require "abstract_unit" require "action_controller/metal/strong_parameters" require "active_support/core_ext/hash/transform_values" class ParametersMutatorsTest < ActiveSupport::TestCase setup do @params = ActionController::Parameters.new( person: { age: "32", name: { first: "David", last: "Heinemeier Hansson" }, addresses: [{ city: "Chicago", state: "Illinois" }] } ) end test "delete retains permitted status" do @params.permit! assert @params.delete(:person).permitted? end test "delete retains unpermitted status" do 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? end test "delete_if retains unpermitted status" do assert_not @params.delete_if { |k| k == "person" }.permitted? end test "extract! retains permitted status" do @params.permit! assert @params.extract!(:person).permitted? end test "extract! retains unpermitted status" do assert_not @params.extract!(:person).permitted? end test "keep_if retains permitted status" do @params.permit! assert @params.keep_if { |k, v| k == "person" }.permitted? end test "keep_if retains unpermitted status" do assert_not @params.keep_if { |k, v| k == "person" }.permitted? end test "reject! retains permitted status" do @params.permit! assert @params.reject! { |k| k == "person" }.permitted? end test "reject! retains unpermitted status" do assert_not @params.reject! { |k| k == "person" }.permitted? end test "select! retains permitted status" do @params.permit! assert @params.select! { |k| k != "person" }.permitted? end test "select! retains unpermitted status" do assert_not @params.select! { |k| k != "person" }.permitted? end test "slice! retains permitted status" do @params.permit! assert @params.slice!(:person).permitted? end test "slice! retains unpermitted status" do assert_not @params.slice!(:person).permitted? end test "transform_keys! retains permitted status" do @params.permit! assert @params.transform_keys! { |k| k }.permitted? end test "transform_keys! retains unpermitted status" do assert_not @params.transform_keys! { |k| k }.permitted? end test "transform_values! retains permitted status" do @params.permit! assert @params.transform_values! { |v| v }.permitted? end test "transform_values! retains unpermitted status" do assert_not @params.transform_values! { |v| v }.permitted? end end