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require "abstract_unit"
require "action_controller/metal/strong_parameters"
require "active_support/core_ext/hash/transform_values"
class ParametersAccessorsTest < 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 "[] retains permitted status" do
@params.permit!
assert @params[:person].permitted?
assert @params[:person][:name].permitted?
end
test "[] retains unpermitted status" do
assert_not @params[:person].permitted?
assert_not @params[:person][:name].permitted?
end
test "as_json returns the JSON representation of the parameters hash" do
assert_not @params.as_json.key? "parameters"
assert_not @params.as_json.key? "permitted"
assert @params.as_json.key? "person"
end
test "each carries permitted status" do
@params.permit!
@params.each { |key, value| assert(value.permitted?) if key == "person" }
end
test "each carries unpermitted status" do
@params.each { |key, value| assert_not(value.permitted?) if key == "person" }
end
test "each_pair carries permitted status" do
@params.permit!
@params.each_pair { |key, value| assert(value.permitted?) if key == "person" }
end
test "each_pair carries unpermitted status" do
@params.each_pair { |key, value| assert_not(value.permitted?) if key == "person" }
end
test "except retains permitted status" do
@params.permit!
assert @params.except(:person).permitted?
assert @params[:person].except(:name).permitted?
end
test "except retains unpermitted status" do
assert_not @params.except(:person).permitted?
assert_not @params[:person].except(:name).permitted?
end
test "fetch retains permitted status" do
@params.permit!
assert @params.fetch(:person).permitted?
assert @params[:person].fetch(:name).permitted?
end
test "fetch retains unpermitted status" do
assert_not @params.fetch(:person).permitted?
assert_not @params[:person].fetch(:name).permitted?
end
test "reject retains permitted status" do
assert_not @params.reject { |k| k == "person" }.permitted?
end
test "reject retains unpermitted status" do
@params.permit!
assert @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
test "values_at retains permitted status" do
@params.permit!
assert @params.values_at(:person).first.permitted?
assert @params[:person].values_at(:name).first.permitted?
end
test "values_at retains unpermitted status" do
assert_not @params.values_at(:person).first.permitted?
assert_not @params[:person].values_at(:name).first.permitted?
end
test "equality with a hash is deprecated" do
hash1 = { foo: :bar }
params1 = ActionController::Parameters.new(hash1)
assert_deprecated("will be removed in Rails 5.1") do
assert(params1 == hash1)
end
end
test "is equal to Parameters instance with same params" do
params1 = ActionController::Parameters.new(a: 1, b: 2)
params2 = ActionController::Parameters.new(a: 1, b: 2)
assert(params1 == params2)
end
test "is equal to Parameters instance with same permitted params" do
params1 = ActionController::Parameters.new(a: 1, b: 2).permit(:a)
params2 = ActionController::Parameters.new(a: 1, b: 2).permit(:a)
assert(params1 == params2)
end
test "is equal to Parameters instance with same different source params, but same permitted params" do
params1 = ActionController::Parameters.new(a: 1, b: 2).permit(:a)
params2 = ActionController::Parameters.new(a: 1, c: 3).permit(:a)
assert(params1 == params2)
assert(params2 == params1)
end
test "is not equal to an unpermitted Parameters instance with same params" do
params1 = ActionController::Parameters.new(a: 1).permit(:a)
params2 = ActionController::Parameters.new(a: 1)
assert(params1 != params2)
assert(params2 != params1)
end
test "is not equal to Parameters instance with different permitted params" do
params1 = ActionController::Parameters.new(a: 1, b: 2).permit(:a, :b)
params2 = ActionController::Parameters.new(a: 1, b: 2).permit(:a)
assert(params1 != params2)
assert(params2 != params1)
end
test "equality with simple types works" do
assert(@params != "Hello")
assert(@params != 42)
assert(@params != false)
end
test "inspect shows both class name, parameters and permitted flag" do
assert_equal(
'<ActionController::Parameters {"person"=>{"age"=>"32", '\
'"name"=>{"first"=>"David", "last"=>"Heinemeier Hansson"}, ' \
'"addresses"=>[{"city"=>"Chicago", "state"=>"Illinois"}]}} permitted: false>',
@params.inspect
)
end
test "inspect prints updated permitted flag in the output" do
assert_match(/permitted: false/, @params.inspect)
@params.permit!
assert_match(/permitted: true/, @params.inspect)
end
if Hash.method_defined?(:dig)
test "#dig delegates the dig method to its values" do
assert_equal "David", @params.dig(:person, :name, :first)
assert_equal "Chicago", @params.dig(:person, :addresses, 0, :city)
end
test "#dig converts hashes to parameters" do
assert_kind_of ActionController::Parameters, @params.dig(:person)
assert_kind_of ActionController::Parameters, @params.dig(:person, :addresses, 0)
assert @params.dig(:person, :addresses).all? do |value|
value.is_a?(ActionController::Parameters)
end
end
else
test "ActionController::Parameters does not respond to #dig on Ruby 2.2" do
assert_not ActionController::Parameters.method_defined?(:dig)
assert_not @params.respond_to?(:dig)
end
end
end
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