/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.query.processor;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import org.junit.Test;
import org.teiid.common.buffer.BlockedException;
import org.teiid.common.buffer.BufferManager;
import org.teiid.common.buffer.BufferManagerFactory;
import org.teiid.common.buffer.TupleBatch;
import org.teiid.common.buffer.TupleBuffer;
import org.teiid.common.buffer.TupleSource;
import org.teiid.core.TeiidComponentException;
import org.teiid.core.TeiidException;
import org.teiid.core.types.DataTypeManager;
import org.teiid.query.sql.symbol.ElementSymbol;
import org.teiid.query.util.CommandContext;
/**
*/
public class TestQueryProcessor {
public void helpTestProcessor(FakeProcessorPlan plan, List[] expectedResults) throws TeiidException {
BufferManager bufferMgr = BufferManagerFactory.getStandaloneBufferManager();
FakeDataManager dataManager = new FakeDataManager();
CommandContext context = new CommandContext("pid", "group", null, null, 1); //$NON-NLS-1$ //$NON-NLS-2$
QueryProcessor processor = new QueryProcessor(plan, context, bufferMgr, dataManager);
BatchCollector collector = processor.createBatchCollector();
TupleBuffer tsID = null;
while(true) {
try {
tsID = collector.collectTuples();
break;
} catch(BlockedException e) {
}
}
// Compare # of rows in actual and expected
assertEquals("Did not get expected # of rows", expectedResults.length, tsID.getRowCount()); //$NON-NLS-1$
// Compare actual with expected results
TupleSource actual = tsID.createIndexedTupleSource();
if(expectedResults.length > 0) {
for(int i=0; i<expectedResults.length; i++) {
List actRecord = actual.nextTuple();
List expRecord = expectedResults[i];
assertEquals("Did not match row at row index " + i, expRecord, actRecord); //$NON-NLS-1$
}
}
tsID.remove();
}
@Test public void testNoResults() throws Exception {
List elements = new ArrayList();
elements.add(new ElementSymbol("x", null, DataTypeManager.DefaultDataClasses.INTEGER)); //$NON-NLS-1$
FakeProcessorPlan plan = new FakeProcessorPlan(elements, null);
helpTestProcessor(plan, new List[0]);
}
@Test public void testBlockNoResults() throws Exception {
List elements = new ArrayList();
elements.add(new ElementSymbol("x", null, DataTypeManager.DefaultDataClasses.INTEGER)); //$NON-NLS-1$
List batches = new ArrayList();
batches.add(BlockedException.INSTANCE);
TupleBatch batch = new TupleBatch(1, new List[0]);
batch.setTerminationFlag(true);
batches.add(batch);
FakeProcessorPlan plan = new FakeProcessorPlan(elements, batches);
helpTestProcessor(plan, new List[0]);
}
@Test public void testProcessWithOccasionalBlocks() throws Exception {
List elements = new ArrayList();
elements.add(new ElementSymbol("x", null, DataTypeManager.DefaultDataClasses.INTEGER)); //$NON-NLS-1$
HashSet blocked = new HashSet(Arrays.asList(new Integer[] { new Integer(0), new Integer(2), new Integer(7) }));
int numBatches = 10;
int batchRow = 1;
int rowsPerBatch = 50;
List[] expectedResults = new List[rowsPerBatch*(numBatches-blocked.size())];
List batches = new ArrayList();
for(int b=0; b<numBatches; b++) {
if(blocked.contains(new Integer(b))) {
batches.add(BlockedException.INSTANCE);
} else {
List[] rows = new List[rowsPerBatch];
for(int i=0; i<rowsPerBatch; i++) {
rows[i] = new ArrayList();
rows[i].add(new Integer(batchRow));
expectedResults[batchRow-1] = rows[i];
batchRow++;
}
TupleBatch batch = new TupleBatch(batchRow-rows.length, rows);
if(b == numBatches-1) {
batch.setTerminationFlag(true);
}
batches.add(batch);
}
}
FakeProcessorPlan plan = new FakeProcessorPlan(elements, batches);
helpTestProcessor(plan, expectedResults);
}
@Test public void testCloseBeforeInitialization() throws TeiidComponentException {
BufferManager bufferMgr = BufferManagerFactory.getStandaloneBufferManager();
FakeDataManager dataManager = new FakeDataManager();
CommandContext context = new CommandContext("pid", "group", null, null, 1); //$NON-NLS-1$ //$NON-NLS-2$
QueryProcessor processor = new QueryProcessor(null, context, bufferMgr, dataManager);
processor.closeProcessing();
}
}