/**
* This method tests the functionality of connection in high stress.
*
* @throws Exception if any error occurs.
*/
public void testStressForConnection() throws Exception {
long startTime = System.currentTimeMillis();
for (int i = 0; i < COUNT; ++i) {
Connection conn = null;
try {
conn =
new DBConnectionFactoryImpl(DBConnectionFactoryImpl.class.getName()).createConnection();
conn.setAutoCommit(false);
StressHelper.doDMLQuery(conn, QUERY1, new Object[] {});
persistence.closeConnection(conn);
assertTrue("Fails to close the connection.", conn.isClosed());
conn =
new DBConnectionFactoryImpl(DBConnectionFactoryImpl.class.getName()).createConnection();
conn.setAutoCommit(true);
Object[][] rows =
StressHelper.doQuery(
conn, QUERY2, new Object[] {}, new DataType[] {StressHelper.STRING_TYPE});
assertEquals("Fails to commit the changes in database.", "property 1", rows[0][0]);
StressHelper.doDMLQuery(conn, QUERY3, new Object[] {});
conn.close();
} finally {
if (conn != null && !conn.isClosed()) {
conn.close();
}
}
}
long endTime = System.currentTimeMillis();
System.out.println(
"The stress test for connection costs: " + (endTime - startTime) + " milliseconds.");
}
/**
* This method tests the functionality of connection with failure in high stress.
*
* @throws Exception if any error occurs.
*/
public void testStressForConnectionWithFailure() throws Exception {
long startTime = System.currentTimeMillis();
for (int i = 0; i < COUNT; ++i) {
Connection conn = null;
try {
conn =
new DBConnectionFactoryImpl(DBConnectionFactoryImpl.class.getName()).createConnection();
conn.setAutoCommit(true);
persistence.closeConnection(conn);
fail("PersistenceException is expected");
} catch (PersistenceException pe) {
// expect
} finally {
if (conn != null && !conn.isClosed()) {
conn.close();
}
}
}
long endTime = System.currentTimeMillis();
System.out.println(
"The stress test for connection with failure costs: "
+ (endTime - startTime)
+ " milliseconds.");
}
/**
* This method tests the functionality of connection with non-exist name in high stress.
*
* @throws Exception if any error occurs.
*/
public void testStressForConnectionWithNonExistName() throws Exception {
long startTime = System.currentTimeMillis();
persistence =
new MockPersistence("InformixProjectPersistence.CustomNamespace.NoConnectionName");
for (int i = 0; i < COUNT; ++i) {
Connection conn = null;
try {
conn = persistence.openConnection();
assertFalse("Fails to initialize the connection.", conn.getAutoCommit());
} finally {
if (conn != null) {
conn.close();
}
}
}
long endTime = System.currentTimeMillis();
System.out.println(
"The stress test for connection with non-exist name costs: "
+ (endTime - startTime)
+ " milliseconds.");
}