/*
 * Reference ETL Parser for Java
 * Copyright (c) 2000-2009 Constantine A Plotnikov
 *
 * Permission is hereby granted, free of charge, to any person 
 * obtaining a copy of this software and associated documentation 
 * files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, 
 * publish, distribute, sublicense, and/or sell copies of the Software, 
 * and to permit persons to whom the Software is furnished to do so, 
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be 
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
 * SOFTWARE. 
 */
package net.sf.etl.tests.term_parser.bootstrap;

import junit.framework.TestCase;
import net.sf.etl.parsers.PhraseParser;
import net.sf.etl.parsers.PhraseParserFactory;
import net.sf.etl.parsers.internal.term_parser.grammar.Grammar;
import net.sf.etl.parsers.internal.term_parser.bootstrap.BootstrapETLParserLite;

import org.xml.sax.InputSource;

/**
 * This is test for bootstrap GTL parser. The test uses two grammars doctype and
 * GTL. Doctype is used as simpler one.
 * 
 * @author const
 */
public class BootstrapGTLParserTest extends TestCase {

	/**
	 * parse resource
	 * 
	 * @param resourceName
	 *            name of resource
	 * @return parsed grammar
	 */
	private Grammar parseResource(String resourceName) {
		try {
			final PhraseParser phraseParser = PhraseParserFactory.newInstance()
					.newPhraseParser();
			phraseParser.parse(new InputSource(this.getClass().getResource(
					resourceName).toString()));
			final BootstrapETLParserLite parser = new BootstrapETLParserLite(
					phraseParser);
			return parser.parse();
		} catch (final RuntimeException e) {
			throw e;
		} catch (final Exception e) {
			throw new RuntimeException("io problem", e);
		}

	}

	/**
	 * Test loading the grammar
	 */
	public void testDoctype() {
		final Grammar g = parseResource("/net/sf/etl/grammars/doctype.g.etl");
		assertNotNull(g);
	}

	/**
	 * Test loading the grammar
	 */
	public void testMinimalEJ() {
		final Grammar g = parseResource("/net/sf/etl/tests/data/MinimalEJ.g.etl");
		assertNotNull(g);
	}

	/**
	 * Test loading the grammar
	 */
	public void testDefault() {
		final Grammar g = parseResource("/net/sf/etl/grammars/default.g.etl");
		assertNotNull(g);
	}

	/**
	 * Test loading the grammar
	 */
	public void testGrammar() {
		final Grammar g = parseResource("/net/sf/etl/grammars/grammar-0_2_1.g.etl");
		assertNotNull(g);
	}

}