examples/cdi-interceptors/src/test/java/org/superbiz/cdi/bookshow/interceptors/BookForAShowTwoInterceptorsAppiledTest.java

/**
 * 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.superbiz.cdi.bookshow.interceptors;

import junit.framework.TestCase;
import org.superbiz.cdi.bookshow.beans.BookForAShowTwoInterceptorsApplied;
import org.superbiz.cdi.bookshow.tracker.InterceptionOrderTracker;

import javax.ejb.EJB;
import javax.ejb.embeddable.EJBContainer;
import java.util.List;

public class BookForAShowTwoInterceptorsAppiledTest extends TestCase {

    @EJB
    private BookForAShowTwoInterceptorsApplied bookForAShowBean;
    EJBContainer ejbContainer;

    /**
     * Bootstrap the Embedded EJB Container
     *
     * @throws Exception
     */
    protected void setUp() throws Exception {
        ejbContainer = EJBContainer.createEJBContainer();
        ejbContainer.getContext().bind("inject", this);
    }

    /**
     * Interceptors should be applied in order as defined in beans.xml
     */
    public void testInterceptorsShouldBeAppliedInOrder() {
        // action
        bookForAShowBean.getDiscountedPrice(100);
        // verify
        List<String> interceptedByList = InterceptionOrderTracker.getInterceptedByList();
        int indexOfLogger = interceptedByList.indexOf("BookForAShowLoggingInterceptor");
        int indexOfTimeBasedRestrictor = interceptedByList.indexOf("TimeBasedRestrictingInterceptor");
        assertTrue(indexOfLogger < indexOfTimeBasedRestrictor);
    }

    public void testTwoInterceptorsWereInvoked() {
        // action
        bookForAShowBean.getDiscountedPrice(100);
        // verify
        List<String> interceptedByList = InterceptionOrderTracker.getInterceptedByList();
        assertTrue(interceptedByList.contains("BookForAShowLoggingInterceptor") && interceptedByList.contains("TimeBasedRestrictingInterceptor"));
    }

    protected void tearDown() {
        // clear the lists after each test
        InterceptionOrderTracker.getInterceptedByList().clear();
        InterceptionOrderTracker.getMethodsInterceptedList().clear();
        ejbContainer.close();
    }
}