FileDeleteRecursiveTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests\Core\File;


/**
 * Tests the unmanaged file delete recursive function.
 *
 * @group File
 */
class FileDeleteRecursiveTest extends FileTestBase {
    
    /**
     * Delete a normal file.
     */
    public function testSingleFile() : void {
        // Create a file for testing
        $filepath = 'public://' . $this->randomMachineName();
        file_put_contents($filepath, '');
        // Delete the file.
        $this->assertTrue(\Drupal::service('file_system')->deleteRecursive($filepath), 'Function reported success.');
        $this->assertFileDoesNotExist($filepath);
    }
    
    /**
     * Try deleting an empty directory.
     */
    public function testEmptyDirectory() : void {
        // A directory to operate on.
        $directory = $this->createDirectory();
        // Delete the directory.
        $this->assertTrue(\Drupal::service('file_system')->deleteRecursive($directory), 'Function reported success.');
        $this->assertDirectoryDoesNotExist($directory);
    }
    
    /**
     * Try deleting a directory with some files.
     */
    public function testDirectory() : void {
        // A directory to operate on.
        $directory = $this->createDirectory();
        $filepathA = $directory . '/A';
        $filepathB = $directory . '/B';
        file_put_contents($filepathA, '');
        file_put_contents($filepathB, '');
        // Delete the directory.
        $this->assertTrue(\Drupal::service('file_system')->deleteRecursive($directory), 'Function reported success.');
        $this->assertFileDoesNotExist($filepathA);
        $this->assertFileDoesNotExist($filepathB);
        $this->assertDirectoryDoesNotExist($directory);
    }
    
    /**
     * Try deleting subdirectories with some files.
     */
    public function testSubDirectory() : void {
        // A directory to operate on.
        $directory = $this->createDirectory();
        $subdirectory = $this->createDirectory($directory . '/sub');
        $filepathA = $directory . '/A';
        $filepathB = $subdirectory . '/B';
        file_put_contents($filepathA, '');
        file_put_contents($filepathB, '');
        // Delete the directory.
        $this->assertTrue(\Drupal::service('file_system')->deleteRecursive($directory), 'Function reported success.');
        $this->assertFileDoesNotExist($filepathA);
        $this->assertFileDoesNotExist($filepathB);
        $this->assertDirectoryDoesNotExist($subdirectory);
        $this->assertDirectoryDoesNotExist($directory);
    }

}