commons-jcs-core/src/test/java/org/apache/commons/jcs3/auxiliary/lateral/LateralCacheNoWaitFacadeUnitTest.java

package org.apache.commons.jcs3.auxiliary.lateral;

import org.apache.commons.jcs3.auxiliary.lateral.behavior.ILateralCacheAttributes;

/*
 * 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.
 */

import junit.framework.TestCase;

/**
 * Tests for LateralCacheNoWaitFacade.
 */
public class LateralCacheNoWaitFacadeUnitTest
    extends TestCase
{
    /**
     * Verify that we can remove an item.
     */
    public void testAddThenRemoveNoWait_InList()
    {
        // SETUP
        @SuppressWarnings("unchecked")
        final
        LateralCacheNoWait<String, String>[] noWaits = new LateralCacheNoWait[0];
        final ILateralCacheAttributes cattr = new LateralCacheAttributes();
        cattr.setCacheName( "testCache1" );

        final LateralCacheNoWaitFacade<String, String> facade = new LateralCacheNoWaitFacade<>( null, noWaits, cattr );

        final LateralCache<String, String> cache = new LateralCache<>( cattr );
        final LateralCacheNoWait<String, String> noWait = new LateralCacheNoWait<>( cache );

        // DO WORK
        facade.addNoWait( noWait );

        // VERIFY
        assertTrue( "Should be in the list.", facade.containsNoWait( noWait ) );

        // DO WORK
        facade.removeNoWait( noWait );

        // VERIFY
        assertEquals( "Should have 0", 0, facade.noWaits.length );
        assertFalse( "Should not be in the list. ", facade.containsNoWait( noWait ) );
    }

    /**
     * Verify that we can remove an item.
     */
    public void testAddThenRemoveNoWait_InListSize2()
    {
        // SETUP
        @SuppressWarnings("unchecked")
        final
        LateralCacheNoWait<String, String>[] noWaits = new LateralCacheNoWait[0];
        final ILateralCacheAttributes cattr = new LateralCacheAttributes();
        cattr.setCacheName( "testCache1" );

        final LateralCacheNoWaitFacade<String, String> facade = new LateralCacheNoWaitFacade<>( null, noWaits, cattr );

        final LateralCache<String, String> cache = new LateralCache<>( cattr );
        final LateralCacheNoWait<String, String> noWait = new LateralCacheNoWait<>( cache );
        final LateralCacheNoWait<String, String> noWait2 = new LateralCacheNoWait<>( cache );

        // DO WORK
        facade.addNoWait( noWait );
        facade.addNoWait( noWait2 );

        // VERIFY
        assertEquals( "Should have 2", 2, facade.noWaits.length );
        assertTrue( "Should be in the list.", facade.containsNoWait( noWait ) );
        assertTrue( "Should be in the list.", facade.containsNoWait( noWait2 ) );

        // DO WORK
        facade.removeNoWait( noWait );

        // VERIFY
        assertEquals( "Should only have 1", 1, facade.noWaits.length );
        assertFalse( "Should not be in the list. ", facade.containsNoWait( noWait ) );
        assertTrue( "Should be in the list.", facade.containsNoWait( noWait2 ) );
    }

    /**
     * Verify that we can remove an item.
     */
    public void testAdd_InList()
    {
        // SETUP
        @SuppressWarnings("unchecked")
        final
        LateralCacheNoWait<String, String>[] noWaits = new LateralCacheNoWait[0];
        final ILateralCacheAttributes cattr = new LateralCacheAttributes();
        cattr.setCacheName( "testCache1" );

        final LateralCacheNoWaitFacade<String, String> facade = new LateralCacheNoWaitFacade<>( null, noWaits, cattr );

        final LateralCache<String, String> cache = new LateralCache<>( cattr );
        final LateralCacheNoWait<String, String> noWait = new LateralCacheNoWait<>( cache );

        // DO WORK
        facade.addNoWait( noWait );
        facade.addNoWait( noWait );

        // VERIFY
        assertTrue( "Should be in the list.", facade.containsNoWait( noWait ) );
        assertEquals( "Should only have 1", 1, facade.noWaits.length );
    }

    /**
     * Verify that we can remove an item.
     */
    public void testAddThenRemoveNoWait_NotInList()
    {
        // SETUP
        @SuppressWarnings("unchecked")
        final
        LateralCacheNoWait<String, String>[] noWaits = new LateralCacheNoWait[0];
        final ILateralCacheAttributes cattr = new LateralCacheAttributes();
        cattr.setCacheName( "testCache1" );

        final LateralCacheNoWaitFacade<String, String> facade = new LateralCacheNoWaitFacade<>( null, noWaits, cattr );

        final LateralCache<String, String> cache = new LateralCache<>( cattr );
        final LateralCacheNoWait<String, String> noWait = new LateralCacheNoWait<>( cache );

        // DO WORK
        facade.removeNoWait( noWait );

        // VERIFY
        assertFalse( "Should not be in the list.", facade.containsNoWait( noWait ) );
    }
}