TestTimberImage::testPostThumbnails PHP Method

    function testPostThumbnails()
    {
        $upload_dir = wp_upload_dir();
        $post_id = $this->factory->post->create();
        $filename = self::copyTestImage('flag.png');
        $destination_url = str_replace(ABSPATH, 'http://' . $_SERVER['HTTP_HOST'] . '/', $filename);
        $wp_filetype = wp_check_filetype(basename($filename), null);
        $attachment = array('post_mime_type' => $wp_filetype['type'], 'post_title' => preg_replace('/\\.[^.]+$/', '', basename($filename)), 'post_content' => '', 'post_status' => 'inherit');
        $attach_id = wp_insert_attachment($attachment, $filename, $post_id);
        add_post_meta($post_id, '_thumbnail_id', $attach_id, true);
        $data = array();
        $data['post'] = new TimberPost($post_id);
        $data['size'] = array('width' => 100, 'height' => 50);
        $data['crop'] = 'default';
        Timber::compile('assets/thumb-test.twig', $data);
        $exists = file_exists($filename);
        $this->assertTrue($exists);
        $resized_path = $upload_dir['path'] . '/flag-' . $data['size']['width'] . 'x' . $data['size']['height'] . '-c-' . $data['crop'] . '.png';
        $exists = file_exists($resized_path);
        $this->assertTrue($exists);
    }