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require 'isolation/abstract_unit'
require 'stringio'
module ApplicationTests
class MiddlewareTest < Test::Unit::TestCase
include ActiveSupport::Testing::Isolation
def setup
build_app
boot_rails
FileUtils.rm_rf "#{app_path}/config/environments"
end
def app
@app ||= Rails.application
end
test "default middleware stack" do
boot!
assert_equal [
"ActionDispatch::Static",
"Rack::Lock",
"ActiveSupport::Cache::Strategy::LocalCache",
"Rack::Runtime",
"Rails::Rack::Logger",
"ActionDispatch::ShowExceptions",
"ActionDispatch::RemoteIp",
"Rack::Sendfile",
"ActionDispatch::Callbacks",
"ActiveRecord::QueryCache",
"ActionDispatch::Cookies",
"ActionDispatch::Session::CookieStore",
"ActionDispatch::Flash",
"ActionDispatch::ParamsParser",
"Rack::MethodOverride",
"ActionDispatch::Head"
], middleware
end
test "removing activerecord omits its middleware" do
use_frameworks []
boot!
assert !middleware.include?("ActiveRecord::ConnectionAdapters::ConnectionManagement")
assert !middleware.include?("ActiveRecord::QueryCache")
end
test "removes lock if allow concurrency is set" do
add_to_config "config.allow_concurrency = true"
boot!
assert !middleware.include?("Rack::Lock")
end
test "removes static asset server if serve_static_assets is disabled" do
add_to_config "config.serve_static_assets = false"
boot!
assert !middleware.include?("ActionDispatch::Static")
end
test "can delete a middleware from the stack" do
add_to_config "config.middleware.delete ActionDispatch::Static"
boot!
assert !middleware.include?("ActionDispatch::Static")
end
test "removes show exceptions if action_dispatch.show_exceptions is disabled" do
add_to_config "config.action_dispatch.show_exceptions = false"
boot!
assert !middleware.include?("ActionDispatch::ShowExceptions")
end
test "use middleware" do
use_frameworks []
add_to_config "config.middleware.use Rack::Config"
boot!
assert_equal "Rack::Config", middleware.last
end
test "insert middleware after" do
add_to_config "config.middleware.insert_after ActionDispatch::Static, Rack::Config"
boot!
assert_equal "Rack::Config", middleware.second
end
test "RAILS_CACHE does not respond to middleware" do
add_to_config "config.cache_store = :memory_store"
boot!
assert_equal "Rack::Runtime", middleware.third
end
test "RAILS_CACHE does respond to middleware" do
boot!
assert_equal "Rack::Runtime", middleware.fourth
end
test "insert middleware before" do
add_to_config "config.middleware.insert_before ActionDispatch::Static, Rack::Config"
boot!
assert_equal "Rack::Config", middleware.first
end
# x_sendfile_header middleware
test "config.action_dispatch.x_sendfile_header defaults to ''" do
make_basic_app
class ::OmgController < ActionController::Base
def index
send_file __FILE__
end
end
get "/"
assert_equal File.read(__FILE__), last_response.body
end
test "config.action_dispatch.x_sendfile_header can be set" do
make_basic_app do |app|
app.config.action_dispatch.x_sendfile_header = "X-Sendfile"
end
class ::OmgController < ActionController::Base
def index
send_file __FILE__
end
end
get "/"
assert_equal File.expand_path(__FILE__), last_response.headers["X-Sendfile"]
end
test "config.action_dispatch.x_sendfile_header is sent to Rack::Sendfile" do
make_basic_app do |app|
app.config.action_dispatch.x_sendfile_header = 'X-Lighttpd-Send-File'
end
class ::OmgController < ActionController::Base
def index
send_file __FILE__
end
end
get "/"
assert_equal File.expand_path(__FILE__), last_response.headers["X-Lighttpd-Send-File"]
end
# remote_ip tests
test "remote_ip works" do
make_basic_app
assert_equal "1.1.1.1", remote_ip("REMOTE_ADDR" => "1.1.1.1")
end
test "checks IP spoofing by default" do
make_basic_app
assert_raises(ActionDispatch::RemoteIp::IpSpoofAttackError) do
remote_ip("HTTP_X_FORWARDED_FOR" => "1.1.1.1", "HTTP_CLIENT_IP" => "1.1.1.2")
end
end
test "can disable IP spoofing check" do
make_basic_app do |app|
app.config.action_dispatch.ip_spoofing_check = false
end
assert_nothing_raised(ActionDispatch::RemoteIp::IpSpoofAttackError) do
assert_equal "1.1.1.2", remote_ip("HTTP_X_FORWARDED_FOR" => "1.1.1.1", "HTTP_CLIENT_IP" => "1.1.1.2")
end
end
test "the user can set trusted proxies" do
make_basic_app do |app|
app.config.action_dispatch.trusted_proxies = /^4\.2\.42\.42$/
end
assert_equal "1.1.1.1", remote_ip("REMOTE_ADDR" => "4.2.42.42,1.1.1.1")
end
test "show exceptions middleware filter backtrace before logging" do
my_middleware = Struct.new(:app) do
def call(env)
raise "Failure"
end
end
make_basic_app do |app|
app.config.middleware.use my_middleware
end
stringio = StringIO.new
Rails.logger = Logger.new(stringio)
env = Rack::MockRequest.env_for("/")
Rails.application.call(env)
assert_no_match(/action_dispatch/, stringio.string)
end
private
def boot!
require "#{app_path}/config/environment"
end
def middleware
AppTemplate::Application.middleware.map(&:klass).map(&:name)
end
def remote_ip(env = {})
remote_ip = nil
env = Rack::MockRequest.env_for("/").merge(env).merge!(
'action_dispatch.show_exceptions' => false,
'action_dispatch.secret_token' => 'b3c631c314c0bbca50c1b2843150fe33'
)
endpoint = Proc.new do |e|
remote_ip = ActionDispatch::Request.new(e).remote_ip
[200, {}, ["Hello"]]
end
Rails.application.middleware.build(endpoint).call(env)
remote_ip
end
end
end
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