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# frozen_string_literal: true
require "abstract_unit"
class ParameterEncodingController < ActionController::Base
skip_parameter_encoding :test_bar
skip_parameter_encoding :test_all_values_encoding
def test_foo
render body: params[:foo].encoding
end
def test_bar
render body: params[:bar].encoding
end
def test_all_values_encoding
render body: ::JSON.dump(params.values.map(&:encoding).map(&:name))
end
end
class ParameterEncodingTest < ActionController::TestCase
tests ParameterEncodingController
test "properly transcodes UTF8 parameters into declared encodings" do
post :test_foo, params: { "foo" => "foo", "bar" => "bar", "baz" => "baz" }
assert_response :success
assert_equal "UTF-8", @response.body
end
test "properly encodes ASCII_8BIT parameters into binary" do
post :test_bar, params: { "foo" => "foo", "bar" => "bar", "baz" => "baz" }
assert_response :success
assert_equal "ASCII-8BIT", @response.body
end
test "properly encodes all ASCII_8BIT parameters into binary" do
post :test_all_values_encoding, params: { "foo" => "foo", "bar" => "bar", "baz" => "baz" }
assert_response :success
assert_equal ["ASCII-8BIT"], JSON.parse(@response.body).uniq
end
test "does not raise an error when passed a param declared as ASCII-8BIT that contains invalid bytes" do
get :test_bar, params: { "bar" => URI.parser.escape("bar\xE2baz".b) }
assert_response :success
assert_equal "ASCII-8BIT", @response.body
end
end
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