aboutsummaryrefslogblamecommitdiffstats
path: root/actionpack/test/controller/parameters/dup_test.rb
blob: 5403fc6d93bc07c47af0082a00477c8f1e7f7812 (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
12

                             

                                                   
                                                 






                                                              
                  
               

                                    
          
                                                           



       


                                                                 
                                               








                                                                          



                                           
 
                                                                                



                                           













                                                                                     
                                             



                                               
                                                  
     
   
# frozen_string_literal: true

require "abstract_unit"
require "action_controller/metal/strong_parameters"
require "active_support/core_ext/object/deep_dup"

class ParametersDupTest < ActiveSupport::TestCase
  setup do
    ActionController::Parameters.permit_all_parameters = false

    @params = ActionController::Parameters.new(
      person: {
        age: "32",
        name: {
          first: "David",
          last: "Heinemeier Hansson"
        },
        addresses: [{ city: "Chicago", state: "Illinois" }]
      }
    )
  end

  test "a duplicate maintains the original's permitted status" do
    @params.permit!
    dupped_params = @params.dup
    assert_predicate dupped_params, :permitted?
  end

  test "a duplicate maintains the original's parameters" do
    @params.permit!
    dupped_params = @params.dup
    assert_equal @params.to_h, dupped_params.to_h
  end

  test "changes to a duplicate's parameters do not affect the original" do
    dupped_params = @params.dup
    dupped_params.delete(:person)
    assert_not_equal @params, dupped_params
  end

  test "changes to a duplicate's permitted status do not affect the original" do
    dupped_params = @params.dup
    dupped_params.permit!
    assert_not_equal @params, dupped_params
  end

  test "deep_dup content" do
    dupped_params = @params.deep_dup
    dupped_params[:person][:age] = "45"
    dupped_params[:person][:addresses].clear

    assert_not_equal @params[:person][:age], dupped_params[:person][:age]
    assert_not_equal @params[:person][:addresses], dupped_params[:person][:addresses]
  end

  test "deep_dup @permitted" do
    dupped_params = @params.deep_dup
    dupped_params.permit!

    assert_not_predicate @params, :permitted?
  end

  test "deep_dup @permitted is being copied" do
    @params.permit!
    assert_predicate @params.deep_dup, :permitted?
  end
end