138 lines
4.6 KiB
Haskell
138 lines
4.6 KiB
Haskell
{-# LANGUAGE CPP #-}
|
|
module Servant.QuickCheck.InternalSpec (spec) where
|
|
|
|
import Control.Concurrent.MVar (newMVar, readMVar, swapMVar)
|
|
import Control.Monad.IO.Class (liftIO)
|
|
import Prelude.Compat
|
|
import Servant
|
|
import Servant.API.Internal.Test.ComprehensiveAPI (comprehensiveAPIWithoutRaw)
|
|
import Test.Hspec (Spec, context, describe, it,
|
|
shouldBe, shouldContain)
|
|
import Test.Hspec.Core.Spec (Arg, Example, Result (..),
|
|
defaultParams,
|
|
evaluateExample)
|
|
|
|
import Servant.QuickCheck
|
|
import Servant.QuickCheck.Internal (genRequest, serverDoesntSatisfy)
|
|
|
|
spec :: Spec
|
|
spec = do
|
|
serversEqualSpec
|
|
serverSatisfiesSpec
|
|
isComprehensiveSpec
|
|
onlyJsonObjectSpec
|
|
|
|
serversEqualSpec :: Spec
|
|
serversEqualSpec = describe "serversEqual" $ do
|
|
|
|
it "considers equal servers equal" $ do
|
|
withServantServerAndContext api ctx server $ \burl1 ->
|
|
withServantServerAndContext api ctx server $ \burl2 -> do
|
|
serversEqual api burl1 burl2 args bodyEquality
|
|
|
|
context "when servers are not equal" $ do
|
|
|
|
|
|
it "provides the failing responses in the error message" $ do
|
|
Fail _ err <- withServantServer api2 server2 $ \burl1 ->
|
|
withServantServer api2 server3 $ \burl2 -> do
|
|
evalExample $ serversEqual api2 burl1 burl2 args bodyEquality
|
|
show err `shouldContain` "Body: 1"
|
|
show err `shouldContain` "Body: 2"
|
|
show err `shouldContain` "Path: failplz/"
|
|
|
|
serverSatisfiesSpec :: Spec
|
|
serverSatisfiesSpec = describe "serverSatisfies" $ do
|
|
|
|
it "succeeds for true predicates" $ do
|
|
withServantServerAndContext api ctx server $ \burl ->
|
|
serverSatisfies api burl args (unauthorizedContainsWWWAuthenticate
|
|
<%> not500
|
|
<%> mempty)
|
|
|
|
it "fails for false predicates" $ do
|
|
withServantServerAndContext api ctx server $ \burl -> do
|
|
serverDoesntSatisfy api burl args (onlyJsonObjects
|
|
<%> getsHaveCacheControlHeader
|
|
<%> headsHaveCacheControlHeader
|
|
<%> notAllowedContainsAllowHeader
|
|
<%> mempty)
|
|
|
|
context "when predicates are false" $ do
|
|
|
|
it "fails with informative error messages" $ do
|
|
Fail _ err <- withServantServerAndContext api ctx server $ \burl -> do
|
|
evalExample $ serverSatisfies api burl args (getsHaveCacheControlHeader <%> mempty)
|
|
err `shouldContain` "getsHaveCacheControlHeader"
|
|
err `shouldContain` "Headers"
|
|
err `shouldContain` "Body"
|
|
|
|
onlyJsonObjectSpec :: Spec
|
|
onlyJsonObjectSpec = describe "onlyJsonObjects" $ do
|
|
|
|
it "fails correctly" $ do
|
|
Fail _ err <- withServantServerAndContext api ctx server $ \burl -> do
|
|
evalExample $ serverSatisfies (Proxy :: Proxy (Get '[JSON] Int)) burl args
|
|
(onlyJsonObjects <%> mempty)
|
|
err `shouldContain` "onlyJsonObjects"
|
|
|
|
|
|
isComprehensiveSpec :: Spec
|
|
isComprehensiveSpec = describe "HasGenRequest" $ do
|
|
|
|
it "has instances for all 'servant' combinators" $ do
|
|
let _g = genRequest comprehensiveAPIWithoutRaw
|
|
True `shouldBe` True -- This is a type-level check
|
|
|
|
|
|
------------------------------------------------------------------------------
|
|
-- APIs
|
|
------------------------------------------------------------------------------
|
|
|
|
type API = ReqBody '[JSON] String :> Post '[JSON] String
|
|
:<|> Get '[JSON] Int
|
|
:<|> BasicAuth "some-realm" () :> Get '[JSON] ()
|
|
|
|
api :: Proxy API
|
|
api = Proxy
|
|
|
|
server :: IO (Server API)
|
|
server = do
|
|
mvar <- newMVar ""
|
|
return $ (\x -> liftIO $ swapMVar mvar x)
|
|
:<|> (liftIO $ readMVar mvar >>= return . length)
|
|
:<|> (const $ return ())
|
|
|
|
|
|
type API2 = "failplz" :> Get '[JSON] Int
|
|
|
|
api2 :: Proxy API2
|
|
api2 = Proxy
|
|
|
|
server2 :: IO (Server API2)
|
|
server2 = return $ return 1
|
|
|
|
server3 :: IO (Server API2)
|
|
server3 = return $ return 2
|
|
|
|
ctx :: Context '[BasicAuthCheck ()]
|
|
ctx = BasicAuthCheck (const . return $ NoSuchUser) :. EmptyContext
|
|
------------------------------------------------------------------------------
|
|
-- Utils
|
|
------------------------------------------------------------------------------
|
|
|
|
evalExample :: (Example e, Arg e ~ ()) => e -> IO Result
|
|
evalExample e = evaluateExample e defaultParams ($ ()) progCallback
|
|
where
|
|
progCallback _ = return ()
|
|
|
|
args :: Args
|
|
args = defaultArgs { maxSuccess = noOfTestCases }
|
|
|
|
noOfTestCases :: Int
|
|
#if LONG_TESTS
|
|
noOfTestCases = 20000
|
|
#else
|
|
noOfTestCases = 1000
|
|
#endif
|