| /** |
| * Copyright (C) 2012 Google Inc. |
| * |
| * Licensed 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 com.google.inject.servlet; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.inject.AbstractModule; |
| import com.google.inject.Guice; |
| import com.google.inject.Injector; |
| import com.google.inject.Key; |
| import com.google.inject.OutOfScopeException; |
| import com.google.inject.Provides; |
| |
| import junit.framework.TestCase; |
| |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| // TODO: Add test for HTTP transferring. |
| /** |
| * Tests transferring of entire request scope. |
| */ |
| |
| public class TransferRequestIntegrationTest extends TestCase { |
| private final Callable<Boolean> FALSE_CALLABLE = new Callable<Boolean>() { |
| @Override public Boolean call() { |
| return false; |
| } |
| }; |
| |
| public void testTransferHttp_outOfScope() { |
| try { |
| ServletScopes.transferRequest(FALSE_CALLABLE); |
| fail(); |
| } catch (OutOfScopeException expected) {} |
| } |
| |
| public void testTransferNonHttp_outOfScope() { |
| try { |
| ServletScopes.transferRequest(FALSE_CALLABLE); |
| fail(); |
| } catch (OutOfScopeException expected) {} |
| } |
| |
| public void testTransferNonHttpRequest() throws Exception { |
| final Injector injector = Guice.createInjector(new AbstractModule() { |
| @Override protected void configure() { |
| bindScope(RequestScoped.class, ServletScopes.REQUEST); |
| } |
| |
| @Provides @RequestScoped Object provideObject() { |
| return new Object(); |
| } |
| }); |
| |
| Callable<Callable<Boolean>> callable = new Callable<Callable<Boolean>>() { |
| @Override public Callable<Boolean> call() { |
| final Object original = injector.getInstance(Object.class); |
| return ServletScopes.transferRequest(new Callable<Boolean>() { |
| @Override public Boolean call() { |
| return original == injector.getInstance(Object.class); |
| } |
| }); |
| } |
| }; |
| |
| ImmutableMap<Key<?>, Object> seedMap = ImmutableMap.of(); |
| Callable<Boolean> transfer = ServletScopes.scopeRequest(callable, seedMap).call(); |
| |
| ExecutorService executor = Executors.newSingleThreadExecutor(); |
| assertTrue(executor.submit(transfer).get()); |
| executor.shutdownNow(); |
| } |
| |
| public void testTransferNonHttpRequest_concurrentUseBlocks() throws Exception { |
| Callable<Boolean> callable = new Callable<Boolean>() { |
| @Override public Boolean call() throws Exception { |
| ExecutorService executor = Executors.newSingleThreadExecutor(); |
| try { |
| Future<Boolean> future = executor.submit(ServletScopes.transferRequest(FALSE_CALLABLE)); |
| try { |
| return future.get(100, TimeUnit.MILLISECONDS); |
| } catch (TimeoutException e) { |
| return true; |
| } |
| } finally { |
| executor.shutdownNow(); |
| } |
| } |
| }; |
| |
| ImmutableMap<Key<?>, Object> seedMap = ImmutableMap.of(); |
| assertTrue(ServletScopes.scopeRequest(callable, seedMap).call()); |
| } |
| |
| public void testTransferNonHttpRequest_concurrentUseSameThreadOk() throws Exception { |
| Callable<Boolean> callable = new Callable<Boolean>() { |
| @Override public Boolean call() throws Exception { |
| return ServletScopes.transferRequest(FALSE_CALLABLE).call(); |
| } |
| }; |
| |
| ImmutableMap<Key<?>, Object> seedMap = ImmutableMap.of(); |
| assertFalse(ServletScopes.scopeRequest(callable, seedMap).call()); |
| } |
| } |