| /** |
| * 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.Iterator; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| import org.junit.Assert; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TestWatcher; |
| import org.junit.runner.Description; |
| |
| import com.datatorrent.lib.fileaccess.FileAccessFSImpl; |
| import com.datatorrent.lib.util.TestUtils; |
| import com.datatorrent.netlet.util.Slice; |
| |
| public class BucketsFileSystemTest |
| { |
| class TestMeta extends TestWatcher |
| { |
| BucketsFileSystem bucketsFileSystem; |
| String applicationPath; |
| MockManagedStateContext managedStateContext; |
| |
| @Override |
| protected void starting(Description description) |
| { |
| TestUtils.deleteTargetTestClassFolder(description); |
| |
| managedStateContext = new MockManagedStateContext(ManagedStateTestUtils.getOperatorContext(7)); |
| applicationPath = "target/" + description.getClassName() + "/" + description.getMethodName(); |
| ((FileAccessFSImpl)managedStateContext.getFileAccess()).setBasePath(applicationPath + "/" + "bucket_data"); |
| managedStateContext.getFileAccess().init(); |
| |
| bucketsFileSystem = new BucketsFileSystem(); |
| |
| } |
| |
| @Override |
| protected void finished(Description description) |
| { |
| TestUtils.deleteTargetTestClassFolder(description); |
| } |
| |
| } |
| |
| @Rule |
| public TestMeta testMeta = new TestMeta(); |
| |
| @Test |
| public void testTransferBucket() throws IOException |
| { |
| testMeta.bucketsFileSystem.setup(testMeta.managedStateContext); |
| Map<Slice, Bucket.BucketedValue> unsavedBucket0 = ManagedStateTestUtils.getTestBucketData(0, 100); |
| testMeta.bucketsFileSystem.writeBucketData(10, 0, unsavedBucket0, -1); |
| |
| ManagedStateTestUtils.validateBucketOnFileSystem(testMeta.managedStateContext.getFileAccess(), 0, unsavedBucket0, 1); |
| testMeta.bucketsFileSystem.teardown(); |
| } |
| |
| @Test |
| public void testTransferOfExistingBucket() throws IOException |
| { |
| testMeta.bucketsFileSystem.setup(testMeta.managedStateContext); |
| Map<Slice, Bucket.BucketedValue> unsavedBucket0 = ManagedStateTestUtils.getTestBucketData(0, 100); |
| testMeta.bucketsFileSystem.writeBucketData(10, 0, unsavedBucket0, -1); |
| |
| Map<Slice, Bucket.BucketedValue> more = ManagedStateTestUtils.getTestBucketData(50, 100); |
| testMeta.bucketsFileSystem.writeBucketData(10, 0, more, -1); |
| |
| unsavedBucket0.putAll(more); |
| ManagedStateTestUtils.validateBucketOnFileSystem(testMeta.managedStateContext.getFileAccess(), 0, unsavedBucket0, 2); |
| testMeta.bucketsFileSystem.teardown(); |
| } |
| |
| @Test |
| public void testUpdateBucketMetaDataFile() throws IOException |
| { |
| testMeta.bucketsFileSystem.setup(testMeta.managedStateContext); |
| BucketsFileSystem.MutableTimeBucketMeta mutableTbm = new BucketsFileSystem.MutableTimeBucketMeta(1, 1); |
| mutableTbm.updateTimeBucketMeta(10, 100, new Slice("1".getBytes())); |
| |
| testMeta.bucketsFileSystem.updateTimeBuckets(mutableTbm); |
| testMeta.bucketsFileSystem.updateBucketMetaFile(1); |
| |
| BucketsFileSystem.TimeBucketMeta immutableTbm = testMeta.bucketsFileSystem.getTimeBucketMeta(1, 1); |
| Assert.assertNotNull(immutableTbm); |
| Assert.assertEquals("last transferred window", 10, immutableTbm.getLastTransferredWindowId()); |
| Assert.assertEquals("size in bytes", 100, immutableTbm.getSizeInBytes()); |
| Assert.assertEquals("first key", "1", immutableTbm.getFirstKey().stringValue()); |
| testMeta.bucketsFileSystem.teardown(); |
| } |
| |
| @Test |
| public void testGetTimeBucketMeta() throws IOException |
| { |
| testMeta.bucketsFileSystem.setup(testMeta.managedStateContext); |
| BucketsFileSystem.TimeBucketMeta bucketMeta = testMeta.bucketsFileSystem.getTimeBucketMeta(1, 1); |
| Assert.assertNull("bucket meta", bucketMeta); |
| |
| BucketsFileSystem.MutableTimeBucketMeta mutableTimeBucketMeta = new BucketsFileSystem.MutableTimeBucketMeta(1, 1); |
| testMeta.bucketsFileSystem.updateTimeBuckets(mutableTimeBucketMeta); |
| bucketMeta = testMeta.bucketsFileSystem.getTimeBucketMeta(1, 1); |
| Assert.assertNotNull("bucket meta not null", bucketMeta); |
| testMeta.bucketsFileSystem.teardown(); |
| } |
| |
| @Test |
| public void testGetAllTimeBucketMeta() throws IOException |
| { |
| testMeta.bucketsFileSystem.setup(testMeta.managedStateContext); |
| BucketsFileSystem.MutableTimeBucketMeta tbm1 = new BucketsFileSystem.MutableTimeBucketMeta(1, 1); |
| tbm1.updateTimeBucketMeta(10, 100, new Slice("1".getBytes())); |
| testMeta.bucketsFileSystem.updateTimeBuckets(tbm1); |
| |
| BucketsFileSystem.MutableTimeBucketMeta tbm2 = new BucketsFileSystem.MutableTimeBucketMeta(1, 2); |
| tbm2.updateTimeBucketMeta(10, 100, new Slice("2".getBytes())); |
| testMeta.bucketsFileSystem.updateTimeBuckets(tbm2); |
| |
| testMeta.bucketsFileSystem.updateBucketMetaFile(1); |
| TreeMap<Long, BucketsFileSystem.TimeBucketMeta> timeBucketMetas = |
| testMeta.bucketsFileSystem.getAllTimeBuckets(1); |
| |
| Iterator<Map.Entry<Long, BucketsFileSystem.TimeBucketMeta>> iterator = timeBucketMetas.entrySet().iterator(); |
| int i = 2; |
| while (iterator.hasNext()) { |
| BucketsFileSystem.TimeBucketMeta tbm = iterator.next().getValue(); |
| Assert.assertEquals("time bucket " + i, i, tbm.getTimeBucketId()); |
| i--; |
| } |
| testMeta.bucketsFileSystem.teardown(); |
| } |
| |
| @Test |
| public void testInvalidateTimeBucket() throws IOException |
| { |
| testMeta.bucketsFileSystem.setup(testMeta.managedStateContext); |
| testGetAllTimeBucketMeta(); |
| testMeta.bucketsFileSystem.invalidateTimeBucket(1, 1); |
| BucketsFileSystem.TimeBucketMeta immutableTbm = testMeta.bucketsFileSystem.getTimeBucketMeta(1,1); |
| Assert.assertNull("deleted tbm", immutableTbm); |
| |
| TreeMap<Long, BucketsFileSystem.TimeBucketMeta> timeBucketMetas = |
| testMeta.bucketsFileSystem.getAllTimeBuckets(1); |
| |
| Assert.assertEquals("only 1 tbm", 1, timeBucketMetas.size()); |
| immutableTbm = timeBucketMetas.entrySet().iterator().next().getValue(); |
| |
| Assert.assertEquals("tbm 2", 2, immutableTbm.getTimeBucketId()); |
| testMeta.bucketsFileSystem.teardown(); |
| } |
| |
| @Test |
| public void testFirstKeyAfterTransferBuckets() throws IOException |
| { |
| testMeta.bucketsFileSystem.setup(testMeta.managedStateContext); |
| Map<Slice, Bucket.BucketedValue> unsavedBucket0 = ManagedStateTestUtils.getTestBucketData(50, 100); |
| testMeta.bucketsFileSystem.writeBucketData(10, 0, unsavedBucket0, -1); |
| |
| Map<Slice, Bucket.BucketedValue> unsavedBucket1 = ManagedStateTestUtils.getTestBucketData(24, 104); |
| testMeta.bucketsFileSystem.writeBucketData(20, 0, unsavedBucket1, -1); |
| |
| BucketsFileSystem.TimeBucketMeta immutableTbm = testMeta.bucketsFileSystem.getTimeBucketMeta(0, 104); |
| Assert.assertNotNull(immutableTbm); |
| Assert.assertEquals("last transferred window", 20, immutableTbm.getLastTransferredWindowId()); |
| Assert.assertEquals("first key", "24", immutableTbm.getFirstKey().stringValue()); |
| testMeta.bucketsFileSystem.teardown(); |
| } |
| } |