/*
 * Copyright 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.ws.soap.security.callback;

import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;

import junit.framework.TestCase;

public class CallbackHandlerChainTest extends TestCase {

    private CallbackHandler supported = new CallbackHandler() {
        public void handle(Callback[] callbacks) {
        }
    };

    private CallbackHandler unsupported = new CallbackHandler() {
        public void handle(Callback[] callbacks) throws UnsupportedCallbackException {
            throw new UnsupportedCallbackException(callbacks[0]);
        }
    };

    private Callback callback = new Callback() {
    };

    protected void setUp() throws Exception {
    }

    public void testSupported() throws Exception {
        CallbackHandlerChain chain = new CallbackHandlerChain(new CallbackHandler[]{supported});
        chain.handle(new Callback[]{callback});
    }

    public void testUnsupportedSupported() throws Exception {
        CallbackHandlerChain chain = new CallbackHandlerChain(new CallbackHandler[]{unsupported, supported});
        chain.handle(new Callback[]{callback});
    }

    public void testUnsupported() throws Exception {
        CallbackHandlerChain chain = new CallbackHandlerChain(new CallbackHandler[]{unsupported});
        try {
            chain.handle(new Callback[]{callback});
            fail("Expected UnsupportedCallbackException");
        }
        catch (UnsupportedCallbackException ex) {
            // expected behavior
        }
    }
}