| /** |
| * 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.Map; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| |
| import org.junit.Assert; |
| import org.junit.Rule; |
| import org.junit.Test; |
| 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.Bucket.DefaultBucket; |
| import org.apache.apex.malhar.lib.util.KryoCloneUtils; |
| import org.apache.apex.malhar.lib.util.TestUtils; |
| |
| import com.datatorrent.api.Attribute; |
| import com.datatorrent.api.Context; |
| import com.datatorrent.api.Context.OperatorContext; |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.netlet.util.Slice; |
| |
| import static org.apache.apex.malhar.lib.helper.OperatorContextTestHelper.mockOperatorContext; |
| |
| public class ManagedTimeStateImplTest |
| { |
| class TestMeta extends TestWatcher |
| { |
| ManagedTimeStateImpl managedState; |
| Context.OperatorContext operatorContext; |
| String applicationPath; |
| |
| @Override |
| protected void starting(Description description) |
| { |
| TestUtils.deleteTargetTestClassFolder(description); |
| managedState = new ManagedTimeStateImpl(); |
| 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 |
| { |
| ManagedTimeStateImpl deserialized = KryoCloneUtils.cloneObject(testMeta.managedState); |
| Assert.assertEquals("num buckets", deserialized.getNumBuckets(), testMeta.managedState.getNumBuckets()); |
| } |
| |
| @Test |
| public void testAsyncGetFromReaders() throws IOException, ExecutionException, InterruptedException |
| { |
| Slice zero = ManagedStateTestUtils.getSliceFor("0"); |
| long time = System.currentTimeMillis(); |
| |
| DefaultBucket.setDisableBloomFilterByDefault(true); |
| testMeta.managedState.setup(testMeta.operatorContext); |
| |
| Map<Slice, Bucket.BucketedValue> unsavedBucket0 = ManagedStateTestUtils.getTestBucketData(0, time); |
| testMeta.managedState.bucketsFileSystem.writeBucketData(time, 0, unsavedBucket0, -1); |
| ManagedStateTestUtils.validateBucketOnFileSystem(testMeta.managedState.getFileAccess(), 0, unsavedBucket0, 1); |
| |
| Future<Slice> valFuture = testMeta.managedState.getAsync(0, zero); |
| |
| Assert.assertEquals("value of zero", zero, valFuture.get()); |
| testMeta.managedState.teardown(); |
| } |
| |
| @Test |
| public void testPutGetWithTime() |
| { |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| testMeta.managedState.setup(testMeta.operatorContext); |
| long time = System.currentTimeMillis(); |
| testMeta.managedState.beginWindow(0); |
| testMeta.managedState.put(0, time, one, one); |
| Slice value = testMeta.managedState.getSync(0, time, one); |
| testMeta.managedState.endWindow(); |
| |
| Assert.assertEquals("value of one", one, value); |
| testMeta.managedState.teardown(); |
| } |
| |
| @Test |
| public void testAsyncGetWithTime() throws ExecutionException, InterruptedException |
| { |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| testMeta.managedState.setup(testMeta.operatorContext); |
| long time = System.currentTimeMillis(); |
| testMeta.managedState.beginWindow(0); |
| testMeta.managedState.put(0, time, one, one); |
| Future<Slice> valFuture = testMeta.managedState.getAsync(0, time, one); |
| Slice value = valFuture.get(); |
| |
| Assert.assertEquals("value of one", one, value); |
| testMeta.managedState.teardown(); |
| } |
| |
| @Test |
| public void testRecovery() throws ExecutionException, InterruptedException |
| { |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| testMeta.managedState.setup(testMeta.operatorContext); |
| long time = System.currentTimeMillis(); |
| testMeta.managedState.beginWindow(0); |
| testMeta.managedState.put(0, time, one, one); |
| testMeta.managedState.endWindow(); |
| testMeta.managedState.beforeCheckpoint(0); |
| |
| testMeta.managedState.teardown(); |
| |
| //there is a failure and the operator is re-deployed. |
| testMeta.managedState.setStateTracker(new StateTracker()); |
| |
| Attribute.AttributeMap.DefaultAttributeMap attributes = new Attribute.AttributeMap.DefaultAttributeMap(); |
| attributes.put(DAG.APPLICATION_PATH, testMeta.applicationPath); |
| attributes.put(Context.OperatorContext.ACTIVATION_WINDOW_ID, 0L); |
| OperatorContext operatorContext = mockOperatorContext(1, attributes); |
| |
| testMeta.managedState.setup(operatorContext); |
| |
| Bucket.DefaultBucket defaultBucket = (Bucket.DefaultBucket)testMeta.managedState.getBucket(0); |
| Assert.assertEquals("value of one", one, defaultBucket.get(one, time, Bucket.ReadSource.MEMORY)); |
| } |
| } |