Example of how to post an update to a Guest record using the API.

gistfile1.rb

  def test_api_update_guest
    post :create, @authentication.merge(
      'guest' => {
        'event'   => @event.id,
        'account' => @account.id,
        'first' => 'Testy',
        'last'  => 'Testerson',
        'phone' => '555 555-5555',
        'email' => 'test@test.com',
      }
    ), :format => 'json'

    assert_equal 1, Guestlist.last.guests.count

    guest = Guest.last

    # This is what was posted:
    assert_equal 'Testy',         guest.first
    assert_equal 'Testerson',     guest.last
    assert_equal '555 555-5555',  guest.phone
    assert_equal 'test@test.com', guest.email

    # Update two things at once.
    post :update, @authentication.merge(
      'guest' => {
        # Only send updated columns.
        'phone' => '555 555-5556',
        'email' => 'test2@test.com',
      },
      'id'   => guest.id
    ), :format => 'json'

    guest = Guest.last

    # Not changed:
    assert_equal 'Testy',     guest.first
    assert_equal 'Testerson', guest.last

    # Updated:
    assert_equal '555 555-5556',   guest.phone
    assert_equal 'test2@test.com', guest.email

  end