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require 'isolation/abstract_unit'
module ApplicationTests
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class MiddlewareTest < ActiveSupport :: TestCase
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include ActiveSupport :: Testing :: Isolation
def setup
build_app
boot_rails
FileUtils . rm_rf " #{ app_path } /config/environments "
end
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def teardown
teardown_app
end
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def app
@app || = Rails . application
end
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test " default middleware stack " do
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add_to_config " config.action_dispatch.x_sendfile_header = 'X-Sendfile' "
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boot!
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assert_equal [
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" Rack::Sendfile " ,
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" ActionDispatch::Static " ,
" Rack::Lock " ,
" ActiveSupport::Cache::Strategy::LocalCache " ,
" Rack::Runtime " ,
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" Rack::MethodOverride " ,
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" ActionDispatch::RequestId " ,
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" Rails::Rack::Logger " , # must come after Rack::MethodOverride to properly log overridden methods
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" ActionDispatch::ShowExceptions " ,
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" ActionDispatch::DebugExceptions " ,
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" ActionDispatch::RemoteIp " ,
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" ActionDispatch::Reloader " ,
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" ActionDispatch::Callbacks " ,
" ActiveRecord::ConnectionAdapters::ConnectionManagement " ,
" ActiveRecord::QueryCache " ,
" ActionDispatch::Cookies " ,
" ActionDispatch::Session::CookieStore " ,
" ActionDispatch::Flash " ,
" ActionDispatch::ParamsParser " ,
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" Rack::Head " ,
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" Rack::ConditionalGet " ,
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" Rack::ETag "
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] , middleware
end
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test " Rack::Sendfile is not included by default " do
boot!
assert ! middleware . include? ( " Rack::Sendfile " ) , " Rack::Sendfile is not included in the default stack unless you set config.action_dispatch.x_sendfile_header "
end
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test " Rack::Cache is not included by default " do
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boot!
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assert ! middleware . include? ( " Rack::Cache " ) , " Rack::Cache is not included in the default stack unless you set config.action_dispatch.rack_cache "
end
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test " Rack::Cache is present when action_dispatch.rack_cache is set " do
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add_to_config " config.action_dispatch.rack_cache = true "
boot!
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assert_equal " Rack::Cache " , middleware . first
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end
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test " ActionDispatch::SSL is present when force_ssl is set " do
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add_to_config " config.force_ssl = true "
boot!
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assert middleware . include? ( " ActionDispatch::SSL " )
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end
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test " ActionDispatch::SSL is configured with options when given " do
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add_to_config " config.force_ssl = true "
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add_to_config " config.ssl_options = { host: 'example.com' } "
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boot!
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assert_equal AppTemplate :: Application . middleware . first . args , [ { host : 'example.com' } ]
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end
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test " removing Active Record omits its middleware " do
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use_frameworks [ ]
boot!
assert ! middleware . include? ( " ActiveRecord::ConnectionAdapters::ConnectionManagement " )
assert ! middleware . include? ( " ActiveRecord::QueryCache " )
end
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test " removes lock if cache classes is set " do
add_to_config " config.cache_classes = true "
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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
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test " can delete a middleware from the stack " do
add_to_config " config.middleware.delete ActionDispatch::Static "
boot!
assert ! middleware . include? ( " ActionDispatch::Static " )
end
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test " includes exceptions middlewares even if action_dispatch.show_exceptions is disabled " do
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add_to_config " config.action_dispatch.show_exceptions = false "
boot!
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assert middleware . include? ( " ActionDispatch::ShowExceptions " )
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assert middleware . include? ( " ActionDispatch::DebugExceptions " )
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end
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test " removes ActionDispatch::Reloader if cache_classes is true " do
add_to_config " config.cache_classes = true "
boot!
assert ! middleware . include? ( " ActionDispatch::Reloader " )
end
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test " use middleware " do
use_frameworks [ ]
add_to_config " config.middleware.use Rack::Config "
boot!
assert_equal " Rack::Config " , middleware . last
end
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test " insert middleware after " do
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add_to_config " config.middleware.insert_after ActionDispatch::Static, Rack::Config "
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boot!
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assert_equal " Rack::Config " , middleware . second
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end
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test " Rails.cache does not respond to middleware " do
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add_to_config " config.cache_store = :memory_store "
boot!
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assert_equal " Rack::Runtime " , middleware . third
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end
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test " Rails.cache does respond to middleware " do
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boot!
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assert_equal " Rack::Runtime " , middleware . fourth
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end
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test " insert middleware before " do
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add_to_config " config.middleware.insert_before ActionDispatch::Static, Rack::Config "
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boot!
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assert_equal " Rack::Config " , middleware . first
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end
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test " can't change middleware after it's built " do
boot!
assert_raise RuntimeError do
app . config . middleware . use Rack :: Config
end
end
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# ConditionalGet + Etag
test " conditional get + etag middlewares handle http caching based on body " do
make_basic_app
class :: OmgController < ActionController :: Base
def index
if params [ :nothing ]
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render text : " "
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else
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render text : " OMG "
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end
end
end
etag = " 5af83e3196bf99f440f31f2e1a6c9afe " . inspect
get " / "
assert_equal 200 , last_response . status
assert_equal " OMG " , last_response . body
assert_equal " text/html; charset=utf-8 " , last_response . headers [ " Content-Type " ]
assert_equal " max-age=0, private, must-revalidate " , last_response . headers [ " Cache-Control " ]
assert_equal etag , last_response . headers [ " Etag " ]
get " / " , { } , " HTTP_IF_NONE_MATCH " = > etag
assert_equal 304 , last_response . status
assert_equal " " , last_response . body
assert_equal nil , last_response . headers [ " Content-Type " ]
assert_equal " max-age=0, private, must-revalidate " , last_response . headers [ " Cache-Control " ]
assert_equal etag , last_response . headers [ " Etag " ]
get " /?nothing=true "
assert_equal 200 , last_response . status
assert_equal " " , last_response . body
assert_equal " text/html; charset=utf-8 " , last_response . headers [ " Content-Type " ]
assert_equal " no-cache " , last_response . headers [ " Cache-Control " ]
assert_equal nil , last_response . headers [ " Etag " ]
end
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test " ORIGINAL_FULLPATH is passed to env " do
boot!
env = :: Rack :: MockRequest . env_for ( " /foo/?something " )
Rails . application . call ( env )
assert_equal " /foo/?something " , env [ " ORIGINAL_FULLPATH " ]
end
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private
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def boot!
require " #{ app_path } /config/environment "
end
def middleware
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AppTemplate :: Application . middleware . map ( & :klass ) . map ( & :name )
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end
end
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end