| /** |
| * 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; |
| |
| import static org.junit.Assert.*; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hdfs.server.namenode.ErasureCodingSchemaManager; |
| import org.apache.hadoop.io.erasurecode.ECSchema; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestECSchemas { |
| private MiniDFSCluster cluster; |
| |
| @Before |
| public void before() throws IOException { |
| cluster = new MiniDFSCluster.Builder(new Configuration()).numDataNodes(0) |
| .build(); |
| cluster.waitActive(); |
| } |
| |
| @After |
| public void after() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testGetECSchemas() throws Exception { |
| ECSchema[] ecSchemas = cluster.getFileSystem().getClient().getECSchemas(); |
| assertNotNull(ecSchemas); |
| assertTrue("Should have at least one schema", ecSchemas.length > 0); |
| } |
| } |