| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.sqoop.mapreduce.hcat; |
| |
| import static java.lang.Thread.currentThread; |
| import static org.junit.Assert.assertSame; |
| |
| import java.io.IOException; |
| |
| import org.apache.sqoop.testcategories.sqooptest.UnitTest; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category(UnitTest.class) |
| public class TestSqoopHCatUtilities { |
| |
| private static final String[] VALID_HCAT_ARGS = new String[] {"-h"}; |
| private static final String[] INVALID_HCAT_ARGS = new String[] {}; |
| |
| private SqoopHCatUtilities sqoopHCatUtilities; |
| private ClassLoader originalClassLoader; |
| |
| @Before |
| public void before() { |
| sqoopHCatUtilities = SqoopHCatUtilities.instance(); |
| originalClassLoader = currentThread().getContextClassLoader(); |
| } |
| |
| @Test |
| public void testOriginalClassLoaderIsRestoredWhenHCatCliIsInvokedWithValidArguments() throws IOException { |
| sqoopHCatUtilities.executeHCatProgramInProcess(VALID_HCAT_ARGS); |
| |
| assertSame(originalClassLoader, currentThread().getContextClassLoader()); |
| } |
| |
| @Test |
| public void testOriginalClassLoaderIsRestoredWhenHCatCliIsInvokedWithInvalidArguments() { |
| try { |
| sqoopHCatUtilities.executeHCatProgramInProcess(INVALID_HCAT_ARGS); |
| } catch (IOException e) { |
| // Exception is swallowed because we test the classloader value only. |
| } |
| |
| assertSame(originalClassLoader, currentThread().getContextClassLoader()); |
| } |
| |
| @Test(expected = IOException.class) |
| public void testExecuteHCatProgramInProcessThrowsWithInvalidArguments() throws IOException { |
| sqoopHCatUtilities.executeHCatProgramInProcess(INVALID_HCAT_ARGS); |
| } |
| } |