/*
* 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.jclouds.reflect;
import static org.easymock.EasyMock.createNiceMock;
import static org.easymock.EasyMock.expectLastCall;
import static org.easymock.EasyMock.replay;
import static org.jclouds.reflect.Reflection2.methods;
import java.lang.reflect.Method;
import java.lang.reflect.ReflectPermission;
import org.easymock.IAnswer;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
/**
* Tests {@link Reflection2#methods()} on core Java classes where
* reflective access may be limited by a {@link SecurityManager}.
*
* This test has been separated out into a separate class as it modifies
* a system-wide setting (the {@code SecurityManager}) and needs to perform
* cleanup to avoid affecting other tests.
*
* @author Andrew Phillips
*/
@Test(singleThreaded = true)
public class Reflection2CoreJavaClassesTest {
private SecurityManager originalSecurityManager;
private boolean securityManagerOverridden = false;
@BeforeClass
public void backupSecurityManager() {
originalSecurityManager = System.getSecurityManager();
}
public void testCoreJavaMethodsNotMadeAccessible(final Method testMethod) {
// a nice mock is required because plenty of other checks will be made
SecurityManager mockSecurityManager = createNiceMock(SecurityManager.class);
// clunky way of failing if the following method is ever called
mockSecurityManager.checkPermission(new ReflectPermission("suppressAccessChecks"));
expectLastCall().andStubAnswer(new IAnswer<Void>() {
@Override
public Void answer() throws Throwable {
try {
// generate a stacktrace
throw new Exception();
} catch(Exception exception) {
// fail *only* if being called from this test
for (StackTraceElement element : exception.getStackTrace()) {
if (element.getMethodName().equals(testMethod.getName())) {
throw new AssertionError("checkPermission(new ReflectPermission(\"suppressAccessChecks\")) should not be called");
}
}
}
return null;
}
});
replay(mockSecurityManager);
System.setSecurityManager(mockSecurityManager);
securityManagerOverridden = true;
methods(Enum.class);
}
@AfterClass(alwaysRun = true)
public void restoreSecurityManager() {
// will only be true if we have permission to set the SecurityManager
if (securityManagerOverridden) {
System.setSecurityManager(originalSecurityManager);
}
}
}