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package ctf.jdo.tc3x;
import harness.CastorTestCase;
import harness.TestHarness;
import java.sql.SQLException;
import jdo.JDOCategory;
import org.exolab.castor.jdo.Database;
import org.exolab.castor.jdo.OQLQuery;
import org.exolab.castor.jdo.PersistenceException;
import org.exolab.castor.jdo.QueryException;
import org.exolab.castor.jdo.QueryResults;
public final class TestNamedQueries extends CastorTestCase {
private static final int ENTITY_COUNT = 5;
private static final String SELECT_ALL_ENTITY_ONE = "selectAllEntity";
private static final String SELECT_ALL_ENTITY_HINT = "selectEntitiesWithHint";
private static final String SELECT_ENTITY_ONE_BY_ID = "selectEntityById";
private static final String SELECT_KNIGHTS_WHO_SAY_NI = "selectAllNightsWhoSayNi";
private static final String QUERY_WITH_BAD_SYNTAX = "queryBadSyntax";
private JDOCategory _category;
private Database _db;
/**
* Constructor
*
* @param category The test suite for these tests
*/
public TestNamedQueries(final TestHarness category) {
super(category, "TC38a", "Named query support");
_category = (JDOCategory) category;
}
/**
* Get a JDO database
*/
public void setUp() throws PersistenceException, SQLException {
_db = _category.getDatabase();
// persist few EntityOne class instances
_db.begin();
for (int i = 0; i < ENTITY_COUNT; i++) {
_db.create(new NQEntity(new Integer(i), String.valueOf(i)));
}
_db.commit();
}
public void runTest() throws Exception {
testNamedQuery();
testNamedQueryIgnoreHint();
testBadSyntaxNamedQuery();
testNonExistentNamedQuery();
}
/**
* Test method.
* @throws Exception For any exception thrown.
*/
public void testNamedQuery() throws Exception {
Database db = _category.getDatabase();
// load all EntityOne instances using a named query
db.begin();
OQLQuery query = db.getNamedQuery(SELECT_ALL_ENTITY_ONE);
QueryResults results = query.execute();
int i = 0;
while (results.hasMore()) {
NQEntity entity = (NQEntity) results.next();
assertNotNull(entity);
i++;
}
assertTrue(i >= ENTITY_COUNT);
db.commit();
// load EntityOne with Id=1 from persistent store
db.begin();
query = db.getNamedQuery(SELECT_ENTITY_ONE_BY_ID);
query.bind(new Integer(0));
results = query.execute();
NQEntity entity = (NQEntity) results.next();
assertNotNull(entity);
assertEquals(new Integer(0), entity.getId());
db.commit();
db.close();
}
/**
* Test method.
* @throws Exception For any exception thrown.
*/
public void testNonExistentNamedQuery() throws Exception {
Database db = _category.getDatabase();
// try to get non-existent named query
db.begin();
OQLQuery query = null;
try {
query = db.getNamedQuery(SELECT_KNIGHTS_WHO_SAY_NI);
fail("Database.getNamedQuery() should have thrown a QueryException");
} catch (QueryException e) {
// great, this is what we expect
// check if it's the correct one
if (!e.getMessage().startsWith("Cannot find a named query")) {
throw e;
}
} finally {
if (query != null) {
query.close();
}
}
db.commit();
db.close();
}
/**
* Test method.
* @throws Exception For any exception thrown.
*/
public void testBadSyntaxNamedQuery() throws Exception {
Database db = _category.getDatabase();
// try to load non-existent named query
db.begin();
try {
OQLQuery query = db.getNamedQuery(QUERY_WITH_BAD_SYNTAX);
query.close(); //this shouldn't happen
} catch (QueryException e) {
// great, this is what we expect
// check if it's the correct one
if (!e.getMessage().startsWith("Could not find class")) {
throw e;
}
}
db.commit();
db.close();
}
/**
* Test method.
* @throws Exception For any exception thrown.
*/
public void testNamedQueryIgnoreHint() throws Exception {
Database db = _category.getDatabase();
// load all EntityOne instances using a named query
// and then use same query but with hints
db.begin();
OQLQuery query = db.getNamedQuery(SELECT_ALL_ENTITY_ONE);
QueryResults results = query.execute();
int countFirst = 0;
while (results.hasMore()) {
NQEntity entity = (NQEntity) results.next();
assertNotNull(entity);
countFirst++;
}
query = db.getNamedQuery(SELECT_ALL_ENTITY_HINT);
results = query.execute();
int countSecond = 0;
while (results.hasMore()) {
NQEntity entity = (NQEntity) results.next();
assertNotNull(entity);
countSecond++;
}
assertEquals(countFirst, countSecond);
db.commit();
db.close();
}
public void tearDown() throws Exception {
Database db = _category.getDatabase();
db.begin();
db.getJdbcConnection().prepareStatement("delete from tc3x_nq_entity").executeUpdate();
db.commit();
_db.close();
}
}