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# frozen_string_literal: true
require "abstract_unit"
require "action_controller/metal/strong_parameters"
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_predicate @params.delete(:person), :permitted?
end
test "delete retains unpermitted status" do
assert_not_predicate @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_predicate @params.delete_if { |k| k == "person" }, :permitted?
end
test "delete_if retains unpermitted status" do
assert_not_predicate @params.delete_if { |k| k == "person" }, :permitted?
end
test "extract! retains permitted status" do
@params.permit!
assert_predicate @params.extract!(:person), :permitted?
end
test "extract! retains unpermitted status" do
assert_not_predicate @params.extract!(:person), :permitted?
end
test "keep_if retains permitted status" do
@params.permit!
assert_predicate @params.keep_if { |k, v| k == "person" }, :permitted?
end
test "keep_if retains unpermitted status" do
assert_not_predicate @params.keep_if { |k, v| k == "person" }, :permitted?
end
test "reject! retains permitted status" do
@params.permit!
assert_predicate @params.reject! { |k| k == "person" }, :permitted?
end
test "reject! retains unpermitted status" do
assert_not_predicate @params.reject! { |k| k == "person" }, :permitted?
end
test "select! retains permitted status" do
@params.permit!
assert_predicate @params.select! { |k| k != "person" }, :permitted?
end
test "select! retains unpermitted status" do
assert_not_predicate @params.select! { |k| k != "person" }, :permitted?
end
test "slice! retains permitted status" do
@params.permit!
assert_predicate @params.slice!(:person), :permitted?
end
test "slice! retains unpermitted status" do
assert_not_predicate @params.slice!(:person), :permitted?
end
test "transform_keys! retains permitted status" do
@params.permit!
assert_predicate @params.transform_keys! { |k| k }, :permitted?
end
test "transform_keys! retains unpermitted status" do
assert_not_predicate @params.transform_keys! { |k| k }, :permitted?
end
test "transform_values! retains permitted status" do
@params.permit!
assert_predicate @params.transform_values! { |v| v }, :permitted?
end
test "transform_values! retains unpermitted status" do
assert_not_predicate @params.transform_values! { |v| v }, :permitted?
end
test "deep_transform_keys! retains permitted status" do
@params.permit!
assert_predicate @params.deep_transform_keys! { |k| k }, :permitted?
end
test "deep_transform_keys! transforms nested keys" do
@params.permit!
@params.deep_transform_keys!(&:upcase)
expected_hash = { "PERSON" => { "AGE" => "32", "NAME" => { "FIRST" => "David", "LAST" => "Heinemeier Hansson" }, "ADDRESSES" => [{ "CITY" => "Chicago", "STATE" => "Illinois" }] } }
assert_equal @params.to_hash, expected_hash
end
test "deep_transform_keys transforms nested keys" do
original_hash = @params.to_unsafe_h
@params.permit!
new_params = @params.deep_transform_keys(&:upcase)
assert_equal @params.to_hash, original_hash
expected_hash = { "PERSON" => { "AGE" => "32", "NAME" => { "FIRST" => "David", "LAST" => "Heinemeier Hansson" }, "ADDRESSES" => [{ "CITY" => "Chicago", "STATE" => "Illinois" }] } }
assert_equal new_params.to_hash, expected_hash
end
test "deep_transform_keys! retains unpermitted status" do
assert_not_predicate @params.deep_transform_keys! { |k| k }, :permitted?
end
test "compact retains permitted status" do
@params.permit!
assert_predicate @params.compact, :permitted?
end
test "compact retains unpermitted status" do
assert_not_predicate @params.compact, :permitted?
end
test "compact! returns nil when no values are nil" do
assert_nil @params.compact!
end
test "compact! retains permitted status" do
@params[:person] = nil
@params.permit!
assert_predicate @params.compact!, :permitted?
end
test "compact! retains unpermitted status" do
@params[:person] = nil
assert_not_predicate @params.compact!, :permitted?
end
test "compact_blank retains permitted status" do
@params.permit!
assert_predicate @params.compact_blank, :permitted?
end
test "compact_blank retains unpermitted status" do
assert_not_predicate @params.compact_blank, :permitted?
end
test "compact_blank! retains permitted status" do
@params.permit!
assert_predicate @params.compact_blank!, :permitted?
end
test "compact_blank! retains unpermitted status" do
assert_not_predicate @params.compact_blank!, :permitted?
end
test "to_h returns a ActiveSupport::HashWithIndifferentAccess" do
@params.permit!
params_hash = @params.to_h
assert_instance_of ActiveSupport::HashWithIndifferentAccess, params_hash
end
# rubocop:disable Style/HashTransformKeys
test "to_h receives a block and transforms keys" do
params = ActionController::Parameters.new(name: "Alex", age: "40", location: "Beijing")
params.permit!
params_hash = params.to_h { |key, value| [:"#{key}_modified", value] }
assert_equal %w(name_modified age_modified location_modified), params_hash.keys
end
# rubocop:enable Style/HashTransformKeys
# rubocop:disable Style/HashTransformValues
test "to_h receives a block and transforms values" do
params = ActionController::Parameters.new(name: "Alex", age: "40", location: "Beijing")
params.permit!
params_hash = params.to_h { |key, value| [key, value.is_a?(String) ? "#{value}_modified" : value] }
assert_equal %w(Alex_modified 40_modified Beijing_modified), params_hash.values
end
# rubocop:enable Style/HashTransformValues
test "to_h does not include unpermitted params" do
params = ActionController::Parameters.new(name: "Alex", age: "40", location: "Beijing")
assert_raises(ActionController::UnfilteredParameters) { params.to_h { |key, value| [key, value] } }
end
end
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