fix _rootPath in initializeParams (#573)

* fix initializeParams
* use record syntax for initializeParams

lsp-test/src/Language/LSP/Test.hs

@@ -278,19 +278,20 @@ runSessionWithHandles' serverProc serverIn serverOut config' caps rootDir sessio
 
   let initializeParams =
         InitializeParams
-          Nothing
-          -- Narrowing to Int32 here, but it's unlikely that a PID will
-          -- be outside the range
-          (InL $ fromIntegral pid)
-          (Just lspTestClientInfo)
-          (Just $ T.pack absRootDir)
-          Nothing
-          (InL $ filePathToUri absRootDir)
-          caps
-          -- TODO: make this configurable?
-          (Just $ Object $ lspConfig config')
-          (Just TraceValue_Off)
-          (fmap InL $ initialWorkspaceFolders config)
+          { _workDoneToken = Nothing
+          , -- Narrowing to Int32 here, but it's unlikely that a PID will
+            -- be outside the range
+            _processId = InL $ fromIntegral pid
+          , _clientInfo = Just lspTestClientInfo
+          , _locale = Nothing
+          , _rootPath = Just (InL $ T.pack absRootDir)
+          , _rootUri = InL $ filePathToUri absRootDir
+          , _capabilities = caps
+          , -- TODO: make this configurable?
+            _initializationOptions = Just $ Object $ lspConfig config'
+          , _trace = Just TraceValue_Off
+          , _workspaceFolders = InL <$> initialWorkspaceFolders config
+          }
   runSession' serverIn serverOut serverProc listenServer config caps rootDir exitServer $ do
     -- Wrap the session around initialize and shutdown calls
     initReqId <- sendRequest SMethod_Initialize initializeParams