| /** |
| * 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.hadoop.registry.client.impl; |
| |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileAlreadyExistsException; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.PathIsNotEmptyDirectoryException; |
| import org.apache.hadoop.fs.PathNotFoundException; |
| import org.apache.hadoop.registry.client.exceptions.InvalidPathnameException; |
| import org.apache.hadoop.registry.client.types.ServiceRecord; |
| import org.apache.hadoop.registry.client.types.yarn.YarnRegistryAttributes; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| |
| /** |
| * FSRegistryOperationsService test, using the local filesystem. |
| */ |
| public class TestFSRegistryOperationsService { |
| private static FSRegistryOperationsService registry = |
| new FSRegistryOperationsService(); |
| private static FileSystem fs; |
| |
| @BeforeClass |
| public static void initRegistry() throws IOException { |
| Assert.assertNotNull(registry); |
| registry.init(new Configuration()); |
| fs = registry.getFs(); |
| fs.delete(new Path("test"), true); |
| } |
| |
| @Before |
| public void createTestDir() throws IOException { |
| fs.mkdirs(new Path("test")); |
| } |
| |
| @After |
| public void cleanTestDir() throws IOException { |
| fs.delete(new Path("test"), true); |
| } |
| |
| @Test |
| public void testMkNodeNonRecursive() |
| throws InvalidPathnameException, PathNotFoundException, IOException { |
| boolean result = false; |
| System.out.println("Make node with parent already made, nonrecursive"); |
| result = registry.mknode("test/registryTestNode", false); |
| Assert.assertTrue(result); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode"))); |
| |
| // Expected to fail |
| try { |
| System.out.println("Try to make node with no parent, nonrecursive"); |
| registry.mknode("test/parent/registryTestNode", false); |
| Assert.fail("Should not have created node"); |
| } catch (IOException e) { |
| } |
| Assert.assertFalse(fs.exists(new Path("test/parent/registryTestNode"))); |
| } |
| |
| @Test |
| public void testMkNodeRecursive() throws IOException { |
| boolean result = false; |
| System.out.println("Make node with parent already made, recursive"); |
| result = registry.mknode("test/registryTestNode", true); |
| Assert.assertTrue(result); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode"))); |
| |
| result = false; |
| System.out.println("Try to make node with no parent, recursive"); |
| result = registry.mknode("test/parent/registryTestNode", true); |
| Assert.assertTrue(result); |
| Assert.assertTrue(fs.exists(new Path("test/parent/registryTestNode"))); |
| |
| } |
| |
| @Test |
| public void testMkNodeAlreadyExists() throws IOException { |
| System.out.println("pre-create test path"); |
| fs.mkdirs(new Path("test/registryTestNode")); |
| |
| System.out.println( |
| "Try to mknode existing path -- should be noop and return false"); |
| Assert.assertFalse(registry.mknode("test/registryTestNode", true)); |
| Assert.assertFalse(registry.mknode("test/registryTestNode", false)); |
| } |
| |
| @Test |
| public void testBindParentPath() throws InvalidPathnameException, |
| PathNotFoundException, FileAlreadyExistsException, IOException { |
| ServiceRecord record = createRecord("0"); |
| |
| System.out.println("pre-create test path"); |
| fs.mkdirs(new Path("test/parent1/registryTestNode")); |
| |
| registry.bind("test/parent1/registryTestNode", record, 1); |
| Assert.assertTrue( |
| fs.exists(new Path("test/parent1/registryTestNode/_record"))); |
| |
| // Test without pre-creating path |
| registry.bind("test/parent2/registryTestNode", record, 1); |
| Assert.assertTrue(fs.exists(new Path("test/parent2/registryTestNode"))); |
| |
| } |
| |
| @Test |
| public void testBindAlreadyExists() throws IOException { |
| ServiceRecord record1 = createRecord("1"); |
| ServiceRecord record2 = createRecord("2"); |
| |
| System.out.println("Bind record1"); |
| registry.bind("test/registryTestNode", record1, 1); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode/_record"))); |
| |
| System.out.println("Bind record2, overwrite = 1"); |
| registry.bind("test/registryTestNode", record2, 1); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode/_record"))); |
| |
| // The record should have been overwritten |
| ServiceRecord readRecord = registry.resolve("test/registryTestNode"); |
| Assert.assertTrue(readRecord.equals(record2)); |
| |
| System.out.println("Bind record3, overwrite = 0"); |
| try { |
| registry.bind("test/registryTestNode", record1, 0); |
| Assert.fail("Should not overwrite record"); |
| } catch (IOException e) { |
| } |
| |
| // The record should not be overwritten |
| readRecord = registry.resolve("test/registryTestNode"); |
| Assert.assertTrue(readRecord.equals(record2)); |
| } |
| |
| @Test |
| public void testResolve() throws IOException { |
| ServiceRecord record = createRecord("0"); |
| registry.bind("test/registryTestNode", record, 1); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode/_record"))); |
| |
| System.out.println("Read record that exists"); |
| ServiceRecord readRecord = registry.resolve("test/registryTestNode"); |
| Assert.assertNotNull(readRecord); |
| Assert.assertTrue(record.equals(readRecord)); |
| |
| System.out.println("Try to read record that does not exist"); |
| try { |
| readRecord = registry.resolve("test/nonExistentNode"); |
| Assert.fail("Should throw an error, record does not exist"); |
| } catch (IOException e) { |
| } |
| } |
| |
| @Test |
| public void testExists() throws IOException { |
| System.out.println("pre-create test path"); |
| fs.mkdirs(new Path("test/registryTestNode")); |
| |
| System.out.println("Check for existing node"); |
| boolean exists = registry.exists("test/registryTestNode"); |
| Assert.assertTrue(exists); |
| |
| System.out.println("Check for non-existing node"); |
| exists = registry.exists("test/nonExistentNode"); |
| Assert.assertFalse(exists); |
| } |
| |
| @Test |
| public void testDeleteDirsOnly() throws IOException { |
| System.out.println("pre-create test path with children"); |
| fs.mkdirs(new Path("test/registryTestNode")); |
| fs.mkdirs(new Path("test/registryTestNode/child1")); |
| fs.mkdirs(new Path("test/registryTestNode/child2")); |
| |
| try { |
| registry.delete("test/registryTestNode", false); |
| Assert.fail("Deleted dir wich children, nonrecursive flag set"); |
| } catch (IOException e) { |
| } |
| // Make sure nothing was deleted |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode"))); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode/child1"))); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode/child2"))); |
| |
| System.out.println("Delete leaf path 'test/registryTestNode/child2'"); |
| registry.delete("test/registryTestNode/child2", false); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode"))); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode/child1"))); |
| Assert.assertFalse(fs.exists(new Path("test/registryTestNode/child2"))); |
| |
| System.out |
| .println("Recursively delete non-leaf path 'test/registryTestNode'"); |
| registry.delete("test/registryTestNode", true); |
| Assert.assertFalse(fs.exists(new Path("test/registryTestNode"))); |
| } |
| |
| @Test |
| public void testDeleteWithRecords() throws IOException { |
| System.out.println("pre-create test path with children and mocked records"); |
| |
| fs.mkdirs(new Path("test/registryTestNode")); |
| fs.mkdirs(new Path("test/registryTestNode/child1")); |
| fs.mkdirs(new Path("test/registryTestNode/child2")); |
| |
| // Create and close stream immediately so they aren't blocking |
| fs.create(new Path("test/registryTestNode/_record")).close(); |
| fs.create(new Path("test/registryTestNode/child1/_record")).close(); |
| |
| System.out.println("Delete dir with child nodes and record file"); |
| try { |
| registry.delete("test/registryTestNode", false); |
| Assert.fail("Nonrecursive delete of non-empty dir"); |
| } catch (PathIsNotEmptyDirectoryException e) { |
| } |
| |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode/_record"))); |
| Assert.assertTrue( |
| fs.exists(new Path("test/registryTestNode/child1/_record"))); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode/child2"))); |
| |
| System.out.println("Delete dir with record file and no child dirs"); |
| registry.delete("test/registryTestNode/child1", false); |
| Assert.assertFalse(fs.exists(new Path("test/registryTestNode/child1"))); |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode/child2"))); |
| |
| System.out.println("Delete dir with child dir and no record file"); |
| try { |
| registry.delete("test/registryTestNode", false); |
| Assert.fail("Nonrecursive delete of non-empty dir"); |
| } catch (PathIsNotEmptyDirectoryException e) { |
| } |
| Assert.assertTrue(fs.exists(new Path("test/registryTestNode/child2"))); |
| } |
| |
| @Test |
| public void testList() throws IOException { |
| System.out.println("pre-create test path with children and mocked records"); |
| |
| fs.mkdirs(new Path("test/registryTestNode")); |
| fs.mkdirs(new Path("test/registryTestNode/child1")); |
| fs.mkdirs(new Path("test/registryTestNode/child2")); |
| |
| // Create and close stream immediately so they aren't blocking |
| fs.create(new Path("test/registryTestNode/_record")).close(); |
| fs.create(new Path("test/registryTestNode/child1/_record")).close(); |
| |
| List<String> ls = null; |
| |
| ls = registry.list("test/registryTestNode"); |
| Assert.assertNotNull(ls); |
| Assert.assertEquals(2, ls.size()); |
| System.out.println(ls); |
| Assert.assertTrue(ls.contains("child1")); |
| Assert.assertTrue(ls.contains("child2")); |
| |
| ls = null; |
| ls = registry.list("test/registryTestNode/child1"); |
| Assert.assertNotNull(ls); |
| Assert.assertTrue(ls.isEmpty()); |
| ls = null; |
| ls = registry.list("test/registryTestNode/child2"); |
| Assert.assertNotNull(ls); |
| Assert.assertTrue(ls.isEmpty()); |
| } |
| |
| private ServiceRecord createRecord(String id) { |
| System.out.println("Creating mock service record"); |
| |
| ServiceRecord record = new ServiceRecord(); |
| record.set(YarnRegistryAttributes.YARN_ID, id); |
| record.description = "testRecord"; |
| return record; |
| } |
| } |