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lsp-test: Functional test framework for LSP servers.

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A test framework for writing tests against Language Server Protocol servers. Language.Haskell.LSP.Test launches your server as a subprocess and allows you to simulate a session down to the wire, and Language.Haskell.LSP.Test can replay captured sessions from https://hackage.haskell.org/package/haskell-lsp. It's currently used for testing in haskell-ide-engine.

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Versions 0.1.0.0, 0.2.0.0, 0.2.1.0, 0.3.0.0, 0.3.0.0, 0.4.0.0, 0.5.0.0, 0.5.0.1, 0.5.0.2, 0.5.1.0, 0.5.1.1, 0.5.1.2, 0.5.1.3, 0.5.1.4, 0.5.2.0, 0.5.2.1, 0.5.2.2, 0.5.2.3, 0.5.3.0, 0.5.4.0, 0.6.0.0, 0.6.1.0, 0.7.0.0, 0.8.0.0, 0.8.1.0, 0.8.2.0, 0.9.0.0, 0.10.0.0, 0.10.1.0, 0.10.2.0, 0.10.3.0, 0.11.0.0, 0.11.0.1, 0.11.0.2, 0.11.0.3, 0.11.0.4, 0.11.0.5, 0.11.0.6, 0.11.0.7, 0.12.0.0, 0.13.0.0, 0.14.0.0, 0.14.0.1, 0.14.0.2, 0.14.0.3, 0.14.1.0, 0.15.0.0, 0.15.0.1, 0.16.0.0, 0.16.0.1, 0.17.0.0, 0.17.0.1, 0.17.0.2, 0.17.1.0
Change log ChangeLog.md
Dependencies aeson, aeson-pretty, ansi-terminal, base (>=4.7 && <5), bytestring, conduit, conduit-parse, containers, data-default, Diff, directory, filepath, haskell-lsp (>=0.7), lens, mtl, parser-combinators, process, text, transformers, unix, unordered-containers, Win32, yi-rope [details]
License BSD-3-Clause
Copyright 2018 Luke Lau
Author Luke Lau
Maintainer luke_lau@icloud.com
Category Testing
Home page https://github.com/Bubba/haskell-lsp-test#readme
Bug tracker https://github.com/Bubba/haskell-lsp-test/issues
Source repo head: git clone https://github.com/Bubba/haskell-lsp-test/
Uploaded by luke_ at 2018-09-04T23:27:01Z

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Readme for lsp-test-0.3.0.0

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lsp-test Build Status Hackage

lsp-test is a functional testing framework for Language Server Protocol servers.

import Language.Haskell.LSP.Test
runSession "hie" fullCaps "proj/dir" $ do
  doc <- openDoc "Foo.hs" "haskell"
  skipMany anyNotification
  symbols <- getDocumentSymbols doc

Examples

Unit tests with HSpec

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

replaySession "hie" "test/data/renamePass"

Parsing with combinators

skipManyTill loggingNotification publishDiagnosticsNotification
count 4 (message :: Session ApplyWorkspaceEditRequest)
anyRequest <|> anyResponse

Try out the example tests in the example directory with cabal new-test. For more examples check the Wiki

Developing

To test make sure you have the following language servers installed: