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/*
* 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.tuscany.sca.implementation.java.injection;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.List;
import org.apache.tuscany.sca.core.factory.ObjectFactory;
import org.junit.Before;
import org.junit.Test;
/**
* @version $Rev$ $Date$
*/
public class TestObjectFactoryTestCase {
private Constructor<Foo> ctor;
@Test
public void testConstructorInjection() throws Exception {
List<ObjectFactory> initializers = new ArrayList<ObjectFactory>();
initializers.add(new SingletonObjectFactory<String>("foo"));
TestObjectFactory<Foo> factory = new TestObjectFactory<Foo>(ctor, initializers);
Foo foo = factory.getInstance();
assertEquals("foo", foo.foo);
}
/**
* Verifies null parameters can be passed to a constructor. This is valid when a reference is optional during
* constructor injection
*/
@Test
public void testConstructorInjectionOptionalParam() throws Exception {
List<ObjectFactory> initializers = new ArrayList<ObjectFactory>();
initializers.add(null);
TestObjectFactory<Foo> factory = new TestObjectFactory<Foo>(ctor, initializers);
Foo foo = factory.getInstance();
assertNull(foo.foo);
}
@Test
public void testConstructorInitializerInjection() throws Exception {
TestObjectFactory<Foo> factory = new TestObjectFactory<Foo>(ctor);
factory.setInitializerFactory(0, new SingletonObjectFactory<String>("foo"));
Foo foo = factory.getInstance();
assertEquals("foo", foo.foo);
}
@Before
public void setUp() throws Exception {
ctor = Foo.class.getConstructor(String.class);
}
private static class Foo {
private String foo;
public Foo(String foo) {
this.foo = foo;
}
}
}
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