/**
 * Copyright 2000-2006 DFKI GmbH.
 * All Rights Reserved.  Use is subject to license terms.
 *
 * This file is part of MARY TTS.
 *
 * MARY TTS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package marytts.tests.junit4;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import static org.fest.assertions.Assertions.assertThat;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import marytts.datatypes.MaryXML;
import marytts.util.MaryRuntimeUtils;

import org.apache.commons.lang.SystemUtils;

import org.junit.Test;

import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.w3c.dom.traversal.DocumentTraversal;

/**
 * @author Marc Schröder
 *
 *
 */
public class EnvironmentTest {

	@Test
	public void testXMLParserSupportsNamespaces() throws Exception {
		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
		factory.setNamespaceAware(true);
		DocumentBuilder docBuilder = factory.newDocumentBuilder();
		Document document = docBuilder.parse(this.getClass().getResourceAsStream("test1.namespaces"));
		NodeList nl = document.getElementsByTagNameNS("http://www.w3.org/2001/10/synthesis", "*");
		assertNotNull(nl.item(0));
		assertTrue(nl.item(0).getNodeName().equals("ssml:emphasis"));
	}

	@Test
	public void testDocumentTraversalAvailable() {
		Document doc = MaryXML.newDocument();
		assertTrue(doc instanceof DocumentTraversal);
	}

	@Test
	public void testMP3Available() throws Exception {
		AudioFormat mp3af = new AudioFormat(new AudioFormat.Encoding("MPEG1L3"), AudioSystem.NOT_SPECIFIED,
				AudioSystem.NOT_SPECIFIED, 1, AudioSystem.NOT_SPECIFIED, AudioSystem.NOT_SPECIFIED, false);
		AudioInputStream waveStream = AudioSystem.getAudioInputStream(this.getClass().getResourceAsStream("test.wav"));
		// Now attempt conversion:
		if (MaryRuntimeUtils.canCreateMP3()) {
			assertTrue(AudioSystem.isConversionSupported(mp3af, waveStream.getFormat()));
			AudioInputStream mp3Stream = AudioSystem.getAudioInputStream(mp3af, waveStream);
		} else {
			assertFalse(AudioSystem.isConversionSupported(mp3af, waveStream.getFormat()));
		}
	}
}