cassandra-trunk/test/unit/org/apache/cassandra/tools/nodetool/SetDefaultKeyspaceRFTest.java
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 * 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,
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package org.apache.cassandra.tools.nodetool;

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

import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.cql3.CQLTester;
import org.apache.cassandra.tools.ToolRunner;

import static org.assertj.core.api.Assertions.assertThat;

public class SetDefaultKeyspaceRFTest extends CQLTester
{
    @BeforeClass
    public static void setup() throws Exception
    {
        requireNetwork();
        startJMXServer();
    }

    @Test
    @SuppressWarnings("SingleCharacterStringConcatenation")
    public void testMaybeChangeDocs()
    {
        // If you added, modified options or help, please update docs if necessary
        ToolRunner.ToolResult tool = ToolRunner.invokeNodetool("help", "setdefaultrf");
        tool.assertOnCleanExit();

        String help =   "NAME\n" +
                        "        nodetool setdefaultrf - Sets default keyspace replication factor.\n" +
                        "\n" +
                        "SYNOPSIS\n" +
                        "        nodetool [(-h <host> | --host <host>)] [(-p <port> | --port <port>)]\n" +
                        "                [(-pp | --print-port)] [(-pw <password> | --password <password>)]\n" +
                        "                [(-pwf <passwordFilePath> | --password-file <passwordFilePath>)]\n" +
                        "                [(-u <username> | --username <username>)] setdefaultrf [--] <value>\n" +
                        "\n" +
                        "OPTIONS\n" +
                        "        -h <host>, --host <host>\n" +
                        "            Node hostname or ip address\n" +
                        "\n" +
                        "        -p <port>, --port <port>\n" +
                        "            Remote jmx agent port number\n" +
                        "\n" +
                        "        -pp, --print-port\n" +
                        "            Operate in 4.0 mode with hosts disambiguated by port number\n" +
                        "\n" +
                        "        -pw <password>, --password <password>\n" +
                        "            Remote jmx agent password\n" +
                        "\n" +
                        "        -pwf <passwordFilePath>, --password-file <passwordFilePath>\n" +
                        "            Path to the JMX password file\n" +
                        "\n" +
                        "        -u <username>, --username <username>\n" +
                        "            Remote jmx agent username\n" +
                        "\n" +
                        "        --\n" +
                        "            This option can be used to separate command-line options from the\n" +
                        "            list of argument, (useful when arguments might be mistaken for\n" +
                        "            command-line options\n" +
                        "\n" +
                        "        <value>\n" +
                        "            Default replication factor\n" +
                        "\n" +
                        "\n";
        assertThat(tool.getStdout()).isEqualTo(help);
    }

    @Test
    public void testSetDefaultRF()
    {
        ToolRunner.ToolResult tool = ToolRunner.invokeNodetool("setdefaultrf", "2");
        tool.assertOnCleanExit();
        assertThat(DatabaseDescriptor.getDefaultKeyspaceRF()).isEqualTo(2);
    }
}
