/** * 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.hive.hcatalog.templeton.tool; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.HashMap; import org.junit.Assert; import org.junit.Test; public class TestTrivialExecService { @Test public void test() { ArrayList<String> list = new ArrayList<String>(); list.add("echo"); list.add("success"); BufferedReader out = null; BufferedReader err = null; try { Process process = TrivialExecService.getInstance() .run(list, new ArrayList<String>(), new HashMap<String, String>()); out = new BufferedReader(new InputStreamReader( process.getInputStream())); err = new BufferedReader(new InputStreamReader( process.getErrorStream())); Assert.assertEquals("success", out.readLine()); out.close(); String line; while ((line = err.readLine()) != null) { Assert.fail(line); } process.waitFor(); } catch (Exception e) { e.printStackTrace(); Assert.fail("Process caused exception."); } finally { try { out.close(); } catch (Exception ex) { // Whatever. } try { err.close(); } catch (Exception ex) { // Whatever } } } }