/*
 * Copyright 2002-2006 the original author or authors.
 *
 * 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 org.springframework.jms.support;

import junit.framework.TestCase;
import org.springframework.test.AssertThrows;

import javax.jms.Session;

/**
 * Unit tests for the {@link JmsAccessor} class.
 *
 * @author Rick Evans
 */
public final class JmsAccessorTests extends TestCase {

    public void testChokesIfConnectionFactoryIsNotSupplied() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                JmsAccessor accessor = new StubJmsAccessor();
                accessor.afterPropertiesSet();
            }
        }.runTest();
    }

    public void testSessionTransactedModeReallyDoesDefaultToFalse() throws Exception {
        JmsAccessor accessor = new StubJmsAccessor();
        assertFalse("The [sessionTransacted] property of JmsAccessor must default to " +
                "false. Change this test (and the attendant Javadoc) if you have " +
                "changed the default.",
                accessor.isSessionTransacted());
    }

    public void testAcknowledgeModeReallyDoesDefaultToAutoAcknowledge() throws Exception {
        JmsAccessor accessor = new StubJmsAccessor();
        assertEquals("The [sessionAcknowledgeMode] property of JmsAccessor must default to " +
                "[Session.AUTO_ACKNOWLEDGE]. Change this test (and the attendant " +
                "Javadoc) if you have changed the default.",
                Session.AUTO_ACKNOWLEDGE,
                accessor.getSessionAcknowledgeMode());
    }

    public void testSetAcknowledgeModeNameChokesIfBadAckModeIsSupplied() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                new StubJmsAccessor().setSessionAcknowledgeModeName("Tally ho chaps!");
            }
        }.runTest();
    }


    /**
     * Crummy, stub, do-nothing subclass of the JmsAccessor class for use in testing.
     */
    private static final class StubJmsAccessor extends JmsAccessor {
    }

}