silverstripe-dms/tests/cms/DMSDocumentAdminTest.php

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<?php
class DMSDocumentAdminTest extends FunctionalTest
{
/**
* Check that the default "add new" button is gone, and replaced with our customised version of it
*/
public function testGridFieldHasCustomisedAddNewButton()
{
$modelAdmin = new DMSDocumentAdmin;
// SS < 3.3 doesn't have a response setter, this initialises it
$modelAdmin->handleRequest(new SS_HTTPRequest('GET', '/'), DataModel::inst());
$modelAdmin->init();
$form = $modelAdmin->getEditForm();
$gridFieldConfig = $form->Fields()->first()->getConfig();
// Our button is an instance of the original, so is returned when asking for the original
$addNewButtons = $gridFieldConfig->getComponentsByType('GridFieldAddNewButton');
foreach ($addNewButtons as $key => $addNewButton) {
if ($addNewButton instanceof DMSGridFieldAddNewButton) {
// Remove our version for testing's sake
$addNewButtons->remove($addNewButton);
}
}
$this->assertCount(0, $addNewButtons, 'Original add new button is removed');
$this->assertInstanceOf(
'DMSGridFieldAddNewButton',
$gridFieldConfig->getComponentByType('DMSGridFieldAddNewButton'),
'Model admin for documents contains customised DMS add new button'
);
}
}