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require "abstract_unit"
class ParameterEncodingController < ActionController::Base
parameter_encoding :test_bar, :bar, Encoding::ASCII_8BIT
parameter_encoding :test_baz, :baz, Encoding::ISO_8859_1
parameter_encoding :test_baz_to_ascii, :baz, Encoding::ASCII_8BIT
def test_foo
render body: params[:foo].encoding
end
def test_bar
render body: params[:bar].encoding
end
def test_baz
render body: params[:baz].encoding
end
def test_no_change_to_baz
render body: params[:baz].encoding
end
def test_baz_to_ascii
render body: params[:baz].encoding
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 transcodes ASCII_8BIT parameters into declared encodings" do
post :test_bar, params: {"foo" => "foo", "bar" => "bar", "baz" => "baz"}
assert_response :success
assert_equal "ASCII-8BIT", @response.body
end
test "properly transcodes ISO_8859_1 parameters into declared encodings" do
post :test_baz, params: {"foo" => "foo", "bar" => "bar", "baz" => "baz"}
assert_response :success
assert_equal "ISO-8859-1", @response.body
end
test "does not transcode parameters when not specified" do
post :test_no_change_to_baz, params: {"foo" => "foo", "bar" => "bar", "baz" => "baz"}
assert_response :success
assert_equal "UTF-8", @response.body
end
test "respects different encoding declarations for a param per action" do
post :test_baz_to_ascii, params: {"foo" => "foo", "bar" => "bar", "baz" => "baz"}
assert_response :success
assert_equal "ASCII-8BIT", @response.body
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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