/*
 * Copyright 2001-2004 The Apache Software Foundation.
 * 
 * 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.
 */

/**
 * OmitTestCase.java
 *
 * This tests the omitting of elements when minOccurs=0 and the value 
 * of the element is Null.
 * 
 * For instance:
 *  <Phone>
 *   <prefix>555</prefix>
 *   <number>1212</number>
 *  </Phone>
 *
 * This would normally have the additional areaCode element: 
 *   <areaCode xsi:nil=true/>
 * 
 */

package test.wsdl.omit;

import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.w3c.dom.Element;
import org.xml.sax.SAXException;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;

/**
 * Test nillable elements.
 *
 * @author Tom Jordahl (tomj@macromedia.com)
 * @author Dominik Kacprzak (dominik@opentoolbox.com)
 */
public class OmitTestCase extends junit.framework.TestCase {
    private static final String AREA_CODE = "111";
    public OmitTestCase(String name) {
        super(name);
    }
    /**
     * Optimistic scenario:
     *   - area code is echoed successfully
     *   - prefix is not part of XML exchanged between the client and servers
     *   - number is passed as null.
     * There does not seem to be a good way to verify what's exchanged over the wire.
     */
    public void test1OmitEchoPhone() {
        test.wsdl.omit.Omit binding;
        try {
            binding = new test.wsdl.omit.OmitTestLocator().getomit();
        }
        catch (javax.xml.rpc.ServiceException jre) {
            throw new junit.framework.AssertionFailedError("JAX-RPC ServiceException caught: " + jre);
        }
        assertTrue("binding is null", binding != null);

        try {
            test.wsdl.omit.Phone input = new test.wsdl.omit.Phone();
            input.setAreaCode(AREA_CODE);

            test.wsdl.omit.Phone out = binding.echoPhone(input);

            assertNotNull("The return value from the operation was null", out);
            assertEquals("area code is incorrect", AREA_CODE, out.getAreaCode());
            assertNull("prefix is not null", out.getPrefix());
            assertNull("number is not null", out.getNumber());
        }
        catch (java.rmi.RemoteException re) {
            throw new junit.framework.AssertionFailedError("Remote Exception caught: " + re);
        }
    }

    /**
     * Testing if an exception is thrown when a required elemen is null.
     */
    public void test2OmitEchoPhone() {
        test.wsdl.omit.Omit binding;
        try {
            binding = new test.wsdl.omit.OmitTestLocator().getomit();
        }
        catch (javax.xml.rpc.ServiceException jre) {
            throw new junit.framework.AssertionFailedError("JAX-RPC ServiceException caught: " + jre);
        }
        assertTrue("binding is null", binding != null);

        try {
            test.wsdl.omit.Phone input = new test.wsdl.omit.Phone();
            test.wsdl.omit.Phone out = binding.echoPhone(input);
            throw new junit.framework.AssertionFailedError("web services call succeeded despite of AreaCode being null.");
        }
        catch (java.rmi.RemoteException re) {
            // this is desired
            System.out.println(re);
        }
    }

    /**
     * A simple test to validate if WSDL generated by Axis' ?WSDL properly
     * generates nillable properties.
     */
    public void testGeneratedWSDL() {
        boolean testedAreaCode = false;
        boolean testedPrefix = false;
        boolean testedNumber = false;
        // URL for omit's wsdl
        String url = new test.wsdl.omit.OmitTestLocator().getomitAddress() + "?WSDL";
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = null;
        try {
            builder = factory.newDocumentBuilder();
        } catch (ParserConfigurationException e) {
            throw new junit.framework.AssertionFailedError(e.getLocalizedMessage());
        }
        try {
            Document document = builder.parse(url);
            assertNotNull("WSDL document is null", document);
            NodeList nodes = document.getDocumentElement().getElementsByTagName("element");
            assertTrue("There are no \"elements\" in WSDL document", nodes.getLength() > 0);
            // test elements
            for (int i = 0; i < nodes.getLength(); i++) {
                Element element = (Element) nodes.item(i);
                String name = element.getAttribute("name");
                String nillable = element.getAttribute("nillable");
                if (name.equals("areaCode")) {
                    testedAreaCode = true;
                    assertTrue("nillable attribute for \"areaCode\" element should be empty",
                               nillable.length() == 0);
                }
                if (name.equals("prefix")) {
                    testedPrefix = true;
                    assertTrue("nillable attribute for \"prefix\" element should be empty",
                               nillable.length() == 0);
                }
                if (name.equals("number")) {
                    testedNumber = true;
                    assertTrue("nillable attribute for \"number\" element should be set to \"true\"",
                               nillable.equals("true"));
                }
            }
            // check if all elements were tested
            assertTrue("areaCode element was not validated", testedAreaCode);
            assertTrue("prefix element was not validated", testedPrefix);
            assertTrue("number element was not validated", testedNumber);

        } catch (SAXException e) {
            throw new junit.framework.AssertionFailedError(e.getLocalizedMessage());
        } catch (IOException e) {
            throw new junit.framework.AssertionFailedError(e.getLocalizedMessage());
        }
    }

    public static void main(String[] args) {
        OmitTestCase tester = new OmitTestCase("tester");
        tester.test1OmitEchoPhone();
    }
}