/*
 * 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.ws.xml;

import java.io.InputStream;

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

import junit.framework.TestCase;

import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.ComponentType;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.OperationsConfigurator;
import org.apache.tuscany.sca.assembly.SCABindingFactory;
import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
import org.apache.tuscany.sca.assembly.builder.impl.CompositeBuilderImpl;
import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
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.contribution.service.ContributionReadException;
import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
import org.apache.tuscany.sca.interfacedef.impl.InterfaceContractMapperImpl;
import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory;

/**
 * Test reading WSDL interfaces.
 * 
 * @version $Rev$ $Date$
 */
public class ReadTestCase extends TestCase {

    private XMLInputFactory inputFactory;
    private StAXArtifactProcessor<Object> staxProcessor;
    private CompositeBuilder compositeBuilder;

    @Override
    public void setUp() throws Exception {
        DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
        inputFactory = XMLInputFactory.newInstance();
        StAXArtifactProcessorExtensionPoint staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint(extensionPoints);
        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, null, null);
        
        ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class);
        AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
        SCABindingFactory scaBindingFactory = modelFactories.getFactory(SCABindingFactory.class);

        UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
        InterfaceContractMapper mapper = utilities.getUtility(InterfaceContractMapper.class);
        
        IntentAttachPointTypeFactory attachPointTypeFactory = modelFactories.getFactory(IntentAttachPointTypeFactory.class);
        compositeBuilder = new CompositeBuilderImpl(assemblyFactory, scaBindingFactory, attachPointTypeFactory, mapper, null);
    }

    @Override
    public void tearDown() throws Exception {
    }

    public void testReadComponentType() throws Exception {
        InputStream is = getClass().getResourceAsStream("CalculatorImpl.componentType");
        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
        ComponentType componentType = (ComponentType)staxProcessor.read(reader);
        assertNotNull(componentType);
    }

    public void testReadComposite() throws Exception {
        InputStream is = getClass().getResourceAsStream("Calculator.composite");
        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
        Composite composite = (Composite)staxProcessor.read(reader);
        assertNotNull(composite);

        compositeBuilder.build(composite);
    }
    
    public void testReadPolicies() throws Exception {
        InputStream is = getClass().getResourceAsStream("PoliciedCalculator.composite");
        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
        Composite composite = (Composite)staxProcessor.read(reader);
        assertNotNull(composite);

        compositeBuilder.build(composite);

        assertEquals(((OperationsConfigurator)composite.getServices().get(0).getBindings().get(0))
            .getConfiguredOperations().get(0).getRequiredIntents().size(), 2);
    }

    /**
     * This test makes sure that an exception is thrown when a bad wsdlElement is present along with EndpointReference.
     *
     * Ref: Web Service Binding Specification v1.0 - Sec 2.1 - Lines 61 to 65.
     * When an EndpointReference is present along with the wsdlElement attribute on the parent element, the wsdlElement attribute value MUST
     * be of the 'Binding' form.
     */
    public void testReadBadWsdlElement() throws Exception {
        InputStream is = getClass().getResourceAsStream("Calculator-bad-wsdlElement.composite");
        XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
        try {
            staxProcessor.read(reader);
            fail("ContributionReadException expected.");
        } catch(ContributionReadException e) {
            // Expected
            assertNotSame(-1, e.getMessage().indexOf("must use wsdl.binding when using wsa:EndpointReference"));
        }
    }
}