{-# 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.Lens
import Control.Monad.IO.Class
import Control.Monad.Trans.Class
import Data.Aeson
import Data.Conduit.Parser
import Data.Maybe
import Language.Haskell.LSP.Messages
-import Language.Haskell.LSP.Types hiding (error)
+import Language.Haskell.LSP.Types as LSP 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) => (a -> Bool) -> ConduitParser a m a
+satisfy :: (MonadIO m, MonadSessionConfig m) => (FromServerMessage -> Bool) -> ConduitParser FromServerMessage m FromServerMessage
satisfy pred = do
timeout <- timeout <$> lift sessionConfig
tId <- liftIO myThreadId
- liftIO $ forkIO $ do
+ timeoutThread <- liftIO $ forkIO $ do
threadDelay (timeout * 1000000)
throwTo tId TimeoutException
x <- await
+ liftIO $ killThread timeoutThread
+
if pred x
- then return 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 :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
-anyNotification = satisfy isServerNotification
+anyNotification = named "Any notification" $ satisfy isServerNotification
notification :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => ConduitParser FromServerMessage m (NotificationMessage ServerMethod a)
-notification = do
+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 :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
-anyRequest = satisfy isServerRequest
+anyRequest = named "Any request" $ satisfy isServerRequest
request :: forall m a b. (MonadIO m, MonadSessionConfig m, FromJSON a, FromJSON b) => ConduitParser FromServerMessage m (RequestMessage ServerMethod a b)
-request = do
+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 :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
-anyResponse = satisfy isServerResponse
+anyResponse = named "Any response" $ satisfy isServerResponse
response :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => ConduitParser FromServerMessage m (ResponseMessage a)
-response = do
+response = named "Response" $ do
let parser = decode . encodeMsg :: FromServerMessage -> Maybe (ResponseMessage a)
x <- satisfy (isJust . parser)
- return $ decodeMsg $ encodeMsg x
+ return $ castMsg x
+
+responseForId :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => LspId -> ConduitParser FromServerMessage m (ResponseMessage a)
+responseForId lid = named "Response for id" $ do
+ let parser = decode . encodeMsg :: FromServerMessage -> Maybe (ResponseMessage a)
+ x <- satisfy (maybe False (\z -> z ^. LSP.id == responseId lid) . parser)
+ return $ castMsg x
+
+anyMessage :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyMessage = satisfy (const True)
+
+-- | 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 :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
-loggingNotification = satisfy shouldSkip
+loggingNotification = named "Logging notification" $ satisfy shouldSkip
where
shouldSkip (NotLogMessage _) = True
shouldSkip (NotShowMessage _) = True
shouldSkip _ = False
publishDiagnosticsNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m PublishDiagnosticsNotification
-publishDiagnosticsNotification = do
+publishDiagnosticsNotification = named "Publish diagnostics notification" $ do
NotPublishDiagnostics diags <- satisfy test
return diags
where test (NotPublishDiagnostics _) = True