| package org.apache.maven.surefire.api.util; |
| |
| /* |
| * 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. |
| */ |
| |
| import org.junit.Test; |
| |
| import static org.fest.assertions.Assertions.assertThat; |
| |
| /** |
| * Unit test for {@link ReflectionUtils}. |
| * |
| * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a> |
| * @since 2.20.1 |
| */ |
| public class ReflectionUtilsTest |
| { |
| @Test |
| public void shouldReloadClass() throws Exception |
| { |
| ClassLoader cl = Thread.currentThread().getContextClassLoader(); |
| assertThat( ReflectionUtils.reloadClass( cl, new B() ) ) |
| .isEqualTo( B.class ); |
| } |
| |
| @Test( expected = RuntimeException.class ) |
| public void shouldNotInvokeStaticMethod() |
| { |
| ReflectionUtils.invokeStaticMethod( ReflectionUtilsTest.class, "notCallable", |
| new Class<?>[0], new Object[0] ); |
| } |
| |
| @Test |
| public void shouldInvokeStaticMethod() |
| { |
| Object o = ReflectionUtils.invokeStaticMethod( ReflectionUtilsTest.class, "callable", |
| new Class<?>[0], new Object[0] ); |
| assertThat( o ) |
| .isEqualTo( 3L ); |
| } |
| |
| @Test |
| public void shouldInvokeMethodChain() |
| { |
| Class<?>[] classes1 = { A.class, A.class }; |
| String[] chain = { "current", "pid" }; |
| Object o = ReflectionUtils.invokeMethodChain( classes1, chain, null ); |
| assertThat( o ) |
| .isEqualTo( 3L ); |
| |
| Class<?>[] classes2 = { A.class, A.class, B.class }; |
| String[] longChain = { "current", "createB", "pid" }; |
| o = ReflectionUtils.invokeMethodChain( classes2, longChain, null ); |
| assertThat( o ) |
| .isEqualTo( 1L ); |
| } |
| |
| @Test |
| public void shouldInvokeFallbackOnMethodChain() |
| { |
| Class<?>[] classes1 = { A.class, A.class }; |
| String[] chain = { "current", "abc" }; |
| Object o = ReflectionUtils.invokeMethodChain( classes1, chain, 5L ); |
| assertThat( o ) |
| .isEqualTo( 5L ); |
| |
| Class<?>[] classes2 = { A.class, B.class, B.class }; |
| String[] longChain = { "current", "createB", "abc" }; |
| o = ReflectionUtils.invokeMethodChain( classes2, longChain, 6L ); |
| assertThat( o ) |
| .isEqualTo( 6L ); |
| } |
| |
| private static void notCallable() |
| { |
| } |
| |
| public static long callable() |
| { |
| return 3L; |
| } |
| |
| static class A |
| { |
| public static A current() |
| { |
| return new A(); |
| } |
| |
| public long pid() |
| { |
| return 3L; |
| } |
| |
| public B createB() |
| { |
| return new B(); |
| } |
| } |
| |
| static class B |
| { |
| public long pid() |
| { |
| return 1L; |
| } |
| } |
| } |