001: /*
002: * $Id: TestSubstringFunction.java,v 1.5 2005/03/04 09:09:17 ahimanikya Exp $
003: * =======================================================================
004: * Copyright (c) 2003 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.HashMap;
044: import java.util.Map;
045:
046: import junit.framework.Test;
047: import junit.framework.TestSuite;
048:
049: import org.axiondb.AxionException;
050: import org.axiondb.ColumnIdentifier;
051: import org.axiondb.RowDecorator;
052: import org.axiondb.engine.rows.SimpleRow;
053:
054: /**
055: * @version $Revision: 1.5 $ $Date: 2005/03/04 09:09:17 $
056: * @author Rodney Waldhoff
057: */
058: public class TestSubstringFunction extends BaseFunctionTest {
059:
060: //------------------------------------------------------------ Conventional
061:
062: public TestSubstringFunction(String testName) {
063: super (testName);
064: }
065:
066: public static Test suite() {
067: TestSuite suite = new TestSuite(TestSubstringFunction.class);
068: return suite;
069: }
070:
071: //--------------------------------------------------------------- Lifecycle
072:
073: //--------------------------------------------------------------- Framework
074:
075: protected ConcreteFunction makeFunction() {
076: return new SubstringFunction();
077: }
078:
079: //------------------------------------------------------------------- Tests
080:
081: public void testMkNwInstance() {
082: SubstringFunction function = new SubstringFunction();
083: assertTrue(function.makeNewInstance() instanceof SubstringFunction);
084: assertTrue(function.makeNewInstance() != function
085: .makeNewInstance());
086: }
087:
088: public void testSubstringEval() throws Exception {
089: SubstringFunction function = new SubstringFunction();
090: ColumnIdentifier sel1 = new ColumnIdentifier("arg1");
091: ColumnIdentifier sel2 = new ColumnIdentifier("arg2");
092: function.addArgument(sel1);
093: function.addArgument(sel2);
094: Map map = new HashMap();
095: map.put(sel1, new Integer(0));
096: map.put(sel2, new Integer(1));
097: RowDecorator dec = new RowDecorator(map);
098: dec.setRow(new SimpleRow(new Object[] { "duvuru",
099: new Integer(3) }));
100: assertEquals("vuru", function.evaluate(dec));
101:
102: dec.setRow(new SimpleRow(new Object[] { "duvuru",
103: new Integer(-4) }));
104: assertEquals("vuru", function.evaluate(dec));
105:
106: dec.setRow(new SimpleRow(new Object[] { "duvuru",
107: new Integer(0) }));
108: assertEquals("duvuru", function.evaluate(dec));
109:
110: dec.setRow(new SimpleRow(new Object[] { "duvuru",
111: new Integer(10) }));
112: assertNull(function.evaluate(dec));
113:
114: dec.setRow(new SimpleRow(new Object[] { "duvuru", "string" }));
115: try {
116: function.evaluate(dec);
117: fail("expected conversion error");
118: } catch (AxionException e) {
119: // expected
120: }
121:
122: dec
123: .setRow(new SimpleRow(new Object[] { null,
124: new Integer(1) }));
125: assertNull(function.evaluate(dec));
126:
127: }
128:
129: public void testSubstringEval2() throws Exception {
130: SubstringFunction function = new SubstringFunction();
131: ColumnIdentifier sel1 = new ColumnIdentifier("arg1");
132: ColumnIdentifier sel2 = new ColumnIdentifier("arg2");
133: ColumnIdentifier sel3 = new ColumnIdentifier("arg3");
134: function.addArgument(sel1);
135: function.addArgument(sel2);
136: function.addArgument(sel3);
137: Map map = new HashMap();
138: map.put(sel1, new Integer(0));
139: map.put(sel2, new Integer(1));
140: map.put(sel3, new Integer(2));
141: RowDecorator dec = new RowDecorator(map);
142: dec.setRow(new SimpleRow(new Object[] { "duvuru",
143: new Integer(3), new Integer(2) }));
144: assertEquals("vu", function.evaluate(dec));
145:
146: dec.setRow(new SimpleRow(new Object[] { "duvuru",
147: new Integer(3), new Integer(5) }));
148: assertEquals("vuru", function.evaluate(dec));
149:
150: dec.setRow(new SimpleRow(new Object[] { "duvuru",
151: new Integer(3), "string" }));
152: try {
153: function.evaluate(dec);
154: fail("expected conversion error");
155: } catch (AxionException e) {
156: // expected
157: }
158: }
159:
160: public void testSubstringEval3() throws Exception {
161: SubstringFunction function = new SubstringFunction();
162: ColumnIdentifier sel1 = new ColumnIdentifier("arg1");
163: ColumnIdentifier sel2 = new ColumnIdentifier("arg2");
164: ColumnIdentifier sel3 = new ColumnIdentifier("arg3");
165: function.addArgument(sel1);
166: function.addArgument(sel2);
167: function.addArgument(sel3);
168: Map map = new HashMap();
169: map.put(sel1, new Integer(0));
170: map.put(sel2, new Integer(1));
171: map.put(sel3, new Integer(2));
172: RowDecorator dec = new RowDecorator(map);
173: dec.setRow(new SimpleRow(new Object[] { "duvuru",
174: new Integer(2), new Integer(0) }));
175: assertNull(function.evaluate(dec));
176: }
177:
178: public void testInvalid() throws Exception {
179: SubstringFunction function = new SubstringFunction();
180: assertTrue(!function.isValid());
181: }
182:
183: public void testValid() throws Exception {
184: SubstringFunction function = new SubstringFunction();
185: function.addArgument(new ColumnIdentifier("arg1"));
186: function.addArgument(new ColumnIdentifier("arg2"));
187: assertTrue(function.isValid());
188: }
189: }
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