package org.apache.torque.util;
/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* 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.
*/
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import org.apache.commons.configuration.BaseConfiguration;
import org.apache.commons.configuration.Configuration;
import org.apache.torque.BaseTestCase;
import org.apache.torque.TorqueException;
import org.apache.torque.adapter.DBFactory;
/**
* Test class for Criteria.
*
* @author <a href="mailto:celkins@scardini.com">Christopher Elkins</a>
* @author <a href="mailto:sam@neurogrid.com">Sam Joseph</a>
* @version $Id: CriteriaTest.java,v 1.20.2.4 2004/08/26 16:48:22 henning Exp $
*/
public class CriteriaTest extends BaseTestCase
{
/** The criteria to use in the test. */
private Criteria c;
/**
* Creates a new instance.
*
* @param name the name of the test to run
*/
public CriteriaTest(String name)
{
super(name);
}
/**
* Initializes the criteria.
*/
public void setUp()
{
super.setUp();
c = new Criteria();
}
/**
* Test basic adding of strings.
*/
public void testAddString()
{
final String table = "myTable";
final String column = "myColumn";
final String value = "myValue";
// Add the string
c.add(table, column, (Object) value);
// Verify that the key exists
assertTrue(c.containsKey(table, column));
// Verify that what we get out is what we put in
assertTrue(c.getString(table, column).equals(value));
}
/**
* test various properties of Criterion and nested criterion
*/
public void testNestedCriterion()
{
final String table2 = "myTable2";
final String column2 = "myColumn2";
final String value2 = "myValue2";
final String table3 = "myTable3";
final String column3 = "myColumn3";
final String value3 = "myValue3";
final String table4 = "myTable4";
final String column4 = "myColumn4";
final String value4 = "myValue4";
final String table5 = "myTable5";
final String column5 = "myColumn5";
final String value5 = "myValue5";
Criteria.Criterion crit2 =
c.getNewCriterion(table2, column2, (Object) value2, Criteria.EQUAL);
Criteria.Criterion crit3 =
c.getNewCriterion(table3, column3, (Object) value3, Criteria.EQUAL);
Criteria.Criterion crit4 =
c.getNewCriterion(table4, column4, (Object) value4, Criteria.EQUAL);
Criteria.Criterion crit5 =
c.getNewCriterion(table5, column5, (Object) value5, Criteria.EQUAL);
crit2.and(crit3).or(crit4.and(crit5));
String expect =
"((myTable2.myColumn2='myValue2' "
+ "AND myTable3.myColumn3='myValue3') "
+ "OR (myTable4.myColumn4='myValue4' "
+ "AND myTable5.myColumn5='myValue5'))";
String result = crit2.toString();
assertEquals(expect, result);
Criteria.Criterion crit6 =
c.getNewCriterion(table2, column2, (Object) value2, Criteria.EQUAL);
Criteria.Criterion crit7 =
c.getNewCriterion(table3, column3, (Object) value3, Criteria.EQUAL);
Criteria.Criterion crit8 =
c.getNewCriterion(table4, column4, (Object) value4, Criteria.EQUAL);
Criteria.Criterion crit9 =
c.getNewCriterion(table5, column5, (Object) value5, Criteria.EQUAL);
crit6.and(crit7).or(crit8).and(crit9);
expect =
"(((myTable2.myColumn2='myValue2' "
+ "AND myTable3.myColumn3='myValue3') "
+ "OR myTable4.myColumn4='myValue4') "
+ "AND myTable5.myColumn5='myValue5')";
result = crit6.toString();
assertEquals(expect, result);
// should make sure we have tests for all possibilities
Criteria.Criterion[] crita = crit2.getAttachedCriterion();
assertEquals(crit2, crita[0]);
assertEquals(crit3, crita[1]);
assertEquals(crit4, crita[2]);
assertEquals(crit5, crita[3]);
List tables = crit2.getAllTables();
assertEquals(crit2.getTable(), tables.get(0));
assertEquals(crit3.getTable(), tables.get(1));
assertEquals(crit4.getTable(), tables.get(2));
assertEquals(crit5.getTable(), tables.get(3));
// simple confirmations that equality operations work
assertTrue(crit2.hashCode() == crit2.hashCode());
assertEquals(crit2.toString(), crit2.toString());
}
/**
* Tests <= and =>.
*/
public void testBetweenCriterion()
{
Criteria.Criterion cn1 =
c.getNewCriterion(
"INVOICE.COST",
new Integer(1000),
Criteria.GREATER_EQUAL);
Criteria.Criterion cn2 =
c.getNewCriterion(
"INVOICE.COST",
new Integer(5000),
Criteria.LESS_EQUAL);
c.add(cn1.and(cn2));
String expect =
"SELECT FROM INVOICE WHERE "
+ "(INVOICE.COST>=1000 AND INVOICE.COST<=5000)";
String result = null;
try
{
result = BasePeer.createQueryString(c);
}
catch (TorqueException e)
{
fail("TorqueException thrown in BasePeer.createQueryString()");
}
assertEquals(expect, result);
}
/**
* Verify that AND and OR criterion are nested correctly.
*/
public void testPrecedence()
{
Criteria.Criterion cn1 =
c.getNewCriterion("INVOICE.COST", "1000", Criteria.GREATER_EQUAL);
Criteria.Criterion cn2 =
c.getNewCriterion("INVOICE.COST", "2000", Criteria.LESS_EQUAL);
Criteria.Criterion cn3 =
c.getNewCriterion("INVOICE.COST", "8000", Criteria.GREATER_EQUAL);
Criteria.Criterion cn4 =
c.getNewCriterion("INVOICE.COST", "9000", Criteria.LESS_EQUAL);
c.add(cn1.and(cn2));
c.or(cn3.and(cn4));
String expect =
"SELECT FROM INVOICE WHERE "
+ "((INVOICE.COST>='1000' AND INVOICE.COST<='2000') "
+ "OR (INVOICE.COST>='8000' AND INVOICE.COST<='9000'))";
String result = null;
try
{
result = BasePeer.createQueryString(c);
}
catch (TorqueException e)
{
fail("TorqueException thrown in BasePeer.createQueryString()");
}
assertEquals(expect, result);
}
/**
* Test Criterion.setIgnoreCase().
* As the output is db specific the test just prints the result to
* System.out
*/
public void testCriterionIgnoreCase()
{
Criteria myCriteria = new Criteria();
Criteria.Criterion expected = myCriteria.getNewCriterion(
"TABLE.COLUMN", (Object)"FoObAr", Criteria.LIKE);
Criteria.Criterion result = expected.setIgnoreCase(true);
assertEquals("Criterion mis-match after calling setIgnoreCase(true)",
expected.toString(), result.toString());
}
/**
* Test that true is evaluated correctly.
*/
public void testBoolean()
{
Criteria c = new Criteria().add("TABLE.COLUMN", true);
String expect = "SELECT FROM TABLE WHERE TABLE.COLUMN=1";
String result = null;
try
{
result = BasePeer.createQueryString(c);
}
catch (TorqueException e)
{
fail("TorqueException thrown in BasePeer.createQueryString()");
}
assertEquals(expect, result);
// test the postgresql variation
c = new Criteria();
Criteria.Criterion cc =
c.getNewCriterion("TABLE.COLUMN", Boolean.TRUE, Criteria.EQUAL);
Configuration conf = new BaseConfiguration();
conf.addProperty("driver", "org.postgresql.Driver");
try
{
cc.setDB(DBFactory.create("org.postgresql.Driver"));
}
catch (Exception e)
{
fail("Exception thrown in DBFactory");
}
assertEquals("TABLE.COLUMN=1", cc.toString());
}
/**
* testcase for addDate()
*/
public void testAddDate()
{
Criteria c = new Criteria();
c.addDate("TABLE.DATE_COLUMN", 2003, 0, 22);
String expect = "SELECT FROM TABLE WHERE TABLE.DATE_COLUMN='20030122000000'";
String result = null;
try
{
result = BasePeer.createQueryString(c);
}
catch (TorqueException e)
{
e.printStackTrace();
fail("TorqueException thrown in BasePeer.createQueryString()");
}
assertEquals(expect, result);
}
/**
* testcase for add(Date)
*/
public void testDateAdd()
{
Calendar cal = Calendar.getInstance();
cal.set(2003, 0, 22, 0, 0, 0);
Date date = cal.getTime();
Criteria c = new Criteria();
c.add("TABLE.DATE_COLUMN", date);
String expect = "SELECT FROM TABLE WHERE TABLE.DATE_COLUMN='20030122000000'";
String result = null;
try
{
result = BasePeer.createQueryString(c);
}
catch (TorqueException e)
{
e.printStackTrace();
fail("TorqueException thrown in BasePeer.createQueryString()");
}
assertEquals(expect, result);
}
public void testCurrentDate()
{
Criteria c = new Criteria()
.add("TABLE.DATE_COLUMN", Criteria.CURRENT_DATE)
.add("TABLE.TIME_COLUMN", Criteria.CURRENT_TIME);
String expect = "SELECT FROM TABLE WHERE TABLE.TIME_COLUMN=CURRENT_TIME AND TABLE.DATE_COLUMN=CURRENT_DATE";
String result = null;
try
{
result = BasePeer.createQueryString(c);
}
catch (TorqueException e)
{
e.printStackTrace();
fail("TorqueException thrown in BasePeer.createQueryString()");
}
assertEquals(expect,result);
}
public void testCountAster()
{
Criteria c = new Criteria()
.addSelectColumn("COUNT(*)")
.add("TABLE.DATE_COLUMN", Criteria.CURRENT_DATE)
.add("TABLE.TIME_COLUMN", Criteria.CURRENT_TIME);
String expect = "SELECT COUNT(*) FROM TABLE WHERE TABLE.TIME_COLUMN=CURRENT_TIME AND TABLE.DATE_COLUMN=CURRENT_DATE";
String result = null;
try
{
result = BasePeer.createQueryString(c);
}
catch (TorqueException e)
{
e.printStackTrace();
fail("TorqueException thrown in BasePeer.createQueryString()");
}
assertEquals(expect,result);
}
/**
* This test case has been written to try out the fix applied to resolve
* TRQS73 - i.e. ensuring that Criteria.toString() does not alter any limit
* or offset that may be stored in the Criteria object. This testcase
* could actually pass without the fix if the database in use does not
* support native limits and offsets.
*/
public void testCriteriaToStringOffset()
{
Criteria c = new Criteria()
.add("TABLE.DATE_COLUMN", Criteria.CURRENT_DATE)
.setOffset(3)
.setLimit(5);
String toStringExpect = "Criteria:: TABLE.DATE_COLUMN<=>TABLE.DATE_COLUMN=CURRENT_DATE: "
+ "\nCurrent Query SQL (may not be complete or applicable): "
+ "SELECT FROM TABLE WHERE TABLE.DATE_COLUMN=CURRENT_DATE LIMIT 3, 5";
String cString = c.toString();
//System.out.println(cString);
assertEquals(toStringExpect, cString);
// Note that this is intentially the same as above as the behaviour is
// only observed on subsequent invocations of toString().
cString = c.toString();
//System.out.println(cString);
assertEquals(toStringExpect, cString);
}
/**
* This test case has been written to try out the fix applied to resolve
* TRQS73 - i.e. ensuring that Criteria.toString() does not alter any limit
* or offset that may be stored in the Criteria object. This testcase
* could actually pass without the fix if the database in use does not
* support native limits and offsets.
*/
public void testCriteriaToStringLimit()
{
Criteria c = new Criteria()
.add("TABLE.DATE_COLUMN", Criteria.CURRENT_DATE)
.setLimit(5);
String toStringExpect = "Criteria:: TABLE.DATE_COLUMN<=>TABLE.DATE_COLUMN=CURRENT_DATE: "
+ "\nCurrent Query SQL (may not be complete or applicable): "
+ "SELECT FROM TABLE WHERE TABLE.DATE_COLUMN=CURRENT_DATE LIMIT 5";
String cString = c.toString();
//System.out.println(cString);
assertEquals(toStringExpect, cString);
// Note that this is intentially the same as above as the behaviour is
// only observed on subsequent invocations of toString().
cString = c.toString();
//System.out.println(cString);
assertEquals(toStringExpect, cString);
}
/**
* This test case verifies if the Criteria.LIKE comparison type will
* get replaced through Criteria.EQUAL if there are no SQL wildcards
* in the given value.
*/
public void testLikeWithoutWildcards()
{
Criteria c = new Criteria();
c.add("TABLE.COLUMN", (Object) "no wildcards", Criteria.LIKE);
String expect = "SELECT FROM TABLE WHERE TABLE.COLUMN = 'no wildcards'";
String result = null;
try
{
result = BasePeer.createQueryString(c);
}
catch (TorqueException e)
{
e.printStackTrace();
fail("TorqueException thrown in BasePeer.createQueryString()");
}
assertEquals(expect, result);
}
/**
* This test case verifies if the Criteria.NOT_LIKE comparison type will
* get replaced through Criteria.NOT_EQUAL if there are no SQL wildcards
* in the given value.
*/
public void testNotLikeWithoutWildcards()
{
Criteria c = new Criteria();
c.add("TABLE.COLUMN", (Object) "no wildcards", Criteria.NOT_LIKE);
String firstExpect = "SELECT FROM TABLE WHERE TABLE.COLUMN != 'no wildcards'";
String secondExpect = "SELECT FROM TABLE WHERE TABLE.COLUMN <> 'no wildcards'";
String result = null;
try
{
result = BasePeer.createQueryString(c);
}
catch (TorqueException e)
{
e.printStackTrace();
fail("TorqueException thrown in BasePeer.createQueryString()");
}
assertTrue(result.equals(firstExpect) || result.equals(secondExpect));
}
/**
* test for TRQS25
*/
/*
public void testCriteriaAndString()
{
Criteria c = new Criteria()
.add("TABLE.COLUMN1", "string")
.and("TABLE.COLUMN2", "string", Criteria.LIKE);
}
*/
}