| /* |
| * 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 org.apache.tinkerpop.gremlin.structure.io.gryo; |
| |
| import org.apache.commons.configuration.BaseConfiguration; |
| import org.apache.commons.configuration.Configuration; |
| import org.apache.tinkerpop.gremlin.structure.io.IoRegistry; |
| import org.apache.tinkerpop.gremlin.structure.io.IoX; |
| import org.apache.tinkerpop.gremlin.structure.io.IoXIoRegistry; |
| import org.apache.tinkerpop.gremlin.structure.io.IoY; |
| import org.apache.tinkerpop.gremlin.structure.io.IoYIoRegistry; |
| import org.apache.tinkerpop.gremlin.util.function.FunctionUtils; |
| import org.junit.Test; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.util.Collections; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| public class GryoPoolTest { |
| |
| @Test |
| public void shouldDoWithReaderWriterMethods() throws Exception { |
| final Configuration conf = new BaseConfiguration(); |
| final GryoPool pool = GryoPool.build().ioRegistries(conf.getList(IoRegistry.IO_REGISTRY, Collections.emptyList())).create(); |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| pool.doWithWriter(writer -> writer.writeObject(os, 1)); |
| os.flush(); |
| try (final ByteArrayInputStream is = new ByteArrayInputStream(os.toByteArray())) { |
| assertEquals(1, pool.<Integer>doWithReader(FunctionUtils.wrapFunction(reader -> reader.readObject(is, Integer.class))).intValue()); |
| } |
| } |
| assertReaderWriter(pool.takeWriter(), pool.takeReader(), 1, Integer.class); |
| } |
| |
| @Test |
| public void shouldConfigPoolOnConstructionWithDefaults() throws Exception { |
| final Configuration conf = new BaseConfiguration(); |
| final GryoPool pool = GryoPool.build().ioRegistries(conf.getList(IoRegistry.IO_REGISTRY, Collections.emptyList())).create(); |
| assertReaderWriter(pool.takeWriter(), pool.takeReader(), 1, Integer.class); |
| } |
| |
| @Test |
| public void shouldConfigPoolOnConstructionWithPoolSizeOneAndNoIoRegistry() throws Exception { |
| final Configuration conf = new BaseConfiguration(); |
| final GryoPool pool = GryoPool.build().poolSize(1).ioRegistries(conf.getList(IoRegistry.IO_REGISTRY, Collections.emptyList())).create(); |
| final GryoReader reader = pool.takeReader(); |
| final GryoWriter writer = pool.takeWriter(); |
| |
| pool.offerReader(reader); |
| pool.offerWriter(writer); |
| |
| for (int ix = 0; ix < 100; ix++) { |
| final GryoReader r = pool.takeReader(); |
| final GryoWriter w = pool.takeWriter(); |
| assertReaderWriter(w, r, 1, Integer.class); |
| |
| // should always return the same original instance |
| assertEquals(reader, r); |
| assertEquals(writer, w); |
| |
| pool.offerReader(r); |
| pool.offerWriter(w); |
| } |
| } |
| |
| @Test |
| public void shouldConfigPoolOnConstructionWithCustomIoRegistryConstructor() throws Exception { |
| final Configuration conf = new BaseConfiguration(); |
| conf.setProperty(IoRegistry.IO_REGISTRY, IoXIoRegistry.ConstructorBased.class.getName()); |
| final GryoPool pool = GryoPool.build().ioRegistries(conf.getList(IoRegistry.IO_REGISTRY, Collections.emptyList())).create(); |
| assertReaderWriter(pool.takeWriter(), pool.takeReader(), new IoX("test"), IoX.class); |
| } |
| |
| @Test |
| public void shouldConfigPoolOnConstructionWithCustomIoRegistryInstance() throws Exception { |
| final Configuration conf = new BaseConfiguration(); |
| conf.setProperty(IoRegistry.IO_REGISTRY, IoXIoRegistry.InstanceBased.class.getName()); |
| final GryoPool pool = GryoPool.build().ioRegistries(conf.getList(IoRegistry.IO_REGISTRY, Collections.emptyList())).create(); |
| assertReaderWriter(pool.takeWriter(), pool.takeReader(), new IoX("test"), IoX.class); |
| } |
| |
| @Test |
| public void shouldConfigPoolOnConstructionWithMultipleCustomIoRegistries() throws Exception { |
| final Configuration conf = new BaseConfiguration(); |
| conf.setProperty(IoRegistry.IO_REGISTRY, |
| IoXIoRegistry.InstanceBased.class.getName() + "," + IoYIoRegistry.InstanceBased.class.getName()); |
| final GryoPool pool = GryoPool.build().ioRegistries(conf.getList(IoRegistry.IO_REGISTRY, Collections.emptyList())).create(); |
| assertReaderWriter(pool.takeWriter(), pool.takeReader(), new IoX("test"), IoX.class); |
| assertReaderWriter(pool.takeWriter(), pool.takeReader(), new IoY(100, 200), IoY.class); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void shouldConfigPoolOnConstructionWithoutCustomIoRegistryAndFail() throws Exception { |
| final Configuration conf = new BaseConfiguration(); |
| final GryoPool pool = GryoPool.build().ioRegistries(conf.getList(IoRegistry.IO_REGISTRY, Collections.emptyList())).create(); |
| assertReaderWriter(pool.takeWriter(), pool.takeReader(), new IoX("test"), IoX.class); |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void shouldConfigPoolOnConstructionWithoutBadIoRegistryAndFail() throws Exception { |
| final Configuration conf = new BaseConfiguration(); |
| conf.setProperty(IoRegistry.IO_REGISTRY, "some.class.that.does.not.exist"); |
| GryoPool.build().ioRegistries(conf.getList(IoRegistry.IO_REGISTRY, Collections.emptyList())).create(); |
| } |
| |
| private static <T> void assertReaderWriter(final GryoWriter writer, final GryoReader reader, final T o, |
| final Class<T> clazz) throws Exception{ |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| writer.writeObject(os, o); |
| os.flush(); |
| try (final ByteArrayInputStream is = new ByteArrayInputStream(os.toByteArray())) { |
| assertEquals(o, reader.readObject(is, clazz)); |
| } |
| } |
| } |
| } |