LibrariesDirectoryFileFinderTest.php

<?php

namespace Drupal\Tests\Core\Asset;

use Drupal\Core\Asset\LibrariesDirectoryFileFinder;
use Drupal\Core\Extension\ProfileExtensionList;
use Drupal\Tests\UnitTestCase;
use org\bovigo\vfs\vfsStream;

/**
 * @coversDefaultClass \Drupal\Core\Asset\LibrariesDirectoryFileFinder
 * @group Asset
 */
class LibrariesDirectoryFileFinderTest extends UnitTestCase {
    
    /**
     * @covers ::find
     */
    public function testFind() {
        // Place a library file in all the possible locations.
        $structure = [
            'sites' => [
                'example.com' => [
                    'libraries' => [
                        'third_party_library' => [
                            'css' => [
                                'example.css' => '/*Some css*/',
                            ],
                        ],
                    ],
                ],
            ],
            'libraries' => [
                'third_party_library' => [
                    'css' => [
                        'example.css' => '/*Some css*/',
                    ],
                ],
            ],
            'profiles' => [
                'library_testing' => [
                    'libraries' => [
                        'third_party_library' => [
                            'css' => [
                                'example.css' => '/*Some css*/',
                            ],
                        ],
                    ],
                ],
            ],
        ];
        vfsStream::setup('root', NULL, $structure);
        $extension_list = $this->prophesize(ProfileExtensionList::class);
        $extension_list->getPath('library_testing')
            ->willReturn('profiles/library_testing');
        $finder = new LibrariesDirectoryFileFinder('vfs://root', 'sites/example.com', $extension_list->reveal(), 'library_testing');
        // The site specific location is the first location used.
        $path = $finder->find('third_party_library/css/example.css');
        $this->assertEquals('sites/example.com/libraries/third_party_library/css/example.css', $path);
        // After removing the site specific location the root libraries folder
        // should be used.
        unlink('vfs://root/sites/example.com/libraries/third_party_library/css/example.css');
        $path = $finder->find('third_party_library/css/example.css');
        $this->assertEquals('libraries/third_party_library/css/example.css', $path);
        // The profile's libraries is now the only remaining location.
        unlink('vfs://root/libraries/third_party_library/css/example.css');
        $path = $finder->find('third_party_library/css/example.css');
        $this->assertEquals('profiles/library_testing/libraries/third_party_library/css/example.css', $path);
        // If the libraries file cannot be found FALSE is returned.
        unlink('vfs://root/profiles/library_testing/libraries/third_party_library/css/example.css');
        $this->assertFalse($finder->find('third_party_library/css/example.css'));
        // Test finding by the directory only. As all the directories still we'll
        // find the first location.
        $path = $finder->find('third_party_library');
        $this->assertEquals('sites/example.com/libraries/third_party_library', $path);
    }

}