test/unit/org/apache/cassandra/tools/SSTableLevelResetterTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
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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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 * See the License for the specific language governing permissions and
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package org.apache.cassandra.tools;

import org.junit.Test;

import org.apache.cassandra.tools.ToolRunner.ToolResult;
import org.assertj.core.api.Assertions;
import org.hamcrest.CoreMatchers;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;

public class SSTableLevelResetterTest extends OfflineToolUtils
{
    @Test
    public void testNoArgsPrintsHelp()
    {
        ToolResult tool = ToolRunner.invokeClass(SSTableLevelResetter.class);
        assertThat(tool.getStdout(), CoreMatchers.containsStringIgnoringCase("usage:"));
        Assertions.assertThat(tool.getCleanedStderr()).isEmpty();
        assertEquals(1, tool.getExitCode());
        assertNoUnexpectedThreadsStarted(null, null);
        assertSchemaNotLoaded();
        assertCLSMNotLoaded();
        assertSystemKSNotLoaded();
        assertKeyspaceNotLoaded();
        assertServerNotLoaded();
    }

    @Test
    public void testMaybeChangeDocs()
    {
        // If you added, modified options or help, please update docs if necessary
        ToolResult tool = ToolRunner.invokeClass(SSTableLevelResetter.class, "-h");
        String help = "This command should be run with Cassandra stopped, otherwise you will get very strange behavior\n" + 
                      "Verify that Cassandra is not running and then execute the command like this:\n" + 
                      "Usage: sstablelevelreset --really-reset <keyspace> <table>\n";
        Assertions.assertThat(tool.getStdout()).isEqualTo(help);
    }

    @Test
    public void testWrongArgFailsAndPrintsHelp()
    {
        ToolResult tool = ToolRunner.invokeClass(SSTableLevelResetter.class, "--debugwrong", "system_schema", "tables");
        assertThat(tool.getStdout(), CoreMatchers.containsStringIgnoringCase("usage:"));
        Assertions.assertThat(tool.getCleanedStderr()).isEmpty();
        assertEquals(1, tool.getExitCode());
    }

    @Test
    public void testDefaultCall()
    {
        ToolResult tool = ToolRunner.invokeClass(SSTableLevelResetter.class, "--really-reset", "system_schema", "tables");
        assertThat(tool.getStdout(), CoreMatchers.containsStringIgnoringCase("Found no sstables,"));
        Assertions.assertThat(tool.getCleanedStderr()).isEmpty();
        assertEquals(0, tool.getExitCode());
        assertCorrectEnvPostTest();
    }

    @Test
    public void testMissingSecurityFlagCall()
    {
        ToolResult tool = ToolRunner.invokeClass(SSTableLevelResetter.class, "system_schema", "tables");
        assertThat(tool.getStdout(), CoreMatchers.containsStringIgnoringCase("usage:"));
        Assertions.assertThat(tool.getCleanedStderr()).isEmpty();
        assertEquals(1, tool.getExitCode());
        assertCorrectEnvPostTest();
    }
}