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* 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
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
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package org.apache.cayenne.di.spi;
import org.apache.cayenne.di.Binder;
import org.apache.cayenne.di.Module;
import org.apache.cayenne.di.mock.MockImplementation1;
import org.apache.cayenne.di.mock.MockInterface1;
import org.apache.cayenne.di.mock.MockInterface1_Decorator1;
import org.apache.cayenne.di.mock.MockInterface1_Decorator2;
import org.apache.cayenne.di.mock.MockInterface1_Decorator3;
import org.apache.cayenne.di.mock.MockInterface1_Decorator4;
import org.apache.cayenne.di.mock.MockInterface1_Decorator5;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
public class DefaultInjectorDecorationTest {
@Test
public void testSingleDecorator_After() {
Module module = new Module() {
@Override
public void configure(Binder binder) {
binder.bind(MockInterface1.class).to(MockImplementation1.class);
binder.decorate(MockInterface1.class).after(MockInterface1_Decorator1.class);
}
};
DefaultInjector injector = new DefaultInjector(module);
MockInterface1 service = injector.getInstance(MockInterface1.class);
assertNotNull(service);
assertEquals("[MyName]", service.getName());
}
@Test
public void testSingleDecorator_Before() {
Module module = new Module() {
@Override
public void configure(Binder binder) {
binder.bind(MockInterface1.class).to(MockImplementation1.class);
binder.decorate(MockInterface1.class).before(MockInterface1_Decorator1.class);
}
};
DefaultInjector injector = new DefaultInjector(module);
MockInterface1 service = injector.getInstance(MockInterface1.class);
assertNotNull(service);
assertEquals("[MyName]", service.getName());
}
@Test
public void testDecoratorChain() {
Module module = new Module() {
@Override
public void configure(Binder binder) {
binder.bind(MockInterface1.class).to(MockImplementation1.class);
binder.decorate(MockInterface1.class).before(MockInterface1_Decorator1.class);
binder.decorate(MockInterface1.class).before(MockInterface1_Decorator2.class);
binder.decorate(MockInterface1.class).after(MockInterface1_Decorator3.class);
}
};
DefaultInjector injector = new DefaultInjector(module);
MockInterface1 service = injector.getInstance(MockInterface1.class);
assertNotNull(service);
assertEquals("<[{MyName}]>", service.getName());
}
@Test
public void testSingleDecorator_Provider_ConstructorInjection() {
Module module = new Module() {
@Override
public void configure(Binder binder) {
binder.bind(MockInterface1.class).to(MockImplementation1.class);
binder.decorate(MockInterface1.class).before(MockInterface1_Decorator4.class);
}
};
DefaultInjector injector = new DefaultInjector(module);
MockInterface1 service = injector.getInstance(MockInterface1.class);
assertNotNull(service);
assertEquals("[4MyName4]", service.getName());
}
@Test
public void testSingleDecorator_Provider_FieldInjection() {
Module module = new Module() {
@Override
public void configure(Binder binder) {
binder.bind(MockInterface1.class).to(MockImplementation1.class);
binder.decorate(MockInterface1.class).before(MockInterface1_Decorator5.class);
}
};
DefaultInjector injector = new DefaultInjector(module);
MockInterface1 service = injector.getInstance(MockInterface1.class);
assertNotNull(service);
assertEquals("[5MyName5]", service.getName());
}
}