| /* |
| * 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.pig.test.junit; |
| |
| import static java.lang.annotation.ElementType.TYPE; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.Target; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.junit.runners.BlockJUnit4ClassRunner; |
| import org.junit.runners.model.FrameworkMethod; |
| import org.junit.runners.model.InitializationError; |
| |
| public class OrderedJUnit4Runner extends BlockJUnit4ClassRunner { |
| |
| @Retention(java.lang.annotation.RetentionPolicy.RUNTIME) |
| @Target(TYPE) |
| public @interface TestOrder { |
| String[] value(); |
| } |
| |
| private String testClassName; |
| private String[] orderedTestMethods; |
| private List<FrameworkMethod> methodsCustomOrder; |
| |
| public OrderedJUnit4Runner(Class<?> klass) throws InitializationError { |
| super(klass); |
| TestOrder testOrder = klass.getAnnotation(TestOrder.class); |
| if (testOrder != null) { |
| orderedTestMethods = testOrder.value(); |
| } |
| this.testClassName = klass.getName(); |
| } |
| |
| @Override |
| protected List<FrameworkMethod> computeTestMethods() { |
| List<FrameworkMethod> methodsReflectionOrder = super |
| .computeTestMethods(); |
| if (orderedTestMethods == null || orderedTestMethods.length == 0) { |
| return methodsReflectionOrder; |
| } else { |
| |
| if (methodsCustomOrder == null) { |
| // Check for duplicate test methods |
| Set<String> uniqueMethods = new HashSet<String>(); |
| Collections.addAll(uniqueMethods, orderedTestMethods); |
| if (uniqueMethods.size() != orderedTestMethods.length) { |
| throw new IllegalArgumentException( |
| "The TestOrder annotation in " + testClassName |
| + " has duplicate test method names"); |
| } |
| |
| methodsCustomOrder = new ArrayList<FrameworkMethod>(); |
| for (String method : orderedTestMethods) { |
| for (FrameworkMethod fMethod : methodsReflectionOrder) { |
| if (fMethod.getName().equals(method)) { |
| methodsCustomOrder.add(fMethod); |
| break; |
| } |
| } |
| } |
| |
| // Check for missing test methods |
| methodsReflectionOrder.removeAll(methodsCustomOrder); |
| if (methodsReflectionOrder.size() > 0) { |
| String tests = ""; |
| for (FrameworkMethod fMethod : methodsReflectionOrder) { |
| tests = tests + fMethod.getName(); |
| } |
| throw new IllegalArgumentException( |
| "The TestOrder annotation in " + testClassName |
| + " does not include the following tests which have @Test: " |
| + tests); |
| } |
| } |
| return methodsCustomOrder; |
| } |
| } |
| |
| } |