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*
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* 5. Due credit should be given to the Exolab Project
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*
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* Copyright 2002 (C) Intalio, Inc. All Rights Reserved.
*/
package ctf.jdo.tc3x;
import java.sql.Connection;
import java.sql.SQLException;
import harness.CastorTestCase;
import harness.TestHarness;
import jdo.JDOCategory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.castor.jdo.util.JDOUtils;
import org.exolab.castor.jdo.Database;
import org.exolab.castor.jdo.OQLQuery;
import org.exolab.castor.jdo.PersistenceException;
import org.exolab.castor.jdo.QueryResults;
/**
* Test for OQLResults.absolute().
*/
public final class TestAbsolute extends CastorTestCase {
private static final Log LOG = LogFactory.getLog(TestAbsolute.class);
private Database _db;
private JDOCategory _category;
/**
* Constructor
*
* @param category The test suite of these tests
*/
public TestAbsolute(final TestHarness category) {
super(category, "TC37", "Absolute");
_category = (JDOCategory) category;
}
public void runTest() throws PersistenceException {
removeRecords();
createRecords();
testAbsoluteA();
testAbsoluteB();
testAbsoluteC();
}
public void setUp() throws PersistenceException {
_db = _category.getDatabase();
}
public void removeRecords() throws PersistenceException {
Connection conn = null;
try {
conn = _category.getJDBCConnection();
conn.setAutoCommit(false);
conn.createStatement().executeUpdate("DELETE FROM tc3x_entity");
conn.commit();
} catch (SQLException ex) {
ex.printStackTrace();
} finally {
JDOUtils.closeConnection (conn);
}
}
public void createRecords() throws PersistenceException {
_db.begin();
for (int i = 0; i < 25; i++) {
Entity newTRN = new Entity();
newTRN.setId(i);
_db.create(newTRN);
}
_db.commit();
}
/**
* Very simple test to do a query and call absolute(x)
*/
public void testAbsoluteA() throws PersistenceException {
_db.begin();
OQLQuery oqlquery = _db.getOQLQuery(
"SELECT object FROM " + Entity.class.getName() + " object");
QueryResults enumeration = oqlquery.execute(true);
assertTrue("should have been able to move to 1", enumeration.absolute(1));
assertTrue("should have been able to move to 5", enumeration.absolute(5));
assertTrue("should have been able to move to 10", enumeration.absolute(10));
assertTrue("should have been able to move to 15", enumeration.absolute(15));
assertTrue("should have been able to move to 20", enumeration.absolute(20));
assertTrue("should have been able to move to 25", enumeration.absolute(25));
_db.commit();
}
/**
* Test going through enumeration and calling absolute
* to simulate the .next(); call
*/
public void testAbsoluteB() throws PersistenceException {
_db.begin();
OQLQuery oqlquery = _db.getOQLQuery(
"SELECT object FROM " + Entity.class.getName() + " object");
QueryResults enumeration = oqlquery.execute(true);
int next = 1;
boolean hasMore = true;
while (enumeration.hasMore() && hasMore) {
LOG.debug("at: " + next);
hasMore = enumeration.absolute(next);
next++;
}
_db.commit();
}
/**
* Both should fail as -50 is less than 0 and 99999 is greater than
* the 25 objects in the db
*/
public void testAbsoluteC() throws PersistenceException {
_db.begin();
OQLQuery oqlquery = _db.getOQLQuery(
"SELECT object FROM " + Entity.class.getName() + " object");
QueryResults enumeration = oqlquery.execute(true);
assertFalse("shouldn't be able to move to -50", enumeration.absolute(-50));
assertFalse("shouldn't be able to move to 99999", enumeration.absolute(99999));
_db.commit();
}
/**
* Should fail with a non scrollable resultset.?
*/
public void testAbsoluteD() {
try {
_db.begin();
OQLQuery oqlquery = _db.getOQLQuery(
"SELECT object FROM " + Entity.class.getName() + " object");
QueryResults enumeration = oqlquery.execute(false);
// following should fail.
enumeration.absolute(5);
_db.commit();
fail("Calling absolute on a non-scrollable resultset should fail");
} catch (Exception ex) {
assertTrue(true);
}
}
public void tearDown() throws PersistenceException {
if (_db.isActive()) { _db.rollback(); }
_db.close();
}
}