createMediaTypeFields example

$session = $this->getSession();
    $page = $session->getPage();
    $assert_session = $this->assertSession();

    $this->doTestCreateMediaType($media_type_id, 'file', $provided_fields);

    // Create custom fields for the media type to store metadata attributes.     $fields = [
      'field_string_file_size' => 'string',
      'field_string_mime_type' => 'string',
    ];
    $this->createMediaTypeFields($fields, $media_type_id);

    // Hide the name field widget to test default name generation.     $this->hideMediaTypeFieldWidget('name', $media_type_id);

    $this->drupalGet("admin/structure/media/manage/{$media_type_id}");
    $page->selectFieldOption("field_map[" . File::METADATA_ATTRIBUTE_NAME . "]", 'name');
    $page->selectFieldOption("field_map[" . File::METADATA_ATTRIBUTE_SIZE . "]", 'field_string_file_size');
    $page->selectFieldOption("field_map[" . File::METADATA_ATTRIBUTE_MIME . "]", 'field_string_mime_type');
    $page->pressButton('Save');

    $test_filename = $this->randomMachineName() . '.txt';
    

$session = $this->getSession();
    $page = $session->getPage();
    $assert_session = $this->assertSession();

    $this->doTestCreateMediaType($media_type_id, 'image', $provided_fields);

    // Create custom fields for the media type to store metadata attributes.     $fields = [
      'field_string_width' => 'string',
      'field_string_height' => 'string',
    ];
    $this->createMediaTypeFields($fields, $media_type_id);

    // Hide the name field widget to test default name generation.     $this->hideMediaTypeFieldWidget('name', $media_type_id);

    $this->drupalGet("admin/structure/media/manage/{$media_type_id}");
    $page->selectFieldOption("field_map[" . Image::METADATA_ATTRIBUTE_WIDTH . "]", 'field_string_width');
    $page->selectFieldOption("field_map[" . Image::METADATA_ATTRIBUTE_HEIGHT . "]", 'field_string_height');
    $page->pressButton('Save');

    // Create a media item.     $this->drupalGet("media/add/{$media_type_id}");
    

$page = $session->getPage();
    $assert_session = $this->assertSession();

    $this->doTestCreateMediaType($media_type_id, 'oembed:video', $provided_fields);

    // Create custom fields for the media type to store metadata attributes.     $fields = [
      'field_string_width' => 'string',
      'field_string_height' => 'string',
      'field_string_author_name' => 'string',
    ];
    $this->createMediaTypeFields($fields, $media_type_id);

    // Hide the name field widget to test default name generation.     $this->hideMediaTypeFieldWidget('name', $media_type_id);

    $this->drupalGet("admin/structure/media/manage/$media_type_id");
    // Only accept Vimeo videos.     $page->checkField("source_configuration[providers][Vimeo]");
    $assert_session->selectExists('field_map[width]')->setValue('field_string_width');
    $assert_session->selectExists('field_map[height]')->setValue('field_string_height');
    $assert_session->selectExists('field_map[author_name]')->setValue('field_string_author_name');
    $assert_session->buttonExists('Save')->press();