teamcapybara/capybara · error · ArgumentError

Unknown keys type

Error message

Unknown keys type

What it means

Error "Unknown keys type" thrown in teamcapybara/capybara.

Source

Thrown at lib/capybara/selenium/nodes/firefox_node.rb:120

    when :control, :left_control, :right_control,
         :alt, :left_alt, :right_alt,
         :shift, :left_shift, :right_shift,
         :meta, :left_meta, :right_meta,
         :command
      down_keys.press(keys)
      actions.key_down(keys)
    when String
      # https://bugzilla.mozilla.org/show_bug.cgi?id=1405370
      keys = keys.upcase if (browser_version < 64.0) && down_keys&.include?(:shift)
      actions.send_keys(keys)
    when Symbol
      actions.send_keys(keys)
    when Array
      down_keys.push
      keys.each { |sub_keys| _send_keys(sub_keys, actions, down_keys) }
      down_keys.pop.reverse_each { |key| actions.key_up(key) }
    else
      raise ArgumentError, 'Unknown keys type'
    end
    actions
  end

  def upload(local_file)
    return nil unless local_file
    raise ArgumentError, "You may only upload files: #{local_file.inspect}" unless File.file?(local_file)

    file = ::Selenium::WebDriver::Zipper.zip_file(local_file)
    bridge.http.call(:post, "session/#{bridge.session_id}/file", file: file)['value']
  end

  def browser_version
    driver.browser.capabilities[:browser_version].to_f
  end
end

View on GitHub (pinned to 15b5fdb76e)

When it happens

Trigger: Thrown at lib/capybara/selenium/nodes/firefox_node.rb:120 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of teamcapybara/capybara@15b5fdb76e (2026-08-21). Data as JSON: /api/errors/ee387d3b8e20af5c. Report an issue: GitHub.