75 lines
2.2 KiB
Haskell
75 lines
2.2 KiB
Haskell
{-# LANGUAGE QuasiQuotes, TypeFamilies, TemplateHaskell, MultiParamTypeClasses #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE DeriveDataTypeable #-}
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module YesodCoreTest.Cache (cacheTest, Widget) where
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import Test.Hspec
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import Network.Wai
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import Network.Wai.Test
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import Yesod.Core
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import Data.IORef.Lifted
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import Data.Typeable (Typeable)
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import qualified Data.ByteString.Lazy.Char8 as L8
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import Data.Text (Text)
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import Data.Text.Encoding (encodeUtf8)
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data C = C
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newtype V1 = V1 Int
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deriving Typeable
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newtype V2 = V2 Int
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deriving Typeable
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mkYesod "C" [parseRoutes|
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/ RootR GET
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/key KeyR GET
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|]
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instance Yesod C where
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errorHandler e = liftIO (print e) >> defaultErrorHandler e
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getRootR :: Handler RepPlain
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getRootR = do
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ref <- newIORef 0
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V1 v1a <- cached $ atomicModifyIORef ref $ \i -> (i + 1, V1 $ i + 1)
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V1 v1b <- cached $ atomicModifyIORef ref $ \i -> (i + 1, V1 $ i + 1)
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V2 v2a <- cached $ atomicModifyIORef ref $ \i -> (i + 1, V2 $ i + 1)
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V2 v2b <- cached $ atomicModifyIORef ref $ \i -> (i + 1, V2 $ i + 1)
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return $ RepPlain $ toContent $ show [v1a, v1b, v2a, v2b]
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getKeyR :: Handler RepPlain
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getKeyR = do
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ref <- newIORef 0
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V1 v1a <- cachedBy "1" $ atomicModifyIORef ref $ \i -> (i + 1, V1 $ i + 1)
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V1 v1b <- cachedBy "1" $ atomicModifyIORef ref $ \i -> (i + 1, V1 $ i + 1)
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V2 v2a <- cachedBy "1" $ atomicModifyIORef ref $ \i -> (i + 1, V2 $ i + 1)
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V2 v2b <- cachedBy "1" $ atomicModifyIORef ref $ \i -> (i + 1, V2 $ i + 1)
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V2 v3a <- cachedBy "2" $ atomicModifyIORef ref $ \i -> (i + 1, V2 $ i + 1)
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V2 v3b <- cachedBy "2" $ atomicModifyIORef ref $ \i -> (i + 1, V2 $ i + 1)
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return $ RepPlain $ toContent $ show [v1a, v1b, v2a, v2b, v3a, v3b]
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cacheTest :: Spec
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cacheTest =
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describe "Test.Cache" $ do
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it "cached" $ runner $ do
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res <- request defaultRequest
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assertStatus 200 res
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assertBody (L8.pack $ show [1, 1, 2, 2 :: Int]) res
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it "cachedBy" $ runner $ do
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res <- request defaultRequest { pathInfo = ["key"] }
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assertStatus 200 res
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assertBody (L8.pack $ show [1, 1, 2, 2, 3, 3 :: Int]) res
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runner :: Session () -> IO ()
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runner f = toWaiApp C >>= runSession f
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