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http-media-0.8 changed mapAcceptMedia

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This commit is contained in:
Oleg Grenrus 2019-04-16 13:58:04 +03:00
parent 8907d44c34
commit 05d975c20e
2 changed files with 19 additions and 5 deletions
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1
servant/servant.cabal
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@ -162,6 +162,7 @@ test-suite spec
, base-compat
, aeson
, bytestring
, http-media
, mtl
, servant
, string-conversions

23
servant/test/Servant/API/ContentTypesSpec.hs
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@ -1,3 +1,4 @@
{-# LANGUAGE CPP #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE MultiParamTypeClasses #-}
@ -20,7 +21,7 @@ import Data.Either
import Data.Function
(on)
import Data.List
(maximumBy)
(sortBy)
import qualified Data.List.NonEmpty as NE
import Data.Maybe
(fromJust, isJust, isNothing)
@ -134,17 +135,29 @@ spec = describe "Servant.API.ContentTypes" $ do
== Just ("application/json;charset=utf-8", encode x)
it "respects the Accept spec ordering" $ do
let highest a b c = maximumBy (compare `on` snd)
let highest a b c = last $ sortBy (compare `on` snd)
-- when qualities are same, http-media-0.8 picks first; 0.7 last.
#if MIN_VERSION_http_media(0,8,0)
[ ("text/plain;charset=utf-8", c)
, ("application/json;charset=utf-8", b)
, ("application/octet-stream", a)
]
#else
[ ("application/octet-stream", a)
, ("application/json;charset=utf-8", b)
, ("text/plain;charset=utf-8", c)
]
#endif
let acceptH a b c = addToAccept (Proxy :: Proxy OctetStream) a $
addToAccept (Proxy :: Proxy JSON) b $
addToAccept (Proxy :: Proxy PlainText ) c ""
addToAccept (Proxy :: Proxy JSON) b $
addToAccept (Proxy :: Proxy PlainText ) c $
""
let val a b c i = handleAcceptH (Proxy :: Proxy '[OctetStream, JSON, PlainText])
(acceptH a b c) (i :: Int)
property $ \a b c i -> fst (fromJust $ val a b c i) == fst (highest a b c)
property $ \a b c i ->
let acc = acceptH a b c
in counterexample (show acc) $
fst (fromJust $ val a b c i) === fst (highest a b c)
describe "handleCTypeH" $ do