sv2000 commented on a change in pull request #3074: URL: https://github.com/apache/incubator-gobblin/pull/3074#discussion_r468173008
########## File path: gobblin-yarn/src/test/java/org/apache/gobblin/yarn/GobblinYarnTestUtils.java ########## @@ -0,0 +1,78 @@ +/* + * 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.gobblin.yarn; + +import java.io.IOException; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.fs.FileSystem; +import org.apache.hadoop.fs.FileSystemTestHelper; +import org.apache.hadoop.fs.Path; +import org.apache.hadoop.io.Text; +import org.apache.hadoop.security.Credentials; +import org.apache.hadoop.security.token.Token; +import org.apache.hadoop.security.token.TokenIdentifier; +import org.mockito.Mockito; +import org.mockito.invocation.InvocationOnMock; +import org.mockito.stubbing.Answer; + +/** + * Utility class + */ +public class GobblinYarnTestUtils { + /** + * A utility method for generating a {@link org.apache.hadoop.fs.FileSystemTestHelper.MockFileSystem} instance + * that can return a delegation token on {@link org.apache.hadoop.fs.FileSystem#getDelegationToken(String)}. + * + * @param service + * @return + * @throws IOException + */ + public static FileSystemTestHelper.MockFileSystem createFileSystemForServiceName(final String service) + throws IOException { + FileSystemTestHelper.MockFileSystem mockFs = new FileSystemTestHelper.MockFileSystem(); + Mockito.when(mockFs.getCanonicalServiceName()).thenReturn(service); + Mockito.when(mockFs.getDelegationToken(Mockito.any(String.class))).thenAnswer(new Answer<Token<?>>() { + int unique = 0; + @Override + public Token<?> answer(InvocationOnMock invocation) throws Throwable { + Token<?> token = new Token<TokenIdentifier>(); + token.setService(new Text(service)); + // use unique value so when we restore from token storage, we can + // tell if it's really the same token + token.setKind(new Text("token" + unique++)); + return token; + } + }); + return mockFs; + } + + /** + * Writes a token file to a given path. + * @param path + * @param serviceName + * @throws IOException + */ + public static void createTokenFileForService(Path path, String serviceName) Review comment: Currently, the method uses ClassLoader#getResource to locate the file. So the test will have to add the resource dynamically into classpath, which involves hacky workarounds. https://stackoverflow.com/questions/1010919/adding-files-to-java-classpath-at-runtime ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
