+++ /dev/null
-module Language.Haskell.LSP.Test.Exceptions where
-
-import Control.Exception
-import Language.Haskell.LSP.Types
-import Data.Aeson
-import Data.Aeson.Encode.Pretty
-import Data.Algorithm.Diff
-import Data.Algorithm.DiffOutput
-import Data.List
-import qualified Data.ByteString.Lazy.Char8 as B
-
--- | An exception that can be thrown during a 'Haskell.LSP.Test.Session.Session'
-data SessionException = Timeout (Maybe FromServerMessage)
- | NoContentLengthHeader
- | UnexpectedMessage String FromServerMessage
- | ReplayOutOfOrder FromServerMessage [FromServerMessage]
- | UnexpectedDiagnostics
- | IncorrectApplyEditRequest String
- | UnexpectedResponseError SomeLspId ResponseError
- | UnexpectedServerTermination
- | IllegalInitSequenceMessage FromServerMessage
- deriving Eq
-
-instance Exception SessionException
-
-instance Show SessionException where
- show (Timeout lastMsg) =
- "Timed out waiting to receive a message from the server." ++
- case lastMsg of
- Just msg -> "\nLast message received:\n" ++ B.unpack (encodePretty msg)
- Nothing -> mempty
- show NoContentLengthHeader = "Couldn't read Content-Length header from the server."
- show (UnexpectedMessage expected lastMsg) =
- "Received an unexpected message from the server:\n" ++
- "Was parsing: " ++ expected ++ "\n" ++
- "But the last message received was:\n" ++ B.unpack (encodePretty lastMsg)
- show (ReplayOutOfOrder received expected) =
- let expected' = nub expected
- getJsonDiff = lines . B.unpack . encodePretty
- showExp exp = B.unpack (encodePretty exp) ++ "\nDiff:\n" ++
- ppDiff (getGroupedDiff (getJsonDiff received) (getJsonDiff exp))
- in "Replay is out of order:\n" ++
- -- Print json so its a bit easier to update the session logs
- "Received from server:\n" ++ B.unpack (encodePretty received) ++ "\n" ++
- "Raw from server:\n" ++ B.unpack (encode received) ++ "\n" ++
- "Expected one of:\n" ++ unlines (map showExp expected')
- show UnexpectedDiagnostics = "Unexpectedly received diagnostics from the server."
- show (IncorrectApplyEditRequest msgStr) = "ApplyEditRequest didn't contain document, instead received:\n"
- ++ msgStr
- show (UnexpectedResponseError lid e) = "Received an exepected error in a response for id " ++ show lid ++ ":\n"
- ++ show e
- show UnexpectedServerTermination = "Language server unexpectedly terminated"
- show (IllegalInitSequenceMessage msg) =
- "Received an illegal message between the initialize request and response:\n"
- ++ B.unpack (encodePretty msg)
-
--- | A predicate that matches on any 'SessionException'
-anySessionException :: SessionException -> Bool
-anySessionException = const True