README.md

   1 # lsp-test [![Build Status](https://travis-ci.com/Bubba/haskell-lsp-test.svg?branch=master)](https://travis-ci.com/Bubba/haskell-lsp-test)
   2 lsp-test is a functional testing framework for Language Server Protocol servers.
   3
   4 ```haskell
   5 import Language.Haskell.LSP.Test
   6 runSession "hie" fullCaps "proj/dir" $ do
   7   doc <- openDoc "Foo.hs" "haskell"
   8   skipMany anyNotification
   9   symbols <- getDocumentSymbols doc
  10 ```
  11
  12 ## Examples
  13
  14 ### Unit tests with HSpec
  15 ```haskell
  16 describe "diagnostics" $
  17   it "report errors" $ runSession "hie" fullCaps "test/data" $ do
  18     openDoc "Error.hs" "haskell"
  19     [diag] <- waitForDiagnosticsSource "ghcmod"
  20     liftIO $ do
  21       diag ^. severity `shouldBe` Just DsError
  22       diag ^. source `shouldBe` Just "ghcmod"
  23 ```
  24
  25 ### Replaying captured session
  26 ```haskell
  27 replaySession "hie" "test/data/renamePass"
  28 ```
  29
  30 ### Parsing with combinators
  31 ```haskell
  32 skipManyTill loggingNotification publishDiagnosticsNotification
  33 count 4 (message :: Session ApplyWorkspaceEditRequest)
  34 anyRequest <|> anyResponse
  35 ```
  36
  37 For more examples check the [Wiki](https://github.com/Bubba/haskell-lsp-test/wiki/Introduction)
  38
  39 ## Developing
  40 To test make sure you have the following language servers installed:
  41 - [haskell-ide-engine](https://github.com/haskell/haskell-ide-engine)
  42 - [javascript-typescript-langserver](https://github.com/sourcegraph/javascript-typescript-langserver)