X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest.hs;h=0e8f5bfcaa92259f253defa2d89bbb40610c1e66;hb=563d0885c5cf4456ea04c041771d68dca5c274d4;hp=8da0cbbee8ba065533e8e0d06ac79e3f35ee4612;hpb=a4180c432755f683d07605f4413135d6cfadc065;p=opengl.git diff --git a/src/Language/Haskell/LSP/Test.hs b/src/Language/Haskell/LSP/Test.hs index 8da0cbb..0e8f5bf 100644 --- a/src/Language/Haskell/LSP/Test.hs +++ b/src/Language/Haskell/LSP/Test.hs @@ -15,8 +15,13 @@ module Language.Haskell.LSP.Test ( -- * Sessions runSession - , runSessionWithHandler + , runSessionWithHandles + , runSessionWithConfig , Session + , SessionConfig(..) + , MonadSessionConfig(..) + , SessionException(..) + , anySessionException -- * Sending , sendRequest , sendNotification @@ -54,50 +59,71 @@ module Language.Haskell.LSP.Test , (<|>) , satisfy -- * Utilities - , getInitializeResponse + , initializeResponse , openDoc - , getDocItem + , documentContents + , getDocumentEdit , getDocUri + , noDiagnostics + , getDocumentSymbols + , getDiagnostics ) where import Control.Applicative import Control.Applicative.Combinators +import Control.Concurrent import Control.Monad import Control.Monad.IO.Class -import Control.Concurrent -import Control.Lens hiding ((.=)) +import Control.Exception +import Control.Lens hiding ((.=), List) import qualified Data.Text as T import qualified Data.Text.IO as T import Data.Aeson import qualified Data.ByteString.Lazy.Char8 as B import Data.Default -import System.Process -import Language.Haskell.LSP.Types -import qualified Language.Haskell.LSP.Types as LSP (error, id) +import qualified Data.HashMap.Strict as HashMap +import qualified Data.Map as Map +import Data.Maybe +import Language.Haskell.LSP.Types hiding (id, capabilities) +import qualified Language.Haskell.LSP.Types as LSP +import Language.Haskell.LSP.VFS import Language.Haskell.LSP.Test.Compat +import Language.Haskell.LSP.Test.Decoding +import Language.Haskell.LSP.Test.Exceptions +import Language.Haskell.LSP.Test.Parsing +import Language.Haskell.LSP.Test.Session +import Language.Haskell.LSP.Test.Server +import System.Console.ANSI import System.IO import System.Directory import System.FilePath -import Language.Haskell.LSP.Test.Decoding -import Language.Haskell.LSP.Test.Parsing +import qualified Yi.Rope as Rope -- | Starts a new session. runSession :: String -- ^ The command to run the server. -> FilePath -- ^ The filepath to the root directory for the session. -> Session a -- ^ The session to run. - -> IO () -runSession serverExe rootDir session = do - pid <- getProcessID + -> IO a +runSession = runSessionWithConfig def + +-- | Starts a new sesion with a client with the specified capabilities. +runSessionWithConfig :: SessionConfig -- ^ The capabilities the client should have. + -> String -- ^ The command to run the server. + -> FilePath -- ^ The filepath to the root directory for the session. + -> Session a -- ^ The session to run. + -> IO a +runSessionWithConfig config serverExe rootDir session = do + pid <- getCurrentProcessID absRootDir <- canonicalizePath rootDir let initializeParams = InitializeParams (Just pid) (Just $ T.pack absRootDir) (Just $ filePathToUri absRootDir) Nothing - def + (capabilities config) (Just TraceOff) - - runSessionWithHandler listenServer serverExe rootDir $ do + withServer serverExe (logStdErr config) $ \serverIn serverOut _ -> + runSessionWithHandles serverIn serverOut listenServer config rootDir $ do -- Wrap the session around initialize and shutdown calls sendRequest Initialize initializeParams @@ -108,44 +134,13 @@ runSession serverExe rootDir session = do initRspVar <- initRsp <$> ask liftIO $ putMVar initRspVar initRspMsg - sendNotification Initialized InitializedParams -- Run the actual test - session + result <- session sendNotification Exit ExitParams --- | An internal version of 'runSession' that allows for a custom handler to listen to the server. --- It also does not automatically send initialize and exit messages. -runSessionWithHandler :: (Handle -> Session ()) - -> String - -> FilePath - -> Session a - -> IO a -runSessionWithHandler serverHandler serverExe rootDir session = do - absRootDir <- canonicalizePath rootDir - - let createProc = (shell serverExe) { std_in = CreatePipe, std_out = CreatePipe, std_err = CreatePipe } - (Just serverIn, Just serverOut, _, serverProc) <- createProcess createProc - - hSetBuffering serverIn NoBuffering - hSetBuffering serverOut NoBuffering - - reqMap <- newMVar newRequestMap - messageChan <- newChan - meaninglessChan <- newChan - initRsp <- newEmptyMVar - - let context = SessionContext serverIn absRootDir messageChan reqMap initRsp - initState = SessionState (IdInt 9) - - threadId <- forkIO $ void $ runSession' meaninglessChan context initState (serverHandler serverOut) - (result, _) <- runSession' messageChan context initState session - - terminateProcess serverProc - killThread threadId - return result -- | Listens to the server output, makes sure it matches the record and @@ -157,10 +152,41 @@ listenServer serverOut = do context <- ask reqMap <- liftIO $ readMVar $ requestMap context - liftIO $ writeChan (messageChan context) $ decodeFromServerMsg reqMap msgBytes + let msg = decodeFromServerMsg reqMap msgBytes + liftIO $ writeChan (messageChan context) msg listenServer serverOut +-- | The current text contents of a document. +documentContents :: TextDocumentIdentifier -> Session T.Text +documentContents doc = do + vfs <- vfs <$> get + let file = vfs Map.! (doc ^. uri) + return $ Rope.toText $ Language.Haskell.LSP.VFS._text file + +-- | Parses an ApplyEditRequest, checks that it is for the passed document +-- and returns the new content +getDocumentEdit :: TextDocumentIdentifier -> Session T.Text +getDocumentEdit doc = do + req <- request :: Session ApplyWorkspaceEditRequest + + unless (checkDocumentChanges req || checkChanges req) $ + liftIO $ throw (IncorrectApplyEditRequestException (show req)) + + documentContents doc + where + checkDocumentChanges :: ApplyWorkspaceEditRequest -> Bool + checkDocumentChanges req = + let changes = req ^. params . edit . documentChanges + maybeDocs = fmap (fmap (^. textDocument . uri)) changes + in case maybeDocs of + Just docs -> (doc ^. uri) `elem` docs + Nothing -> False + checkChanges :: ApplyWorkspaceEditRequest -> Bool + checkChanges req = + let mMap = req ^. params . edit . changes + in maybe False (HashMap.member (doc ^. uri)) mMap + -- | Sends a request to the server. -- -- @ @@ -216,9 +242,28 @@ sendNotification :: ToJSON a => ClientMethod -- ^ The notification method. -> a -- ^ The notification parameters. -> Session () -sendNotification method params = - let notif = NotificationMessage "2.0" method params - in sendNotification' notif + +-- | Open a virtual file if we send a did open text document notification +sendNotification TextDocumentDidOpen params = do + let params' = fromJust $ decode $ encode params + n :: DidOpenTextDocumentNotification + n = NotificationMessage "2.0" TextDocumentDidOpen params' + oldVFS <- vfs <$> get + newVFS <- liftIO $ openVFS oldVFS n + modify (\s -> s { vfs = newVFS }) + sendNotification' n + +-- | Close a virtual file if we send a close text document notification +sendNotification TextDocumentDidClose params = do + let params' = fromJust $ decode $ encode params + n :: DidCloseTextDocumentNotification + n = NotificationMessage "2.0" TextDocumentDidClose params' + oldVFS <- vfs <$> get + newVFS <- liftIO $ closeVFS oldVFS n + modify (\s -> s { vfs = newVFS }) + sendNotification' n + +sendNotification method params = sendNotification' (NotificationMessage "2.0" method params) sendNotification' :: (ToJSON a, ToJSON b) => NotificationMessage a b -> Session () sendNotification' = sendMessage @@ -229,13 +274,22 @@ sendResponse = sendMessage sendMessage :: ToJSON a => a -> Session () sendMessage msg = do h <- serverIn <$> ask - liftIO $ B.hPut h $ addHeader (encode msg) + let encoded = encode msg + liftIO $ do + + setSGR [SetColor Foreground Vivid Cyan] + putStrLn $ "--> " ++ B.unpack encoded + setSGR [Reset] + + B.hPut h (addHeader encoded) + + -- | Returns the initialize response that was received from the server. -- The initialize requests and responses are not included the session, -- so if you need to test it use this. -getInitializeResponse :: Session InitializeResponse -getInitializeResponse = initRsp <$> ask >>= (liftIO . readMVar) +initializeResponse :: Session InitializeResponse +initializeResponse = initRsp <$> ask >>= (liftIO . readMVar) -- | Opens a text document and sends a notification to the client. openDoc :: FilePath -> String -> Session TextDocumentIdentifier @@ -243,7 +297,7 @@ openDoc file languageId = do item <- getDocItem file languageId sendNotification TextDocumentDidOpen (DidOpenTextDocumentParams item) TextDocumentIdentifier <$> getDocUri file - + where -- | Reads in a text document as the first version. getDocItem :: FilePath -- ^ The path to the text document to read in. -> String -- ^ The language ID, e.g "haskell" for .hs files. @@ -260,3 +314,23 @@ getDocUri file = do context <- ask let fp = rootDir context file return $ filePathToUri fp + +getDiagnostics :: Session [Diagnostic] +getDiagnostics = do + diagsNot <- notification :: Session PublishDiagnosticsNotification + let (List diags) = diagsNot ^. params . LSP.diagnostics + return diags + +-- | Expects a 'PublishDiagnosticsNotification' and throws an +-- 'UnexpectedDiagnosticsException' if there are any diagnostics +-- returned. +noDiagnostics :: Session () +noDiagnostics = do + diagsNot <- notification :: Session PublishDiagnosticsNotification + when (diagsNot ^. params . LSP.diagnostics /= List []) $ liftIO $ throw UnexpectedDiagnosticsException + +-- | Returns the symbols in a document. +getDocumentSymbols :: TextDocumentIdentifier -> Session DocumentSymbolsResponse +getDocumentSymbols doc = do + sendRequest TextDocumentDocumentSymbol (DocumentSymbolParams doc) + response \ No newline at end of file