| /* |
| * 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.bookkeeper.statelib.impl.rocksdb.checkpoint.dlog; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.io.ByteStreams; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.URI; |
| import java.nio.file.FileAlreadyExistsException; |
| import java.util.Collections; |
| import java.util.List; |
| import org.apache.bookkeeper.statelib.impl.rocksdb.checkpoint.fs.FSCheckpointManager; |
| import org.apache.distributedlog.DLMTestUtil; |
| import org.apache.distributedlog.DistributedLogConfiguration; |
| import org.apache.distributedlog.TestDistributedLogBase; |
| import org.apache.distributedlog.api.namespace.Namespace; |
| import org.apache.distributedlog.api.namespace.NamespaceBuilder; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TestName; |
| |
| /** |
| * Unit test of {@link FSCheckpointManager}. |
| */ |
| public class DLCheckpointStoreTest extends TestDistributedLogBase { |
| |
| private static final byte[] TEST_BYTES = "dlog-checkpoint-manager".getBytes(UTF_8); |
| |
| @Rule |
| public final TestName runtime = new TestName(); |
| |
| private URI uri; |
| private Namespace namespace; |
| private DLCheckpointStore store; |
| |
| @BeforeClass |
| public static void setupDL() throws Exception { |
| setupCluster(); |
| } |
| |
| @AfterClass |
| public static void teardownDL() throws Exception { |
| teardownCluster(); |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| this.uri = DLMTestUtil.createDLMURI(zkPort, "/" + runtime.getMethodName()); |
| ensureURICreated(this.uri); |
| this.namespace = NamespaceBuilder.newBuilder() |
| .conf(new DistributedLogConfiguration()) |
| .uri(uri) |
| .build(); |
| this.store = new DLCheckpointStore(namespace); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| if (null != store) { |
| store.close(); |
| } |
| } |
| |
| @Test |
| public void testListFilesEmpty() throws Exception { |
| // create a dummy log stream to ensure "dir" exists |
| namespace.createLog(runtime.getMethodName()); |
| assertTrue(store.listFiles(runtime.getMethodName()).isEmpty()); |
| } |
| |
| @Test |
| public void testListFilesNotFound() throws Exception { |
| assertTrue(store.listFiles(runtime.getMethodName()).isEmpty()); |
| } |
| |
| @Test |
| public void testListFiles() throws Exception { |
| int numFiles = 3; |
| List<String> expectedFiles = Lists.newArrayListWithExpectedSize(3); |
| |
| namespace.createLog(runtime.getMethodName()); |
| for (int i = 0; i < numFiles; ++i) { |
| String filename = runtime.getMethodName() + "-" + i; |
| expectedFiles.add(filename); |
| namespace.createLog(runtime.getMethodName() + "/" + filename); |
| } |
| List<String> files = store.listFiles(runtime.getMethodName()); |
| Collections.sort(files); |
| |
| assertEquals(expectedFiles, files); |
| } |
| |
| @Test |
| public void testFileExists() throws Exception { |
| namespace.createLog(runtime.getMethodName() + "/test"); |
| assertTrue(store.fileExists(runtime.getMethodName() + "/test")); |
| assertFalse(store.fileExists(runtime.getMethodName() + "/test2")); |
| } |
| |
| @Test |
| public void testFileRename() throws Exception { |
| namespace.createLog("src"); |
| namespace.createLog("dest"); |
| |
| String srcFilePath = "src/" + runtime.getMethodName(); |
| String destFilePath = "dest/" + runtime.getMethodName(); |
| OutputStream os = store.openOutputStream(srcFilePath); |
| os.write(TEST_BYTES); |
| os.flush(); |
| os.close(); |
| |
| store.rename(srcFilePath, destFilePath); |
| assertTrue(store.fileExists(destFilePath)); |
| assertFalse(store.fileExists(srcFilePath)); |
| |
| assertEquals(TEST_BYTES.length, store.getFileLength(destFilePath)); |
| |
| try (InputStream is = store.openInputStream(destFilePath)) { |
| byte[] readBytes = new byte[TEST_BYTES.length]; |
| ByteStreams.readFully(is, readBytes); |
| |
| assertArrayEquals(TEST_BYTES, readBytes); |
| } |
| } |
| |
| @Test |
| public void testFileRenameDirNotExists() throws Exception { |
| namespace.createLog("src"); |
| assertFalse(store.fileExists("dest")); |
| |
| String srcFilePath = "src/" + runtime.getMethodName(); |
| String destFilePath = "dest/" + runtime.getMethodName(); |
| |
| assertFalse(store.fileExists(srcFilePath)); |
| |
| OutputStream os = store.openOutputStream(srcFilePath); |
| os.write(TEST_BYTES); |
| os.flush(); |
| os.close(); |
| |
| // rename will automatically create stream path in dlog |
| store.rename(srcFilePath, destFilePath); |
| assertTrue(store.fileExists(destFilePath)); |
| assertFalse(store.fileExists(srcFilePath)); |
| |
| assertEquals(TEST_BYTES.length, store.getFileLength(destFilePath)); |
| |
| try (InputStream is = store.openInputStream(destFilePath)) { |
| byte[] readBytes = new byte[TEST_BYTES.length]; |
| ByteStreams.readFully(is, readBytes); |
| |
| assertArrayEquals(TEST_BYTES, readBytes); |
| } |
| } |
| |
| @Test |
| public void testFileRenameFileExists() throws Exception { |
| namespace.createLog("src"); |
| assertFalse(store.fileExists("dest")); |
| |
| String srcFilePath = "src/" + runtime.getMethodName(); |
| String destFilePath = "dest/" + runtime.getMethodName(); |
| namespace.createLog(destFilePath); |
| assertTrue(store.fileExists(destFilePath)); |
| |
| assertFalse(store.fileExists(srcFilePath)); |
| |
| OutputStream os = store.openOutputStream(srcFilePath); |
| os.write(TEST_BYTES); |
| os.flush(); |
| os.close(); |
| |
| assertTrue(store.fileExists(srcFilePath)); |
| |
| try { |
| store.rename(srcFilePath, destFilePath); |
| fail("Should fail to rename if the dest dir doesn't exist"); |
| } catch (FileAlreadyExistsException e) { |
| // expected |
| } |
| assertTrue(store.fileExists(destFilePath)); |
| assertTrue(store.fileExists(srcFilePath)); |
| assertEquals(0, store.getFileLength(destFilePath)); |
| } |
| |
| @Test |
| public void testDelete() throws Exception { |
| int numFiles = 3; |
| List<String> expectedFiles = Lists.newArrayListWithExpectedSize(3); |
| |
| namespace.createLog(runtime.getMethodName()); |
| for (int i = 0; i < numFiles; ++i) { |
| String filename = runtime.getMethodName() + "-" + i; |
| expectedFiles.add(filename); |
| namespace.createLog(runtime.getMethodName() + "/" + filename); |
| } |
| List<String> files = store.listFiles(runtime.getMethodName()); |
| Collections.sort(files); |
| |
| assertEquals(expectedFiles, files); |
| |
| store.delete(runtime.getMethodName()); |
| |
| assertFalse(store.fileExists(runtime.getMethodName())); |
| } |
| |
| @Test |
| public void testDeleteRecursively() throws Exception { |
| int numFiles = 3; |
| List<String> expectedFiles = Lists.newArrayListWithExpectedSize(3); |
| |
| namespace.createLog(runtime.getMethodName()); |
| for (int i = 0; i < numFiles; ++i) { |
| String filename = runtime.getMethodName() + "-" + i; |
| expectedFiles.add(filename); |
| namespace.createLog(runtime.getMethodName() + "/" + filename); |
| } |
| List<String> files = store.listFiles(runtime.getMethodName()); |
| Collections.sort(files); |
| |
| assertEquals(expectedFiles, files); |
| |
| store.delete(runtime.getMethodName()); |
| |
| assertFalse(store.fileExists(runtime.getMethodName())); |
| } |
| |
| } |