| /** |
| * 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.apex.malhar.lib.state.spillable; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.junit.Assert; |
| import org.junit.rules.TestWatcher; |
| import org.junit.runner.Description; |
| |
| import org.apache.apex.malhar.lib.fileaccess.FileAccessFSImpl; |
| import org.apache.apex.malhar.lib.state.managed.ManagedStateTestUtils; |
| import org.apache.apex.malhar.lib.state.spillable.managed.ManagedStateSpillableStateStore; |
| import org.apache.apex.malhar.lib.state.spillable.managed.ManagedTimeUnifiedStateSpillableStateStore; |
| import org.apache.apex.malhar.lib.util.TestUtils; |
| import org.apache.apex.malhar.lib.utils.serde.CollectionSerde; |
| import org.apache.apex.malhar.lib.utils.serde.Serde; |
| import org.apache.apex.malhar.lib.utils.serde.SerializationBuffer; |
| import org.apache.apex.malhar.lib.utils.serde.StringSerde; |
| import org.apache.apex.malhar.lib.utils.serde.WindowedBlockStream; |
| |
| import com.esotericsoftware.kryo.io.Input; |
| |
| import com.datatorrent.api.Context; |
| import com.datatorrent.netlet.util.Slice; |
| |
| /** |
| * This class contains utility methods that can be used by Spillable data structure unit tests. |
| */ |
| public class SpillableTestUtils |
| { |
| public static StringSerde STRING_SERDE = new StringSerde(); |
| public static CollectionSerde<String, List<String>> STRING_LIST_SERDE = new CollectionSerde<>(new StringSerde(), |
| (Class)ArrayList.class); |
| |
| private SpillableTestUtils() |
| { |
| //Shouldn't instantiate this |
| } |
| |
| public static class TestMeta extends TestWatcher |
| { |
| public ManagedStateSpillableStateStore store; |
| public ManagedTimeUnifiedStateSpillableStateStore timeStore; |
| public Context.OperatorContext operatorContext; |
| public String applicationPath; |
| |
| @Override |
| protected void starting(Description description) |
| { |
| TestUtils.deleteTargetTestClassFolder(description); |
| store = new ManagedStateSpillableStateStore(); |
| timeStore = new ManagedTimeUnifiedStateSpillableStateStore(); |
| applicationPath = "target/" + description.getClassName() + "/" + description.getMethodName(); |
| ((FileAccessFSImpl)store.getFileAccess()).setBasePath(applicationPath + "/" + "bucket_data"); |
| ((FileAccessFSImpl)timeStore.getFileAccess()).setBasePath(applicationPath + "/" + "time_bucket_data"); |
| |
| operatorContext = ManagedStateTestUtils.getOperatorContext(1, applicationPath); |
| } |
| |
| @Override |
| protected void finished(Description description) |
| { |
| TestUtils.deleteTargetTestClassFolder(description); |
| } |
| } |
| |
| protected static SerializationBuffer buffer = new SerializationBuffer(new WindowedBlockStream()); |
| |
| public static Slice getKeySlice(byte[] id, String key) |
| { |
| buffer.writeBytes(id); |
| STRING_SERDE.serialize(key, buffer); |
| return buffer.toSlice(); |
| } |
| |
| public static Slice getKeySlice(byte[] id, int index, String key) |
| { |
| buffer.writeBytes(id); |
| buffer.writeInt(index); |
| STRING_SERDE.serialize(key, buffer); |
| return buffer.toSlice(); |
| } |
| |
| public static void checkValue(SpillableStateStore store, long bucketId, String key, |
| byte[] prefix, String expectedValue) |
| { |
| buffer.writeBytes(prefix); |
| STRING_SERDE.serialize(key, buffer); |
| checkValue(store, bucketId, buffer.toSlice().toByteArray(), expectedValue, 0, STRING_SERDE); |
| } |
| |
| public static void checkValue(SpillableStateStore store, long bucketId, |
| byte[] prefix, int index, List<String> expectedValue) |
| { |
| buffer.writeBytes(prefix); |
| buffer.writeInt(index); |
| checkValue(store, bucketId, buffer.toSlice().toByteArray(), expectedValue, 0, STRING_LIST_SERDE); |
| } |
| |
| public static <T> void checkValue(SpillableStateStore store, long bucketId, byte[] bytes, |
| T expectedValue, int offset, Serde<T> serde) |
| { |
| Slice slice = store.getSync(bucketId, new Slice(bytes)); |
| |
| if (slice == null || slice.length == 0) { |
| if (expectedValue != null) { |
| Assert.assertEquals(expectedValue, slice); |
| } else { |
| return; |
| } |
| } |
| |
| T string = serde.deserialize(new Input(slice.buffer, slice.offset + offset, slice.length)); |
| |
| Assert.assertEquals(expectedValue, string); |
| } |
| |
| public static void checkOutOfBounds(SpillableArrayListImpl<String> list, int index) |
| { |
| boolean exceptionThrown = false; |
| |
| try { |
| list.get(index); |
| } catch (IndexOutOfBoundsException ex) { |
| exceptionThrown = true; |
| } |
| |
| Assert.assertTrue(exceptionThrown); |
| } |
| } |