001: /*
002: * $Id: BaseAggregateFunctionTest.java,v 1.2 2005/04/08 14:10:25 ahimanikya Exp $
003: * =======================================================================
004: * Copyright (c) 2004 Axion Development Team. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above
011: * copyright notice, this list of conditions and the following
012: * disclaimer.
013: *
014: * 2. Redistributions in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * 3. The names "Tigris", "Axion", nor the names of its contributors may
020: * not be used to endorse or promote products derived from this
021: * software without specific prior written permission.
022: *
023: * 4. Products derived from this software may not be called "Axion", nor
024: * may "Tigris" or "Axion" appear in their names without specific prior
025: * written permission.
026: *
027: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
028: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
029: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
030: * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
031: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
032: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
033: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
034: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
035: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
036: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
037: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
038: * =======================================================================
039: */
040:
041: package org.axiondb.functions;
042:
043: import java.util.ArrayList;
044: import java.util.HashMap;
045: import java.util.List;
046: import java.util.Map;
047:
048: import org.axiondb.AxionException;
049: import org.axiondb.ColumnIdentifier;
050: import org.axiondb.Literal;
051: import org.axiondb.RowDecorator;
052: import org.axiondb.RowIterator;
053: import org.axiondb.TableIdentifier;
054: import org.axiondb.engine.rowiterators.ListRowIterator;
055: import org.axiondb.engine.rowiterators.RowIteratorRowDecoratorIterator;
056: import org.axiondb.engine.rows.SimpleRow;
057: import org.axiondb.types.IntegerType;
058:
059: /**
060: * @version $Revision: 1.2 $ $Date: 2005/04/08 14:10:25 $
061: * @author Rodney Waldhoff
062: */
063: public abstract class BaseAggregateFunctionTest extends
064: BaseFunctionTest {
065:
066: //------------------------------------------------------------ Conventional
067:
068: public BaseAggregateFunctionTest(String testName) {
069: super (testName);
070: }
071:
072: //--------------------------------------------------------------- Lifecycle
073:
074: public void setUp() throws Exception {
075: super .setUp();
076: }
077:
078: public void tearDown() throws Exception {
079: super .tearDown();
080: }
081:
082: //--------------------------------------------------------------- Framework
083:
084: protected abstract ConcreteFunction makeFunction();
085:
086: //------------------------------------------------------------------- Tests
087:
088: public void testInvalid() throws Exception {
089: ConcreteFunction function = makeFunction();
090: assertTrue(!function.isValid());
091: }
092:
093: public void testValid() throws Exception {
094: ConcreteFunction function = makeFunction();
095: function.addArgument(new ColumnIdentifier("arg1"));
096: assertTrue(function.isValid());
097:
098: function = makeFunction();
099: function.addArgument(new ColumnIdentifier("arg1"));
100: function.addArgument(new Literal("DISTINCT"));
101: assertTrue(function.isValid());
102: }
103:
104: protected Object evaluate() throws AxionException {
105: AggregateFunction function = (AggregateFunction) makeFunction();
106: TableIdentifier tid = new TableIdentifier("t");
107: ColumnIdentifier sel1 = new ColumnIdentifier(tid, "id", null,
108: new IntegerType());
109: function.addArgument(sel1);
110:
111: Map map = new HashMap();
112: map.put(sel1, new Integer(0));
113: RowDecorator dec = new RowDecorator(map);
114:
115: List rows = new ArrayList(4);
116: rows.add(new SimpleRow(new Object[] { new Integer(1) }));
117: rows.add(new SimpleRow(new Object[] { new Integer(3) }));
118: rows.add(new SimpleRow(new Object[] { new Integer(5) }));
119: rows.add(new SimpleRow(new Object[] { new Integer(2) }));
120: RowIterator rowiter = new ListRowIterator(rows);
121:
122: RowIteratorRowDecoratorIterator rowdecIter = new RowIteratorRowDecoratorIterator(
123: rowiter, dec);
124: return function.evaluate(rowdecIter);
125: }
126: }
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