class FileCopyTest

class FileCopyTest extends FileTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'migrate',
    'system',
  ];
  
  /**
   * The file system service.
   *
   * @var \Drupal\Core\File\FileSystemInterface
   */
  protected $fileSystem;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->fileSystem = $this->container
      ->get('file_system');
    $this->container
      ->get('stream_wrapper_manager')
      ->registerWrapper('temporary', 'Drupal\\Core\\StreamWrapper\\TemporaryStream', StreamWrapperInterface::LOCAL_NORMAL);
  }
  
  /**
   * Tests successful imports/copies.
   */
  public function testSuccessfulCopies() : void {
    $file = $this->createUri(NULL, NULL, 'temporary');
    $file_absolute = $this->fileSystem
      ->realpath($file);
    $data_sets = [
      // Test a local to local copy.
[
        $this->root . '/core/tests/fixtures/files/image-test.jpg',
        'public://file1.jpg',
      ],
      // Test a temporary file using an absolute path.
[
        $file_absolute,
        'temporary://test.jpg',
      ],
      // Test a temporary file using a relative path.
[
        $file_absolute,
        'temporary://core/tests/fixtures/files/test.jpg',
      ],
    ];
    foreach ($data_sets as $data) {
      [$source_path, $destination_path] = $data;
      $actual_destination = $this->doTransform($source_path, $destination_path);
      $this->assertFileExists($destination_path);
      // Make sure we didn't accidentally do a move.
      $this->assertFileExists($source_path);
      $this->assertSame($actual_destination, $destination_path, 'The import returned the copied filename.');
    }
  }
  
  /**
   * Tests successful file reuse.
   *
   * @param string $source_path
   *   Source path to copy from.
   * @param string $destination_path
   *   The destination path to copy to.
   */
  public function testSuccessfulReuse(string $source_path, string $destination_path) : void {
    $file_reuse = $this->doTransform($source_path, $destination_path);
    clearstatcache(TRUE, $destination_path);
    $timestamp = (new \SplFileInfo($file_reuse))->getMTime();
    $this->assertIsInt($timestamp);
    // We need to make sure the modified timestamp on the file is sooner than
    // the attempted migration.
    sleep(1);
    $configuration = [
      'file_exists' => 'use existing',
    ];
    $this->doTransform($source_path, $destination_path, $configuration);
    clearstatcache(TRUE, $destination_path);
    $modified_timestamp = (new \SplFileInfo($destination_path))->getMTime();
    $this->assertEquals($timestamp, $modified_timestamp);
    $this->doTransform($source_path, $destination_path);
    clearstatcache(TRUE, $destination_path);
    $modified_timestamp = (new \SplFileInfo($destination_path))->getMTime();
    $this->assertGreaterThan($timestamp, $modified_timestamp);
  }
  
  /**
   * Provides the source and destination path files.
   */
  public static function providerSuccessfulReuse() : array {
    return [
      [
        'source_path' => static::getDrupalRoot() . '/core/tests/fixtures/files/image-test.jpg',
        'destination_path' => 'public://file1.jpg',
      ],
      [
        'source_path' => 'https://www.drupal.org/favicon.ico',
        'destination_path' => 'public://file2.jpg',
      ],
    ];
  }
  
  /**
   * Tests successful moves.
   */
  public function testSuccessfulMoves() : void {
    $file_1 = $this->createUri(NULL, NULL, 'temporary');
    $file_1_absolute = $this->fileSystem
      ->realpath($file_1);
    $file_2 = $this->createUri(NULL, NULL, 'temporary');
    $file_2_absolute = $this->fileSystem
      ->realpath($file_2);
    $local_file = $this->createUri(NULL, NULL, 'public');
    $data_sets = [
      // Test a local to local copy.
[
        $local_file,
        'public://file1.jpg',
      ],
      // Test a temporary file using an absolute path.
[
        $file_1_absolute,
        'temporary://test.jpg',
      ],
      // Test a temporary file using a relative path.
[
        $file_2_absolute,
        'temporary://core/tests/fixtures/files/test.jpg',
      ],
    ];
    foreach ($data_sets as $data) {
      [$source_path, $destination_path] = $data;
      $actual_destination = $this->doTransform($source_path, $destination_path, [
        'move' => TRUE,
      ]);
      $this->assertFileExists($destination_path);
      $this->assertFileDoesNotExist($source_path);
      $this->assertSame($actual_destination, $destination_path, 'The importer returned the moved filename.');
    }
  }
  
  /**
   * Tests that non-existent files throw an exception.
   */
  public function testNonExistentSourceFile() : void {
    $source = '/non/existent/file';
    $this->expectException(MigrateException::class);
    $this->expectExceptionMessage("File '/non/existent/file' does not exist");
    $this->doTransform($source, 'public://foo.jpg');
  }
  
  /**
   * Tests that non-writable destination throw an exception.
   *
   * @legacy-covers ::transform
   */
  public function testNonWritableDestination() : void {
    $source = $this->createUri('file.txt', NULL, 'temporary');
    // Create the parent location.
    $this->createDirectory('public://dir');
    // Copy the file under public://dir/subdir1/.
    $this->doTransform($source, 'public://dir/subdir1/file.txt');
    // Check that 'subdir1' was created and the file was successfully migrated.
    $this->assertFileExists('public://dir/subdir1/file.txt');
    // Remove all permissions from public://dir to trigger a failure when
    // trying to create a subdirectory 'subdir2' inside public://dir.
    $this->fileSystem
      ->chmod('public://dir', 0);
    // Check that the proper exception is raised.
    $this->expectException(MigrateException::class);
    $this->expectExceptionMessage("Could not create or write to directory 'public://dir/subdir2'");
    $this->doTransform($source, 'public://dir/subdir2/file.txt');
  }
  
  /**
   * Tests the 'rename' overwrite mode.
   */
  public function testRenameFile() : void {
    $source = $this->createUri(NULL, NULL, 'temporary');
    $destination = $this->createUri('foo.txt', NULL, 'public');
    $expected_destination = 'public://foo_0.txt';
    $actual_destination = $this->doTransform($source, $destination, [
      'file_exists' => 'rename',
    ]);
    $this->assertFileExists($expected_destination);
    $this->assertSame($actual_destination, $expected_destination, 'The importer returned the renamed filename.');
  }
  
  /**
   * Tests that remote URIs are delegated to the download plugin.
   */
  public function testDownloadRemoteUri() : void {
    $download_plugin = $this->createMock(MigrateProcessInterface::class);
    $download_plugin->expects($this->once())
      ->method('transform');
    $plugin = new FileCopy([], $this->randomMachineName(), [], $this->container
      ->get('stream_wrapper_manager'), $this->container
      ->get('file_system'), $download_plugin);
    $plugin->transform([
      'http://drupal.org/favicon.ico',
      '/destination/path',
    ], $this->createStub(MigrateExecutableInterface::class), new Row([], []), $this->randomMachineName());
  }
  
  /**
   * Do an import using the destination.
   *
   * @param string $source_path
   *   Source path to copy from.
   * @param string $destination_path
   *   The destination path to copy to.
   * @param array $configuration
   *   Process plugin configuration settings.
   *
   * @return string
   *   The URI of the copied file.
   */
  protected function doTransform($source_path, $destination_path, array $configuration = []) {
    // Prepare a mock HTTP client.
    $this->container
      ->set('http_client', $this->createStub(Client::class));
    $plugin = FileCopy::create($this->container, $configuration, 'file_copy', []);
    $executable = $this->prophesize(MigrateExecutableInterface::class)
      ->reveal();
    $row = new Row([], []);
    return $plugin->transform([
      $source_path,
      $destination_path,
    ], $executable, $row, 'foo');
  }

}