yesod/yesod-core/test/YesodCoreTest/InternalRequest.hs
2018-01-15 10:18:16 +02:00

116 lines
4.0 KiB
Haskell

{-# LANGUAGE OverloadedStrings #-}
module YesodCoreTest.InternalRequest (internalRequestTest) where
import Data.List (nub)
import Network.Wai as W
import Yesod.Core.Internal (randomString, parseWaiRequest)
import Test.Hspec
import Data.Monoid (mempty)
import Data.Map (singleton)
import Yesod.Core
import Data.Word (Word64)
import System.IO.Unsafe (unsafePerformIO)
import Control.Monad (replicateM)
import System.Random
gen :: IO Int
gen = getStdRandom next
randomStringSpecs :: Spec
randomStringSpecs = describe "Yesod.Internal.Request.randomString" $ do
--it "looks reasonably random" looksRandom
it "does not repeat itself" $ noRepeat 10 100
-- NOTE: this testcase may break on other systems/architectures if
-- mkStdGen is not identical everywhere (is it?).
_looksRandom :: IO ()
_looksRandom = do
s <- randomString 20 gen
s `shouldBe` "VH9SkhtptqPs6GqtofVg"
noRepeat :: Int -> Int -> IO ()
noRepeat len n = do
ss <- replicateM n $ randomString len gen
length (nub ss) `shouldBe` n
-- For convenience instead of "(undefined :: StdGen)".
g :: IO Int
g = error "test/YesodCoreTest/InternalRequest.g"
parseWaiRequest' :: Request
-> SessionMap
-> Bool
-> Word64
-> YesodRequest
parseWaiRequest' a b c d = unsafePerformIO $ -- ugly hack, just to ease migration, should be removed
case parseWaiRequest a b c (Just d) of
Left yreq -> yreq
Right needGen -> needGen g
tokenSpecs :: Spec
tokenSpecs = describe "Yesod.Internal.Request.parseWaiRequest (reqToken)" $ do
it "is Nothing if sessions are disabled" noDisabledToken
it "ignores pre-existing token if sessions are disabled" ignoreDisabledToken
it "uses preexisting token in session" useOldToken
it "generates a new token for sessions without token" generateToken
noDisabledToken :: Bool
noDisabledToken = reqToken r == Nothing where
r = parseWaiRequest' defaultRequest Data.Monoid.mempty False 1000
ignoreDisabledToken :: Bool
ignoreDisabledToken = reqToken r == Nothing where
r = parseWaiRequest' defaultRequest (singleton "_TOKEN" "old") False 1000
useOldToken :: Bool
useOldToken = reqToken r == Just "old" where
r = parseWaiRequest' defaultRequest (singleton "_TOKEN" "old") True 1000
generateToken :: Bool
generateToken = reqToken r /= Nothing where
r = parseWaiRequest' defaultRequest (singleton "_TOKEN" "old") True 1000
langSpecs :: Spec
langSpecs = describe "Yesod.Internal.Request.parseWaiRequest (reqLangs)" $ do
it "respects Accept-Language" respectAcceptLangs
it "respects sessions" respectSessionLang
it "respects cookies" respectCookieLang
it "respects queries" respectQueryLang
it "prioritizes correctly" prioritizeLangs
respectAcceptLangs :: Bool
respectAcceptLangs = reqLangs r == ["en-US", "es", "en"] where
r = parseWaiRequest' defaultRequest
{ requestHeaders = [("Accept-Language", "en-US, es")] } mempty False 1000
respectSessionLang :: Bool
respectSessionLang = reqLangs r == ["en"] where
r = parseWaiRequest' defaultRequest (singleton "_LANG" "en") False 1000
respectCookieLang :: Bool
respectCookieLang = reqLangs r == ["en"] where
r = parseWaiRequest' defaultRequest
{ requestHeaders = [("Cookie", "_LANG=en")]
} mempty False 1000
respectQueryLang :: Bool
respectQueryLang = reqLangs r == ["en-US", "en"] where
r = parseWaiRequest' defaultRequest { queryString = [("_LANG", Just "en-US")] } mempty False 1000
prioritizeLangs :: Bool
prioritizeLangs = reqLangs r == ["en-QUERY", "en-COOKIE", "en-SESSION", "en", "es"] where
r = parseWaiRequest' defaultRequest
{ requestHeaders = [ ("Accept-Language", "en, es")
, ("Cookie", "_LANG=en-COOKIE")
]
, queryString = [("_LANG", Just "en-QUERY")]
} (singleton "_LANG" "en-SESSION") False 10000
internalRequestTest :: Spec
internalRequestTest = describe "Test.InternalRequestTest" $ do
randomStringSpecs
tokenSpecs
langSpecs