| /** |
| * 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.service.config; |
| |
| import static com.twitter.distributedlog.DistributedLogConfiguration.BKDL_RETENTION_PERIOD_IN_HOURS; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.google.common.base.Optional; |
| import com.google.common.util.concurrent.ThreadFactoryBuilder; |
| import com.twitter.distributedlog.config.DynamicDistributedLogConfiguration; |
| import com.twitter.distributedlog.config.PropertiesWriter; |
| import com.twitter.distributedlog.service.streamset.IdentityStreamPartitionConverter; |
| import com.twitter.distributedlog.service.streamset.StreamPartitionConverter; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| import org.junit.Test; |
| |
| /** |
| * Test Case for {@link StreamConfigProvider}. |
| */ |
| public class TestStreamConfigProvider { |
| private static final String DEFAULT_CONFIG_DIR = "conf"; |
| private final String defaultConfigPath; |
| private final ScheduledExecutorService configExecutorService; |
| |
| public TestStreamConfigProvider() throws Exception { |
| this.configExecutorService = Executors.newScheduledThreadPool(1, |
| new ThreadFactoryBuilder().setNameFormat("DistributedLogService-Dyncfg-%d").build()); |
| PropertiesWriter writer = new PropertiesWriter(); |
| writer.save(); |
| this.defaultConfigPath = writer.getFile().getPath(); |
| } |
| |
| StreamConfigProvider getServiceProvider(StreamPartitionConverter converter) |
| throws Exception { |
| return getServiceProvider(converter, DEFAULT_CONFIG_DIR); |
| } |
| |
| StreamConfigProvider getServiceProvider( |
| StreamPartitionConverter converter, |
| String configPath, |
| String defaultPath) throws Exception { |
| return new ServiceStreamConfigProvider( |
| configPath, |
| defaultPath, |
| converter, |
| configExecutorService, |
| 1, |
| TimeUnit.SECONDS); |
| } |
| |
| StreamConfigProvider getServiceProvider( |
| StreamPartitionConverter converter, |
| String configPath) throws Exception { |
| return getServiceProvider(converter, configPath, defaultConfigPath); |
| } |
| |
| StreamConfigProvider getDefaultProvider(String configFile) throws Exception { |
| return new DefaultStreamConfigProvider(configFile, configExecutorService, 1, TimeUnit.SECONDS); |
| } |
| |
| StreamConfigProvider getNullProvider() throws Exception { |
| return new NullStreamConfigProvider(); |
| } |
| |
| @Test(timeout = 60000) |
| public void testServiceProviderWithConfigRouters() throws Exception { |
| getServiceProvider(new IdentityStreamPartitionConverter()); |
| } |
| |
| @Test(timeout = 60000) |
| public void testServiceProviderWithMissingConfig() throws Exception { |
| StreamConfigProvider provider = getServiceProvider(new IdentityStreamPartitionConverter()); |
| Optional<DynamicDistributedLogConfiguration> config = provider.getDynamicStreamConfig("stream1"); |
| assertTrue(config.isPresent()); |
| } |
| |
| @Test(timeout = 60000) |
| public void testServiceProviderWithDefaultConfigPath() throws Exception { |
| // Default config with property set. |
| PropertiesWriter writer1 = new PropertiesWriter(); |
| writer1.setProperty("rpsStreamAcquireServiceLimit", "191919"); |
| writer1.save(); |
| String fallbackConfPath1 = writer1.getFile().getPath(); |
| StreamConfigProvider provider1 = getServiceProvider(new IdentityStreamPartitionConverter(), |
| DEFAULT_CONFIG_DIR, fallbackConfPath1); |
| Optional<DynamicDistributedLogConfiguration> config1 = provider1.getDynamicStreamConfig("stream1"); |
| |
| // Empty default config. |
| PropertiesWriter writer2 = new PropertiesWriter(); |
| writer2.save(); |
| String fallbackConfPath2 = writer2.getFile().getPath(); |
| StreamConfigProvider provider2 = getServiceProvider(new IdentityStreamPartitionConverter(), |
| DEFAULT_CONFIG_DIR, fallbackConfPath2); |
| Optional<DynamicDistributedLogConfiguration> config2 = provider2.getDynamicStreamConfig("stream1"); |
| |
| assertEquals(191919, config1.get().getRpsStreamAcquireServiceLimit()); |
| assertEquals(-1, config2.get().getRpsStreamAcquireServiceLimit()); |
| } |
| |
| @Test(timeout = 60000) |
| public void testDefaultProvider() throws Exception { |
| PropertiesWriter writer = new PropertiesWriter(); |
| writer.setProperty(BKDL_RETENTION_PERIOD_IN_HOURS, "99"); |
| writer.save(); |
| StreamConfigProvider provider = getDefaultProvider(writer.getFile().getPath()); |
| Optional<DynamicDistributedLogConfiguration> config1 = provider.getDynamicStreamConfig("stream1"); |
| Optional<DynamicDistributedLogConfiguration> config2 = provider.getDynamicStreamConfig("stream2"); |
| assertTrue(config1.isPresent()); |
| assertTrue(config1.get() == config2.get()); |
| assertEquals(99, config1.get().getRetentionPeriodHours()); |
| } |
| |
| @Test(timeout = 60000) |
| public void testNullProvider() throws Exception { |
| StreamConfigProvider provider = getNullProvider(); |
| Optional<DynamicDistributedLogConfiguration> config1 = provider.getDynamicStreamConfig("stream1"); |
| Optional<DynamicDistributedLogConfiguration> config2 = provider.getDynamicStreamConfig("stream2"); |
| assertFalse(config1.isPresent()); |
| assertTrue(config1 == config2); |
| } |
| } |