/*
* Copyright 2012 Objectos, Fábrica de Software LTDA.
*
* Licensed 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 specific language governing permissions and limitations under
* the License.
*/
package br.com.objectos.way.ui;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import org.testng.annotations.Test;
import br.com.objectos.way.ui.Pager;
import br.com.objectos.way.ui.PagerJson;
/**
* @author marcio.endo@objectos.com.br (Marcio Endo)
*/
@Test
public class PagerTest {
public void at_the_first_page_without_next() {
Pager res = new PagerJson(0, 10, 9);
assertThat(res.isHasPrevious(), is(false));
assertThat(res.isHasNext(), is(false));
assertThat(res.getFirstIndex(), equalTo(1));
assertThat(res.getLastIndex(), equalTo(9));
assertThat(res.getPreviousPage(), equalTo(0));
assertThat(res.getPage(), equalTo(0));
assertThat(res.getNextPage(), equalTo(0));
assertThat(res.getPageTotal(), equalTo(1));
}
public void at_the_first_page_with_next() {
Pager res = new PagerJson(0, 10, 15);
assertThat(res.isHasPrevious(), is(false));
assertThat(res.isHasNext(), is(true));
assertThat(res.getFirstIndex(), equalTo(1));
assertThat(res.getLastIndex(), equalTo(10));
assertThat(res.getPreviousPage(), equalTo(0));
assertThat(res.getPage(), equalTo(0));
assertThat(res.getNextPage(), equalTo(1));
assertThat(res.getPageTotal(), equalTo(2));
}
public void at_middle() {
Pager res = new PagerJson(2, 10, 78);
assertThat(res.isHasPrevious(), is(true));
assertThat(res.isHasNext(), is(true));
assertThat(res.getFirstIndex(), equalTo(21));
assertThat(res.getLastIndex(), equalTo(30));
assertThat(res.getPreviousPage(), equalTo(1));
assertThat(res.getPage(), equalTo(2));
assertThat(res.getNextPage(), equalTo(3));
assertThat(res.getPageTotal(), equalTo(8));
}
public void at_the_end() {
Pager res = new PagerJson(7, 10, 78);
assertThat(res.isHasPrevious(), is(true));
assertThat(res.isHasNext(), is(false));
assertThat(res.getFirstIndex(), equalTo(71));
assertThat(res.getLastIndex(), equalTo(78));
assertThat(res.getPreviousPage(), equalTo(6));
assertThat(res.getPage(), equalTo(7));
assertThat(res.getNextPage(), equalTo(7));
assertThat(res.getPageTotal(), equalTo(8));
}
}