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# frozen_string_literal: true
require "abstract_unit"
require "action_controller/metal/strong_parameters"
class ParametersSerializationTest < ActiveSupport::TestCase
setup do
@old_permitted_parameters = ActionController::Parameters.permit_all_parameters
ActionController::Parameters.permit_all_parameters = false
end
teardown do
ActionController::Parameters.permit_all_parameters = @old_permitted_parameters
end
test "YAML serialization" do
params = ActionController::Parameters.new(key: :value)
yaml_dump = YAML.dump(params)
assert_match("--- !ruby/object:ActionController::Parameters", yaml_dump)
assert_match(/parameters: !ruby\/hash:ActiveSupport::HashWithIndifferentAccess\n\s+key: :value/, yaml_dump)
assert_match("permitted: false", yaml_dump)
end
test "YAML deserialization" do
params = ActionController::Parameters.new(key: :value)
payload = YAML.dump(params)
roundtripped = YAML.respond_to?(:unsafe_load) ? YAML.unsafe_load(payload) : YAML.load(payload)
assert_equal params, roundtripped
assert_not_predicate roundtripped, :permitted?
end
test "YAML backwardscompatible with psych 2.0.8 format" do
payload = <<~end_of_yaml
--- !ruby/hash:ActionController::Parameters
key: :value
end_of_yaml
params = YAML.respond_to?(:unsafe_load) ? YAML.unsafe_load(payload) : YAML.load(payload)
assert_equal :value, params[:key]
assert_not_predicate params, :permitted?
end
test "YAML backwardscompatible with psych 2.0.9+ format" do
payload = <<~end_of_yaml
--- !ruby/hash-with-ivars:ActionController::Parameters
elements:
key: :value
ivars:
:@permitted: false
end_of_yaml
params = YAML.respond_to?(:unsafe_load) ? YAML.unsafe_load(payload) : YAML.load(payload)
assert_equal :value, params[:key]
assert_not_predicate params, :permitted?
end
end
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