/*
 * 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.dqp.internal.process;

import static org.junit.Assert.*;

import java.util.Arrays;
import java.util.List;

import org.junit.Test;
import org.mockito.Mockito;
import org.teiid.common.buffer.BufferManagerFactory;
import org.teiid.common.buffer.TupleSource;
import org.teiid.common.buffer.impl.BufferManagerImpl;
import org.teiid.core.TeiidComponentException;
import org.teiid.query.processor.HardcodedDataManager;
import org.teiid.query.processor.ProcessorPlan;
import org.teiid.query.processor.RegisterRequestParameter;
import org.teiid.query.processor.TestProcessor;
import org.teiid.query.sql.lang.Command;
import org.teiid.query.sql.lang.Insert;
import org.teiid.query.unittest.RealMetadataFactory;
import org.teiid.query.util.CommandContext;

@SuppressWarnings("nls")
public class TestTupleSourceCache {

	@Test public void testNodeId() throws Exception {
		TupleSourceCache tsc = new TupleSourceCache();
		HardcodedDataManager pdm = new HardcodedDataManager() {
			@Override
			public TupleSource registerRequest(CommandContext context,
					Command command, String modelName,
					RegisterRequestParameter parameterObject)
					throws TeiidComponentException {
				assertEquals(1, parameterObject.nodeID);
				return Mockito.mock(TupleSource.class);
			}
		};
		CommandContext context = TestProcessor.createCommandContext();
		BufferManagerImpl bufferMgr = BufferManagerFactory.createBufferManager();
		Command command = new Insert();
		RegisterRequestParameter parameterObject = new RegisterRequestParameter("z", 1, 1);
		parameterObject.info = new RegisterRequestParameter.SharedAccessInfo();
		
		tsc.getSharedTupleSource(context, command, "x", parameterObject, bufferMgr, pdm);
	}
	
	@Test public void testJoinProcessingWithNestedSubquery() throws Exception {
		HardcodedDataManager pdm = new HardcodedDataManager();
		pdm.setBlockOnce(true);
		
		String sql = "select e1 from (select e1, e2 from pm1.g1 where (select e3 from pm2.g1) = true) x inner join (select e2 from pm1.g2) y on x.e2 = y.e2 "
				+ "union all "
				+ "select e1 from (select e1, e2 from pm1.g1 where (select e3 from pm2.g1) = true) x inner join (select e2 from pm1.g2) y on x.e2 = y.e2";
		
		pdm.addData("SELECT pm1.g1.e2, pm1.g1.e1 FROM pm1.g1", Arrays.asList(1, "a"));
		pdm.addData("SELECT pm1.g2.e2 FROM pm1.g2", Arrays.asList(1));
		pdm.addData("SELECT pm2.g1.e3 FROM pm2.g1", Arrays.asList(true)); 
		
		ProcessorPlan plan = TestProcessor.helpGetPlan(sql, RealMetadataFactory.example1Cached());
		TestProcessor.helpProcess(plan, pdm, new List<?>[] {Arrays.asList("a"), Arrays.asList("a")});
	}
	
}
