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path: root/actioncable/test/connection/test_case_test.rb
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# frozen_string_literal: true

require "test_helper"

class SimpleConnection < ActionCable::Connection::Base
  identified_by :user_id

  class << self
    attr_accessor :disconnected_user_id
  end

  def connect
    self.user_id = request.params[:user_id] || cookies[:user_id]
  end

  def disconnect
    self.class.disconnected_user_id = user_id
  end
end

class ConnectionSimpleTest < ActionCable::Connection::TestCase
  tests SimpleConnection

  def test_connected
    connect

    assert_nil connection.user_id
  end

  def test_url_params
    connect "/cable?user_id=323"

    assert_equal "323", connection.user_id
  end

  def test_params
    connect params: { user_id: 323 }

    assert_equal "323", connection.user_id
  end

  def test_plain_cookie
    cookies["user_id"] = "456"

    connect

    assert_equal "456", connection.user_id
  end

  def test_disconnect
    cookies["user_id"] = "456"

    connect

    assert_equal "456", connection.user_id

    disconnect

    assert_equal "456", SimpleConnection.disconnected_user_id
  end
end

class Connection < ActionCable::Connection::Base
  identified_by :current_user_id
  identified_by :token

  class << self
    attr_accessor :disconnected_user_id
  end

  def connect
    self.current_user_id = verify_user
    self.token = request.headers["X-API-TOKEN"]
    logger.add_tags("ActionCable")
  end

  private
    def verify_user
      cookies.signed[:user_id].presence || reject_unauthorized_connection
    end
end

class ConnectionTest < ActionCable::Connection::TestCase
  def test_connected_with_signed_cookies_and_headers
    cookies.signed["user_id"] = "456"

    connect headers: { "X-API-TOKEN" => "abc" }

    assert_equal "abc", connection.token
    assert_equal "456", connection.current_user_id
  end

  def test_connected_when_no_signed_cookies_set
    cookies["user_id"] = "456"

    assert_reject_connection { connect }
  end

  def test_connection_rejected
    assert_reject_connection { connect }
  end

  def test_connection_rejected_assertion_message
    error = assert_raises Minitest::Assertion do
      assert_reject_connection { "Intentionally doesn't connect." }
    end

    assert_match(/Expected to reject connection/, error.message)
  end
end

class EncryptedCookiesConnection < ActionCable::Connection::Base
  identified_by :user_id

  def connect
    self.user_id = verify_user
  end

  private
    def verify_user
      cookies.encrypted[:user_id].presence || reject_unauthorized_connection
    end
end

class EncryptedCookiesConnectionTest < ActionCable::Connection::TestCase
  tests EncryptedCookiesConnection

  def test_connected_with_encrypted_cookies
    cookies.encrypted["user_id"] = "456"

    connect

    assert_equal "456", connection.user_id
  end

  def test_connection_rejected
    assert_reject_connection { connect }
  end
end

class SessionConnection < ActionCable::Connection::Base
  identified_by :user_id

  def connect
    self.user_id = verify_user
  end

  private
    def verify_user
      request.session[:user_id].presence || reject_unauthorized_connection
    end
end

class SessionConnectionTest < ActionCable::Connection::TestCase
  tests SessionConnection

  def test_connected_with_encrypted_cookies
    connect session: { user_id: "789" }
    assert_equal "789", connection.user_id
  end

  def test_connection_rejected
    assert_reject_connection { connect }
  end
end

class EnvConnection < ActionCable::Connection::Base
  identified_by :user

  def connect
    self.user = verify_user
  end

  private
    def verify_user
      # Warden-like authentication
      env["authenticator"]&.user || reject_unauthorized_connection
    end
end

class EnvConnectionTest < ActionCable::Connection::TestCase
  tests EnvConnection

  def test_connected_with_env
    authenticator = Class.new do
      def user; "David"; end
    end

    connect env: { "authenticator" => authenticator.new }

    assert_equal "David", connection.user
  end

  def test_connection_rejected
    assert_reject_connection { connect }
  end
end