Fix duplicate messages

[opengl.git] / src / Language / Haskell / LSP / Test / Parsing.hs

diff --git a/src/Language/Haskell/LSP/Test/Parsing.hs b/src/Language/Haskell/LSP/Test/Parsing.hs
index 693c62e9aab0670e83001003803d72798cb2ec1f..b28047ce0f93ac75fee9f54fad0581ab39d9ebf7 100644 (file)
--- a/src/Language/Haskell/LSP/Test/Parsing.hs
+++ b/src/Language/Haskell/LSP/Test/Parsing.hs
@@ -1,77 +1,94 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
-{-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE RankNTypes #-}
+{-# LANGUAGE OverloadedStrings #-}
 module Language.Haskell.LSP.Test.Parsing where
 
 import Control.Applicative
+import Control.Concurrent
+import Control.Monad.IO.Class
+import Control.Monad.Trans.Class
 import Data.Aeson
 import qualified Data.ByteString.Lazy.Char8 as B
 import Data.Conduit.Parser
 import Data.Maybe
 import Language.Haskell.LSP.Messages
 import Language.Haskell.LSP.Types hiding (error)
+import Language.Haskell.LSP.Test.Exceptions
 import Language.Haskell.LSP.Test.Messages
+import Language.Haskell.LSP.Test.Session
+import System.Console.ANSI
+
+satisfy :: (MonadIO m, MonadSessionConfig m) => (FromServerMessage -> Bool) -> ConduitParser FromServerMessage m FromServerMessage
+satisfy pred = do
+  timeout <- timeout <$> lift sessionConfig
+  tId <- liftIO myThreadId
+  timeoutThread <- liftIO $ forkIO $ do
+    threadDelay (timeout * 1000000)
+    throwTo tId TimeoutException
+  x <- await
+  liftIO $ killThread timeoutThread
+
+  if pred x
+    then do
+      liftIO $ do
+        setSGR [SetColor Foreground Vivid Magenta]
+        putStrLn $ "<-- " ++ B.unpack (encodeMsg x)
+        setSGR [Reset]
+      return x
+    else empty
 
 -- | Matches if the message is a notification.
-anyNotification :: Monad m => ConduitParser FromServerMessage m FromServerMessage
-anyNotification = satisfy isServerNotification
+anyNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyNotification = named "Any notification" $ satisfy isServerNotification
 
-notification :: forall m a. (Monad m, FromJSON a) => ConduitParser FromServerMessage m (NotificationMessage ServerMethod a)
-notification = do
+notification :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => ConduitParser FromServerMessage m (NotificationMessage ServerMethod a)
+notification = named "Notification" $ do
   let parser = decode . encodeMsg :: FromServerMessage -> Maybe (NotificationMessage ServerMethod a)
   x <- satisfy (isJust . parser)
-  return $ decodeMsg $ encodeMsg x
+  return $ castMsg x
 
 -- | Matches if the message is a request.
-anyRequest :: Monad m => ConduitParser FromServerMessage m FromServerMessage
-anyRequest = satisfy isServerRequest
+anyRequest :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyRequest = named "Any request" $ satisfy isServerRequest
 
-request :: forall m a b. (Monad m, FromJSON a, FromJSON b) => ConduitParser FromServerMessage m (RequestMessage ServerMethod a b)
-request = do
+request :: forall m a b. (MonadIO m, MonadSessionConfig m, FromJSON a, FromJSON b) => ConduitParser FromServerMessage m (RequestMessage ServerMethod a b)
+request = named "Request" $ do
   let parser = decode . encodeMsg :: FromServerMessage -> Maybe (RequestMessage ServerMethod a b)
   x <- satisfy (isJust . parser)
-  return $ decodeMsg $ encodeMsg x
+  return $ castMsg x
 
 -- | Matches if the message is a response.
-anyResponse :: Monad m => ConduitParser FromServerMessage m FromServerMessage
-anyResponse = satisfy isServerResponse
+anyResponse :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyResponse = named "Any response" $ satisfy isServerResponse
 
-response :: forall m a. (Monad m, FromJSON a) => ConduitParser FromServerMessage m (ResponseMessage a)
-response = do
+response :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => ConduitParser FromServerMessage m (ResponseMessage a)
+response = named "Response" $ do
   let parser = decode . encodeMsg :: FromServerMessage -> Maybe (ResponseMessage a)
   x <- satisfy (isJust . parser)
-  return $ decodeMsg $ encodeMsg x
+  return $ castMsg x
+
+-- | A stupid method for getting out the inner message.
+castMsg :: FromJSON a => FromServerMessage -> a
+castMsg = fromMaybe (error "Failed casting a message") . decode . encodeMsg
 
 -- | A version of encode that encodes FromServerMessages as if they
 -- weren't wrapped.
 encodeMsg :: FromServerMessage -> B.ByteString
 encodeMsg = encode . genericToJSON (defaultOptions { sumEncoding = UntaggedValue })
 
-decodeMsg :: FromJSON a => B.ByteString -> a
-decodeMsg x = fromMaybe (error $ "Unexpected message type\nGot:\n " ++ show x)
-                  (decode x)
-
 -- | Matches if the message is a log message notification or a show message notification/request.
-loggingNotification :: Monad m => ConduitParser FromServerMessage m FromServerMessage
-loggingNotification = satisfy shouldSkip
+loggingNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+loggingNotification = named "Logging notification" $ satisfy shouldSkip
   where
     shouldSkip (NotLogMessage _) = True
     shouldSkip (NotShowMessage _) = True
     shouldSkip (ReqShowMessage _) = True
     shouldSkip _ = False
 
-publishDiagnosticsNotification :: Monad m => ConduitParser FromServerMessage m PublishDiagnosticsNotification
-publishDiagnosticsNotification = do
+publishDiagnosticsNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m PublishDiagnosticsNotification
+publishDiagnosticsNotification = named "Publish diagnostics notification" $ do
   NotPublishDiagnostics diags <- satisfy test
   return diags
   where test (NotPublishDiagnostics _) = True
         test _ = False
\ No newline at end of file
-
-satisfy :: Monad m => (a -> Bool) -> ConduitParser a m a
-satisfy pred = do
-  x <- await
-  if pred x
-    then return x
-    else empty
-