TestTupleSourceCache.java

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 * 
 * This library 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; either
 * version 2.1 of the License, or (at your option) any later version.
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 * This library 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.
 * 
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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")});
	}
	
}