X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest%2FParsing.hs;h=3ecc53888b31f5090b64344a866d512b5dd1460b;hb=f8ee63f1c1d245c16f7a928c14c0e8908e6240c8;hp=c29e0f3a2a44b69d875b823cea21d42a183c9fd5;hpb=93bbb70d531238c46a28eb356a68c3648b88082f;p=lsp-test.git

diff --git a/src/Language/Haskell/LSP/Test/Parsing.hs b/src/Language/Haskell/LSP/Test/Parsing.hs
index c29e0f3..3ecc538 100644
--- a/src/Language/Haskell/LSP/Test/Parsing.hs
+++ b/src/Language/Haskell/LSP/Test/Parsing.hs
@@ -1,39 +1,104 @@
+{-# LANGUAGE MultiParamTypeClasses #-}
+{-# 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
+import Data.Aeson
 import qualified Data.ByteString.Lazy.Char8 as B
-import System.IO
-
-getAllMessages :: Handle -> IO [B.ByteString]
-getAllMessages h = do
-  done <- hIsEOF h
-  if done
-    then return []
-    else do
-      msg <- getNextMessage h
-
-      (msg :) <$> getAllMessages h
-
--- | Fetches the next message bytes based on
--- the Content-Length header
-getNextMessage :: Handle -> IO B.ByteString
-getNextMessage h = do
-  headers <- getHeaders h
-  case read . init <$> lookup "Content-Length" headers of
-    Nothing   -> error "Couldn't read Content-Length header"
-    Just size -> B.hGet h size
-    
-addHeader :: B.ByteString -> B.ByteString
-addHeader content = B.concat
-  [ "Content-Length: "
-  , B.pack $ show $ B.length content
-  , "\r\n"
-  , "\r\n"
-  , content
-  ]
-
-getHeaders :: Handle -> IO [(String, String)]
-getHeaders h = do
-  l <- hGetLine h
-  let (name, val) = span (/= ':') l
-  if null val then return [] else ((name, drop 2 val) :) <$> getHeaders h
+import Data.Conduit.Parser
+import Data.Maybe
+import qualified Data.Text as T
+import Data.Typeable
+import Language.Haskell.LSP.Messages
+import Language.Haskell.LSP.Types as LSP hiding (error)
+import Language.Haskell.LSP.Test.Messages
+import Language.Haskell.LSP.Test.Session
+import System.Console.ANSI
+
+satisfy :: (FromServerMessage -> Bool) -> Session FromServerMessage
+satisfy pred = do
+  
+  skipTimeout <- overridingTimeout <$> get
+  timeoutId <- curTimeoutId <$> get
+  unless skipTimeout $ do
+    chan <- asks messageChan
+    timeout <- asks (messageTimeout . config)
+    void $ liftIO $ forkIO $ do
+      threadDelay (timeout * 1000000)
+      writeChan chan (TimeoutMessage timeoutId)
+
+  x <- await
+
+  unless skipTimeout $
+    modify $ \s -> s { curTimeoutId = timeoutId + 1 }
+
+  modify $ \s -> s { lastReceivedMessage = Just x }
+
+  if pred x
+    then do
+      liftIO $ do
+        setSGR [SetColor Foreground Vivid Magenta]
+        putStrLn $ "<-- " ++ B.unpack (encodeMsg x)
+        setSGR [Reset]
+      return x
+    else empty
+
+-- | Matches a message of type 'a'.
+message :: forall a. (Typeable a, FromJSON a) => Session a
+message =
+  let parser = decode . encodeMsg :: FromServerMessage -> Maybe a
+  in named (T.pack $ show $ head $ snd $ splitTyConApp $ last $ typeRepArgs $ typeOf parser) $ do
+    x <- satisfy (isJust . parser)
+    return $ castMsg x
+
+-- | Matches if the message is a notification.
+anyNotification :: Session FromServerMessage
+anyNotification = named "Any notification" $ satisfy isServerNotification
+
+-- | Matches if the message is a request.
+anyRequest :: Session FromServerMessage
+anyRequest = named "Any request" $ satisfy isServerRequest
+
+-- | Matches if the message is a response.
+anyResponse :: Session FromServerMessage
+anyResponse = named "Any response" $ satisfy isServerResponse
+
+responseForId :: forall a. FromJSON a => LspId -> Session (ResponseMessage a)
+responseForId lid = named (T.pack $ "Response for id: " ++ show lid) $ do
+  let parser = decode . encodeMsg :: FromServerMessage -> Maybe (ResponseMessage a)
+  x <- satisfy (maybe False (\z -> z ^. LSP.id == responseId lid) . parser)
+  return $ castMsg x
+
+anyMessage :: Session 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 })
+
+-- | Matches if the message is a log message notification or a show message notification/request.
+loggingNotification :: Session FromServerMessage
+loggingNotification = named "Logging notification" $ satisfy shouldSkip
+  where
+    shouldSkip (NotLogMessage _) = True
+    shouldSkip (NotShowMessage _) = True
+    shouldSkip (ReqShowMessage _) = True
+    shouldSkip _ = False
+
+publishDiagnosticsNotification :: Session PublishDiagnosticsNotification
+publishDiagnosticsNotification = named "Publish diagnostics notification" $ do
+  NotPublishDiagnostics diags <- satisfy test
+  return diags
+  where test (NotPublishDiagnostics _) = True
+        test _ = False