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.
     *
     * @dataProvider providerSuccessfulReuse
     *
     * @param string $source_path
     *   Source path to copy from.
     * @param string $destination_path
     *   The destination path to copy to.
     */
    public function testSuccessfulReuse($source_path, $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() {
        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.
     *
     * @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->createMock(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, $configuration = []) {
        // Prepare a mock HTTP client.
        $this->container
            ->set('http_client', $this->createMock(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');
    }

}