test/unit/org/apache/cassandra/db/RemoveColumnFamilyTest.java

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* to you under the Apache License, Version 2.0 (the
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*    http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cassandra.db;

import org.junit.BeforeClass;
import org.junit.Test;

import static org.junit.Assert.assertNull;
import org.apache.cassandra.db.filter.QueryFilter;

import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.Util;
import org.apache.cassandra.config.KSMetaData;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.locator.SimpleStrategy;
import org.apache.cassandra.utils.ByteBufferUtil;


public class RemoveColumnFamilyTest
{
    private static final String KEYSPACE1 = "RemoveColumnFamilyTest";
    private static final String CF_STANDARD1 = "Standard1";

    @BeforeClass
    public static void defineSchema() throws ConfigurationException
    {
        SchemaLoader.prepareServer();
        SchemaLoader.createKeyspace(KEYSPACE1,
                                    SimpleStrategy.class,
                                    KSMetaData.optsWithRF(1),
                                    SchemaLoader.standardCFMD(KEYSPACE1, CF_STANDARD1));
    }

    @Test
    public void testRemoveColumnFamily()
    {
        Keyspace keyspace = Keyspace.open(KEYSPACE1);
        ColumnFamilyStore store = keyspace.getColumnFamilyStore("Standard1");
        Mutation rm;
        DecoratedKey dk = Util.dk("key1");

        // add data
        rm = new Mutation(KEYSPACE1, dk.getKey());
        rm.add("Standard1", Util.cellname("Column1"), ByteBufferUtil.bytes("asdf"), 0);
        rm.applyUnsafe();

        // remove
        rm = new Mutation(KEYSPACE1, dk.getKey());
        rm.delete("Standard1", 1);
        rm.applyUnsafe();

        ColumnFamily retrieved = store.getColumnFamily(QueryFilter.getIdentityFilter(dk, "Standard1", System.currentTimeMillis()));
        assert retrieved.isMarkedForDelete();
        assertNull(retrieved.getColumn(Util.cellname("Column1")));
        assertNull(Util.cloneAndRemoveDeleted(retrieved, Integer.MAX_VALUE));
    }
}