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package org.apache.cayenne.remote;
import org.apache.cayenne.CayenneContext;
import org.apache.cayenne.Persistent;
import org.apache.cayenne.di.Inject;
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.test.jdbc.DBHelper;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.mt.ClientMtTable1;
import org.apache.cayenne.testdo.mt.MtTable1;
import org.apache.cayenne.unit.di.client.ClientCase;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Before;
import org.junit.Test;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
@UseServerRuntime(CayenneProjects.MULTI_TIER_PROJECT)
public class RemoteIncrementalFaultListIT extends ClientCase {
private static final int COUNT = 25;
@Inject
private CayenneContext clientContext;
@Inject
private DBHelper dbHelper;
private TableHelper tMTTable;
private RemoteIncrementalFaultList list;
@Before
public void setUp() throws Exception {
tMTTable = new TableHelper(dbHelper, "MT_TABLE1");
tMTTable.setColumns("TABLE1_ID", "GLOBAL_ATTRIBUTE1",
"SERVER_ATTRIBUTE1");
}
protected void createObjectsDataSet() throws Exception {
tMTTable.insert(1, "g1", "s1");
tMTTable.insert(2, "g2", "s2");
tMTTable.insert(3, "g3", "s3");
tMTTable.insert(4, "g4", "s4");
tMTTable.insert(5, "g5", "s5");
tMTTable.insert(6, "g6", "s6");
tMTTable.insert(7, "g7", "s7");
tMTTable.insert(8, "g8", "s8");
tMTTable.insert(9, "g9", "s9");
tMTTable.insert(10, "g10", "s10");
tMTTable.insert(11, "g11", "s11");
tMTTable.insert(12, "g12", "s12");
tMTTable.insert(13, "g13", "s13");
tMTTable.insert(14, "g14", "s14");
tMTTable.insert(15, "g15", "s15");
tMTTable.insert(16, "g16", "s16");
tMTTable.insert(17, "g17", "s17");
tMTTable.insert(18, "g18", "s18");
tMTTable.insert(19, "g19", "s19");
tMTTable.insert(20, "g20", "s20");
tMTTable.insert(21, "g21", "s21");
tMTTable.insert(22, "g22", "s22");
tMTTable.insert(23, "g23", "s23");
tMTTable.insert(24, "g24", "s24");
tMTTable.insert(25, "g25", "s25");
}
private void prepareList(int pageSize) throws Exception {
createObjectsDataSet();
SelectQuery<ClientMtTable1> query = new SelectQuery<ClientMtTable1>(
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);
list = new RemoteIncrementalFaultList(clientContext, query);
}
@Test
public void testSize() throws Exception {
prepareList(6);
assertEquals(COUNT, list.size());
}
@Test
public void testIteratorPageSize1() throws Exception {
doTestIterator(1);
}
@Test
public void testIteratorPageSize5() throws Exception {
// size divisiable by page size
doTestIterator(5);
}
@Test
public void testIteratorPageSize6() throws Exception {
// size not divisable by page size
doTestIterator(6);
}
@Test
public void testIteratorPageSize25() throws Exception {
// size equals to page size
doTestIterator(COUNT);
}
@Test
public void testIteratorPageSize26() throws Exception {
// size exceeding page size
doTestIterator(COUNT + 1);
}
@Test
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++;
}
}
@Test
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());
}
@Test
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
}
}
@Test
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);
}
@Test
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);
}
@Test
public void testIndexOf() throws Exception {
prepareList(6);
Expression qual = ExpressionFactory.matchExp(
ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY, "g20");
SelectQuery<ClientMtTable1> query = new SelectQuery<ClientMtTable1>(
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)));
}
@Test
public void testLastIndexOf() throws Exception {
prepareList(6);
Expression qual = ExpressionFactory.matchExp(
ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY, "g20");
SelectQuery<ClientMtTable1> query = new SelectQuery<ClientMtTable1>(
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++;
}
}
}