Club Drupal

    // Suppress the security token in the URL, then get the URL of a file. Check

    // that the security token is not present in the URL but that the image is

    // still accessible.

    variable_set('image_suppress_itok_output', TRUE);

    $generate_url = image_style_url($this->style_name, $original_uri);

    $this->assertIdentical(strpos($generate_url, IMAGE_DERIVATIVE_TOKEN . '='), FALSE, 'The security token does not appear in the image style URL.');

    $this->drupalGet($generate_url);

    $this->assertResponse(200, 'Image was accessible at the URL with a missing token.');