silverstripe-cms/tests/controller/ContentControllerSearchExtensionTest.php

<?php

use SilverStripe\Versioned\Versioned;
use SilverStripe\CMS\Controllers\ContentController;
use SilverStripe\ORM\Search\FulltextSearchable;
use SilverStripe\Core\Config\Config;
use SilverStripe\Assets\File;
use SilverStripe\Dev\SapphireTest;

class ContentControllerSearchExtensionTest extends SapphireTest
{

    protected static $required_extensions = array(
        ContentController::class => [
            \SilverStripe\CMS\Search\ContentControllerSearchExtension::class,
        ],
    );

    public function testCustomSearchFormClassesToTest()
    {
        $page = new Page();
        $page->URLSegment = 'whatever';
        $page->Content = 'oh really?';
        $page->write();
        $page->copyVersionToStage(Versioned::DRAFT, Versioned::LIVE);
        $controller = new ContentController($page);
        $form = $controller->SearchForm();

        if (get_class($form) == 'SilverStripe\\CMS\\Search\\SearchForm') {
            $this->assertEquals(array('SilverStripe\\Assets\\File'), $form->getClassesToSearch());
        }
    }

    public static function setUpBeforeClass()
    {
        parent::setUpBeforeClass();

        FulltextSearchable::enable('SilverStripe\\Assets\\File');
    }

    /**
     * FulltextSearchable::enable() leaves behind remains that don't get cleaned up
     * properly at the end of the test. This becomes apparent when a later test tries to
     * ALTER TABLE File and add fulltext indexes with the InnoDB table type.
     */
    public static function tearDownAfterClass()
    {
        parent::tearDownAfterClass();

        Config::inst()->update('SilverStripe\\Assets\\File', 'create_table_options', array('SilverStripe\ORM\Connect\MySQLDatabase' => 'ENGINE=InnoDB'));
        File::remove_extension('SilverStripe\\ORM\\Search\\FulltextSearchable');
    }
}