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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* KIND, either express or implied. See the License for the
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package org.apache.cayenne.access;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import org.apache.cayenne.DataObject;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.query.Ordering;
import org.apache.cayenne.query.Query;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.query.SortOrder;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.unit.CayenneCase;
/**
*/
public class SimpleIdIncrementalFaultListTest extends CayenneCase {
protected SimpleIdIncrementalFaultList<?> list;
protected Query query;
@Override
protected void setUp() throws Exception {
super.setUp();
deleteTestData();
}
public void testRemoveDeleted() throws Exception {
createTestData("testArtists");
DataContext context = createDataContext();
SelectQuery query = new SelectQuery(Artist.class);
query.setPageSize(10);
SimpleIdIncrementalFaultList<Artist> list = new SimpleIdIncrementalFaultList<Artist>(
context,
query);
assertEquals(25, list.size());
Artist a1 = list.get(0);
context.deleteObject(a1);
context.commitChanges();
list.remove(0);
assertEquals(24, list.size());
}
protected void prepareList(int pageSize) throws Exception {
super.setUp();
deleteTestData();
createTestData("testArtists");
SelectQuery q = new SelectQuery("Artist");
// make sure total number of objects is not divisable
// by the page size, to test the last smaller page
q.setPageSize(pageSize);
q.addOrdering("db:ARTIST_ID", SortOrder.ASCENDING);
query = q;
list = new SimpleIdIncrementalFaultList<Object>(createDataContext(), query);
}
public void testSize() throws Exception {
prepareList(6);
assertEquals(25, list.size());
}
public void testSmallList() throws Exception {
prepareList(49);
assertEquals(25, list.size());
}
public void testOnePageList() throws Exception {
prepareList(25);
assertEquals(25, list.size());
}
public void testIterator() throws Exception {
prepareList(6);
Iterator it = list.iterator();
int counter = 0;
while (it.hasNext()) {
Object obj = it.next();
assertNotNull(obj);
assertTrue(obj instanceof DataObject);
// 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 testNewObject() throws Exception {
deleteTestData();
createTestData("testArtists");
DataContext context = createDataContext();
Artist newArtist = context.newObject(Artist.class);
newArtist.setArtistName("X");
context.commitChanges();
SelectQuery q = new SelectQuery(Artist.class);
q.setPageSize(6);
q.addOrdering("db:ARTIST_ID", SortOrder.DESCENDING);
SimpleIdIncrementalFaultList<?> list = new SimpleIdIncrementalFaultList<Object>(
context,
q);
assertSame(newArtist, list.get(25));
}
public void testListIterator() throws Exception {
prepareList(6);
ListIterator it = list.listIterator();
int counter = 0;
while (it.hasNext()) {
Object obj = it.next();
assertNotNull(obj);
assertTrue(obj instanceof DataObject);
// 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 testSort() throws Exception {
prepareList(6);
new Ordering(Artist.ARTIST_NAME_PROPERTY, SortOrder.DESCENDING).orderList(list);
Iterator it = list.iterator();
Artist previousArtist = null;
while (it.hasNext()) {
Artist artist = (Artist) it.next();
if (previousArtist != null) {
assertTrue(previousArtist.getArtistName().compareTo(
artist.getArtistName()) > 0);
}
}
}
public void testUnfetchedObjects() throws Exception {
prepareList(6);
assertEquals(25, list.getUnfetchedObjects());
list.get(7);
assertEquals(25 - 6, 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 Long);
assertTrue(list.elements.get(8) instanceof Long);
list.resolveInterval(5, 10);
assertTrue(list.elements.get(7) instanceof Artist);
list.resolveAll();
assertTrue((list.elements.get(list.size() - 1)) instanceof Artist);
}
public void testGet1() throws Exception {
prepareList(6);
assertTrue(list.elements.get(0) instanceof Long);
assertTrue(list.elements.get(8) instanceof Long);
Object a = list.get(8);
assertNotNull(a);
assertTrue(a instanceof Artist);
assertTrue(list.elements.get(8) instanceof Artist);
}
public void testGet2() throws Exception {
prepareList(6);
((SelectQuery) query).setFetchingDataRows(true);
assertTrue(list.elements.get(0) instanceof Long);
assertTrue(list.elements.get(8) instanceof Long);
Object a0 = list.get(0);
assertNotNull(a0);
assertTrue(list.elements.get(0) instanceof Artist);
Object a = list.get(8);
assertNotNull(a);
assertTrue(list.elements.get(8) instanceof Artist);
}
public void testIndexOf() throws Exception {
prepareList(6);
Expression qual = ExpressionFactory.matchExp("artistName", "artist20");
SelectQuery query = new SelectQuery(Artist.class, qual);
List artists = list.dataContext.performQuery(query);
assertEquals(1, artists.size());
Artist row = (Artist) artists.get(0);
assertEquals(19, list.indexOf(row));
assertEquals(-1, list.indexOf(list.dataContext.newObject("Artist")));
}
public void testLastIndexOf() throws Exception {
prepareList(6);
Expression qual = ExpressionFactory.matchExp("artistName", "artist20");
SelectQuery query = new SelectQuery(Artist.class, qual);
List artists = list.dataContext.performQuery(query);
assertEquals(1, artists.size());
Artist row = (Artist) artists.get(0);
assertEquals(19, list.lastIndexOf(row));
assertEquals(-1, list.lastIndexOf(list.dataContext.newObject("Artist")));
}
}