class FileStorageTest

class FileStorageTest extends PhpStorageTestBase {
    use ExpectDeprecationTrait;
    
    /**
     * Standard test settings to pass to storage instances.
     *
     * @var array
     */
    protected $standardSettings;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->standardSettings = [
            'directory' => $this->directory,
            'bin' => 'test',
        ];
    }
    
    /**
     * Tests basic load/save/delete operations.
     *
     * @covers ::load
     * @covers ::save
     * @covers ::exists
     * @covers ::delete
     */
    public function testCRUD() : void {
        $php = new FileStorage($this->standardSettings);
        $this->assertCRUD($php);
    }
    
    /**
     * @covers ::deleteAll
     */
    public function testDeleteAll() : void {
        // Random generator.
        $random_generator = new Random();
        // Write out some files.
        $php = new FileStorage($this->standardSettings);
        $name = $random_generator->name(8, TRUE) . '/' . $random_generator->name(8, TRUE) . '.php';
        // Find a global that doesn't exist.
        do {
            $random = 'test' . mt_rand(10000, 100000);
        } while (isset($GLOBALS[$random]));
        // Write out a PHP file and ensure it's successfully loaded.
        $code = "<?php\n\$GLOBALS['{$random}'] = TRUE;";
        $this->assertTrue($php->save($name, $code), 'Saved php file');
        $php->load($name);
        $this->assertTrue($GLOBALS[$random], 'File saved correctly with correct value');
        // Make sure directory exists prior to removal.
        $this->assertDirectoryExists($this->directory . '/test');
        $this->assertTrue($php->deleteAll(), 'Delete all reported success');
        $this->assertFalse($php->load($name));
        $this->assertDirectoryDoesNotExist($this->directory . '/test');
        // Should still return TRUE if directory has already been deleted.
        $this->assertTrue($php->deleteAll(), 'Delete all succeeds with nothing to delete');
        unset($GLOBALS[$random]);
    }
    
    /**
     * @covers ::createDirectory
     */
    public function testCreateDirectoryFailWarning() : void {
        $directory = new vfsStreamDirectory('permissionDenied', 0200);
        $storage = new FileStorage([
            'directory' => $directory->url(),
            'bin' => 'test',
        ]);
        $code = "<?php\n echo 'here';";
        // PHPUnit 10 cannot expect warnings, so we have to catch them ourselves.
        $messages = [];
        set_error_handler(function (int $errno, string $errstr) use (&$messages) : void {
            $messages[] = [
                $errno,
                $errstr,
            ];
        });
        $storage->save('subdirectory/foo.php', $code);
        restore_error_handler();
        $this->assertCount(2, $messages);
        $this->assertSame(E_USER_WARNING, $messages[0][0]);
        $this->assertSame('mkdir(): Permission Denied', $messages[0][1]);
        $this->assertSame(E_WARNING, $messages[1][0]);
        $this->assertStringStartsWith('file_put_contents(vfs://permissionDenied/test/subdirectory/foo.php)', $messages[1][1]);
    }

}