SystemTableTest.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 java.io.IOException;

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

import org.apache.cassandra.CleanupHelper;
import org.apache.cassandra.service.StorageService;

public class SystemTableTest extends CleanupHelper
{

    @Test
    public void testOnlyOnceCreationOfStorageMetadata() throws IOException
    {
        SystemTable.StorageMetadata storageMetadata1 = SystemTable.initMetadata();
        SystemTable.StorageMetadata storageMetadata2 = SystemTable.initMetadata();
        Assert.assertTrue("smd should not change after calling initMetadata twice", storageMetadata1 == storageMetadata2);
    }

    @Test
    public void testTokenGetsUpdated() throws IOException
    {
        SystemTable.StorageMetadata storageMetadata1 = SystemTable.initMetadata();
        SystemTable.updateToken(StorageService.getPartitioner().getToken("503545744:0"));
        SystemTable.StorageMetadata storageMetadata2 = SystemTable.initMetadata();
        Assert.assertTrue("smd should still be a singleton after updateToken", storageMetadata1 == storageMetadata2);
    }
}