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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
get ':action', controller: 'multipart_params_parsing_test/test'
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
post ':action', :controller => 'multipart_params_parsing_test/test'
end
yield
end
end
end
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