BT.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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,
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 * See the License for the specific language governing permissions and
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package org.xenei.junit.contract.exampleTests;

import org.junit.After;
import org.xenei.junit.contract.Contract;
import org.xenei.junit.contract.ContractTest;
import org.xenei.junit.contract.IProducer;

/**
 * An example Contract test for B interface.
 * 
 * Defining BT as a generic class with the type extending the type we are
 * testing (e.g. BT<T extends B>) ensures that there are no issues with
 * using derived classes in the tests.
 * 
 * The use of the Listener interface in the before and after methods are to
 * track that the tests are run correctly and in the proper order. This would
 * not be used in a production test but are part of our testing of
 * junit-contracts.
 * 
 * @param <T>
 *            The class that we are testing. Must extend B.
 */

// Define this as the contract test for the B interface
@Contract(B.class)
public class BT<T extends B> {

	private IProducer<T> producer;

	/**
	 * Set the producer that is used in this test.
	 * 
	 * @param producer
	 *            The producer to use for this test.
	 */
	@Contract.Inject
	public final void setProducer(IProducer<T> producer) {
		this.producer = producer;
	}

	protected final IProducer<T> getProducer() {
		return producer;
	}

	/**
	 * Test getBName()
	 */
	@ContractTest
	public void testGetBName() {
		Listener.add(getProducer().newInstance().getBName());
	}

	/**
	 * Clean up the producer.
	 */
	@After
	public final void cleanupBT() {
		getProducer().cleanUp();
	}

}