class FileViewsTestCase

class FileViewsTestCase extends BackdropWebTestCase {
  protected $profile = 'testing';
  protected $admin_user;

  /**
   * {@inheritdoc}
   */
  protected function setUp($modules = array()) {
    $modules[] = 'file';
    $modules[] = 'file_module_test';
    parent::setUp($modules);
    $this->admin_user = $this->backdropCreateUser(array(
      'access file overview',
      'manage files',
      'view files',
      'create files',
      'delete files',
      'access content',
      'access administration pages',
      'administer site configuration',
    ));
    $this->backdropLogin($this->admin_user);
  }

  /**
   * Tests the File "Icon" field capability within Views.
   */
  public function testFileViewsIcon() {
    $this->backdropLogin($this->admin_user);

    // Upload a few test files.
    $test_path = backdrop_get_path('module', 'simpletest') . '/files';
    $files = array(
      1 => array(
        'path' => $test_path . '/html-1.txt',
        'icon' => 'file-txt',
      ),
      2 => array(
        'path' => $test_path . '/image-1.png',
        'icon' => 'file-png',
      ),
      3 => array(
        'path' => $test_path . '/image-test.gif',
        'icon' => 'file-image',
      ),
      4 => array(
        'path' => $test_path . '/image-test.jpg',
        'icon' => 'file-jpg',
      ),
      5 => array(
        'path' => $test_path . '/svg-good1.svg',
        'icon' => 'file-svg',
      ),
    );
    foreach ($files as $file_id => $file_info) {
      $edit = array(
        'files[upload]' => $file_info['path'],
      );
      // Upload the file.
      $this->backdropPost('file/add', $edit, t('Upload'));
      // Continue to next screen (file scheme).
      $this->backdropPost(NULL, array(), t('Next'));
      // Continue with the file as Public.
      $this->backdropPost(NULL, array(), t('Next'));
      $message = format_string('File %file uploaded successfully.', array(
        '%file' => $file_info['path'],
      ));
      // Note this assumes there are no other files at all, so this should be
      // file ID 1. This should be the case when using the testing profile.
      $this->assertUrl('file/' . $file_id, array(), $message);
    }

    // Verify the default output of the views.view.file_icon_test config.
    $this->backdropGet('file/views-icon-test');

    // By default, the SVG is rendered inline.
    foreach ($files as $file_id => $file_info) {
      $xpath_result = $this->xpath('//*[@id="file-icon-' . $file_id . '"]/svg[contains(@class, :class)]', array(':class' => 'icon--' . $file_info['icon']));
      $this->assertTrue($xpath_result, format_string('Inline %icon SVG found for %filename.', array(
        '%icon' => $file_info['icon'],
        '%filename' => basename($file_info['path']),
      )));

      /* @var SimpleXMLElement $svg_element */
      $svg_element = $xpath_result[0];
      $title_element = $svg_element->xpath('title');
      $this->assertTrue((string) $title_element[0], format_string('Inline SVG for %filename includes nested title as alt text.', array(
        '%filename' => basename($file_info['path']),
      )));
      $this->assertEqual((string) $svg_element['width'], '32', format_string('Inline SVG for %filename has the expected width.', array(
        '%filename' => basename($file_info['path']),
      )));
    }

    // Change the view configuration to render as a normal <img> tag.
    $view_config = config('views.view.file_icon_test');
    $view_config->set('display.default.display_options.fields.icon.display_type', 'img');
    $view_config->set('display.default.display_options.fields.icon.icon_size', '64');
    $view_config->save();
    views_flush_caches();

    // Verify the modified output, now using an <img> tag and 64 px icon size.
    $this->backdropGet('file/views-icon-test');
    foreach ($files as $file_id => $file_info) {
      $xpath_result = $this->xpath('//*[@id="file-icon-' . $file_id . '"]/img');
      $this->assertTrue($xpath_result, format_string('Regular img tag %icon found for %filename.', array(
        '%icon' => $file_info['icon'],
        '%filename' => basename($file_info['path']),
      )));

      /* @var SimpleXMLElement $svg_element */
      $img_element = $xpath_result[0];
      $this->assertTrue((string) $img_element['alt'], format_string('Regular img tag icon for %filename includes alt text.', array(
        '%filename' => basename($file_info['path']),
      )));
      $this->assertEqual((string) $img_element['width'], '64', format_string('Regular img tag icon for %filename has the expected width.', array(
        '%filename' => basename($file_info['path']),
      )));
    }
  }
}