test/distributed/org/apache/cassandra/distributed/test/AlterTest.java

/*
 * 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.test;

import org.junit.Assert;
import org.junit.Test;

import org.apache.cassandra.db.Keyspace;
import org.apache.cassandra.distributed.api.ICluster;
import org.apache.cassandra.distributed.api.IInvokableInstance;
import org.apache.cassandra.distributed.api.IIsolatedExecutor;

public class AlterTest extends TestBaseImpl
{
    @Test
    public void getAndSetCompressionParametersTest() throws Throwable
    {
        try (ICluster<IInvokableInstance> cluster = init(builder().withNodes(2)
                                                                  .start()))
        {
            cluster.schemaChange("CREATE TABLE " + KEYSPACE + ".tbl (pk int, ck int, v int, PRIMARY KEY (pk, ck));");
            cluster.stream().forEach((i) -> {
                i.acceptsOnInstance((IIsolatedExecutor.SerializableConsumer<String>) (ks) -> {
                    Keyspace.open(ks)
                            .getColumnFamilyStore("tbl")
                            .setCompressionParametersJson("{\"chunk_length_in_kb\": \"128\"," +
                                                          " \"class\": \"org.apache.cassandra.io.compress.LZ4Compressor\"}");
                    Assert.assertTrue(Keyspace.open(ks)
                                              .getColumnFamilyStore("tbl")
                                              .getCompressionParametersJson().contains("128"));
                }).accept(KEYSPACE);
            });
            cluster.schemaChange("ALTER TABLE " + KEYSPACE + ".tbl ADD v2 int");

            cluster.stream().forEach((i) -> {
                i.acceptsOnInstance((IIsolatedExecutor.SerializableConsumer<String>) (ks) -> {
                    Assert.assertFalse(Keyspace.open(ks)
                                               .getColumnFamilyStore("tbl")
                                               .getCompressionParametersJson().contains("128"));
                }).accept(KEYSPACE);
            });
        }
    }
}