .withConfig(config -> config.with(NETWORK, GOSSIP))
+        .setup(cluster -> cluster.schemaChange(withKeyspace(CREATE_TABLE)))

Review comment:
       Good catches, fixed as suggested.




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