package org.infinispan.api.mvcc.repeatable_read;
import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertNotNull;
import static org.testng.AssertJUnit.assertNull;
import javax.transaction.RollbackException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import org.infinispan.Cache;
import org.infinispan.api.mvcc.LockTestBase;
import org.infinispan.test.Exceptions;
import org.infinispan.transaction.tm.EmbeddedTransactionManager;
import org.testng.annotations.Test;
@Test(groups = "functional", testName = "api.mvcc.repeatable_read.RepeatableReadLockTest")
public class RepeatableReadLockTest extends LockTestBase {
public RepeatableReadLockTest() {
repeatableRead = true;
}
public void testRepeatableReadWithRemove() throws Exception {
LockTestData tl = lockTestData;
Cache<String, String> cache = tl.cache;
TransactionManager tm = tl.tm;
cache.put("k", "v");
tm.begin();
assertNotNull(cache.get("k"));
Transaction reader = tm.suspend();
tm.begin();
assertNotNull(cache.remove("k"));
assertNull(cache.get("k"));
tm.commit();
assertNull(cache.get("k"));
tm.resume(reader);
assertNotNull(cache.get("k"));
assertEquals("v", cache.get("k"));
tm.commit();
assertNull(cache.get("k"));
assertNoLocks();
}
public void testRepeatableReadWithEvict() throws Exception {
LockTestData tl = lockTestData;
Cache<String, String> cache = tl.cache;
TransactionManager tm = tl.tm;
cache.put("k", "v");
tm.begin();
assertNotNull(cache.get("k"));
Transaction reader = tm.suspend();
tm.begin();
cache.evict("k");
assertNull(cache.get("k"));
tm.commit();
assertNull(cache.get("k"));
tm.resume(reader);
assertNotNull(cache.get("k"));
assertEquals("v", cache.get("k"));
tm.commit();
assertNull(cache.get("k"));
assertNoLocks();
}
public void testRepeatableReadWithNull() throws Exception {
LockTestData tl = lockTestData;
Cache<String, String> cache = tl.cache;
TransactionManager tm = tl.tm;
assertNull(cache.get("k"));
tm.begin();
assertNull(cache.get("k"));
Transaction reader = tm.suspend();
tm.begin();
cache.put("k", "v");
assertNotNull(cache.get("k"));
assertEquals("v", cache.get("k"));
tm.commit();
assertNotNull(cache.get("k"));
assertEquals("v", cache.get("k"));
tm.resume(reader);
assertEquals(null, cache.get("k"));
tm.commit();
assertNotNull(cache.get("k"));
assertEquals("v", cache.get("k"));
assertNoLocks();
}
public void testRepeatableReadWithNullRemoval() throws Exception {
LockTestData tl = lockTestData;
Cache<String, String> cache = tl.cache;
TransactionManager tm = tl.tm;
// start with an empty cache
tm.begin();
cache.get("a");
Transaction tx = tm.suspend();
cache.put("a", "v2");
assertEquals(cache.get("a"), "v2");
tm.resume(tx);
assertEquals(null, cache.get("a"));
cache.remove("a");
Exceptions.expectException(RollbackException.class, tm::commit);
assertEquals(cache.get("a"), "v2");
}
@Override
public void testLocksOnPutKeyVal() throws Exception {
LockTestData tl = lockTestData;
Cache<String, String> cache = tl.cache;
EmbeddedTransactionManager tm = tl.tm;
tm.begin();
cache.put("k", "v");
tm.getTransaction().runPrepare();
assertLocked("k");
tm.getTransaction().runCommit(false);
tm.suspend();
assertNoLocks();
tm.begin();
assertEquals(cache.get("k"), "v");
assertNotLocked("k");
tm.commit();
assertNoLocks();
tm.begin();
cache.remove("k");
tm.getTransaction().runPrepare();
assertLocked("k");
tm.getTransaction().runCommit(false);
assertNoLocks();
}
}