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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.remote;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import org.apache.cayenne.CayenneContext;
import org.apache.cayenne.Persistent;
import org.apache.cayenne.access.ClientServerChannel;
import org.apache.cayenne.event.MockEventManager;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.query.SortOrder;
import org.apache.cayenne.remote.service.LocalConnection;
import org.apache.cayenne.testdo.mt.ClientMtTable1;
import org.apache.cayenne.testdo.mt.MtTable1;
import org.apache.cayenne.unit.AccessStack;
import org.apache.cayenne.unit.CayenneCase;
import org.apache.cayenne.unit.CayenneResources;
public class RemoteIncrementalFaultListTest extends CayenneCase {
static final int COUNT = 25;
protected RemoteIncrementalFaultList list;
protected SelectQuery query;
@Override
protected AccessStack buildAccessStack() {
return CayenneResources
.getResources()
.getAccessStack(MULTI_TIER_ACCESS_STACK);
}
protected void prepareList(int pageSize) throws Exception {
deleteTestData();
createTestData("testObjects");
this.query = new SelectQuery(ClientMtTable1.class);
// make sure total number of objects is not divisable
// by the page size, to test the last smaller page
query.setPageSize(pageSize);
query.addOrdering("db:" + MtTable1.TABLE1_ID_PK_COLUMN, SortOrder.ASCENDING);
ClientServerChannel serverChannel = new ClientServerChannel(getDomain());
LocalConnection connection = new LocalConnection(
serverChannel,
LocalConnection.HESSIAN_SERIALIZATION);
ClientChannel clientChannel = new ClientChannel(connection,
false,
new MockEventManager(),
false);
this.list = new RemoteIncrementalFaultList(
new CayenneContext(clientChannel),
query);
}
public void testSize() throws Exception {
prepareList(6);
assertEquals(COUNT, list.size());
}
public void testIteratorPageSize1() throws Exception {
doTestIterator(1);
}
public void testIteratorPageSize5() throws Exception {
// size divisiable by page size
doTestIterator(5);
}
public void testIteratorPageSize6() throws Exception {
// size not divisable by page size
doTestIterator(6);
}
public void testIteratorPageSize25() throws Exception {
// size equals to page size
doTestIterator(COUNT);
}
public void testIteratorPageSize26() throws Exception {
// size exceeding page size
doTestIterator(COUNT + 1);
}
public void testListIterator() throws Exception {
prepareList(6);
ListIterator it = list.listIterator();
assertTrue(it.hasNext());
int counter = 0;
while (it.hasNext()) {
Object obj = it.next();
assertNotNull(obj);
assertTrue(obj instanceof Persistent);
// iterator must be resolved page by page
int expectedResolved = list.pageIndex(counter)
* list.getPageSize()
+ list.getPageSize();
if (expectedResolved > list.size()) {
expectedResolved = list.size();
}
assertEquals(list.size() - expectedResolved, list.getUnfetchedObjects());
counter++;
}
}
public void testUnfetchedObjects() throws Exception {
prepareList(6);
assertEquals(COUNT - 6, list.getUnfetchedObjects());
list.get(7);
assertEquals(COUNT - 12, list.getUnfetchedObjects());
list.resolveAll();
assertEquals(0, list.getUnfetchedObjects());
}
public void testPageIndex() throws Exception {
prepareList(6);
assertEquals(0, list.pageIndex(0));
assertEquals(0, list.pageIndex(1));
assertEquals(1, list.pageIndex(6));
try {
assertEquals(13, list.pageIndex(82));
fail("Element index beyound array size must throw an IndexOutOfBoundsException.");
}
catch (IndexOutOfBoundsException ex) {
// exception expercted
}
}
public void testPagesRead1() throws Exception {
prepareList(6);
assertTrue(list.elements.get(0) instanceof ClientMtTable1);
assertSame(RemoteIncrementalFaultList.PLACEHOLDER, list.elements.get(8));
list.resolveInterval(5, 10);
assertTrue(list.elements.get(7) instanceof ClientMtTable1);
list.resolveAll();
assertTrue((list.elements.get(list.size() - 1)) instanceof ClientMtTable1);
}
public void testGet1() throws Exception {
prepareList(6);
assertTrue(list.elements.get(0) instanceof ClientMtTable1);
assertSame(RemoteIncrementalFaultList.PLACEHOLDER, list.elements.get(8));
Object a = list.get(8);
assertNotNull(a);
assertTrue(a instanceof ClientMtTable1);
assertTrue(list.elements.get(8) instanceof ClientMtTable1);
}
public void testIndexOf() throws Exception {
prepareList(6);
Expression qual = ExpressionFactory.matchExp(
ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY,
"g20");
SelectQuery query = new SelectQuery(ClientMtTable1.class, qual);
List artists = list.context.performQuery(query);
assertEquals(1, artists.size());
ClientMtTable1 row = (ClientMtTable1) artists.get(0);
assertEquals(19, list.indexOf(row));
assertEquals(-1, list.indexOf(list.context.newObject(ClientMtTable1.class)));
}
public void testLastIndexOf() throws Exception {
prepareList(6);
Expression qual = ExpressionFactory.matchExp(
ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY,
"g20");
SelectQuery query = new SelectQuery(ClientMtTable1.class, qual);
List objects = list.context.performQuery(query);
assertEquals(1, objects.size());
ClientMtTable1 row = (ClientMtTable1) objects.get(0);
assertEquals(19, list.lastIndexOf(row));
assertEquals(-1, list.lastIndexOf(list.context.newObject(ClientMtTable1.class)));
}
private void doTestIterator(int size) throws Exception {
prepareList(size);
Iterator it = list.iterator();
assertTrue(it.hasNext());
int counter = 0;
while (it.hasNext()) {
Object obj = it.next();
assertNotNull(obj);
assertTrue(obj instanceof Persistent);
// iterator must be resolved page by page
int expectedResolved = list.pageIndex(counter)
* list.getPageSize()
+ list.getPageSize();
if (expectedResolved > list.size()) {
expectedResolved = list.size();
}
assertEquals(list.size() - expectedResolved, list.getUnfetchedObjects());
counter++;
}
}
}