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resolve intermittent faiure - make deterministic intervetion and assertions

This commit is contained in:
gtully 2015-01-22 13:01:23 +00:00
parent b53d8ea295
commit 4648dbee41
1 changed files with 22 additions and 42 deletions
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62
activemq-unit-tests/src/test/java/org/apache/activemq/bugs/TrapMessageInJDBCStoreTest.java
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@ -79,6 +79,7 @@ public class TrapMessageInJDBCStoreTest extends TestCase {
// method that can be configured to throw a SQL exception on demand
jdbc = new TestJDBCPersistenceAdapter();
jdbc.setDataSource(embeddedDataSource);
jdbc.setCleanupPeriod(0);
testTransactionContext = new TestTransactionContext(jdbc);
jdbc.setLockKeepAlivePeriod(1000l);
@ -121,15 +122,19 @@ public class TrapMessageInJDBCStoreTest extends TestCase {
sendMessage(MY_TEST_Q, failoverTransportURL);
List<TextMessage> consumedMessages = consumeMessages(MY_TEST_Q,failoverTransportURL);
//check db contents
ArrayList<Long> dbSeq = dbMessageCount();
LOG.info("*** after send: db contains message seq " +dbSeq );
LOG.debug("*** db contains message seq " +dbSeq );
List<TextMessage> consumedMessages = consumeMessages(MY_TEST_Q,failoverTransportURL);
assertEquals("number of consumed messages",3,consumedMessages.size());
//check db contents
dbSeq = dbMessageCount();
LOG.info("*** after consume - db contains message seq " + dbSeq);
assertEquals("number of messages in DB after test",0,dbSeq.size());
assertEquals("number of consumed messages",3,consumedMessages.size());
broker.stop();
broker.waitUntilStopped();
@ -158,7 +163,7 @@ public class TrapMessageInJDBCStoreTest extends TestCase {
MessageConsumer messageConsumer = session.createConsumer(destination);
while(true){
TextMessage textMessage= (TextMessage) messageConsumer.receive(100);
TextMessage textMessage= (TextMessage) messageConsumer.receive(4000);
LOG.debug("*** consumed Messages :"+textMessage);
if(textMessage==null){
@ -176,7 +181,7 @@ public class TrapMessageInJDBCStoreTest extends TestCase {
}
public void sendMessage(String queue, String transportURL)
throws JMSException {
throws Exception {
Connection connection = null;
try {
@ -193,32 +198,18 @@ public class TrapMessageInJDBCStoreTest extends TestCase {
TextMessage m = session.createTextMessage("1");
testTransactionContext.throwSQLException = false;
jdbc.throwSQLException = false;
LOG.debug("*** send message 1 to broker...");
producer.send(m);
testTransactionContext.throwSQLException = true;
jdbc.throwSQLException = true;
// trigger SQL exception in transactionContext
LOG.debug("*** send message 2 to broker");
m.setText("2");
// need to reset the flag in a seperate thread during the send
ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
executor.schedule(new Runnable() {
@Override
public void run() {
testTransactionContext.throwSQLException = false;
jdbc.throwSQLException = false;
}
}, 2 , TimeUnit.SECONDS);
producer.send(m);
//check db contents
ArrayList<Long> dbSeq = dbMessageCount();
LOG.info("*** after send 2 - db contains message seq " + dbSeq);
assertEquals("number of messages in DB after send 2",2,dbSeq.size());
LOG.debug("*** send message 3 to broker");
m.setText("3");
@ -266,25 +257,14 @@ public class TrapMessageInJDBCStoreTest extends TestCase {
*/
public class TestJDBCPersistenceAdapter extends JDBCPersistenceAdapter {
public boolean throwSQLException;
public TransactionContext getTransactionContext() throws IOException {
return testTransactionContext;
}
@Override
public void checkpoint(boolean sync) throws IOException {
if (throwSQLException) {
throw new IOException("checkpoint failed");
}
super.checkpoint(sync);
}
}
public class TestTransactionContext extends TransactionContext {
public boolean throwSQLException;
private int count;
public TestTransactionContext(
JDBCPersistenceAdapter jdbcPersistenceAdapter)
@ -293,14 +273,14 @@ public class TrapMessageInJDBCStoreTest extends TestCase {
}
public void executeBatch() throws SQLException {
//call
super.executeBatch();
count++;
LOG.debug("ExecuteBatchOverride: count:" + count, new RuntimeException("executeBatch"));
if (throwSQLException){
throw new SQLException("TEST SQL EXCEPTION from executeBatch after super. execution");
// throw on second add message
if (count == 16){
throw new SQLException("TEST SQL EXCEPTION from executeBatch after super.execution: count:" + count);
}
}