diff options
Diffstat (limited to 'actionpack/test/controller/parameters/mutators_test.rb')
| -rw-r--r-- | actionpack/test/controller/parameters/mutators_test.rb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/actionpack/test/controller/parameters/mutators_test.rb b/actionpack/test/controller/parameters/mutators_test.rb index e61bbdbe13..49dede03c2 100644 --- a/actionpack/test/controller/parameters/mutators_test.rb +++ b/actionpack/test/controller/parameters/mutators_test.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + require "abstract_unit" require "action_controller/metal/strong_parameters" require "active_support/core_ext/hash/transform_values" @@ -25,6 +27,27 @@ class ParametersMutatorsTest < ActiveSupport::TestCase assert_not @params.delete(:person).permitted? end + test "delete returns the value when the key is present" do + assert_equal "32", @params[:person].delete(:age) + end + + test "delete removes the entry when the key present" do + @params[:person].delete(:age) + assert_not @params[:person].key?(:age) + end + + test "delete returns nil when the key is not present" do + assert_nil @params[:person].delete(:first_name) + end + + test "delete returns the value of the given block when the key is not present" do + assert_equal "David", @params[:person].delete(:first_name) { "David" } + end + + test "delete yields the key to the given block when the key is not present" do + assert_equal "first_name: David", @params[:person].delete(:first_name) { |k| "#{k}: David" } + end + test "delete_if retains permitted status" do @params.permit! assert @params.delete_if { |k| k == "person" }.permitted? |