| /** |
| * 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.managed; |
| |
| import java.io.IOException; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| |
| import org.joda.time.Duration; |
| import org.junit.Assert; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TestWatcher; |
| import org.junit.runner.Description; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.apex.malhar.lib.fileaccess.FileAccessFSImpl; |
| import org.apache.apex.malhar.lib.util.KryoCloneUtils; |
| import org.apache.apex.malhar.lib.util.TestUtils; |
| |
| import com.datatorrent.api.Context; |
| import com.datatorrent.netlet.util.Slice; |
| |
| public class ManagedStateImplTest |
| { |
| |
| class TestMeta extends TestWatcher |
| { |
| ManagedStateImpl managedState; |
| Context.OperatorContext operatorContext; |
| String applicationPath; |
| |
| @Override |
| protected void starting(Description description) |
| { |
| TestUtils.deleteTargetTestClassFolder(description); |
| managedState = new ManagedStateImpl(); |
| applicationPath = "target/" + description.getClassName() + "/" + description.getMethodName(); |
| ((FileAccessFSImpl)managedState.getFileAccess()).setBasePath(applicationPath + "/" + "bucket_data"); |
| |
| operatorContext = ManagedStateTestUtils.getOperatorContext(1, applicationPath); |
| } |
| |
| @Override |
| protected void finished(Description description) |
| { |
| TestUtils.deleteTargetTestClassFolder(description); |
| } |
| } |
| |
| @Rule |
| public TestMeta testMeta = new TestMeta(); |
| |
| @Test |
| public void testSerde() throws IOException |
| { |
| ManagedStateImpl deserialized = KryoCloneUtils.cloneObject(testMeta.managedState); |
| Assert.assertEquals("num buckets", deserialized.getNumBuckets(), testMeta.managedState.getNumBuckets()); |
| } |
| |
| @Test |
| public void testSimplePutGet() |
| { |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| testMeta.managedState.setup(testMeta.operatorContext); |
| testMeta.managedState.beginWindow(System.currentTimeMillis()); |
| testMeta.managedState.put(0, one, one); |
| Slice value = testMeta.managedState.getSync(0, one); |
| testMeta.managedState.endWindow(); |
| |
| Assert.assertEquals("value of one", one, value); |
| testMeta.managedState.teardown(); |
| } |
| |
| @Test |
| public void testAsyncGetFromFlash() throws ExecutionException, InterruptedException |
| { |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| testMeta.managedState.setup(testMeta.operatorContext); |
| testMeta.managedState.beginWindow(System.currentTimeMillis()); |
| testMeta.managedState.put(0, one, one); |
| Future<Slice> valFuture = testMeta.managedState.getAsync(0, one); |
| Slice value = valFuture.get(); |
| |
| Assert.assertEquals("value of one", one, value); |
| testMeta.managedState.teardown(); |
| } |
| |
| @Test |
| public void testIncrementalCheckpoint() |
| { |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| testMeta.managedState.setup(testMeta.operatorContext); |
| long time = System.currentTimeMillis(); |
| testMeta.managedState.beginWindow(time); |
| testMeta.managedState.put(0, one, one); |
| testMeta.managedState.endWindow(); |
| testMeta.managedState.beforeCheckpoint(time); |
| |
| Bucket.DefaultBucket defaultBucket = (Bucket.DefaultBucket)testMeta.managedState.getBucket(0); |
| Assert.assertEquals("value of one", one, defaultBucket.getCheckpointedData().get(time).get(one).getValue()); |
| |
| Slice two = ManagedStateTestUtils.getSliceFor("2"); |
| testMeta.managedState.beginWindow(time + 1); |
| testMeta.managedState.put(0, two, two); |
| testMeta.managedState.endWindow(); |
| testMeta.managedState.beforeCheckpoint(time + 1); |
| |
| Assert.assertEquals("value of two", two, defaultBucket.getCheckpointedData().get(time + 1).get(two).getValue()); |
| testMeta.managedState.teardown(); |
| } |
| |
| @Test |
| public void testAsyncGetFromCheckpoint() throws ExecutionException, InterruptedException |
| { |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| testMeta.managedState.setup(testMeta.operatorContext); |
| long time = System.currentTimeMillis(); |
| testMeta.managedState.beginWindow(time); |
| testMeta.managedState.put(0, one, one); |
| testMeta.managedState.endWindow(); |
| testMeta.managedState.beforeCheckpoint(time); |
| |
| Future<Slice> valFuture = testMeta.managedState.getAsync(0, one); |
| Assert.assertEquals("value of one", one, valFuture.get()); |
| testMeta.managedState.teardown(); |
| } |
| |
| @Test |
| public void testCommitted() |
| { |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| Slice two = ManagedStateTestUtils.getSliceFor("2"); |
| commitHelper(one, two); |
| Bucket.DefaultBucket defaultBucket = (Bucket.DefaultBucket)testMeta.managedState.getBucket(0); |
| Assert.assertEquals("value of one", one, defaultBucket.getCommittedData().firstEntry().getValue().get(one) |
| .getValue()); |
| Assert.assertNull("value of two", defaultBucket.getCommittedData().firstEntry().getValue().get(two)); |
| testMeta.managedState.teardown(); |
| } |
| |
| @Test |
| public void testAsyncGetFromCommitted() throws ExecutionException, InterruptedException |
| { |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| Slice two = ManagedStateTestUtils.getSliceFor("2"); |
| commitHelper(one, two); |
| Future<Slice> valFuture = testMeta.managedState.getAsync(0, one); |
| Assert.assertEquals("value of one", one, valFuture.get()); |
| } |
| |
| /** |
| * Fix for APEXMALHAR-2042 |
| */ |
| @Test |
| public void testFreeWindowTransferRaceCondition() throws Exception |
| { |
| testMeta.managedState.setMaxMemorySize(1); |
| testMeta.managedState.setCheckStateSizeInterval(Duration.millis(1L)); |
| testMeta.managedState.setup(testMeta.operatorContext); |
| |
| int numKeys = 300; |
| long lastWindowId = numKeys; |
| |
| for (long windowId = 0L; windowId < lastWindowId; windowId++) { |
| testMeta.managedState.beginWindow(windowId); |
| Slice keyVal = ManagedStateTestUtils.getSliceFor(Long.toString(windowId)); |
| testMeta.managedState.put(0L, keyVal, keyVal); |
| testMeta.managedState.endWindow(); |
| testMeta.managedState.beforeCheckpoint(windowId); |
| testMeta.managedState.checkpointed(windowId); |
| Thread.sleep(1L); |
| } |
| |
| testMeta.managedState.committed(lastWindowId - 2L); |
| lastWindowId++; |
| |
| testMeta.managedState.beginWindow(lastWindowId); |
| |
| for (int key = numKeys - 1; key > 0; key--) { |
| Slice keyVal = ManagedStateTestUtils.getSliceFor(Integer.toString(key)); |
| Slice val = testMeta.managedState.getSync(0L, keyVal); |
| Assert.assertNotNull("null value for key " + key, val); |
| } |
| |
| testMeta.managedState.endWindow(); |
| testMeta.managedState.teardown(); |
| } |
| |
| private void commitHelper(Slice one, Slice two) |
| { |
| testMeta.managedState.setup(testMeta.operatorContext); |
| long time = System.currentTimeMillis(); |
| testMeta.managedState.beginWindow(time); |
| testMeta.managedState.put(0, one, one); |
| testMeta.managedState.endWindow(); |
| testMeta.managedState.beforeCheckpoint(time); |
| |
| testMeta.managedState.beginWindow(time + 1); |
| testMeta.managedState.put(0, two, two); |
| testMeta.managedState.endWindow(); |
| testMeta.managedState.beforeCheckpoint(time + 1); |
| |
| testMeta.managedState.committed(time); |
| } |
| |
| private static final Logger LOG = LoggerFactory.getLogger(ManagedStateImplTest.class); |
| } |