silverstripe-framework/tests/php/Forms/GridField/GridFieldPaginatorTest.php

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<?php
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namespace SilverStripe\Forms\Tests\GridField;
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use SilverStripe\Control\Controller;
use SilverStripe\Dev\CSSContentParser;
use SilverStripe\Dev\FunctionalTest;
use SilverStripe\Forms\FieldList;
use SilverStripe\Forms\Form;
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use SilverStripe\Forms\GridField\GridField;
use SilverStripe\Forms\GridField\GridFieldConfig;
use SilverStripe\Forms\GridField\GridFieldPageCount;
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use SilverStripe\Forms\GridField\GridFieldPaginator;
use SilverStripe\Forms\GridField\GridFieldToolbarHeader;
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use SilverStripe\Forms\Tests\GridField\GridFieldTest\Cheerleader;
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use SilverStripe\Forms\Tests\GridField\GridFieldTest\Player;
use SilverStripe\Forms\Tests\GridField\GridFieldTest\Team;
use SilverStripe\ORM\ArrayList;
use SilverStripe\ORM\DataList;
class GridFieldPaginatorTest extends FunctionalTest
{
/**
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* @var ArrayList
*/
protected $list;
/**
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* @var GridField
*/
protected $gridField;
/**
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* @var string
*/
protected static $fixture_file = 'GridFieldTest.yml';
/**
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* @var Form
*/
protected $form;
/**
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* @var array
*/
protected static $extra_dataobjects = [
Team::class,
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Player::class,
Cheerleader::class,
];
protected function setUp(): void
{
parent::setUp();
$this->list = new DataList(Team::class);
$config = GridFieldConfig::create()->addComponents(
new GridFieldToolbarHeader(), // Required to support pagecount
new GridFieldPaginator(2),
new GridFieldPageCount('toolbar-header-right')
);
$this->gridField = new GridField('testfield', 'testfield', $this->list, $config);
$this->form = new Form(null, 'mockform', new FieldList([$this->gridField]), new FieldList());
}
public function testThereIsPaginatorWhenMoreThanOnePage()
{
$fieldHolder = $this->gridField->FieldHolder();
$content = new CSSContentParser($fieldHolder);
// Check that there is paginator render into the footer
$this->assertEquals(1, count($content->getBySelector('.datagrid-pagination')));
// Check that the header and footer both contains a page count
$this->assertEquals(2, count($content->getBySelector('.pagination-records-number')));
}
public function testThereIsNoPaginatorWhenOnlyOnePage()
{
// We set the itemsPerPage to an reasonably big number so as to avoid test broke from small changes
// on the fixture YML file
$total = $this->list->count();
$this->gridField->getConfig()->getComponentByType(GridFieldPaginator::class)->setItemsPerPage($total);
$fieldHolder = $this->gridField->FieldHolder();
$content = new CSSContentParser($fieldHolder);
// Check that there is no paginator render into the footer
$this->assertEquals(0, count($content->getBySelector('.datagrid-pagination')));
// Check that there is still 'View 1 - 4 of 4' part on the left of the paginator
$this->assertEquals(2, count($content->getBySelector('.pagination-records-number')));
}
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public function testUnlimitedRowCount()
{
$total = $this->list->count();
// set up the paginator
/** @var GridFieldPaginator $paginator */
$paginator = $this->gridField->getConfig()->getComponentByType(GridFieldPaginator::class);
$paginator->setThrowExceptionOnBadDataType(true);
$paginator->setItemsPerPage(1);
$paginator->getManipulatedData($this->gridField, $this->list);
$params = $paginator->getTemplateParameters($this->gridField)->toMap();
$this->assertFalse($params['OnlyOnePage']);
$this->assertEquals($total, $params['NumRecords']);
$paginator->setItemsPerPage(0);
$params = $paginator->getTemplateParameters($this->gridField)->toMap();
$this->assertTrue($params['OnlyOnePage']);
$this->assertEquals($total, $params['NumRecords']);
}
public function testPaginationAvoidsIllegalOffsets()
{
$grid = $this->gridField;
$total = $this->list->count();
$perPage = $grid->getConfig()->getComponentByType(GridFieldPaginator::class)->getItemsPerPage();
// Get the last page that will contain results
$lastPage = ceil($total / $perPage);
// Set the paginator state to point to an 'invalid' page
$grid->State->GridFieldPaginator->currentPage = $lastPage + 1;
// Get the paginated list
$list = $grid->getManipulatedList();
// Assert that the paginator state has been corrected and the list contains items
$this->assertEquals(1, $grid->State->GridFieldPaginator->currentPage);
$this->assertEquals($perPage, $list->count());
}
}