| /* |
| * 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.drill.exec.physical.impl.common; |
| |
| import org.apache.drill.shaded.guava.com.google.common.collect.Lists; |
| import org.apache.drill.test.BaseTest; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import static org.apache.drill.exec.physical.impl.common.HashTable.BATCH_SIZE; |
| |
| public class HashTableAllocationTrackerTest extends BaseTest { |
| @Test |
| public void testDoubleGetNextCall() { |
| final HashTableConfig config = new HashTableConfig(100, true, .5f, Lists.newArrayList(), Lists.newArrayList(), Lists.newArrayList()); |
| final HashTableAllocationTracker tracker = new HashTableAllocationTracker(config); |
| |
| for (int counter = 0; counter < 100; counter++) { |
| Assert.assertEquals(100, tracker.getNextBatchHolderSize(BATCH_SIZE)); |
| } |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void testPrematureCommit() { |
| final HashTableConfig config = new HashTableConfig(100, .5f, Lists.newArrayList(), Lists.newArrayList(), Lists.newArrayList()); |
| final HashTableAllocationTracker tracker = new HashTableAllocationTracker(config); |
| |
| tracker.commit(30); |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void testDoubleCommit() { |
| final HashTableConfig config = new HashTableConfig(100, .5f, Lists.newArrayList(), Lists.newArrayList(), Lists.newArrayList()); |
| final HashTableAllocationTracker tracker = new HashTableAllocationTracker(config); |
| |
| tracker.commit(30); |
| tracker.commit(30); |
| } |
| |
| @Test |
| public void testOverAsking() { |
| final HashTableConfig config = new HashTableConfig(100, .5f, Lists.newArrayList(), Lists.newArrayList(), Lists.newArrayList()); |
| final HashTableAllocationTracker tracker = new HashTableAllocationTracker(config); |
| |
| tracker.getNextBatchHolderSize(30); |
| } |
| |
| /** |
| * Test for when we do not know the final size of the hash table. |
| */ |
| @Test |
| public void testLifecycle1() { |
| final HashTableConfig config = new HashTableConfig(100, .5f, Lists.newArrayList(), Lists.newArrayList(), Lists.newArrayList()); |
| final HashTableAllocationTracker tracker = new HashTableAllocationTracker(config); |
| |
| for (int counter = 0; counter < 100; counter++) { |
| Assert.assertEquals(30, tracker.getNextBatchHolderSize(30)); |
| tracker.commit(30); |
| } |
| } |
| |
| /** |
| * Test for when we know the final size of the hash table |
| */ |
| @Test |
| public void testLifecycle() { |
| final HashTableConfig config = new HashTableConfig(100, true, .5f, Lists.newArrayList(), Lists.newArrayList(), Lists.newArrayList()); |
| final HashTableAllocationTracker tracker = new HashTableAllocationTracker(config); |
| |
| Assert.assertEquals(30, tracker.getNextBatchHolderSize(30)); |
| tracker.commit(30); |
| Assert.assertEquals(30, tracker.getNextBatchHolderSize(30)); |
| tracker.commit(30); |
| Assert.assertEquals(30, tracker.getNextBatchHolderSize(30)); |
| tracker.commit(30); |
| Assert.assertEquals(10, tracker.getNextBatchHolderSize(30)); |
| tracker.commit(30); |
| |
| boolean caughtException = false; |
| |
| try { |
| tracker.getNextBatchHolderSize(BATCH_SIZE); |
| } catch (IllegalStateException ex) { |
| caughtException = true; |
| } |
| |
| Assert.assertTrue(caughtException); |
| } |
| } |