/*
 * Copyright Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags and
 * the COPYRIGHT.txt file distributed with this work.
 *
 * 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.
 */

package org.teiid.translator;

import static org.junit.Assert.*;

import java.lang.reflect.Method;

import org.junit.Test;
import org.teiid.language.Command;
import org.teiid.language.QueryExpression;
import org.teiid.language.Select;
import org.teiid.metadata.RuntimeMetadata;

public class TestBaseDelegatingExecutionFactory {

	@Test public void testMethodOverrides() {
		Method[] methods = ExecutionFactory.class.getDeclaredMethods();
		Method[] proxyMethods = BaseDelegatingExecutionFactory.class.getDeclaredMethods();
		//excluding the setter methods the counts should be equal
		assertEquals(methods.length+100, proxyMethods.length);
	}
	
	@Test public void testExecution() throws TranslatorException {
		BaseDelegatingExecutionFactory<Void, Void> ef = new BaseDelegatingExecutionFactory<Void, Void>() {
			@Override
			public ResultSetExecution createResultSetExecution(
					QueryExpression command, ExecutionContext executionContext,
					RuntimeMetadata metadata, Void connection)
					throws TranslatorException {
				return null;
			}
		};
		ef.setDelegate(new ExecutionFactory<Void, Void>() {
			@Override
			public Execution createExecution(Command command,
					ExecutionContext executionContext,
					RuntimeMetadata metadata, Void connection)
					throws TranslatorException {
				throw new AssertionError();
			}
		});
		ef.createExecution(new Select(null, false, null, null, null, null, null), null, null, null);
	}
	
}
