| /* |
| * 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.sysds.test.usertest; |
| |
| import java.io.BufferedReader; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.PrintStream; |
| |
| import org.apache.commons.lang3.tuple.ImmutablePair; |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.apache.sysds.api.DMLScript; |
| |
| public class Base { |
| public final static String BASE_FOLDER = "src/test/scripts/usertest/"; |
| |
| /** |
| * Run the system in a different JVM |
| * |
| * @param script a path to the script to execute. |
| * @return A pair of standard out and standard error. |
| */ |
| public static Pair<String, String> runProcess(String script) { |
| String fullDMLScriptName = BASE_FOLDER + script; |
| |
| String separator = System.getProperty("file.separator"); |
| String classpath = System.getProperty("java.class.path"); |
| String path = System.getProperty("java.home") + separator + "bin" + separator + "java"; |
| ProcessBuilder processBuilder = new ProcessBuilder(path, "-cp", classpath, DMLScript.class.getName(), "-f", |
| fullDMLScriptName); |
| |
| StringBuilder stdout = new StringBuilder(); |
| StringBuilder stderr = new StringBuilder(); |
| try { |
| Process process = processBuilder.start(); |
| |
| BufferedReader output = new BufferedReader(new InputStreamReader(process.getInputStream())); |
| BufferedReader error = new BufferedReader(new InputStreamReader(process.getErrorStream())); |
| |
| Thread t = new Thread(() -> { |
| output.lines().forEach(s -> stdout.append("\n" + s)); |
| }); |
| |
| Thread te = new Thread(() -> { |
| error.lines().forEach(s -> stderr.append("\n" + s)); |
| }); |
| |
| t.start(); |
| te.start(); |
| |
| process.waitFor(); |
| t.join(); |
| te.join(); |
| } |
| catch(IOException | InterruptedException e) { |
| e.printStackTrace(); |
| } |
| return new ImmutablePair<>(stdout.toString(), stderr.toString()); |
| } |
| |
| public static Pair<String, String> runThread(String script) { |
| String fullDMLScriptName = BASE_FOLDER + script; |
| return runThread(new String[]{"-f", fullDMLScriptName}); |
| } |
| |
| public static Pair<String, String> runThread(String[] args) { |
| Thread t = new Thread(() -> { |
| DMLScript.main(args); |
| }); |
| |
| ByteArrayOutputStream buff = new ByteArrayOutputStream(); |
| ByteArrayOutputStream buffErr = new ByteArrayOutputStream(); |
| PrintStream old = System.out; |
| PrintStream oldErr = System.err; |
| System.setOut(new PrintStream(buff)); |
| System.setErr(new PrintStream(buffErr)); |
| |
| t.start(); |
| try { |
| t.join(); |
| } |
| catch(InterruptedException e) { |
| e.printStackTrace(); |
| } |
| |
| System.setOut(old); |
| System.setErr(oldErr); |
| |
| return new ImmutablePair<>(buff.toString(), buffErr.toString()); |
| } |
| } |