| /** |
| * 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 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.FileAccess; |
| import org.apache.apex.malhar.lib.fileaccess.FileAccessFSImpl; |
| import org.apache.apex.malhar.lib.state.managed.Bucket.DefaultBucket; |
| import org.apache.apex.malhar.lib.state.managed.Bucket.ReadSource; |
| import org.apache.apex.malhar.lib.util.TestUtils; |
| import org.apache.apex.malhar.lib.utils.serde.AffixSerde; |
| import org.apache.apex.malhar.lib.utils.serde.SerializationBuffer; |
| import org.apache.apex.malhar.lib.utils.serde.StringSerde; |
| |
| import com.google.common.primitives.Longs; |
| |
| import com.datatorrent.netlet.util.Slice; |
| |
| public class DefaultBucketTest |
| { |
| |
| class TestMeta extends TestWatcher |
| { |
| Bucket.DefaultBucket defaultBucket; |
| String applicationPath; |
| MockManagedStateContext managedStateContext; |
| |
| @Override |
| protected void starting(Description description) |
| { |
| //lots of test case get around the normal workflow and directly write to file. So should disable bloom filter |
| DefaultBucket.setDisableBloomFilterByDefault(true); |
| |
| TestUtils.deleteTargetTestClassFolder(description); |
| managedStateContext = new MockManagedStateContext(ManagedStateTestUtils.getOperatorContext(9)); |
| applicationPath = "target/" + description.getClassName() + "/" + description.getMethodName(); |
| ((FileAccessFSImpl)managedStateContext.getFileAccess()).setBasePath(applicationPath + "/" + "bucket_data"); |
| managedStateContext.getFileAccess().init(); |
| |
| defaultBucket = new Bucket.DefaultBucket(1); |
| managedStateContext.getBucketsFileSystem().setup(managedStateContext); |
| } |
| |
| @Override |
| protected void finished(Description description) |
| { |
| managedStateContext.getBucketsFileSystem().teardown(); |
| TestUtils.deleteTargetTestClassFolder(description); |
| } |
| } |
| |
| @Rule |
| public TestMeta testMeta = new TestMeta(); |
| |
| @Test |
| public void testPut() |
| { |
| testMeta.defaultBucket.setup(testMeta.managedStateContext); |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| testMeta.defaultBucket.put(one, 1, one); |
| |
| Slice value = testMeta.defaultBucket.get(one, 1, Bucket.ReadSource.MEMORY); |
| Assert.assertEquals("value one", one, value); |
| |
| value = testMeta.defaultBucket.get(one, 1, Bucket.ReadSource.READERS); |
| Assert.assertNull("value not present", value); |
| |
| Assert.assertEquals("size of bucket", one.length * 2 + Longs.BYTES, testMeta.defaultBucket.getSizeInBytes()); |
| |
| testMeta.defaultBucket.teardown(); |
| } |
| |
| @Test |
| public void testGetFromReader() throws IOException |
| { |
| testMeta.defaultBucket.setup(testMeta.managedStateContext); |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| |
| Map<Slice, Bucket.BucketedValue> unsavedBucket0 = ManagedStateTestUtils.getTestBucketData(0, 100); |
| testMeta.managedStateContext.getBucketsFileSystem().writeBucketData(1, 1, unsavedBucket0, -1); |
| |
| ManagedStateTestUtils.validateBucketOnFileSystem(testMeta.managedStateContext.getFileAccess(), 1, unsavedBucket0, 1); |
| |
| Slice value = testMeta.defaultBucket.get(one, -1, Bucket.ReadSource.READERS); |
| Assert.assertEquals("value one", one, value); |
| |
| testMeta.defaultBucket.teardown(); |
| } |
| |
| @Test |
| public void testGetFromSpecificTimeBucket() throws IOException |
| { |
| testMeta.defaultBucket.setup(testMeta.managedStateContext); |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| |
| Map<Slice, Bucket.BucketedValue> unsavedBucket0 = ManagedStateTestUtils.getTestBucketData(0, 100); |
| testMeta.managedStateContext.getBucketsFileSystem().writeBucketData(1, 1, unsavedBucket0, -1); |
| |
| ManagedStateTestUtils.validateBucketOnFileSystem(testMeta.managedStateContext.getFileAccess(), 1, unsavedBucket0, 1); |
| |
| Slice value = testMeta.defaultBucket.get(one, 101, Bucket.ReadSource.READERS); |
| Assert.assertEquals("value one", one, value); |
| |
| testMeta.defaultBucket.teardown(); |
| } |
| |
| @Test |
| public void testCheckpointed() |
| { |
| testMeta.defaultBucket.setup(testMeta.managedStateContext); |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| testPut(); |
| Map<Slice, Bucket.BucketedValue> unsaved = testMeta.defaultBucket.checkpoint(10); |
| |
| Map.Entry<Slice, Bucket.BucketedValue> entry = unsaved.entrySet().iterator().next(); |
| Assert.assertEquals("key", one, entry.getKey()); |
| Assert.assertEquals("value", one, entry.getValue().getValue()); |
| Assert.assertEquals("time bucket", 1, entry.getValue().getTimeBucket()); |
| testMeta.defaultBucket.teardown(); |
| } |
| |
| @Test |
| public void testCommitted() |
| { |
| testMeta.defaultBucket.setup(testMeta.managedStateContext); |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| testCheckpointed(); |
| testMeta.defaultBucket.committed(10); |
| Slice value = testMeta.defaultBucket.get(one, -1, Bucket.ReadSource.MEMORY); |
| Assert.assertEquals("value one", one, value); |
| testMeta.defaultBucket.teardown(); |
| } |
| |
| @Test |
| public void testCommittedWithOpenReader() throws IOException |
| { |
| testMeta.defaultBucket.setup(testMeta.managedStateContext); |
| testGetFromReader(); |
| Map<Long, FileAccess.FileReader> readers = testMeta.defaultBucket.getReaders(); |
| Assert.assertTrue("reader open", readers.containsKey(101L)); |
| |
| Slice two = ManagedStateTestUtils.getSliceFor("2"); |
| Slice one = ManagedStateTestUtils.getSliceFor("1"); |
| |
| testMeta.defaultBucket.put(two, 101, two); |
| Map<Slice, Bucket.BucketedValue> unsaved = testMeta.defaultBucket.checkpoint(10); |
| Assert.assertEquals("size", 1, unsaved.size()); |
| testMeta.defaultBucket.committed(10); |
| |
| Slice value = testMeta.defaultBucket.get(two, -1, Bucket.ReadSource.MEMORY); |
| Assert.assertEquals("value two", two, value); |
| |
| value = testMeta.defaultBucket.get(one, -1, Bucket.ReadSource.MEMORY); |
| Assert.assertEquals("value one", one, value); |
| |
| Assert.assertTrue("reader closed", !readers.containsKey(101L)); |
| testMeta.defaultBucket.teardown(); |
| } |
| |
| @Test |
| public void testTeardown() throws IOException |
| { |
| testMeta.defaultBucket.setup(testMeta.managedStateContext); |
| testGetFromReader(); |
| Map<Long, FileAccess.FileReader> readers = testMeta.defaultBucket.getReaders(); |
| Assert.assertTrue("reader open", readers.containsKey(101L)); |
| |
| testMeta.defaultBucket.teardown(); |
| Assert.assertTrue("reader closed", readers.containsKey(101L)); |
| } |
| |
| @Test |
| public void testFreeMemory() throws IOException |
| { |
| DefaultBucket.setDisableBloomFilterByDefault(false); |
| |
| testMeta.defaultBucket.setup(testMeta.managedStateContext); |
| testGetFromReader(); |
| long initSize = testMeta.defaultBucket.getSizeInBytes(); |
| |
| //The temporary memory generated by get was not managed by bucket, only put was managed by bucket |
| SerializationBuffer buffer = new SerializationBuffer(testMeta.defaultBucket.getKeyStream()); |
| byte[] keyPrefix = new byte[]{0}; |
| String key = "1"; |
| String value = "2"; |
| AffixSerde<String> keySerde = new AffixSerde<>(keyPrefix, new StringSerde(), null); |
| |
| StringSerde valueSerde = new StringSerde(); |
| |
| testMeta.defaultBucket.getKeyStream().beginWindow(1); |
| testMeta.defaultBucket.getValueStream().beginWindow(1); |
| keySerde.serialize(key, buffer); |
| Slice keySlice = buffer.toSlice(); |
| valueSerde.serialize(value, buffer); |
| Slice valueSlice = buffer.toSlice(); |
| testMeta.defaultBucket.put(keySlice, 1, valueSlice); |
| testMeta.defaultBucket.getKeyStream().endWindow(); |
| testMeta.defaultBucket.getValueStream().endWindow(); |
| |
| long currentSize = testMeta.defaultBucket.getSizeInBytes(); |
| testMeta.defaultBucket.freeMemory(Long.MAX_VALUE); |
| //call this method to invoke the release memory |
| testMeta.defaultBucket.get(keySlice, -1, ReadSource.MEMORY); |
| long sizeFreed = currentSize - testMeta.defaultBucket.getSizeInBytes(); |
| |
| Assert.assertEquals("size freed", initSize, sizeFreed); |
| Assert.assertEquals("existing size", currentSize - initSize, testMeta.defaultBucket.getSizeInBytes()); |
| |
| testMeta.defaultBucket.teardown(); |
| } |
| |
| @Test |
| public void testBloomFilter() throws IOException |
| { |
| testMeta.defaultBucket.setDisableBloomFilter(false); |
| testMeta.defaultBucket.setup(testMeta.managedStateContext); |
| final int itemSize = 1000; |
| final int bucketId = 1; |
| for (int i = 0; i < itemSize; i += 2) { |
| //put only even value |
| Slice keyAndValue = ManagedStateTestUtils.getSliceFor(String.valueOf(i)); |
| testMeta.defaultBucket.put(keyAndValue, bucketId, keyAndValue); |
| } |
| |
| testMeta.defaultBucket.freeMemory(Long.MAX_VALUE); |
| |
| for (int i = 0; i < itemSize; ++i) { |
| //put only even value |
| Slice key = ManagedStateTestUtils.getSliceFor(String.valueOf(i)); |
| Slice value = testMeta.defaultBucket.get(key, bucketId, ReadSource.ALL); |
| if ((i & 0x01) == 0) { |
| Assert.assertEquals(key, value); |
| } else { |
| Assert.assertTrue(value == null); |
| } |
| } |
| |
| testMeta.defaultBucket.teardown(); |
| } |
| } |