| /* |
| * 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.test; |
| |
| import java.io.File; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.drill.common.config.DrillConfig; |
| import org.apache.drill.exec.memory.BufferAllocator; |
| import org.apache.drill.exec.vector.ValueVector; |
| import org.apache.drill.shaded.guava.com.google.common.io.Files; |
| |
| import io.netty.buffer.DrillBuf; |
| |
| /** |
| * Base class for "fixtures." Provides the basics such as the Drill |
| * configuration, a memory allocator and so on. |
| */ |
| |
| public class BaseFixture { |
| |
| protected DrillConfig config; |
| protected BufferAllocator allocator; |
| |
| /** |
| * Create a temp directory to store the given <i>dirName</i>. Directory will |
| * be deleted on exit. Directory is created if it does not exist. |
| * |
| * @param dirName directory name |
| * @return Full path including temp parent directory and given directory name. |
| */ |
| |
| public static File getTempDir(final String dirName) { |
| final File dir = Files.createTempDir(); |
| Runtime.getRuntime().addShutdownHook(new Thread() { |
| @Override |
| public void run() { |
| FileUtils.deleteQuietly(dir); |
| } |
| }); |
| File tempDir = new File(dir, dirName); |
| tempDir.mkdirs(); |
| return tempDir; |
| } |
| |
| public BufferAllocator allocator() { return allocator; } |
| public DrillConfig config() { return config; } |
| |
| /** |
| * Party over enough memory that the uninitialized nature of |
| * vectors under the new writers will cause test to fail if |
| * the writer's don't correctly fill in all values. |
| */ |
| |
| public void dirtyMemory(int blockCount) { |
| dirtyMemory(allocator, blockCount); |
| } |
| |
| public static void dirtyMemory(BufferAllocator allocator, int blockCount) { |
| DrillBuf bufs[] = new DrillBuf[blockCount]; |
| for (int i = 0; i < bufs.length; i++) { |
| bufs[i] = allocator.buffer(ValueVector.MAX_BUFFER_SIZE); |
| for (int j = 0; j < ValueVector.MAX_BUFFER_SIZE / 4; j++) { |
| bufs[i].setInt(j * 4, 0xdeadbeef); |
| } |
| } |
| for (int i = 0; i < bufs.length; i++) { |
| bufs[i].close(); |
| } |
| } |
| } |