alluxio.master.meta.checkconf.ServerConfigurationCheckerTest.java Source code

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Here is the source code for alluxio.master.meta.checkconf.ServerConfigurationCheckerTest.java

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/*
 * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
 * (the "License"). You may not use this work except in compliance with the License, which is
 * available at www.apache.org/licenses/LICENSE-2.0
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied, as more fully set forth in the License.
 *
 * See the NOTICE file distributed with this work for information regarding copyright ownership.
 */

package alluxio.master.meta.checkconf;

import static org.junit.Assert.assertEquals;

import alluxio.PropertyKey;
import alluxio.wire.Address;
import alluxio.wire.ConfigCheckReport;
import alluxio.wire.ConfigCheckReport.ConfigStatus;
import alluxio.wire.ConfigProperty;
import alluxio.wire.Scope;

import org.apache.commons.lang.RandomStringUtils;
import org.junit.Before;
import org.junit.Test;

import java.util.Arrays;
import java.util.Random;

/**
 * Unit tests for {@link ServerConfigurationChecker}.
 */
public class ServerConfigurationCheckerTest {
    private ServerConfigurationStore mRecordOne;
    private ServerConfigurationStore mRecordTwo;
    private ServerConfigurationChecker mConfigChecker;

    @Before
    public void before() {
        mRecordOne = new ServerConfigurationStore();
        mRecordTwo = new ServerConfigurationStore();
        mConfigChecker = new ServerConfigurationChecker(mRecordOne, mRecordTwo);
    }

    @Test
    public void checkConf() {
        // Prepare data
        PropertyKey keyMasterEnforce = new PropertyKey.Builder("TestKey1")
                .setConsistencyCheckLevel(PropertyKey.ConsistencyCheckLevel.ENFORCE).setScope(Scope.MASTER).build();
        ConfigProperty masterEnforceProp = new ConfigProperty().setName(keyMasterEnforce.getName())
                .setSource("Test").setValue("Value");

        PropertyKey keyWorkerWarn = new PropertyKey.Builder("TestKey2")
                .setConsistencyCheckLevel(PropertyKey.ConsistencyCheckLevel.WARN).setScope(Scope.WORKER).build();
        ConfigProperty workerWarnProp = new ConfigProperty().setName(keyWorkerWarn.getName()).setSource("Test")
                .setValue("Value");

        PropertyKey keyServerEnforce = new PropertyKey.Builder("TestKey3")
                .setConsistencyCheckLevel(PropertyKey.ConsistencyCheckLevel.ENFORCE).setScope(Scope.SERVER).build();
        ConfigProperty serverEnforceProp = new ConfigProperty().setName(keyServerEnforce.getName())
                .setSource("Test").setValue("Value");

        Random random = new Random();
        Address addressOne = new Address(RandomStringUtils.randomAlphanumeric(10), random.nextInt());
        Address addressTwo = new Address(RandomStringUtils.randomAlphanumeric(10), random.nextInt());

        // When records have nothing different, no errors or warns will be found
        mRecordOne.registerNewConf(addressOne, Arrays.asList(masterEnforceProp, workerWarnProp));
        mRecordTwo.registerNewConf(addressTwo, Arrays.asList(masterEnforceProp, workerWarnProp));
        checkResults(0, 0, ConfigStatus.PASSED);

        // When records have a wrong warn property, checker should be able to find config warns
        ConfigProperty wrongWorkerWarnProp = new ConfigProperty().setName(workerWarnProp.getName())
                .setSource(workerWarnProp.getSource()).setValue("WrongValue");
        mRecordOne.registerNewConf(addressOne, Arrays.asList(masterEnforceProp, wrongWorkerWarnProp));
        checkResults(0, 1, ConfigStatus.WARN);

        // When records have a wrong enforce property, checker should be able to find config errors
        ConfigProperty wrongMasterEnforceProp = new ConfigProperty().setName(masterEnforceProp.getName())
                .setSource(masterEnforceProp.getSource()).setValue("WrongValue");
        mRecordTwo.registerNewConf(addressTwo, Arrays.asList(wrongMasterEnforceProp, workerWarnProp));
        checkResults(1, 1, ConfigStatus.FAILED);

        ConfigProperty wrongServerEnforceProp = new ConfigProperty().setName(serverEnforceProp.getName())
                .setSource(serverEnforceProp.getSource()).setValue("WrongValue");
        mRecordOne.registerNewConf(addressOne, Arrays.asList(masterEnforceProp, workerWarnProp, serverEnforceProp));
        mRecordTwo.registerNewConf(addressTwo,
                Arrays.asList(masterEnforceProp, workerWarnProp, wrongServerEnforceProp));
        checkResults(1, 0, ConfigCheckReport.ConfigStatus.FAILED);
    }

    /**
     * Checks if the server-side configuration report is as expected.
     *
     * @param expectedErrorNum the expected error number
     * @param expectedWarnNum the expected warning number
     * @param expectedStatus the expected config check status
     */
    private void checkResults(int expectedErrorNum, int expectedWarnNum, ConfigStatus expectedStatus) {
        mConfigChecker.regenerateReport();
        ConfigCheckReport report = mConfigChecker.getConfigCheckReport();
        assertEquals(expectedErrorNum, report.getConfigErrors().size());
        assertEquals(expectedWarnNum, report.getConfigWarns().size());
        assertEquals(expectedStatus, report.getConfigStatus());
    }
}