/*
 * 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.axis2.engine;

import junit.framework.Test;
import junit.framework.TestSuite;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axis2.AxisFault;
import org.apache.axis2.Constants;
import org.apache.axis2.client.Options;
import org.apache.axis2.client.ServiceClient;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.ConfigurationContextFactory;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.engine.util.TestConstants;
import org.apache.axis2.integration.TestingUtils;
import org.apache.axis2.integration.UtilServer;
import org.apache.axis2.integration.UtilServerBasedTestCase;
import org.apache.axis2.util.Utils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/** Testing character encoding support */
public class CharactersetEncodingTest extends UtilServerBasedTestCase implements TestConstants {

    private static final Log log = LogFactory.getLog(CharactersetEncodingTest.class);

    private AxisService service;

    public CharactersetEncodingTest(String arg0) {
        super(arg0);
    }

    public static Test suite() {
        return getTestSetup2(new TestSuite(CharactersetEncodingTest.class),
                             TestingUtils.prefixBaseDirectory(Constants.TESTING_PATH + "chunking-enabledRepository"));
    }

    protected void setUp() throws Exception {
        service =
                Utils.createSimpleService(serviceName,
                                          Echo.class.getName(),
                                          operationName);
        UtilServer.deployService(service);
    }

    protected void tearDown() throws Exception {
        UtilServer.unDeployService(serviceName);
        UtilServer.unDeployClientService();
    }


    private void runTest(String value, String expected) {

        try {
            OMFactory fac = OMAbstractFactory.getOMFactory();
            OMNamespace omNs = fac.createOMNamespace("http://localhost/my", "my");
            OMElement payload = fac.createOMElement("echoOMElement", omNs);
            OMElement text = fac.createOMElement("Text", omNs);
            text.addChild(fac.createOMText(text, value));
            payload.addChild(text);

            Options options = new Options();
            options.setProperty(Constants.Configuration.CHARACTER_SET_ENCODING, "utf-16");

            options.setTo(targetEPR);
            options.setTransportInProtocol(Constants.TRANSPORT_HTTP);

            ConfigurationContext configContext =
                    ConfigurationContextFactory.createConfigurationContextFromFileSystem(
                            TestingUtils.prefixBaseDirectory(Constants.TESTING_PATH + "chunking-enabledRepository"), null);
            ServiceClient sender = new ServiceClient(configContext, null);
            sender.setOptions(options);

            OMElement resultElem = sender.sendReceive(payload);


            assertNotNull("Result is null", resultElem);
            String result = ((OMElement)resultElem.getFirstOMChild()).getText();

            assertNotNull("Result value is null", result);

            assertEquals("Expected result not received.", expected, result);
            sender.cleanup();
        } catch (AxisFault e) {
            log.error(e, e);
            assertFalse("Failure in processing", true);
        }
    }


    private void runtest(String value) throws Exception {
        runTest(value, value);
    }

    public void testSimpleString() throws Exception {
        runtest("a simple string");
    }

    public void testStringWithApostrophes() throws Exception {
        runtest("this isn't a simple string");
    }

    public void testStringWithEntities() throws Exception {
        runTest("&amp;&lt;&gt;&apos;&quot;", "&amp;&lt;&gt;&apos;&quot;");
    }

    public void testStringWithRawEntities() throws Exception {
        runTest("&<>'\"", "&<>'\"");
    }

    public void testStringWithLeadingAndTrailingSpaces() throws Exception {
        runtest("          centered          ");
    }

    public void testWhitespace() throws Exception {
        runtest(" \n \t "); // note: \r fails
    }

    public void testFrenchAccents() throws Exception {
        runtest("\u00e0\u00e2\u00e4\u00e7\u00e8\u00e9\u00ea\u00eb\u00ee\u00ef\u00f4\u00f6\u00f9\u00fb\u00fc");
    }

    public void testGermanUmlauts() throws Exception {
        runtest(" Some text \u00df with \u00fc special \u00f6 chars \u00e4.");
    }

    public void testWelcomeUnicode() throws Exception {
        // welcome in several languages
        runtest(
                "Chinese (trad.) : \u6b61\u8fce  ");
    }

    public void testWelcomeUnicode2() throws Exception {
        // welcome in several languages
        runtest(
                "Greek : \u03ba\u03b1\u03bb\u03ce\u03c2 \u03bf\u03c1\u03af\u03c3\u03b1\u03c4\u03b5");
    }

    public void testWelcomeUnicode3() throws Exception {
        // welcome in several languages
        runtest(
                "Japanese : \u3088\u3046\u3053\u305d");
    }

}