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226 lines
6.9 KiB
Ruby
226 lines
6.9 KiB
Ruby
require 'abstract_unit'
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require 'action_controller/metal/strong_parameters'
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class ParametersPermitTest < ActiveSupport::TestCase
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def assert_filtered_out(params, key)
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assert !params.has_key?(key), "key #{key.inspect} has not been filtered out"
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end
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setup do
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@params = ActionController::Parameters.new({ person: {
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age: "32", name: { first: "David", last: "Heinemeier Hansson" }
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}})
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@struct_fields = []
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%w(0 1 12).each do |number|
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['', 'i', 'f'].each do |suffix|
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@struct_fields << "sf(#{number}#{suffix})"
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end
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end
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end
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test 'if nothing is permitted, the hash becomes empty' do
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params = ActionController::Parameters.new(id: '1234')
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permitted = params.permit
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assert permitted.permitted?
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assert permitted.empty?
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end
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test 'key: permitted scalar values' do
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values = ['a', :a, nil]
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values += [0, 1.0, 2**128, BigDecimal.new(1)]
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values += [true, false]
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values += [Date.today, Time.now, DateTime.now]
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values += [StringIO.new]
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values.each do |value|
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params = ActionController::Parameters.new(id: value)
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permitted = params.permit(:id)
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assert_equal value, permitted[:id]
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@struct_fields.each do |sf|
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params = ActionController::Parameters.new(sf => value)
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permitted = params.permit(:sf)
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assert_equal value, permitted[sf]
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end
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end
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end
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test 'key: unknown keys are filtered out' do
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params = ActionController::Parameters.new(id: '1234', injected: 'injected')
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permitted = params.permit(:id)
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assert_equal '1234', permitted[:id]
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assert_filtered_out permitted, :injected
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end
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test 'key: arrays are filtered out' do
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[[], [1], ['1']].each do |array|
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params = ActionController::Parameters.new(id: array)
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permitted = params.permit(:id)
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assert_filtered_out permitted, :id
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@struct_fields.each do |sf|
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params = ActionController::Parameters.new(sf => array)
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permitted = params.permit(:sf)
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assert_filtered_out permitted, sf
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end
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end
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end
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test 'key: hashes are filtered out' do
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[{}, {foo: 1}, {foo: 'bar'}].each do |hash|
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params = ActionController::Parameters.new(id: hash)
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permitted = params.permit(:id)
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assert_filtered_out permitted, :id
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@struct_fields.each do |sf|
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params = ActionController::Parameters.new(sf => hash)
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permitted = params.permit(:sf)
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assert_filtered_out permitted, sf
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end
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end
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end
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test 'key: non-permitted scalar values are filtered out' do
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params = ActionController::Parameters.new(id: Object.new)
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permitted = params.permit(:id)
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assert_filtered_out permitted, :id
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@struct_fields.each do |sf|
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params = ActionController::Parameters.new(sf => Object.new)
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permitted = params.permit(:sf)
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assert_filtered_out permitted, sf
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end
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end
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test 'key: it is not assigned if not present in params' do
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params = ActionController::Parameters.new(name: 'Joe')
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permitted = params.permit(:id)
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assert !permitted.has_key?(:id)
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end
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test 'key to empty array: empty arrays pass' do
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params = ActionController::Parameters.new(id: [])
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permitted = params.permit(id: [])
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assert_equal [], permitted[:id]
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end
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test 'key to empty array: arrays of permitted scalars pass' do
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[['foo'], [1], ['foo', 'bar'], [1, 2, 3]].each do |array|
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params = ActionController::Parameters.new(id: array)
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permitted = params.permit(id: [])
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assert_equal array, permitted[:id]
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end
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end
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test 'key to empty array: permitted scalar values do not pass' do
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['foo', 1].each do |permitted_scalar|
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params = ActionController::Parameters.new(id: permitted_scalar)
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permitted = params.permit(id: [])
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assert_filtered_out permitted, :id
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end
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end
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test 'key to empty array: arrays of non-permitted scalar do not pass' do
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[[Object.new], [[]], [[1]], [{}], [{id: '1'}]].each do |non_permitted_scalar|
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params = ActionController::Parameters.new(id: non_permitted_scalar)
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permitted = params.permit(id: [])
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assert_filtered_out permitted, :id
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end
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end
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test "fetch raises ParameterMissing exception" do
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e = assert_raises(ActionController::ParameterMissing) do
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@params.fetch :foo
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end
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assert_equal :foo, e.param
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end
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test "fetch doesnt raise ParameterMissing exception if there is a default" do
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assert_equal "monkey", @params.fetch(:foo, "monkey")
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assert_equal "monkey", @params.fetch(:foo) { "monkey" }
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end
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test "not permitted is sticky on accessors" do
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assert !@params.slice(:person).permitted?
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assert !@params[:person][:name].permitted?
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assert !@params[:person].except(:name).permitted?
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@params.each { |key, value| assert(!value.permitted?) if key == "person" }
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assert !@params.fetch(:person).permitted?
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assert !@params.values_at(:person).first.permitted?
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end
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test "permitted is sticky on accessors" do
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@params.permit!
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assert @params.slice(:person).permitted?
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assert @params[:person][:name].permitted?
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assert @params[:person].except(:name).permitted?
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@params.each { |key, value| assert(value.permitted?) if key == "person" }
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assert @params.fetch(:person).permitted?
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assert @params.values_at(:person).first.permitted?
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end
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test "not permitted is sticky on mutators" do
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assert !@params.delete_if { |k| k == "person" }.permitted?
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assert !@params.keep_if { |k,v| k == "person" }.permitted?
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end
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test "permitted is sticky on mutators" do
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@params.permit!
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assert @params.delete_if { |k| k == "person" }.permitted?
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assert @params.keep_if { |k,v| k == "person" }.permitted?
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end
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test "not permitted is sticky beyond merges" do
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assert !@params.merge(a: "b").permitted?
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end
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test "permitted is sticky beyond merges" do
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@params.permit!
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assert @params.merge(a: "b").permitted?
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end
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test "modifying the parameters" do
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@params[:person][:hometown] = "Chicago"
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@params[:person][:family] = { brother: "Jonas" }
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assert_equal "Chicago", @params[:person][:hometown]
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assert_equal "Jonas", @params[:person][:family][:brother]
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end
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test "permit state is kept on a dup" do
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@params.permit!
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assert_equal @params.permitted?, @params.dup.permitted?
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end
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test "permit is recursive" do
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@params.permit!
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assert @params.permitted?
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assert @params[:person].permitted?
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assert @params[:person][:name].permitted?
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end
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test "permitted takes a default value when Parameters.permit_all_parameters is set" do
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begin
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ActionController::Parameters.permit_all_parameters = true
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params = ActionController::Parameters.new({ person: {
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age: "32", name: { first: "David", last: "Heinemeier Hansson" }
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}})
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assert params.slice(:person).permitted?
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assert params[:person][:name].permitted?
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ensure
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ActionController::Parameters.permit_all_parameters = false
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end
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end
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test "permitting parameters as an array" do
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assert_equal "32", @params[:person].permit([ :age ])[:age]
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end
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end
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