public void testTransactionConsistentVersion() throws Exception {
store(new Item(NEWER));
db().commit();
Item newer = itemByName(NEWER);
Item original = itemByName(ORIGINAL);
Assert.isGreater(version(original), version(newer));
newer._name += " modified";
original._name += " modified";
store(newer);
store(original);
db().commit();
Assert.areEqual(version(newer), version(original));
reopen();
newer = itemByName(newer._name);
original = itemByName(original._name);
Assert.areEqual(version(newer), version(original));
}
public void testQueryEvents() {
EventRegistry registry = EventRegistryFactory.forObjectContainer(db());
EventRecorder recorder = new EventRecorder(fileSession().lock());
registry.queryStarted().addListener(recorder);
registry.queryFinished().addListener(recorder);
Assert.areEqual(0, recorder.size());
Query q = db().query();
q.execute();
Assert.areEqual(2, recorder.size());
EventRecord e1 = recorder.get(0);
Assert.areSame(registry.queryStarted(), e1.e);
Assert.areSame(q, ((QueryEventArgs) e1.args).query());
EventRecord e2 = recorder.get(1);
Assert.areSame(registry.queryFinished(), e2.e);
Assert.areSame(q, ((QueryEventArgs) e2.args).query());
recorder.clear();
registry.queryStarted().removeListener(recorder);
registry.queryFinished().removeListener(recorder);
db().query().execute();
Assert.areEqual(0, recorder.size());
}
public void testUpdateAndQuery() {
Item item1 = new Item();
store(item1);
Item item2 = new Item();
store(item2);
commit();
long initialCommitTimestamp1 = db().getObjectInfo(item1).getCommitTimestamp();
long initialCommitTimestamp2 = db().getObjectInfo(item2).getCommitTimestamp();
Assert.areEqual(initialCommitTimestamp1, initialCommitTimestamp2);
store(item2);
commit();
long secondCommitTimestamp1 = db().getObjectInfo(item1).getCommitTimestamp();
long secondCommitTimestamp2 = db().getObjectInfo(item2).getCommitTimestamp();
Assert.areEqual(initialCommitTimestamp1, secondCommitTimestamp1);
Assert.areNotEqual(initialCommitTimestamp2, secondCommitTimestamp2);
assertQueryForTimestamp(item1, initialCommitTimestamp1);
assertQueryForTimestamp(item2, secondCommitTimestamp2);
}
public void testAllThere() throws Exception {
for (int i = 0; i < FOOS.length; i++) {
Query q = createQuery(FOOS[i]);
ObjectSet objectSet = q.execute();
Assert.areEqual(1, objectSet.size());
FieldIndexItem fii = (FieldIndexItem) objectSet.next();
Assert.areEqual(FOOS[i], fii.foo);
}
}
public void conc(ExtObjectContainer oc) {
Query q = oc.query();
q.constrain(QueryForUnknownFieldTestCase.class);
q.descend("_name").constrain("name");
Assert.areEqual(1, q.execute().size());
q = oc.query();
q.constrain(QueryForUnknownFieldTestCase.class);
q.descend("name").constrain("name");
Assert.areEqual(0, q.execute().size());
}
// It will fail for C/S because the reference system in the
// server is not in sync.
@SuppressWarnings("unchecked")
public void _testChangingSODA() throws Exception {
populate();
_b.a = new A();
ObjectSet set = executeSODAQuery(_a, new Evaluator(_a));
Assert.areEqual(0, set.size());
set = executeSODAQuery(_b.a, new Evaluator(_b.a));
Assert.areEqual(1, set.size());
}
private void tUpdateB(ExtObjectContainer oc) {
ObjectSet res = query(oc, "b");
CreateIndexFor ci = (CreateIndexFor) res.next();
ci.i_name = "j";
oc.store(ci);
res = query(oc, "b");
Assert.areEqual(0, res.size());
res = query(oc, "j");
Assert.areEqual(1, res.size());
ci.i_name = "b";
oc.store(ci);
tQueryB(oc);
}
public void checkUpdateDifferentObject(ExtObjectContainer oc) throws Exception {
ObjectSet result = oc.query(SimpleObject.class);
Assert.areEqual(COUNT, result.size());
while (result.hasNext()) {
SimpleObject o = (SimpleObject) result.next();
int i = o.getI();
if (i >= COUNT) {
i -= COUNT;
}
Assert.areEqual(testString + i, o.getS());
}
}
private void tExpectInts(Query q, int[] ints, int zeroSize) {
ObjectSet res = q.execute();
Assert.areEqual(ints.length + zeroSize, res.size());
while (res.hasNext()) {
CreateIndexFor ci = (CreateIndexFor) res.next();
for (int i = 0; i < ints.length; i++) {
if (ints[i] == ci.i_int) {
ints[i] = 0;
break;
}
}
}
for (int i = 0; i < ints.length; i++) {
Assert.areEqual(0, ints[i]);
}
}
public void checkUpdate(ExtObjectContainer oc) {
Query q = oc.query();
q.constrain(IndexedByIdentityTestCase.class);
ObjectSet os = q.execute();
Assert.areEqual(COUNT, os.size());
String expected = null;
while (os.hasNext()) {
IndexedByIdentityTestCase idi = (IndexedByIdentityTestCase) os.next();
if (expected == null) {
expected = idi.atom.name;
Assert.isTrue(expected.startsWith("updated"));
Assert.isTrue(expected.length() > "updated".length());
}
Assert.areEqual(expected, idi.atom.name);
}
}
public void testDeleteKey() {
Item keyItem = storedItem(KEY_ID);
db().delete(keyItem);
db().commit();
Holder holder = retrieveOnlyInstance(Holder.class);
Assert.areEqual(0, holder._map.size());
}
void checkHelper(Db4oHashMapHelper helper) {
ExtObjectContainer con = db();
if (con.isActive(helper)) {
Assert.areEqual("hi", helper.i_childList.get(0));
checkHelper(helper.i_child);
}
}
public void conc(ExtObjectContainer oc) {
oc.queryByExample((new QueryNonExistantTestCase(true)));
assertOccurrences(oc, QueryNonExistantTestCase.class, 0);
Query q = oc.query();
q.constrain(new QueryNonExistantTestCase(true));
Assert.areEqual(0, q.execute().size());
}
public void concRead(ExtObjectContainer oc) {
for (int i = 0; i < COUNT; i++) {
Query q = oc.query();
q.constrain(Atom.class);
q.descend("name").constrain("ibi" + i);
ObjectSet objectSet = q.execute();
Assert.areEqual(1, objectSet.size());
Atom child = (Atom) objectSet.next();
q = oc.query();
q.constrain(IndexedByIdentityTestCase.class);
q.descend("atom").constrain(child).identity();
objectSet = q.execute();
Assert.areEqual(1, objectSet.size());
IndexedByIdentityTestCase ibi = (IndexedByIdentityTestCase) objectSet.next();
Assert.areSame(child, ibi.atom);
}
}
public void testDeleteValue() {
Item valueItem = storedItem(VALUE_ID);
db().delete(valueItem);
db().commit();
Holder holder = retrieveOnlyInstance(Holder.class);
Assert.areEqual(1, holder._map.size());
Assert.isNull(holder._map.get(storedItem(KEY_ID)));
}
public void _test() throws Exception {
Query query = newQuery();
query.constrain(new TestEvaluation());
query.constrain(Item.class);
query.descend("name").orderDescending();
ObjectSet set = query.execute();
Assert.areEqual(3, set.size());
}
private void assertDescendingRange(int startingValue, TAItem item) {
TAItem current = item;
while (current != null) {
Assert.areEqual(startingValue, current.value());
current = current.next();
startingValue--;
}
}
@SuppressWarnings("unchecked")
public void testCircularEvaluation() throws Exception {
populate();
CircularEvaluator.D one = new CircularEvaluator.D(null, _a);
CircularEvaluator.D two = new CircularEvaluator.D(one, _a);
one._d = two;
ObjectSet set = executeSODAQuery(_a, new CircularEvaluator(one));
Assert.areEqual(1, set.size());
}
private void assertOrdered(ObjectSet result) {
Assert.areEqual(IDS.length, result.size());
int previousId = 0;
while (result.hasNext()) {
Data data = (Data) result.next();
Assert.isTrue(previousId < data._id);
previousId = data._id;
}
}
private void assertQueryForTimestamp(Item expected, long timestamp) {
Query query = db().query();
query.constrain(Item.class);
query.descend(VirtualField.COMMIT_TIMESTAMP).constrain(timestamp);
ObjectSet<Object> objectSet = query.execute();
Assert.areEqual(1, objectSet.size());
Item actual = (Item) objectSet.next();
Assert.areSame(expected, actual);
}
public void checkUpdateSameObject(ExtObjectContainer oc) throws Exception {
Query query = oc.query();
query.descend("_s").constrain(testString + COUNT / 2);
ObjectSet result = query.execute();
Assert.areEqual(1, result.size());
SimpleObject o = (SimpleObject) result.next();
int i = o.getI();
Assert.isTrue(COUNT <= i && i < COUNT + threadCount());
}
public void concUpdateSameObject(ExtObjectContainer oc, int seq) throws Exception {
Query query = oc.query();
query.descend("_s").constrain(testString + COUNT / 2);
ObjectSet result = query.execute();
Assert.areEqual(1, result.size());
SimpleObject o = (SimpleObject) result.next();
o.setI(COUNT + seq);
oc.store(o);
}
public void concUpdate(ExtObjectContainer oc, int seq) throws Exception {
Query q = oc.query();
q.constrain(IndexedByIdentityTestCase.class);
ObjectSet os = q.execute();
Assert.areEqual(COUNT, os.size());
while (os.hasNext()) {
IndexedByIdentityTestCase idi = (IndexedByIdentityTestCase) os.next();
idi.atom.name = "updated" + seq;
oc.store(idi);
Thread.sleep(100);
}
}
public void concUpdateDifferentObject(ExtObjectContainer oc, int seq) throws Exception {
Query query = oc.query();
query
.descend("_s")
.constrain(testString + seq)
.and(query.descend("_i").constrain(new Integer(seq)));
ObjectSet result = query.execute();
Assert.areEqual(1, result.size());
SimpleObject o = (SimpleObject) result.next();
o.setI(seq + COUNT);
oc.store(o);
}
public void testQueryForVersionNumber() {
store(new Item(NEWER));
db().commit();
Item newer = itemByName(NEWER);
long version = version(newer);
Query query = db().query();
query.descend(VirtualField.COMMIT_TIMESTAMP).constrain(new Long(version)).smaller().not();
ObjectSet<Item> set = query.execute();
Assert.areEqual(1, set.size());
Assert.areSame(newer, set.next());
}
/**
* This is to ensure that reflector.forObject(GenericArray) returns an instance of
* GenericArrayClass instead of GenericClass http://tracker.db4o.com/jira/browse/COR-376
*/
public void testGenericArrayClass() {
ExtObjectContainer oc = fixture().db();
initGenericObjects();
ReflectClass elementType = oc.reflector().forName(PERSON_CLASSNAME);
Object array = reflector().array().newInstance(elementType, 5);
ReflectClass arrayClass = oc.reflector().forObject(array);
Assert.isTrue(arrayClass.isArray());
Assert.isTrue(arrayClass instanceof GenericArrayClass);
arrayClass = oc.reflector().forName(array.getClass().getName());
Assert.isTrue(arrayClass.isArray());
Assert.isTrue(arrayClass instanceof GenericArrayClass);
arrayClass = oc.reflector().forClass(array.getClass());
Assert.isTrue(arrayClass.isArray());
Assert.isTrue(arrayClass instanceof GenericArrayClass);
Assert.areEqual(arrayClass.getName(), ReflectPlatform.fullyQualifiedName(array.getClass()));
Assert.areEqual("(GA) " + elementType.getName(), array.toString());
}
private void tDefaultArray(Object[] arr) {
Assert.areEqual(DEFAULT.length, arr.length);
String str[] = new String[DEFAULT.length];
System.arraycopy(DEFAULT, 0, str, 0, DEFAULT.length);
for (int i = 0; i < arr.length; i++) {
boolean found = false;
for (int j = 0; j < str.length; j++) {
if (arr[i].equals(str[j])) {
str[j] = null;
found = true;
}
}
Assert.isTrue(found);
}
for (int j = 0; j < str.length; j++) {
Assert.isNull(str[j]);
}
}
public void _testKillingClients() throws InterruptedException {
final int CLIENT_COUNT = 3;
final StringBuffer results = new StringBuffer();
ThreadServices.spawnAndJoin(
"ClientProcessesTestCase.testKillingClients",
CLIENT_COUNT,
new CodeBlock() {
public void run() throws Throwable {
results.append(
JavaServices.startAndKillJavaProcess(
clientRunnerCommand(), CLIENT_STARTED_OK, 10000));
}
});
Assert.areEqual(1, connectedClients());
System.out.println(results);
}
@SuppressWarnings("unchecked")
public void testDeepTwoEvaluation() throws Exception {
populate();
ObjectSet set = executeSODAQuery(_a, new DeepTwoEvaluator(new DeepTwoEvaluator.C(_a)));
Assert.areEqual(1, set.size());
}
private void assertData() {
Holder holder = (Holder) retrieveOnlyInstance(Holder.class);
Assert.isNotNull(holder._item);
Assert.areEqual(NAME, holder._item._name);
}