| /** |
| * 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.oozie.tools; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| import static org.mockito.Mockito.when; |
| |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdfs.DistributedFileSystem; |
| import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies; |
| import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies.ReplicationPolicy; |
| import org.apache.hadoop.ipc.RemoteException; |
| import org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcResponseHeaderProto.RpcErrorCodeProto; |
| import org.apache.oozie.tools.ECPolicyDisabler.Result; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| |
| /** |
| * Test for the Erasure Coding disabler code. |
| */ |
| public class TestECPolicyDisabler { |
| |
| static abstract class MockDistributedFileSystem extends DistributedFileSystem { |
| public abstract SystemErasureCodingPolicies.ReplicationPolicy getErasureCodingPolicy(Path path); |
| public abstract void setErasureCodingPolicy(Path path, String policy); |
| } |
| |
| @Before |
| public void setup() { |
| SystemErasureCodingPolicies.setSystemPolicy(ReplicationPolicy.DEFAULT); |
| } |
| |
| @Test |
| public void testNotSupported() { |
| FileSystem fs = mock(FileSystem.class); |
| ECPolicyDisabler.Result result = ECPolicyDisabler.check(fs, null); |
| Assert.assertEquals("result is expected", Result.NOT_SUPPORTED, result); |
| } |
| |
| @Test |
| public void testOkNotChanged() { |
| MockDistributedFileSystem fs = mock(MockDistributedFileSystem.class); |
| when(fs.getErasureCodingPolicy(any())).thenReturn(ReplicationPolicy.DEFAULT); |
| ECPolicyDisabler.Result result = ECPolicyDisabler.check(fs, null); |
| assertEquals("result is expected", Result.ALREADY_SET, result); |
| verify(fs).getErasureCodingPolicy(any()); |
| verifyNoMoreInteractions(fs); |
| } |
| |
| @Test |
| public void testOkChanged() { |
| MockDistributedFileSystem fs = mock(MockDistributedFileSystem.class); |
| when(fs.getErasureCodingPolicy(any())).thenReturn(ReplicationPolicy.OTHER); |
| ECPolicyDisabler.Result result = ECPolicyDisabler.check(fs, null); |
| assertEquals("result is expected", Result.DONE, result); |
| verify(fs).getErasureCodingPolicy(any()); |
| verify(fs).setErasureCodingPolicy(any(), eq("DEFAULT")); |
| verifyNoMoreInteractions(fs); |
| } |
| |
| @Test |
| public void testServerNotSupports() { |
| MockDistributedFileSystem fs = mock(MockDistributedFileSystem.class); |
| when(fs.getErasureCodingPolicy(any())).thenReturn(ReplicationPolicy.OTHER); |
| Mockito.doThrow(createNoSuchMethodException()).when(fs).setErasureCodingPolicy(any(), any()); |
| ECPolicyDisabler.Result result = ECPolicyDisabler.check(fs, null); |
| assertEquals("result is expected", Result.NO_SUCH_METHOD, result); |
| verify(fs).getErasureCodingPolicy(any()); |
| verify(fs).setErasureCodingPolicy(any(), eq("DEFAULT")); |
| verifyNoMoreInteractions(fs); |
| } |
| |
| @Test |
| public void testServerNotSupportsGetErasureCodingPolicyMethod() { |
| MockDistributedFileSystem fs = mock(MockDistributedFileSystem.class); |
| when(fs.getErasureCodingPolicy(any(Path.class))).thenThrow(createNoSuchMethodException()); |
| ECPolicyDisabler.Result result = ECPolicyDisabler.check(fs, mock(Path.class)); |
| assertEquals("result is expected", Result.NO_SUCH_METHOD, result); |
| verify(fs).getErasureCodingPolicy(any(Path.class)); |
| verifyNoMoreInteractions(fs); |
| } |
| |
| @Test |
| public void testServerNotSupportsGetName() { |
| MockDistributedFileSystem fs = mock(MockDistributedFileSystem.class); |
| when(fs.getErasureCodingPolicy(any())).thenReturn(ReplicationPolicy.OTHER); |
| |
| ReplicationPolicy mockPolicy = mock(ReplicationPolicy.class); |
| SystemErasureCodingPolicies.setSystemPolicy(mockPolicy); |
| when(mockPolicy.getName()).thenThrow(createNoSuchMethodException()); |
| ECPolicyDisabler.Result result = ECPolicyDisabler.check(fs, null); |
| assertEquals("result is expected", Result.NO_SUCH_METHOD, result); |
| verify(fs).getErasureCodingPolicy(any()); |
| verifyNoMoreInteractions(fs); |
| } |
| |
| @Test |
| public void testServerNotSupportsSetErasureCodingPolicyMethod() { |
| MockDistributedFileSystem fs = mock(MockDistributedFileSystem.class); |
| when(fs.getErasureCodingPolicy(any())).thenReturn(ReplicationPolicy.OTHER); |
| Mockito.doThrow(createNoSuchMethodException()).when(fs).setErasureCodingPolicy(any(), any()); |
| ECPolicyDisabler.Result result = ECPolicyDisabler.check(fs, null); |
| assertEquals("result is expected", Result.NO_SUCH_METHOD, result); |
| verify(fs).getErasureCodingPolicy(any()); |
| verify(fs).setErasureCodingPolicy(any(), eq("DEFAULT")); |
| verifyNoMoreInteractions(fs); |
| } |
| |
| @Test |
| public void testOtherRuntimeExceptionThrown() { |
| MockDistributedFileSystem fs = mock(MockDistributedFileSystem.class); |
| when(fs.getErasureCodingPolicy(any())).thenReturn(ReplicationPolicy.OTHER); |
| Mockito.doThrow(new RuntimeException("mock io exception")).when(fs).setErasureCodingPolicy(any(), any()); |
| try { |
| ECPolicyDisabler.check(fs, null); |
| Assert.fail("exception expected"); |
| } catch (RuntimeException e) { |
| assertNotNull("runtime exception got", e); |
| } |
| verify(fs).getErasureCodingPolicy(any()); |
| verify(fs).setErasureCodingPolicy(any(), eq("DEFAULT")); |
| verifyNoMoreInteractions(fs); |
| } |
| |
| private RuntimeException createNoSuchMethodException() { |
| return new RuntimeException(new RemoteException("test", "error", RpcErrorCodeProto.ERROR_NO_SUCH_METHOD)); |
| } |
| } |