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<?php
use Prado\Collections\TPagedList;
use Prado\Collections\TPagedListFetchDataEventParameter;
use Prado\Collections\TPagedListPageChangedEventParameter;
use Prado\Exceptions\TInvalidDataValueException;
class MyPagedList extends TPagedList {
private $_isPageIndexChanged = false;
private $_hasFetchedData = false;
public function pageIndexChanged($sender, $param) {
$this->_isPageIndexChanged = true;
}
public function fetchData($sender, $param) {
$this->_hasFetchedData = true;
}
public function isPageIndexChanged() {
return $this->_isPageIndexChanged;
}
public function hasFetchedData() {
return $this->_hasFetchedData;
}
}
/**
* @package System.Collections
*/
class TPagedListTest extends PHPUnit_Framework_TestCase {
public function setUp() {
}
public function tearDown() {
}
public function testConstruct() {
$list = new TPagedList();
self::assertEquals(true, $list->ReadOnly);
self::assertEquals(-1, $list->VirtualCount);
$list = new TPagedList(array(1, 2, 3));
$list->PageSize = 3;
self::assertEquals(3, $list->Count);
}
public function testCustomPaging() {
$list = new TPagedList();
$list->CustomPaging = true;
self::assertEquals(true, $list->CustomPaging);
$list->CustomPaging = false;
self::assertEquals(false, $list->CustomPaging);
}
public function testPageSize() {
$list = new TPagedList();
$list->PageSize = 5;
self::assertEquals(5, $list->PageSize);
}
public function testCanNotSetInvalidPageSize() {
$list = new TPagedList();
try {
$list->PageSize = 0;
} catch(TInvalidDataValueException $e) {
return;
}
self::fail('An expected TInvalidDataValueException was not raised');
}
public function testCurrentPageIndex() {
$list = new TPagedList(array(1, 2, 3));
$list->PageSize = 1;
$list->CurrentPageIndex = 2;
self::assertEquals(2, $list->CurrentPageIndex);
}
public function testOnPageIndexChanged() {
$list = new TPagedList(array(1, 2, 3, 4, 5));
$list->PageSize = 1;
$list->CurrentPageIndex = 1;
$oldPage = $list->CurrentPageIndex;
$myList = new MyPagedList();
$list->attachEventHandler('OnPageIndexChanged', array($myList, 'pageIndexChanged'));
self::assertEquals(false, $myList->isPageIndexChanged());
$list->onPageIndexChanged(new TPagedListPageChangedEventParameter($oldPage));
self::assertEquals(true, $myList->isPageIndexChanged());
}
public function testOnFetchData() {
$list = new TPagedList(array(1, 2, 3, 4));
$list->CustomPaging = true;
$list->PageSize = 2;
$list->gotoPage(0);
$myList = new MyPagedList();
$list->attachEventHandler('OnFetchData', array($myList, 'fetchData'));
self::assertEquals(false, $myList->hasFetchedData());
$list->onFetchData(new TPagedListFetchDataEventParameter($list->CurrentPageIndex, $list->PageSize*$list->CurrentPageIndex, $list->PageSize));
self::assertEquals(true, $myList->hasFetchedData());
}
public function testGotoPage() {
$list = new TPagedList(array(1, 2, 3));
$list->PageSize = 1;
self::assertEquals(2, $list->gotoPage(2));
self::assertEquals(false, $list->gotoPage(4));
}
public function testNextPage() {
$list = new TPagedList(array(1, 2));
$list->PageSize = 1;
$list->gotoPage(0);
self::assertEquals(1, $list->nextPage());
self::assertEquals(false, $list->nextPage());
}
public function testPreviousPage() {
$list = new TPagedList(array(1, 2));
$list->PageSize = 1;
$list->gotoPage(1);
self::assertEquals(0, $list->previousPage());
self::assertEquals(false, $list->previousPage());
}
public function testVirtualCount() {
$list = new TPagedList(array(1, 2));
$list->VirtualCount = -10;
self::assertEquals(-1, $list->VirtualCount);
$list->VirtualCount = 5;
self::assertEquals(5, $list->VirtualCount);
}
public function testPageCount() {
$list = new TPagedList(array(1, 2, 3));
$list->PageSize = 1;
$list->CustomPaging = true;
self::assertEquals(-1, $list->PageCount);
$list->VirtualCount = 3;
self::assertEquals(3, $list->PageCount);
$list->CustomPaging = false;
self::assertEquals(3, $list->PageCount);
}
public function testIsFirstPage() {
$list = new TPagedList(array(1, 2, 3));
$list->PageSize = 1;
$list->gotoPage(0);
self::assertEquals(true, $list->IsFirstPage);
$list->gotoPage(1);
self::assertEquals(false, $list->IsFirstPage);
}
public function testIsLastPage() {
$list = new TPagedList(array(1, 2, 3));
$list->PageSize = 1;
$list->gotoPage(0);
self::assertEquals(false, $list->IsLastPage);
$list->gotoPage(2);
self::assertEquals(true, $list->IsLastPage);
}
public function testGetCount() {
$list = new TPagedList(array(1, 2, 3));
$list->PageSize = 1;
self::assertEquals(1, $list->Count);
$list->CustomPaging = true;
self::assertEquals(3, $list->Count);
}
public function testGetIterator() {
$list = new TPagedList(array(1, 2));
$list->CustomPaging = true;
self::assertInstanceOf('ArrayIterator', $list->getIterator());
$n = 0;
$found = 0;
foreach($list as $index => $item) {
foreach($list as $a => $b); // test of iterator
$n++;
if($index === 0 && $item === 1) {
$found++;
}
if($index === 1 && $item === 2) {
$found++;
}
}
self::assertTrue($n == 2 && $found == 2);
}
public function testItemAt() {
$list = new TPagedList(array(1, 2, 3));
$list->CustomPaging = true;
self::assertEquals(1, $list[0]);
$list->CustomPaging = false;
$list->PageSize = 1;
$list->CurrentPageIndex = 0;
self::assertEquals(1, $list[0]);
}
public function testIndexOf() {
$list = new TPagedList(array(1, 2, 3));
$list->CustomPaging = true;
self::assertEquals(0, $list->indexOf(1));
self::assertEquals(-1, $list->indexOf(0));
}
public function testOffsetExists() {
$list = new TPagedList(array(1, 2, 3));
$list->CustomPaging = true;
self::assertEquals(true, isset($list[0]));
self::assertEquals(false, isset($list[4]));
}
public function testOffsetGet() {
$list = new TPagedList(array(1, 2, 3));
$list->CustomPaging = true;
self::assertEquals(2, $list[1]);
}
public function testToArray() {
$list = new TPagedList(array(1, 2, 3));
$list->CustomPaging = true;
self::assertEquals(array(1, 2, 3), $list->toArray());
}
}
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