/*
 * 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.apache.tuscany.sca.binding.http.operationselector.jsonrpc.impl;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import java.io.StringReader;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;

import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.OperationSelector;
import org.apache.tuscany.sca.binding.http.HTTPBinding;
import org.apache.tuscany.sca.binding.http.operationselector.jsonrpc.JSONRPCOperationSelector;
import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.MonitorFactory;
import org.apache.tuscany.sca.monitor.impl.DefaultMonitorFactoryImpl;
import org.junit.BeforeClass;
import org.junit.Test;


/**
* JSON RPC operation selector processor tests
* 
* @version $Rev$ $Date$
*/
public class JSONRPCOperationSelectorProcessorTestCase {

    public static final String COMPOSITE_WITH_OPERATION_SELECTOR =
        "<?xml version=\"1.0\" encoding=\"ASCII\"?>" 
        + "<composite xmlns=\"http://www.osoa.org/xmlns/sca/1.0\" targetNamespace=\"http://binding-http\" xmlns:tuscany=\"http://tuscany.apache.org/xmlns/sca/1.0\" name=\"binding-http\">"
            + " <component name=\"HelloWorldComponent\">"
            + "   <implementation.java class=\"services.HelloWorld\"/>"
            + "      <service name=\"HelloWorldService\">"
            + "          <tuscany:binding.http uri=\"http://localhost:8080/uri\" >"
            + "              <tuscany:operationSelector.jsonrpc/>"
            + "          </tuscany:binding.http>"
            + "      </service>"
            + " </component>"
            + "</composite>";
    
    private static XMLInputFactory inputFactory;
    private static StAXArtifactProcessor<Object> staxProcessor;
    private static Monitor monitor;
    
    @BeforeClass
    public static void setUp() throws Exception {
        DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
        inputFactory = XMLInputFactory.newInstance();
        // Create a monitor
        UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
        MonitorFactory monitorFactory = new DefaultMonitorFactoryImpl();  
        if (monitorFactory != null) {
                monitor = monitorFactory.createMonitor();
                utilities.addUtility(monitorFactory);
        }
        StAXArtifactProcessorExtensionPoint staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint(extensionPoints);
        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, null, monitor);

    }
    
    /**
     * Tests the APIs:
     *     public OperationSelector getOperationSelector();
     * 
     * @throws Exception
     */
    @Test
    public void testWireFormat() throws Exception {
        XMLStreamReader reader = inputFactory.createXMLStreamReader(new StringReader(COMPOSITE_WITH_OPERATION_SELECTOR));
        
        Composite composite = (Composite)staxProcessor.read(reader);
        HTTPBinding binding = (HTTPBinding)   composite.getComponents().get(0).getServices().get(0).getBindings().get(0);        
        assertNotNull(binding);
        
        OperationSelector operationSelector = binding.getOperationSelector();
        assertEquals(JSONRPCOperationSelector.class, operationSelector.getClass().getInterfaces()[0]);
    } 
}