/***
* Copyright (c) 2009 Caelum - www.caelum.com.br/opensource
* All rights reserved.
*
* 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 br.com.caelum.vraptor.ioc.pico;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
import org.junit.Before;
import org.junit.Test;
import org.picocontainer.MutablePicoContainer;
import org.picocontainer.PicoBuilder;
public class PicoBasedContainerTest {
public static class Fruit {
}
public static class Juice {
private final Fruit fruit;
public Juice(Fruit f) {
this.fruit = f;
}
}
private PicoBasedContainer container;
private MutablePicoContainer picoContainer;
@Before
public void setup() {
this.picoContainer = new PicoBuilder().withCaching().build();
this.container = new PicoBasedContainer(picoContainer);
}
@Test
public void shouldBeAbleToInstantiateABean() {
this.picoContainer.addComponent(Fruit.class);
assertThat(container.instanceFor(Fruit.class), is(notNullValue()));
}
@Test
public void shouldBeAbleToProvideAFruitButNotAJuice() {
this.picoContainer.addComponent(Fruit.class);
assertThat(container.canProvide(Fruit.class), is(true));
assertThat(container.canProvide(Juice.class), is(false));
}
@Test
public void shouldBeAbleToInstantiateADependentBean() {
this.picoContainer.addComponent(Fruit.class);
this.picoContainer.addComponent(Juice.class);
Fruit fruit = container.instanceFor(Fruit.class);
Juice juice = container.instanceFor(Juice.class);
assertThat(juice, is(notNullValue()));
assertThat(juice.fruit, is(equalTo(fruit)));
}
}