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require "abstract_unit"
class MultipartParamsParsingTest < ActionDispatch::IntegrationTest
class TestController < ActionController::Base
class << self
attr_accessor :last_request_parameters, :last_parameters
end
def parse
self.class.last_request_parameters = begin
request.request_parameters
rescue EOFError
{}
end
self.class.last_parameters = request.parameters
head :ok
end
def read
render plain: "File: #{params[:uploaded_data].read}"
end
end
FIXTURE_PATH = File.dirname(__FILE__) + "/../../fixtures/multipart"
def teardown
TestController.last_request_parameters = nil
end
test "parses single parameter" do
assert_equal({ "foo" => "bar" }, parse_multipart("single_parameter"))
end
test "parses bracketed parameters" do
assert_equal({ "foo" => { "baz" => "bar" } }, parse_multipart("bracketed_param"))
end
test "parse single utf8 parameter" do
assert_equal({ "Iñtërnâtiônàlizætiøn_name" => "Iñtërnâtiônàlizætiøn_value" },
parse_multipart("single_utf8_param"), "request.request_parameters")
assert_equal(
"Iñtërnâtiônàlizætiøn_value",
TestController.last_parameters["Iñtërnâtiônàlizætiøn_name"], "request.parameters")
end
test "parse bracketed utf8 parameter" do
assert_equal({ "Iñtërnâtiônàlizætiøn_name" => {
"Iñtërnâtiônàlizætiøn_nested_name" => "Iñtërnâtiônàlizætiøn_value" } },
parse_multipart("bracketed_utf8_param"), "request.request_parameters")
assert_equal(
{ "Iñtërnâtiônàlizætiøn_nested_name" => "Iñtërnâtiônàlizætiøn_value" },
TestController.last_parameters["Iñtërnâtiônàlizætiøn_name"], "request.parameters")
end
test "parses text file" do
params = parse_multipart("text_file")
assert_equal %w(file foo), params.keys.sort
assert_equal "bar", params["foo"]
file = params["file"]
assert_equal "file.txt", file.original_filename
assert_equal "text/plain", file.content_type
assert_equal "contents", file.read
end
test "parses utf8 filename with percent character" do
params = parse_multipart("utf8_filename")
assert_equal %w(file foo), params.keys.sort
assert_equal "bar", params["foo"]
file = params["file"]
assert_equal "ファイル%名.txt", file.original_filename
assert_equal "text/plain", file.content_type
assert_equal "contents", file.read
end
test "parses boundary problem file" do
params = parse_multipart("boundary_problem_file")
assert_equal %w(file foo), params.keys.sort
file = params["file"]
foo = params["foo"]
assert_equal "file.txt", file.original_filename
assert_equal "text/plain", file.content_type
assert_equal "bar", foo
end
test "parses large text file" do
params = parse_multipart("large_text_file")
assert_equal %w(file foo), params.keys.sort
assert_equal "bar", params["foo"]
file = params["file"]
assert_equal "file.txt", file.original_filename
assert_equal "text/plain", file.content_type
assert_equal(("a" * 20480), file.read)
end
test "parses binary file" do
params = parse_multipart("binary_file")
assert_equal %w(file flowers foo), params.keys.sort
assert_equal "bar", params["foo"]
file = params["file"]
assert_equal "file.csv", file.original_filename
assert_nil file.content_type
assert_equal "contents", file.read
file = params["flowers"]
assert_equal "flowers.jpg", file.original_filename
assert_equal "image/jpeg", file.content_type
assert_equal 19512, file.size
end
test "parses mixed files" do
params = parse_multipart("mixed_files")
assert_equal %w(files foo), params.keys.sort
assert_equal "bar", params["foo"]
# Rack doesn't handle multipart/mixed for us.
files = params["files"]
assert_equal 19756, files.bytesize
end
test "does not create tempfile if no file has been selected" do
params = parse_multipart("none")
assert_equal %w(submit-name), params.keys.sort
assert_equal "Larry", params["submit-name"]
assert_equal nil, params["files"]
end
test "parses empty upload file" do
params = parse_multipart("empty")
assert_equal %w(files submit-name), params.keys.sort
assert_equal "Larry", params["submit-name"]
assert params["files"]
assert_equal "", params["files"].read
end
test "uploads and reads binary file" do
with_test_routing do
fixture = FIXTURE_PATH + "/mona_lisa.jpg"
params = { uploaded_data: fixture_file_upload(fixture, "image/jpg") }
post "/read", params: params
end
end
test "uploads and reads file" do
with_test_routing do
post "/read", params: { uploaded_data: fixture_file_upload(FIXTURE_PATH + "/hello.txt", "text/plain") }
assert_equal "File: Hello", response.body
end
end
# This can happen in Internet Explorer when redirecting after multipart form submit.
test "does not raise EOFError on GET request with multipart content-type" do
with_routing do |set|
set.draw do
ActiveSupport::Deprecation.silence do
get ":action", controller: "multipart_params_parsing_test/test"
end
end
headers = { "CONTENT_TYPE" => "multipart/form-data; boundary=AaB03x" }
get "/parse", headers: headers
assert_response :ok
end
end
private
def fixture(name)
File.open(File.join(FIXTURE_PATH, name), "rb") do |file|
{ "rack.input" => file.read,
"CONTENT_TYPE" => "multipart/form-data; boundary=AaB03x",
"CONTENT_LENGTH" => file.stat.size.to_s }
end
end
def parse_multipart(name)
with_test_routing do
headers = fixture(name)
post "/parse", params: headers.delete("rack.input"), headers: headers
assert_response :ok
TestController.last_request_parameters
end
end
def with_test_routing
with_routing do |set|
set.draw do
ActiveSupport::Deprecation.silence do
post ":action", controller: "multipart_params_parsing_test/test"
end
end
yield
end
end
end
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