/*
* 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.wicket.guice;
import java.lang.annotation.Annotation;
import java.util.HashMap;
import java.util.Map;
import javax.inject.Named;
import org.apache.wicket.Session;
import org.apache.wicket.ThreadContext;
import org.apache.wicket.core.util.lang.WicketObjects;
import org.apache.wicket.mock.MockApplication;
import org.apache.wicket.mock.MockWebRequest;
import org.apache.wicket.protocol.http.WebSession;
import org.apache.wicket.protocol.http.mock.MockServletContext;
import org.apache.wicket.request.Url;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.Provider;
import com.google.inject.TypeLiteral;
import com.google.inject.name.Names;
/**
*/
public abstract class AbstractInjectorTest extends Assert
{
protected abstract TestNoComponentInterface newTestNoComponent();
protected abstract TestComponentInterface newTestComponent(String id);
private final MockApplication app = new MockApplication();
@Before
public void before()
{
app.setServletContext(new MockServletContext(app, null));
ThreadContext.setApplication(app);
app.setName(getClass().getName());
app.initApplication();
Session session = new WebSession(new MockWebRequest(Url.parse("/")));
app.getSessionStore().bind(null, session);
ThreadContext.setSession(session);
GuiceComponentInjector injector = new GuiceComponentInjector(app, new Module()
{
@Override
public void configure(final Binder binder)
{
binder.bind(ITestService.class).to(TestService.class);
binder.bind(ITestService.class)
.annotatedWith(Red.class)
.to(TestServiceRed.class);
binder.bind(ITestService.class)
.annotatedWith(Blue.class)
.to(TestServiceBlue.class);
binder.bind(new TypeLiteral<Map<String, String>>()
{
}).toProvider(new Provider<Map<String, String>>()
{
@Override
public Map<String, String> get()
{
Map<String, String> strings = new HashMap<>();
strings.put(ITestService.RESULT, ITestService.RESULT);
return strings;
}
});
binder.bind(String.class).annotatedWith(Names.named("named1")).toInstance("NAMED_1");
binder.bind(String.class).annotatedWith(Names.named("named2")).toInstance("NAMED_2");
binder.bind(String.class).annotatedWith(new Jsr330Named("named1")).toInstance("NAMED_1");
binder.bind(String.class).annotatedWith(new Jsr330Named("named2")).toInstance("NAMED_2");
}
});
app.getComponentInstantiationListeners().add(injector);
}
@After
public void after()
{
app.internalDestroy();
ThreadContext.detach();
}
/**
* testInjectionAndSerialization()
*/
@Test
public void testInjectionAndSerialization()
{
// Create a new component, which should be automatically injected,
// and test to make sure the injection has worked.
TestComponentInterface testComponent = newTestComponent("id");
doChecksForComponent(testComponent);
// Serialize and deserialize the object, and check it still works.
TestComponentInterface clonedComponent = (TestComponentInterface)WicketObjects.cloneObject(testComponent);
doChecksForComponent(clonedComponent);
// Test injection of a class that does not extend Component
TestNoComponentInterface noncomponent = newTestNoComponent();
doChecksForNoComponent(noncomponent);
}
private void doChecksForNoComponent(final TestNoComponentInterface noncomponent)
{
assertEquals(ITestService.RESULT_RED, noncomponent.getString());
}
private void doChecksForComponent(final TestComponentInterface component)
{
assertEquals(ITestService.RESULT, component.getInjectedField().getString());
assertEquals(null, component.getInjectedOptionalField());
assertEquals(ITestService.RESULT_RED, component.getInjectedFieldRed().getString());
assertEquals(ITestService.RESULT_BLUE, component.getInjectedFieldBlue().getString());
assertEquals(ITestService.RESULT, component.getInjectedFieldProvider().get().getString());
assertEquals(ITestService.RESULT,
component.getInjectedTypeLiteralField().get(ITestService.RESULT));
assertEquals("NAMED_1", component.getNamed1());
assertEquals("NAMED_2", component.getNamed2());
}
/**
* Helper class to make binding of an instance of javax.inject.Named less verbose
*/
private static class Jsr330Named implements Named
{
private final String name;
private Jsr330Named(String name)
{
this.name = name;
}
@Override
public String value()
{
return name;
}
@Override
public Class<? extends Annotation> annotationType()
{
return Named.class;
}
}
}