silverstripe-gridfieldexten.../tests/GridFieldConfigurablePaginatorTest.php

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<?php
namespace Symbiote\GridFieldExtensions\Tests;
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use SilverStripe\Core\Config\Config;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\Forms\GridField\GridField;
use SilverStripe\Forms\GridField\GridField_FormAction;
use SilverStripe\ORM\ArrayList;
use Symbiote\GridFieldExtensions\GridFieldConfigurablePaginator;
class GridFieldConfigurablePaginatorTest extends SapphireTest
{
/**
* @var GridField
*/
protected $gridField;
public function setUp()
{
parent::setUp();
// Some dummy GridField list data
$data = ArrayList::create();
for ($i = 1; $i <= 130; $i++) {
$data->push(array('ID' => $i));
}
$this->gridField = GridField::create('Mock', null, $data);
}
public function testGetTotalRecords()
{
$paginator = new GridFieldConfigurablePaginator;
$paginator->setGridField($this->gridField);
$this->assertSame(130, $paginator->getTotalRecords());
}
public function testGetFirstShown()
{
$paginator = new GridFieldConfigurablePaginator;
$paginator->setGridField($this->gridField);
// No state
$this->assertSame(1, $paginator->getFirstShown());
// With a state
$paginator->setFirstShown(123);
$this->assertSame(123, $paginator->getFirstShown());
// Too high!
$paginator->setFirstShown(234);
$this->assertSame(1, $paginator->getFirstShown());
}
public function testGetLastShown()
{
$paginator = new GridFieldConfigurablePaginator(20, array(10, 20, 30));
$paginator->setGridField($this->gridField);
$this->assertSame(20, $paginator->getLastShown());
$paginator->setFirstShown(5);
$this->assertSame(24, $paginator->getLastShown());
}
public function testGetTotalPages()
{
$paginator = new GridFieldConfigurablePaginator(20, array(20, 40, 60));
$paginator->setGridField($this->gridField);
// Default calculation
$this->assertSame(7, $paginator->getTotalPages());
// With a standard "first shown" record number, e.g. page 2
$paginator->setFirstShown(21);
$this->assertSame(7, $paginator->getTotalPages());
// Non-standard "first shown", e.g. when a page size is changed at page 3. In this case the first page is
// 20 records, the second page is 7 records, third page 20 records, etc
$paginator->setFirstShown(27);
$this->assertSame(8, $paginator->getTotalPages());
// ... and when the page size has also been changed. In this case the first page is 57 records, second page
// 60 records and last page is 13 records
$paginator->setFirstShown(57);
$paginator->setItemsPerPage(60);
$this->assertSame(3, $paginator->getTotalPages());
}
public function testItemsPerPageIsSetToFirstInPageSizesListWhenChanged()
{
$paginator = new GridFieldConfigurablePaginator(20, array(20, 40, 60));
$paginator->setGridField($this->gridField);
// Initial state, should be what was provided to the constructor
$this->assertSame(20, $paginator->getItemsPerPage());
$paginator->setPageSizes(array(50, 100, 200));
// Set via public API, should now be set to 50
$this->assertSame(50, $paginator->getItemsPerPage());
}
public function testGetCurrentPreviousAndNextPages()
{
$paginator = new GridFieldConfigurablePaginator(20, array(20, 40, 60));
$paginator->setGridField($this->gridField);
// No page selected (first page)
$this->assertSame(1, $paginator->getCurrentPage());
$this->assertSame(1, $paginator->getPreviousPage());
$this->assertSame(2, $paginator->getNextPage());
// Second page
$paginator->setFirstShown(21);
$this->assertSame(2, $paginator->getCurrentPage());
$this->assertSame(1, $paginator->getPreviousPage());
$this->assertSame(3, $paginator->getNextPage());
// Third page
$paginator->setFirstShown(41);
$this->assertSame(3, $paginator->getCurrentPage());
$this->assertSame(2, $paginator->getPreviousPage());
$this->assertSame(4, $paginator->getNextPage());
// Fourth page, partial record count
$paginator->setFirstShown(42);
$this->assertSame(4, $paginator->getCurrentPage());
$this->assertSame(3, $paginator->getPreviousPage());
$this->assertSame(5, $paginator->getNextPage());
// Last page (default paging)
$paginator->setFirstShown(121);
$this->assertSame(7, $paginator->getCurrentPage());
$this->assertSame(6, $paginator->getPreviousPage());
$this->assertSame(7, $paginator->getNextPage());
// Non-standard page size should recalculate the page numbers to be relative to the page size
$paginator->setFirstShown(121);
$paginator->setItemsPerPage(60);
$this->assertSame(3, $paginator->getCurrentPage());
$this->assertSame(2, $paginator->getPreviousPage());
$this->assertSame(3, $paginator->getNextPage());
}
public function testPageSizesAreConfigurable()
{
// Via constructor
$paginator = new GridFieldConfigurablePaginator(3, array(2, 4, 6));
$this->assertSame(3, $paginator->getItemsPerPage());
$this->assertSame(array(2, 4, 6), $paginator->getPageSizes());
// Via public API
$paginator->setPageSizes(array(10, 20, 30));
$this->assertSame(array(10, 20, 30), $paginator->getPageSizes());
// Via default configuration
$paginator = new GridFieldConfigurablePaginator;
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$default = Config::inst()->get(GridFieldConfigurablePaginator::class, 'default_page_sizes');
$this->assertSame($default, $paginator->getPageSizes());
}
public function testGetPageSizesAsList()
{
$paginator = new GridFieldConfigurablePaginator(10, array(10, 20, 30));
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$this->assertListEquals(array(
array('Size' => '10', 'Selected' => true),
array('Size' => '20', 'Selected' => false),
array('Size' => '30', 'Selected' => false),
), $paginator->getPageSizesAsList());
}
/**
* @expectedException Exception
* @expectedExceptionMessage No GridField available yet for this request!
*/
public function testGetGridFieldThrowsExceptionWhenNotSet()
{
$paginator = new GridFieldConfigurablePaginator;
$paginator->getGridField();
}
public function testGetPagerActions()
{
$controls = array(
'prev' => array(
'title' => 'Previous',
'args' => array(
'next-page' => 123,
'first-shown' => 234
),
'extra-class' => 'ss-gridfield-previouspage',
'disable-previous' => false
),
'next' => array(
'title' => 'Next',
'args' => array(
'next-page' => 234,
'first-shown' => 123
),
'extra-class' => 'ss-gridfield-nextpage',
'disable-next' => true
)
);
$paginator = new GridFieldConfigurablePaginator;
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$paginator->setGridField($this->gridField);
$result = $paginator->getPagerActions($controls, $this->gridField);
$this->assertCount(2, $result);
$this->assertArrayHasKey('next', $result);
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$this->assertContainsOnlyInstancesOf(GridField_FormAction::class, $result);
$this->assertFalse($result['prev']->isDisabled());
$this->assertTrue((bool) $result['next']->hasClass('ss-gridfield-nextpage'));
$this->assertTrue($result['next']->isDisabled());
}
public function testSinglePageWithLotsOfItems()
{
$paginator = new GridFieldConfigurablePaginator(null, array(100, 200, 300));
$this->assertSame(100, $paginator->getItemsPerPage());
}
/**
* Set something to the GridField's paginator state data
*
* @param string $key
* @param mixed $value
* @return $this
*/
protected function setState($key, $value)
{
$this->gridField->State->GridFieldConfigurablePaginator->$key = $value;
return $this;
}
}