X-Git-Url: https://git.lukelau.me/?p=lsp-test.git;a=blobdiff_plain;f=README.md;h=6f43add975965404cd57b982247ca72411ad7790;hp=e58ae1734dc2a46658aefe80dc9aa4cf888945e5;hb=HEAD;hpb=c449df9656ffb46d60ea5aba8537e5c10e02d388 diff --git a/README.md b/README.md index e58ae17..6f43add 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,58 @@ -# haskell-lsp-test [![Build Status](https://travis-ci.com/Bubba/haskell-lsp-test.svg?branch=master)](https://travis-ci.com/Bubba/haskell-lsp-test) -This is the functional testing framework for [haskell-ide-engine](https://github.com/haskell/haskell-ide-engine), and potentially any other Language Server Protocol server. +# The lsp-test repo has been merged into haskell/lsp + +Please visit [haskell/lsp](https://github.com/haskell/lsp) instead (Don't worry though, it's still mantained and still lives under the same lsp-test package on hackage) + + +# lsp-test [![Actions Status](https://github.com/bubba/lsp-test/workflows/Haskell%20CI/badge.svg)](https://github.com/bubba/lsp-test/actions) [![Hackage](https://img.shields.io/hackage/v/lsp-test.svg)](https://hackage.haskell.org/package/lsp-test) +lsp-test is a functional testing framework for Language Server Protocol servers. + +```haskell +import Language.LSP.Test +main = runSession "hie" fullCaps "proj/dir" $ do + doc <- openDoc "Foo.hs" "haskell" + skipMany anyNotification + symbols <- getDocumentSymbols doc +``` + +## Examples + +### Unit tests with HSpec +```haskell +describe "diagnostics" $ + it "report errors" $ runSession "hie" fullCaps "test/data" $ do + openDoc "Error.hs" "haskell" + [diag] <- waitForDiagnosticsSource "ghcmod" + liftIO $ do + diag ^. severity `shouldBe` Just DsError + diag ^. source `shouldBe` Just "ghcmod" +``` + +### Replaying captured session +```haskell +replaySession "hie" "test/data/renamePass" +``` + +### Parsing with combinators +```haskell +skipManyTill loggingNotification publishDiagnosticsNotification +count 4 (message :: Session ApplyWorkspaceEditRequest) +anyRequest <|> anyResponse +``` + +Try out the example tests in the `example` directory with `cabal test`. +For more examples check the [Wiki](https://github.com/bubba/lsp-test/wiki/Introduction), or see this [introductory blog post](https://lukelau.me/haskell/posts/lsp-test/). + +Whilst writing your tests you may want to debug them to see what's going wrong. +You can set the `logMessages` and `logStdErr` options in `SessionConfig` to see what the server is up to. +There are also corresponding environment variables so you can turn them on from the command line: +``` +LSP_TEST_LOG_MESSAGES=1 LSP_TEST_LOG_STDERR=1 cabal test +``` + +## Developing +The tests for lsp-test use a dummy server found in `test/dummy-server/`. +Run the tests with `cabal test` or `stack test`. +Tip: If you want to filter the tests, use `cabal run test:tests -- -m "foo"` + +## Troubleshooting +Seeing funny stuff when running lsp-test via stack? If your server is built upon Haskell tooling, [keep in mind that stack sets some environment variables related to GHC, and you may want to unset them.](https://github.com/alanz/haskell-ide-engine/blob/bfb16324d396da71000ef81d51acbebbdaa854ab/test/utils/TestUtils.hs#L290-L298)