class DeleteTest

class DeleteTest extends FileManagedUnitTestBase {
    
    /**
     * Tries deleting a normal file (as opposed to a directory, symlink, etc).
     */
    public function testUnused() {
        $file = $this->createFile();
        // Check that deletion removes the file and database record.
        $this->assertFileExists($file->getFileUri());
        $file->delete();
        $this->assertFileHooksCalled([
            'delete',
        ]);
        $this->assertFileNotExists($file->getFileUri());
        $this->assertNull(File::load($file->id()), 'File was removed from the database.');
    }
    
    /**
     * Tries deleting a file that is in use.
     */
    public function testInUse() {
        // This test expects unused managed files to be marked as a temporary file
        // and then deleted up by file_cron().
        $this->config('file.settings')
            ->set('make_unused_managed_files_temporary', TRUE)
            ->save();
        $file = $this->createFile();
        $file_usage = $this->container
            ->get('file.usage');
        $file_usage->add($file, 'testing', 'test', 1);
        $file_usage->add($file, 'testing', 'test', 1);
        $file_usage->delete($file, 'testing', 'test', 1);
        $usage = $file_usage->listUsage($file);
        $this->assertEqual($usage['testing']['test'], [
            1 => 1,
        ], 'Test file is still in use.');
        $this->assertFileExists($file->getFileUri());
        $this->assertNotEmpty(File::load($file->id()), 'File still exists in the database.');
        // Clear out the call to hook_file_load().
        file_test_reset();
        $file_usage->delete($file, 'testing', 'test', 1);
        $usage = $file_usage->listUsage($file);
        $this->assertFileHooksCalled([
            'load',
            'update',
        ]);
        $this->assertTrue(empty($usage), 'File usage data was removed.');
        $this->assertFileExists($file->getFileUri());
        $file = File::load($file->id());
        $this->assertNotEmpty($file, 'File still exists in the database.');
        $this->assertTrue($file->isTemporary(), 'File is temporary.');
        file_test_reset();
        // Call file_cron() to clean up the file. Make sure the changed timestamp
        // of the file is older than the system.file.temporary_maximum_age
        // configuration value. We use an UPDATE statement because using the API
        // would set the timestamp.
        Database::getConnection()->update('file_managed')
            ->fields([
            'changed' => REQUEST_TIME - ($this->config('system.file')
                ->get('temporary_maximum_age') + 1),
        ])
            ->condition('fid', $file->id())
            ->execute();
        \Drupal::service('cron')->run();
        // file_cron() loads
        $this->assertFileHooksCalled([
            'delete',
        ]);
        $this->assertFileNotExists($file->getFileUri());
        $this->assertNull(File::load($file->id()), 'File was removed from the database.');
    }
    
    /**
     * Tries to run cron deletion on file deleted from the file-system.
     */
    public function testCronDeleteNonExistingTemporary() {
        $file = $this->createFile();
        // Delete the file, but leave it in the file_managed table.
        \Drupal::service('file_system')->delete($file->getFileUri());
        $this->assertFileNotExists($file->getFileUri());
        $this->assertInstanceOf(File::class, File::load($file->id()));
        // Call file_cron() to clean up the file. Make sure the changed timestamp
        // of the file is older than the system.file.temporary_maximum_age
        // configuration value.
        \Drupal::database()->update('file_managed')
            ->fields([
            'changed' => REQUEST_TIME - ($this->config('system.file')
                ->get('temporary_maximum_age') + 1),
        ])
            ->condition('fid', $file->id())
            ->execute();
        \Drupal::service('cron')->run();
        $this->assertNull(File::load($file->id()), 'File was removed from the database.');
    }

}