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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
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package org.apache.olingo.odata2.jpa.processor.core.access.data;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.List;
import org.apache.olingo.odata2.jpa.processor.core.access.data.JPAPage.JPAPageBuilder;
import org.junit.Test;
public class JPAPageBuilderDeltaTest {
private static final int PAGE_SIZE = 10;
@Test
public void testBuildDefaultDelta() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("10")
.build();
assertEquals(20, page.getNextPage());
assertEquals(10, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
assertNotNull(page.getPagedEntities());
assertEquals(10, page.getPagedEntities().size());
List<Object> pagedEntities = page.getPagedEntities();
assertEquals("9", pagedEntities.get(0));
assertEquals("18", pagedEntities.get(9));
}
@Test
public void testBuildWithNoSkipTokenDelta() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("0")
.build();
assertEquals(10, page.getNextPage());
assertEquals(0, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
assertNotNull(page.getPagedEntities());
List<Object> pagedEntities = page.getPagedEntities();
assertEquals(10, pagedEntities.size());
assertEquals("0", pagedEntities.get(0));
assertEquals("9", pagedEntities.get(9));
}
@Test
public void testBuildDefaultZeroPageDelta() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(0)
.skipToken("10")
.build();
assertEquals(0, page.getNextPage());
assertEquals(0, page.getStartPage());
assertEquals(0, page.getPageSize());
assertNotNull(page.getPagedEntities());
assertEquals(0, page.getPagedEntities().size());
}
@Test
public void testBuildWithNullSkipToken() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken(null)
.build();
assertEquals(10, page.getNextPage());
assertEquals(0, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
List<Object> pagedEntities = page.getPagedEntities();
assertNotNull(pagedEntities);
assertEquals("0", pagedEntities.get(0));
assertEquals("9", pagedEntities.get(9));
}
@Test
public void testBuildWithInvalidSkipToken() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
try {
pageBuilder.entities(mockEntities())
.skipToken("AB");
} catch (NumberFormatException e) {
return;
}
fail("Exception Expected");
}
@Test
public void testBuildWithTop() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("20")
.top(5)
.build();
assertEquals(0, page.getNextPage());
assertEquals(20, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
List<Object> pagedEntities = page.getPagedEntities();
assertNotNull(pagedEntities);
assertEquals(5, pagedEntities.size());
assertEquals("19", pagedEntities.get(0));
assertEquals("23", pagedEntities.get(4));
}
@Test
public void testBuildWithTopZeroPage() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(0)
.skipToken("10")
.top(5)
.build();
assertEquals(0, page.getNextPage());
assertEquals(0, page.getStartPage());
assertEquals(0, page.getPageSize());
assertNotNull(page.getPagedEntities());
assertEquals(5, page.getPagedEntities().size());
}
@Test
public void testBuildWithSkipZeroPage() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(0)
.skipToken("10")
.skip(5)
.build();
assertEquals(0, page.getNextPage());
assertEquals(0, page.getStartPage());
assertEquals(0, page.getPageSize());
assertNotNull(page.getPagedEntities());
assertEquals(0, page.getPagedEntities().size());
}
@Test
public void testBuildWithTopSkipZeroPage() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(0)
.skipToken("10")
.skip(5)
.top(5)
.build();
assertEquals(0, page.getNextPage());
assertEquals(0, page.getStartPage());
assertEquals(0, page.getPageSize());
assertNotNull(page.getPagedEntities());
assertEquals(5, page.getPagedEntities().size());
}
@Test
public void testBuildWithTopExceeds() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("10")
.top(15)
.build();
assertEquals(20, page.getNextPage());
assertEquals(10, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
List<Object> pagedEntities = page.getPagedEntities();
assertNotNull(pagedEntities);
assertEquals(10, pagedEntities.size());
assertEquals("9", pagedEntities.get(0));
assertEquals("18", pagedEntities.get(9));
}
@Test
public void testBuildWithTopSkipExceeds() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("10")
.top(5)
.skip(10)
.build();
assertEquals(0, page.getNextPage());
assertEquals(10, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
List<Object> pagedEntities = page.getPagedEntities();
assertEquals(0, pagedEntities.size());
}
@Test
public void testBuildWithTopSkipMore() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("10")
.top(5)
.skip(9)
.build();
assertEquals(0, page.getNextPage());
assertEquals(10, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
List<Object> pagedEntities = page.getPagedEntities();
assertNotNull(pagedEntities);
assertEquals("18", pagedEntities.get(0));
assertEquals(1, pagedEntities.size());
}
@Test
public void testBuildWithTopMoreSkip() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("10")
.top(15)
.skip(9)
.build();
assertEquals(0, page.getNextPage());
assertEquals(10, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
List<Object> pagedEntities = page.getPagedEntities();
assertNotNull(pagedEntities);
assertEquals("18", pagedEntities.get(0));
assertEquals(1, pagedEntities.size());
}
@Test
public void testBuildWithTopXSkipX() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("10")
.top(15)
.skip(15)
.build();
assertEquals(0, page.getNextPage());
assertEquals(10, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
List<Object> pagedEntities = page.getPagedEntities();
assertNotNull(pagedEntities);
assertEquals(0, pagedEntities.size());
}
@Test
public void testBuildWithNegativeTop() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("10")
.top(-5)
.build();
assertEquals(20, page.getNextPage());
assertEquals(10, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
List<Object> pagedEntities = page.getPagedEntities();
assertNotNull(pagedEntities);
assertEquals("9", pagedEntities.get(0));
assertEquals(10, pagedEntities.size());
}
@Test
public void testBuildWithNegativeTopSkipToken() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("-10")
.top(-5)
.skip(-1)
.build();
assertEquals(10, page.getNextPage());
assertEquals(0, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
List<Object> pagedEntities = page.getPagedEntities();
assertNotNull(pagedEntities);
assertEquals(10, pagedEntities.size());
}
@Test
public void testBuildWithNoRecords() {
JPAPageBuilder pageBuilder = new JPAPageBuilder();
JPAPage page = pageBuilder.entities(mockEntities())
.pageSize(PAGE_SIZE)
.skipToken("10")
.top(1)
.skip(1)
.build();
assertEquals(0, page.getNextPage());
assertEquals(10, page.getStartPage());
assertEquals(PAGE_SIZE, page.getPageSize());
List<Object> pagedEntities = page.getPagedEntities();
assertNotNull(pagedEntities);
assertEquals(1, pagedEntities.size());
assertEquals("10", pagedEntities.get(0));
}
private List<Object> mockEntities() {
List<Object> entities = new ArrayList<Object>();
for (int i = 0; i < 30; i++) {
entities.add(String.valueOf(i));
}
return entities;
}
}