| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * 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, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.twitter.distributedlog; |
| |
| import com.google.common.base.Optional; |
| |
| import com.twitter.distributedlog.net.DNSResolverForRacks; |
| import com.twitter.distributedlog.net.DNSResolverForRows; |
| import org.apache.bookkeeper.net.DNSToSwitchMapping; |
| import org.apache.commons.configuration.StrictConfigurationComparator; |
| import org.junit.Test; |
| |
| import java.util.List; |
| |
| import static org.junit.Assert.*; |
| |
| public class TestDistributedLogConfiguration { |
| |
| static final class TestDNSResolver implements DNSToSwitchMapping { |
| |
| public TestDNSResolver() {} |
| |
| @Override |
| public List<String> resolve(List<String> list) { |
| return list; |
| } |
| |
| @Override |
| public void reloadCachedMappings() { |
| // no-op |
| } |
| } |
| |
| @Test(timeout = 20000) |
| public void loadStreamConfGoodOverrideAccepted() throws Exception { |
| DistributedLogConfiguration conf = new DistributedLogConfiguration(); |
| assertEquals(conf.getPeriodicFlushFrequencyMilliSeconds(), |
| DistributedLogConfiguration.BKDL_PERIODIC_FLUSH_FREQUENCY_MILLISECONDS_DEFAULT); |
| assertEquals(conf.getReaderIdleErrorThresholdMillis(), |
| DistributedLogConfiguration.BKDL_READER_IDLE_ERROR_THRESHOLD_MILLIS_DEFAULT); |
| DistributedLogConfiguration override = new DistributedLogConfiguration(); |
| override.setPeriodicFlushFrequencyMilliSeconds( |
| DistributedLogConfiguration.BKDL_PERIODIC_FLUSH_FREQUENCY_MILLISECONDS_DEFAULT+1); |
| override.setReaderIdleErrorThresholdMillis( |
| DistributedLogConfiguration.BKDL_READER_IDLE_ERROR_THRESHOLD_MILLIS_DEFAULT - 1); |
| conf.loadStreamConf(Optional.of(override)); |
| assertEquals(conf.getPeriodicFlushFrequencyMilliSeconds(), |
| DistributedLogConfiguration.BKDL_PERIODIC_FLUSH_FREQUENCY_MILLISECONDS_DEFAULT+1); |
| assertEquals(conf.getReaderIdleErrorThresholdMillis(), |
| DistributedLogConfiguration.BKDL_READER_IDLE_ERROR_THRESHOLD_MILLIS_DEFAULT - 1); |
| } |
| |
| @SuppressWarnings("deprecation") |
| @Test(timeout = 20000) |
| public void loadStreamConfBadOverrideIgnored() throws Exception { |
| DistributedLogConfiguration conf = new DistributedLogConfiguration(); |
| assertEquals(conf.getBKClientWriteTimeout(), |
| DistributedLogConfiguration.BKDL_BKCLIENT_WRITE_TIMEOUT_DEFAULT); |
| DistributedLogConfiguration override = new DistributedLogConfiguration(); |
| override.setBKClientWriteTimeout( |
| DistributedLogConfiguration.BKDL_BKCLIENT_WRITE_TIMEOUT_DEFAULT+1); |
| conf.loadStreamConf(Optional.of(override)); |
| assertEquals(conf.getBKClientWriteTimeout(), |
| DistributedLogConfiguration.BKDL_BKCLIENT_WRITE_TIMEOUT_DEFAULT); |
| } |
| |
| @Test(timeout = 20000) |
| public void loadStreamConfNullOverrides() throws Exception { |
| DistributedLogConfiguration conf = new DistributedLogConfiguration(); |
| DistributedLogConfiguration confClone = (DistributedLogConfiguration)conf.clone(); |
| Optional<DistributedLogConfiguration> streamConfiguration = Optional.absent(); |
| conf.loadStreamConf(streamConfiguration); |
| |
| StrictConfigurationComparator comp = new StrictConfigurationComparator(); |
| assertTrue(comp.compare(conf, confClone)); |
| } |
| |
| @Test(timeout = 200000) |
| public void getEnsemblePlacementResolverClass() throws Exception { |
| DistributedLogConfiguration conf1 = new DistributedLogConfiguration(); |
| assertEquals(DNSResolverForRacks.class, conf1.getEnsemblePlacementDnsResolverClass()); |
| DistributedLogConfiguration conf2 = new DistributedLogConfiguration() |
| .setRowAwareEnsemblePlacementEnabled(true); |
| assertEquals(DNSResolverForRows.class, conf2.getEnsemblePlacementDnsResolverClass()); |
| DistributedLogConfiguration conf3 = new DistributedLogConfiguration() |
| .setRowAwareEnsemblePlacementEnabled(true) |
| .setEnsemblePlacementDnsResolverClass(TestDNSResolver.class); |
| assertEquals(TestDNSResolver.class, conf3.getEnsemblePlacementDnsResolverClass()); |
| } |
| |
| @Test(timeout = 200000) |
| public void validateConfiguration(){ |
| boolean exceptionThrown=false; |
| DistributedLogConfiguration conf = new DistributedLogConfiguration(); |
| // validate default configuration |
| conf.validate(); |
| // test equal, should not throw exception |
| conf.setReadLACLongPollTimeout(conf.getBKClientReadTimeout() * 1000); |
| try { |
| conf.validate(); |
| } catch (IllegalArgumentException e){ |
| exceptionThrown=true; |
| } |
| assertFalse(exceptionThrown); |
| // test invalid case, should throw exception |
| exceptionThrown=false; |
| conf.setReadLACLongPollTimeout(conf.getBKClientReadTimeout() * 1000 * 2); |
| try { |
| conf.validate(); |
| } catch (IllegalArgumentException e){ |
| exceptionThrown=true; |
| } |
| assertTrue(exceptionThrown); |
| } |
| |
| |
| } |