X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest.hs;h=36841e8be6173406c4347a434d4bf7560e799c8c;hb=ddf9bc17ce8a548a927c201c6b0edb8cf1c9fcad;hp=6156b003dd53876406a592e4278dbe88cfcd98f8;hpb=d54524be6dd2b0b2d20530afd7049f22b33129d5;p=lsp-test.git diff --git a/src/Language/Haskell/LSP/Test.hs b/src/Language/Haskell/LSP/Test.hs index 6156b00..36841e8 100644 --- a/src/Language/Haskell/LSP/Test.hs +++ b/src/Language/Haskell/LSP/Test.hs @@ -8,7 +8,7 @@ Module : Language.Haskell.LSP.Test Description : A functional testing framework for LSP servers. Maintainer : luke_lau@icloud.com Stability : experimental -Portability : POSIX +Portability : non-portable Provides the framework to start functionally testing . @@ -37,11 +37,14 @@ module Language.Haskell.LSP.Test , module Language.Haskell.LSP.Test.Parsing -- * Utilities -- | Quick helper functions for common tasks. + -- ** Initialization , initializeResponse -- ** Documents , openDoc + , openDoc' , closeDoc + , changeDoc , documentContents , getDocumentEdit , getDocUri @@ -77,6 +80,8 @@ module Language.Haskell.LSP.Test , formatRange -- ** Edits , applyEdit + -- ** Code lenses + , getCodeLenses ) where import Control.Applicative.Combinators @@ -105,10 +110,10 @@ 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.Environment import System.IO import System.Directory import System.FilePath -import qualified Data.Rope.UTF16 as Rope -- | Starts a new session. -- @@ -132,10 +137,12 @@ runSessionWithConfig :: SessionConfig -- ^ Configuration options for the session -> FilePath -- ^ The filepath to the root directory for the session. -> Session a -- ^ The session to run. -> IO a -runSessionWithConfig config serverExe caps rootDir session = do +runSessionWithConfig config' serverExe caps rootDir session = do pid <- getCurrentProcessID absRootDir <- canonicalizePath rootDir + config <- envOverrideConfig config' + let initializeParams = InitializeParams (Just pid) (Just $ T.pack absRootDir) (Just $ filePathToUri absRootDir) @@ -143,32 +150,43 @@ runSessionWithConfig config serverExe caps rootDir session = do caps (Just TraceOff) Nothing - withServer serverExe (logStdErr config) $ \serverIn serverOut _ -> - runSessionWithHandles serverIn serverOut listenServer config caps rootDir $ do - + withServer serverExe (logStdErr config) $ \serverIn serverOut serverProc -> + runSessionWithHandles serverIn serverOut serverProc listenServer config caps rootDir exitServer $ do -- Wrap the session around initialize and shutdown calls - initRspMsg <- request Initialize initializeParams :: Session InitializeResponse + -- initRspMsg <- sendRequest Initialize initializeParams :: Session InitializeResponse + initReqId <- sendRequest Initialize initializeParams - liftIO $ maybe (return ()) (putStrLn . ("Error while initializing: " ++) . show ) (initRspMsg ^. LSP.error) + -- Because messages can be sent in between the request and response, + -- collect them and then... + (inBetween, initRspMsg) <- manyTill_ anyMessage (responseForId initReqId) + + case initRspMsg ^. LSP.result of + Left error -> liftIO $ putStrLn ("Error while initializing: " ++ show error) + Right _ -> pure () initRspVar <- initRsp <$> ask liftIO $ putMVar initRspVar initRspMsg - sendNotification Initialized InitializedParams case lspConfig config of Just cfg -> sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams cfg) Nothing -> return () - -- Run the actual test - result <- session - - sendNotification Exit ExitParams + -- ... relay them back to the user Session so they can match on them! + -- As long as they are allowed. + forM_ inBetween checkLegalBetweenMessage + msgChan <- asks messageChan + liftIO $ writeList2Chan msgChan (ServerMessage <$> inBetween) - return result + -- Run the actual test + session where - -- | Listens to the server output, makes sure it matches the record and - -- signals any semaphores + -- | Asks the server to shutdown and exit politely + exitServer :: Session () + exitServer = request_ Shutdown (Nothing :: Maybe Value) >> sendNotification Exit ExitParams + + -- | Listens to the server output until the shutdown ack, + -- makes sure it matches the record and signals any semaphores listenServer :: Handle -> SessionContext -> IO () listenServer serverOut context = do msgBytes <- getNextMessage serverOut @@ -178,14 +196,37 @@ runSessionWithConfig config serverExe caps rootDir session = do let msg = decodeFromServerMsg reqMap msgBytes writeChan (messageChan context) (ServerMessage msg) - listenServer serverOut context + case msg of + (RspShutdown _) -> return () + _ -> listenServer serverOut context + + -- | Is this message allowed to be sent by the server between the intialize + -- request and response? + -- https://microsoft.github.io/language-server-protocol/specifications/specification-3-15/#initialize + checkLegalBetweenMessage :: FromServerMessage -> Session () + checkLegalBetweenMessage (NotShowMessage _) = pure () + checkLegalBetweenMessage (NotLogMessage _) = pure () + checkLegalBetweenMessage (NotTelemetry _) = pure () + checkLegalBetweenMessage (ReqShowMessage _) = pure () + checkLegalBetweenMessage msg = throw (IllegalInitSequenceMessage msg) + + -- | Check environment variables to override the config + envOverrideConfig :: SessionConfig -> IO SessionConfig + envOverrideConfig cfg = do + logMessages' <- fromMaybe (logMessages cfg) <$> checkEnv "LSP_TEST_LOG_MESSAGES" + logStdErr' <- fromMaybe (logStdErr cfg) <$> checkEnv "LSP_TEST_LOG_STDERR" + return $ cfg { logMessages = logMessages', logStdErr = logStdErr' } + where checkEnv :: String -> IO (Maybe Bool) + checkEnv s = fmap convertVal <$> lookupEnv s + convertVal "0" = False + convertVal _ = True -- | The current text contents of a document. documentContents :: TextDocumentIdentifier -> Session T.Text documentContents doc = do vfs <- vfs <$> get - let file = vfs Map.! (doc ^. uri) - return $ Rope.toText $ Language.Haskell.LSP.VFS._text file + let file = vfsMap vfs Map.! toNormalizedUri (doc ^. uri) + return (virtualFileText file) -- | Parses an ApplyEditRequest, checks that it is for the passed document -- and returns the new content @@ -269,7 +310,7 @@ sendNotification TextDocumentDidOpen params = do n :: DidOpenTextDocumentNotification n = NotificationMessage "2.0" TextDocumentDidOpen params' oldVFS <- vfs <$> get - newVFS <- liftIO $ openVFS oldVFS n + let (newVFS,_) = openVFS oldVFS n modify (\s -> s { vfs = newVFS }) sendMessage n @@ -279,7 +320,16 @@ sendNotification TextDocumentDidClose params = do n :: DidCloseTextDocumentNotification n = NotificationMessage "2.0" TextDocumentDidClose params' oldVFS <- vfs <$> get - newVFS <- liftIO $ closeVFS oldVFS n + let (newVFS,_) = closeVFS oldVFS n + modify (\s -> s { vfs = newVFS }) + sendMessage n + +sendNotification TextDocumentDidChange params = do + let params' = fromJust $ decode $ encode params + n :: DidChangeTextDocumentNotification + n = NotificationMessage "2.0" TextDocumentDidChange params' + oldVFS <- vfs <$> get + let (newVFS,_) = changeFromClientVFS oldVFS n modify (\s -> s { vfs = newVFS }) sendMessage n @@ -298,19 +348,20 @@ initializeResponse = initRsp <$> ask >>= (liftIO . readMVar) -- | Opens a text document and sends a notification to the client. openDoc :: FilePath -> String -> Session TextDocumentIdentifier 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. - -> Session TextDocumentItem - getDocItem file languageId = do context <- ask let fp = rootDir context file contents <- liftIO $ T.readFile fp - return $ TextDocumentItem (filePathToUri fp) (T.pack languageId) 0 contents + openDoc' file languageId contents + +-- | This is a variant of `openDoc` that takes the file content as an argument. +openDoc' :: FilePath -> String -> T.Text -> Session TextDocumentIdentifier +openDoc' file languageId contents = do + context <- ask + let fp = rootDir context file + uri = filePathToUri fp + item = TextDocumentItem uri (T.pack languageId) 0 contents + sendNotification TextDocumentDidOpen (DidOpenTextDocumentParams item) + pure $ TextDocumentIdentifier uri -- | Closes a text document and sends a notification to the client. closeDoc :: TextDocumentIdentifier -> Session () @@ -318,10 +369,12 @@ closeDoc docId = do let params = DidCloseTextDocumentParams (TextDocumentIdentifier (docId ^. uri)) sendNotification TextDocumentDidClose params - oldVfs <- vfs <$> get - let notif = NotificationMessage "" TextDocumentDidClose params - newVfs <- liftIO $ closeVFS oldVfs notif - modify $ \s -> s { vfs = newVfs } +-- | Changes a text document and sends a notification to the client +changeDoc :: TextDocumentIdentifier -> [TextDocumentContentChangeEvent] -> Session () +changeDoc docId changes = do + verDoc <- getVersionedDoc docId + let params = DidChangeTextDocumentParams (verDoc & version . non 0 +~ 1) (List changes) + sendNotification TextDocumentDidChange params -- | Gets the Uri for the file corrected to the session directory. getDocUri :: FilePath -> Session Uri @@ -361,22 +414,21 @@ noDiagnostics = do -- | Returns the symbols in a document. getDocumentSymbols :: TextDocumentIdentifier -> Session (Either [DocumentSymbol] [SymbolInformation]) getDocumentSymbols doc = do - ResponseMessage _ rspLid mRes mErr <- request TextDocumentDocumentSymbol (DocumentSymbolParams doc) :: Session DocumentSymbolsResponse - maybe (return ()) (throw . UnexpectedResponseError rspLid) mErr - case mRes of - Just (DSDocumentSymbols (List xs)) -> return (Left xs) - Just (DSSymbolInformation (List xs)) -> return (Right xs) - Nothing -> Prelude.error "No result and no error in DocumentSymbolsResponse" + ResponseMessage _ rspLid res <- request TextDocumentDocumentSymbol (DocumentSymbolParams doc Nothing) :: Session DocumentSymbolsResponse + case res of + Right (DSDocumentSymbols (List xs)) -> return (Left xs) + Right (DSSymbolInformation (List xs)) -> return (Right xs) + Left err -> throw (UnexpectedResponseError rspLid err) -- | Returns the code actions in the specified range. getCodeActions :: TextDocumentIdentifier -> Range -> Session [CAResult] getCodeActions doc range = do ctx <- getCodeActionContext doc - rsp <- request TextDocumentCodeAction (CodeActionParams doc range ctx) + rsp <- request TextDocumentCodeAction (CodeActionParams doc range ctx Nothing) case rsp ^. result of - Just (List xs) -> return xs - _ -> throw (UnexpectedResponseError (rsp ^. LSP.id) (fromJust $ rsp ^. LSP.error)) + Right (List xs) -> return xs + Left error -> throw (UnexpectedResponseError (rsp ^. LSP.id) error) -- | Returns all the code actions in a document by -- querying the code actions at each of the current @@ -390,13 +442,11 @@ getAllCodeActions doc = do where go :: CodeActionContext -> [CAResult] -> Diagnostic -> Session [CAResult] go ctx acc diag = do - ResponseMessage _ rspLid mRes mErr <- request TextDocumentCodeAction (CodeActionParams doc (diag ^. range) ctx) + ResponseMessage _ rspLid res <- request TextDocumentCodeAction (CodeActionParams doc (diag ^. range) ctx Nothing) - case mErr of - Just e -> throw (UnexpectedResponseError rspLid e) - Nothing -> - let Just (List cmdOrCAs) = mRes - in return (acc ++ cmdOrCAs) + case res of + Left e -> throw (UnexpectedResponseError rspLid e) + Right (List cmdOrCAs) -> pure (acc ++ cmdOrCAs) getCodeActionContext :: TextDocumentIdentifier -> Session CodeActionContext getCodeActionContext doc = do @@ -406,13 +456,13 @@ getCodeActionContext doc = do -- | Returns the current diagnostics that have been sent to the client. -- Note that this does not wait for more to come in. getCurrentDiagnostics :: TextDocumentIdentifier -> Session [Diagnostic] -getCurrentDiagnostics doc = fromMaybe [] . Map.lookup (doc ^. uri) . curDiagnostics <$> get +getCurrentDiagnostics doc = fromMaybe [] . Map.lookup (toNormalizedUri $ doc ^. uri) . curDiagnostics <$> get -- | Executes a command. executeCommand :: Command -> Session () executeCommand cmd = do let args = decode $ encode $ fromJust $ cmd ^. arguments - execParams = ExecuteCommandParams (cmd ^. command) args + execParams = ExecuteCommandParams (cmd ^. command) args Nothing request_ WorkspaceExecuteCommand execParams -- | Executes a code action. @@ -433,10 +483,10 @@ executeCodeAction action = do -- | Adds the current version to the document, as tracked by the session. getVersionedDoc :: TextDocumentIdentifier -> Session VersionedTextDocumentIdentifier getVersionedDoc (TextDocumentIdentifier uri) = do - fs <- vfs <$> get + fs <- vfsMap . vfs <$> get let ver = - case fs Map.!? uri of - Just (VirtualFile v _ _) -> Just v + case fs Map.!? toNormalizedUri uri of + Just vf -> Just (virtualFileVersion vf) _ -> Nothing return (VersionedTextDocumentIdentifier uri ver) @@ -471,7 +521,7 @@ applyEdit doc edit = do -- | Returns the completions for the position in the document. getCompletions :: TextDocumentIdentifier -> Position -> Session [CompletionItem] getCompletions doc pos = do - rsp <- request TextDocumentCompletion (TextDocumentPositionParams doc pos) + rsp <- request TextDocumentCompletion (TextDocumentPositionParams doc pos Nothing) case getResponseResult rsp of Completions (List items) -> return items @@ -484,29 +534,32 @@ getReferences :: TextDocumentIdentifier -- ^ The document to lookup in. -> Session [Location] -- ^ The locations of the references. getReferences doc pos inclDecl = let ctx = ReferenceContext inclDecl - params = ReferenceParams doc pos ctx + params = ReferenceParams doc pos ctx Nothing in getResponseResult <$> request TextDocumentReferences params -- | Returns the definition(s) for the term at the specified position. getDefinitions :: TextDocumentIdentifier -- ^ The document the term is in. -> Position -- ^ The position the term is at. -> Session [Location] -- ^ The location(s) of the definitions -getDefinitions doc pos = - let params = TextDocumentPositionParams doc pos - in getResponseResult <$> request TextDocumentDefinition params +getDefinitions doc pos = do + let params = TextDocumentPositionParams doc pos Nothing + rsp <- request TextDocumentDefinition params :: Session DefinitionResponse + case getResponseResult rsp of + SingleLoc loc -> pure [loc] + MultiLoc locs -> pure locs -- | Returns the type definition(s) for the term at the specified position. getTypeDefinitions :: TextDocumentIdentifier -- ^ The document the term is in. -> Position -- ^ The position the term is at. -> Session [Location] -- ^ The location(s) of the definitions getTypeDefinitions doc pos = - let params = TextDocumentPositionParams doc pos + let params = TextDocumentPositionParams doc pos Nothing in getResponseResult <$> request TextDocumentTypeDefinition params -- | Renames the term at the specified position. rename :: TextDocumentIdentifier -> Position -> String -> Session () rename doc pos newName = do - let params = RenameParams doc pos (T.pack newName) + let params = RenameParams doc pos (T.pack newName) Nothing rsp <- request TextDocumentRename params :: Session RenameResponse let wEdit = getResponseResult rsp req = RequestMessage "" (IdInt 0) WorkspaceApplyEdit (ApplyWorkspaceEditParams wEdit) @@ -515,33 +568,34 @@ rename doc pos newName = do -- | Returns the hover information at the specified position. getHover :: TextDocumentIdentifier -> Position -> Session (Maybe Hover) getHover doc pos = - let params = TextDocumentPositionParams doc pos + let params = TextDocumentPositionParams doc pos Nothing in getResponseResult <$> request TextDocumentHover params -- | Returns the highlighted occurences of the term at the specified position getHighlights :: TextDocumentIdentifier -> Position -> Session [DocumentHighlight] getHighlights doc pos = - let params = TextDocumentPositionParams doc pos + let params = TextDocumentPositionParams doc pos Nothing in getResponseResult <$> request TextDocumentDocumentHighlight params -- | Checks the response for errors and throws an exception if needed. -- Returns the result if successful. getResponseResult :: ResponseMessage a -> a -getResponseResult rsp = fromMaybe exc (rsp ^. result) - where exc = throw $ UnexpectedResponseError (rsp ^. LSP.id) - (fromJust $ rsp ^. LSP.error) +getResponseResult rsp = + case rsp ^. result of + Right x -> x + Left err -> throw $ UnexpectedResponseError (rsp ^. LSP.id) err -- | Applies formatting to the specified document. formatDoc :: TextDocumentIdentifier -> FormattingOptions -> Session () formatDoc doc opts = do - let params = DocumentFormattingParams doc opts + let params = DocumentFormattingParams doc opts Nothing edits <- getResponseResult <$> request TextDocumentFormatting params applyTextEdits doc edits -- | Applies formatting to the specified range in a document. formatRange :: TextDocumentIdentifier -> FormattingOptions -> Range -> Session () formatRange doc opts range = do - let params = DocumentRangeFormattingParams doc range opts + let params = DocumentRangeFormattingParams doc range opts Nothing edits <- getResponseResult <$> request TextDocumentRangeFormatting params applyTextEdits doc edits @@ -550,3 +604,10 @@ applyTextEdits doc edits = let wEdit = WorkspaceEdit (Just (HashMap.singleton (doc ^. uri) edits)) Nothing req = RequestMessage "" (IdInt 0) WorkspaceApplyEdit (ApplyWorkspaceEditParams wEdit) in updateState (ReqApplyWorkspaceEdit req) + +-- | Returns the code lenses for the specified document. +getCodeLenses :: TextDocumentIdentifier -> Session [CodeLens] +getCodeLenses tId = do + rsp <- request TextDocumentCodeLens (CodeLensParams tId Nothing) :: Session CodeLensResponse + case getResponseResult rsp of + List res -> pure res