| /** |
| * 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.hdfs.server.datanode; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.RollingUpgradeStartupOption; |
| import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption; |
| import org.junit.Test; |
| |
| |
| /** |
| * Test enumerations in TestHdfsServerConstants. |
| */ |
| public class TestHdfsServerConstants { |
| |
| /** |
| * Verify that parsing a StartupOption string gives the expected results. |
| * If a RollingUpgradeStartupOption is specified than it is also checked. |
| * |
| * @param value |
| * @param expectedOption |
| * @param expectedRollupOption optional, may be null. |
| */ |
| private static void verifyStartupOptionResult(String value, |
| StartupOption expectedOption, |
| RollingUpgradeStartupOption expectedRollupOption) { |
| |
| StartupOption option = StartupOption.getEnum(value); |
| assertEquals(expectedOption, option); |
| |
| if (expectedRollupOption != null) { |
| assertEquals(expectedRollupOption, option.getRollingUpgradeStartupOption()); |
| } |
| } |
| |
| /** |
| * Test that we can parse a StartupOption string without the optional |
| * RollingUpgradeStartupOption. |
| */ |
| @Test |
| public void testStartupOptionParsing() { |
| verifyStartupOptionResult("FORMAT", StartupOption.FORMAT, null); |
| verifyStartupOptionResult("REGULAR", StartupOption.REGULAR, null); |
| verifyStartupOptionResult("CHECKPOINT", StartupOption.CHECKPOINT, null); |
| verifyStartupOptionResult("UPGRADE", StartupOption.UPGRADE, null); |
| verifyStartupOptionResult("ROLLBACK", StartupOption.ROLLBACK, null); |
| verifyStartupOptionResult("FINALIZE", StartupOption.FINALIZE, null); |
| verifyStartupOptionResult("ROLLINGUPGRADE", StartupOption.ROLLINGUPGRADE, null); |
| verifyStartupOptionResult("IMPORT", StartupOption.IMPORT, null); |
| verifyStartupOptionResult("INITIALIZESHAREDEDITS", StartupOption.INITIALIZESHAREDEDITS, null); |
| |
| try { |
| verifyStartupOptionResult("UNKNOWN(UNKNOWNOPTION)", StartupOption.FORMAT, null); |
| fail("Failed to get expected IllegalArgumentException"); |
| } catch(IllegalArgumentException iae) { |
| // Expected! |
| } |
| } |
| |
| /** |
| * Test that we can parse a StartupOption string with a |
| * RollingUpgradeStartupOption. |
| */ |
| @Test |
| public void testRollingUpgradeStartupOptionParsing() { |
| verifyStartupOptionResult("ROLLINGUPGRADE(ROLLBACK)", |
| StartupOption.ROLLINGUPGRADE, |
| RollingUpgradeStartupOption.ROLLBACK); |
| verifyStartupOptionResult("ROLLINGUPGRADE(DOWNGRADE)", |
| StartupOption.ROLLINGUPGRADE, |
| RollingUpgradeStartupOption.DOWNGRADE); |
| verifyStartupOptionResult("ROLLINGUPGRADE(STARTED)", |
| StartupOption.ROLLINGUPGRADE, |
| RollingUpgradeStartupOption.STARTED); |
| |
| try { |
| verifyStartupOptionResult("ROLLINGUPGRADE(UNKNOWNOPTION)", StartupOption.ROLLINGUPGRADE, null); |
| fail("Failed to get expected IllegalArgumentException"); |
| } catch(IllegalArgumentException iae) { |
| // Expected! |
| } |
| } |
| } |