cassandra-trunk/test/unit/org/apache/cassandra/config/StartupCheckOptionsTest.java
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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 *     http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cassandra.config;

import java.util.EnumMap;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import org.junit.Test;

import org.apache.cassandra.service.DataResurrectionCheck;
import org.apache.cassandra.service.StartupChecks.StartupCheckType;
import org.apache.cassandra.utils.Pair;

import static org.apache.cassandra.config.StartupChecksOptions.ENABLED_PROPERTY;
import static org.apache.cassandra.service.StartupChecks.StartupCheckType.check_filesystem_ownership;
import static org.apache.cassandra.service.StartupChecks.StartupCheckType.non_configurable_check;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

public class StartupCheckOptionsTest
{
    @Test
    public void testStartupOptionsConfigApplication()
    {
        Map<StartupCheckType, Map<String, Object>> config = new EnumMap<StartupCheckType, Map<String, Object>>(StartupCheckType.class) {{
            put(check_filesystem_ownership, new HashMap<String, Object>() {{
                put(ENABLED_PROPERTY, true);
                put("key", "value");
            }});
        }};

        StartupChecksOptions options = new StartupChecksOptions(config);

        assertTrue(Boolean.parseBoolean(options.getConfig(check_filesystem_ownership)
                                               .get(ENABLED_PROPERTY)
                                               .toString()));

        assertEquals("value", options.getConfig(check_filesystem_ownership).get("key"));
        options.set(check_filesystem_ownership, "key", "value2");
        assertEquals("value2", options.getConfig(check_filesystem_ownership).get("key"));

        assertTrue(options.isEnabled(check_filesystem_ownership));
        options.disable(check_filesystem_ownership);
        assertFalse(options.isEnabled(check_filesystem_ownership));
        assertTrue(options.isDisabled(check_filesystem_ownership));
    }

    @Test
    public void testNoOptions()
    {
        StartupChecksOptions options = new StartupChecksOptions();

        assertTrue(options.isEnabled(non_configurable_check));

        // disabling does not to anything on non-configurable check
        options.disable(non_configurable_check);
        assertTrue(options.isEnabled(non_configurable_check));

        options.set(non_configurable_check, "key", "value");

        // we can not put anything into non-configurable check
        assertFalse(options.getConfig(non_configurable_check).containsKey("key"));
    }

    @Test
    public void testEmptyDisabledValues()
    {
        Map<StartupCheckType, Map<String, Object>> emptyConfig = new EnumMap<StartupCheckType, Map<String, Object>>(StartupCheckType.class) {{
            put(check_filesystem_ownership, new HashMap<>());
        }};

        Map<StartupCheckType, Map<String, Object>> emptyEnabledConfig = new EnumMap<StartupCheckType, Map<String, Object>>(StartupCheckType.class) {{
            put(check_filesystem_ownership, new HashMap<String, Object>() {{
                put(ENABLED_PROPERTY, null);
            }});
        }};

        // empty enabled property or enabled property with null value are still counted as enabled

        StartupChecksOptions options1 = new StartupChecksOptions(emptyConfig);
        assertTrue(options1.isDisabled(check_filesystem_ownership));

        StartupChecksOptions options2 = new StartupChecksOptions(emptyEnabledConfig);
        assertTrue(options2.isDisabled(check_filesystem_ownership));
    }

    @Test
    public void testChecksDisabledByDefaultAreNotEnabled()
    {
        Map<StartupCheckType, Map<String, Object>> emptyConfig = new EnumMap<>(StartupCheckType.class);
        StartupChecksOptions options = new StartupChecksOptions(emptyConfig);
        assertTrue(options.isDisabled(check_filesystem_ownership));
    }

    @Test
    public void testExcludedKeyspacesInDataResurrectionCheckOptions()
    {
        Map<String, Object> config = new HashMap<String, Object>(){{
            put("excluded_keyspaces", "ks1,ks2,ks3");
        }};
        DataResurrectionCheck check = new DataResurrectionCheck();
        check.getExcludedKeyspaces(config);

        Set<String> excludedKeyspaces = check.getExcludedKeyspaces(config);
        assertEquals(3, excludedKeyspaces.size());
        assertTrue(excludedKeyspaces.contains("ks1"));
        assertTrue(excludedKeyspaces.contains("ks2"));
        assertTrue(excludedKeyspaces.contains("ks3"));
    }

    @Test
    public void testExcludedTablesInDataResurrectionCheckOptions()
    {
        for (String input : new String[]{
        "ks1.tb1,ks1.tb2,ks3.tb3",
        " ks1 . tb1,  ks1 .tb2  ,ks3 .tb3  "
        })
        {
            Map<String, Object> config = new HashMap<String, Object>(){{
                put("excluded_tables", input);
            }};

            DataResurrectionCheck check = new DataResurrectionCheck();
            Set<Pair<String, String>> excludedTables = check.getExcludedTables(config);
            assertEquals(3, excludedTables.size());
            assertTrue(excludedTables.contains(Pair.create("ks1", "tb1")));
            assertTrue(excludedTables.contains(Pair.create("ks1", "tb2")));
            assertTrue(excludedTables.contains(Pair.create("ks3", "tb3")));
        }
    }
}
