| /** |
| * 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.flink.runtime.util; |
| |
| import org.apache.flink.runtime.util.jartestprogram.FilterLambda1; |
| import org.apache.flink.runtime.util.jartestprogram.FilterLambda2; |
| import org.apache.flink.runtime.util.jartestprogram.FilterLambda3; |
| import org.apache.flink.runtime.util.jartestprogram.FilterLambda4; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.jar.JarInputStream; |
| import java.util.zip.ZipEntry; |
| |
| /** |
| * Tests for the {@link JarFileCreator}. |
| */ |
| public class JarFileCreatorLambdaTest { |
| @Test |
| public void testFilterFunctionOnLambda1() throws Exception { |
| File out = new File(System.getProperty("java.io.tmpdir"), "jarcreatortest.jar"); |
| JarFileCreator jfc = new JarFileCreator(out); |
| jfc.addClass(FilterLambda1.class) |
| .createJarFile(); |
| |
| Set<String> ans = new HashSet<String>(); |
| ans.add("org/apache/flink/runtime/util/jartestprogram/FilterLambda1.class"); |
| ans.add("org/apache/flink/runtime/util/jartestprogram/WordFilter.class"); |
| |
| Assert.assertTrue("Jar file for java 8 lambda is not correct", validate(ans, out)); |
| out.delete(); |
| } |
| |
| @Test |
| public void testFilterFunctionOnLambda2() throws Exception{ |
| File out = new File(System.getProperty("java.io.tmpdir"), "jarcreatortest.jar"); |
| JarFileCreator jfc = new JarFileCreator(out); |
| jfc.addClass(FilterLambda2.class) |
| .createJarFile(); |
| |
| Set<String> ans = new HashSet<String>(); |
| ans.add("org/apache/flink/runtime/util/jartestprogram/FilterLambda2.class"); |
| ans.add("org/apache/flink/runtime/util/jartestprogram/WordFilter.class"); |
| |
| Assert.assertTrue("Jar file for java 8 lambda is not correct", validate(ans, out)); |
| out.delete(); |
| } |
| |
| @Test |
| public void testFilterFunctionOnLambda3() throws Exception { |
| File out = new File(System.getProperty("java.io.tmpdir"), "jarcreatortest.jar"); |
| JarFileCreator jfc = new JarFileCreator(out); |
| jfc.addClass(FilterLambda3.class) |
| .createJarFile(); |
| |
| Set<String> ans = new HashSet<String>(); |
| ans.add("org/apache/flink/runtime/util/jartestprogram/FilterLambda3.class"); |
| ans.add("org/apache/flink/runtime/util/jartestprogram/WordFilter.class"); |
| ans.add("org/apache/flink/runtime/util/jartestprogram/UtilFunction.class"); |
| |
| Assert.assertTrue("Jar file for java 8 lambda is not correct", validate(ans, out)); |
| out.delete(); |
| } |
| |
| @Test |
| public void testFilterFunctionOnLambda4() throws Exception { |
| File out = new File(System.getProperty("java.io.tmpdir"), "jarcreatortest.jar"); |
| JarFileCreator jfc = new JarFileCreator(out); |
| jfc.addClass(FilterLambda4.class) |
| .createJarFile(); |
| |
| Set<String> ans = new HashSet<String>(); |
| ans.add("org/apache/flink/runtime/util/jartestprogram/FilterLambda4.class"); |
| ans.add("org/apache/flink/runtime/util/jartestprogram/WordFilter.class"); |
| ans.add("org/apache/flink/runtime/util/jartestprogram/UtilFunctionWrapper$UtilFunction.class"); |
| |
| Assert.assertTrue("Jar file for java 8 lambda is not correct", validate(ans, out)); |
| out.delete(); |
| } |
| |
| public boolean validate(Set<String> expected, File out) throws Exception { |
| int count = expected.size(); |
| try (JarInputStream jis = new JarInputStream(new FileInputStream(out))) { |
| ZipEntry ze; |
| while ((ze = jis.getNextEntry()) != null) { |
| count--; |
| expected.remove(ze.getName()); |
| } |
| } |
| return count == 0 && expected.size() == 0; |
| } |
| } |