/*
* Copyright 2009 Ralf Joachim, Ahmad Hassan
*
* 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.castor.cpa.persistence.sql.query;
import org.castor.cpa.persistence.sql.query.condition.AndCondition;
import org.castor.cpa.persistence.sql.query.condition.Condition;
import org.castor.cpa.persistence.sql.query.expression.Column;
import org.castor.cpa.persistence.sql.query.expression.Parameter;
import junit.framework.TestCase;
/**
* Test if Select works as expected.
*
* @author <a href="mailto:ahmad DOT hassan AT gmail DOT com">Ahmad Hassan</a>
* @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
* @version $Revision$ $Date: 2009-07-13 17:22:43 (Mon, 13 Jul 2009) $
*/
public final class TestSelect extends TestCase {
public void testExtendsHierarchy() {
assertTrue(QueryObject.class.isAssignableFrom(Select.class));
}
public void testConstructor() {
Select select = null;
try {
select = new Select((String) null);
fail("should throw NullPointerException");
} catch (NullPointerException ex) {
assertNull(select);
} catch (Exception ex) {
fail("should throw NullPointerException");
}
try {
select = new Select((Qualifier) null);
fail("should throw NullPointerException");
} catch (NullPointerException ex) {
assertNull(select);
} catch (Exception ex) {
fail("should throw NullPointerException");
}
try {
select = new Select("mytable");
assertEquals("SELECT * FROM mytable", select.toString());
} catch (Exception ex) {
fail("should not throw exception");
}
try {
select = new Select(new Table("mytable"));
assertEquals("SELECT * FROM mytable", select.toString());
} catch (Exception ex) {
fail("should not throw exception");
}
}
public void testSelect() {
Select select = new Select("mytable");
assertEquals("SELECT * FROM mytable", select.toString());
select.addSelect(new Column("mycol1"));
assertEquals("SELECT mycol1 FROM mytable", select.toString());
select.addSelect(new Column("mycol2"));
assertEquals("SELECT mycol1, mycol2 FROM mytable", select.toString());
}
public void testCondition() {
Select select = new Select("mytable");
assertNull(select.getCondition());
assertEquals("SELECT * FROM mytable", select.toString());
Condition condition = new Column("mycol1").equal(new Parameter("mycol1"));
select.setCondition(condition);
assertEquals(condition, select.getCondition());
assertEquals("SELECT * FROM mytable WHERE mycol1=?", select.toString());
condition = condition.and(new Column("mycol2").equal(new Parameter("mycol2")));
select.setCondition(condition);
assertEquals(condition, select.getCondition());
assertEquals("SELECT * FROM mytable WHERE mycol1=? AND mycol2=?", select.toString());
condition = new AndCondition();
select.setCondition(condition);
assertEquals(condition, select.getCondition());
assertEquals("SELECT * FROM mytable WHERE ", select.toString());
}
public void testSelectWithCondition() {
Select select = new Select("mytable");
select.addSelect(new Column("mycol1"));
select.addSelect(new Column("mycol2"));
select.setCondition(new Column("mycol3").equal(new Parameter("mycol3")));
assertEquals("SELECT mycol1, mycol2 FROM mytable WHERE mycol3=?", select.toString());
}
}