Functional tests setup for the LSP server (#1396)
* Functional tests setup for the LSP server * Add nix derivation for lsp-test-0.6.1.0 * Register fixture files * Enable functional tests on appveyor * Attempt to fix Position errors * Fix `dhall-lsp-server` to specify a UTF8 locale Related to https://github.com/dhall-lang/dhall-haskell/issues/1356#issuecomment-536840612 * Specify utf8 encoding for tests * Add test for hovering functionality * Add glob to list fixture files * Remove extra do
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mujx
mergify[bot]
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645b71d6b3
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@ -54,7 +54,8 @@ for:
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- chcp 65001 && stack test dhall
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- stack test dhall-json
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- stack test dhall-bash
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# - stack test dhall-lsp-server # Disabled while the tests are broken.
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# - stack test dhall-lsp-server:doctest # Disabled while the tests are broken.
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- stack test dhall-lsp-server:tests
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- stack bench dhall --benchmark-arguments "--quick --min-duration=0 --include-first-iter"
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-
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@ -15,6 +15,7 @@ import Data.Monoid ((<>))
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import qualified Data.Version
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import qualified Dhall.LSP.Server
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import qualified Paths_dhall_lsp_server
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import qualified GHC.IO.Encoding
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-- | Top-level program options
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data Options = Options {
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@ -74,5 +75,9 @@ runCommand Options {..} = do
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-- | Entry point for the @dhall-lsp-server@ executable
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main :: IO ()
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main = do options <- Options.Applicative.execParser parserInfoOptions
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runCommand options
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main = do
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GHC.IO.Encoding.setLocaleEncoding GHC.IO.Encoding.utf8
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options <- Options.Applicative.execParser parserInfoOptions
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runCommand options
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@ -13,6 +13,10 @@ build-type: Simple
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extra-source-files:
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README.md
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ChangeLog.md
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tests/fixtures/completion/*.dhall
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tests/fixtures/diagnostics/*.dhall
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tests/fixtures/linting/*.dhall
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tests/fixtures/hovering/*.dhall
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source-repository head
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type: git
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@ -102,3 +106,17 @@ Test-Suite doctest
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-- See: https://ghc.haskell.org/trac/ghc/ticket/10970
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if impl(ghc < 8.0)
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Buildable: False
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Test-Suite tests
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Type: exitcode-stdio-1.0
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Hs-Source-Dirs: tests
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Main-Is: Main.hs
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GHC-Options: -Wall
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Build-Depends:
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base ,
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haskell-lsp-types >= 0.15.0 && < 0.16 ,
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lsp-test >= 0.6 && < 0.7 ,
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tasty >= 0.11.2 && < 1.3 ,
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tasty-hspec >= 1.1 && < 1.2 ,
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text >= 0.11 && < 1.3
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Default-Language: Haskell2010
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@ -0,0 +1,173 @@
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{-# LANGUAGE OverloadedStrings #-}
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import Control.Monad.IO.Class (liftIO)
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import Data.Maybe (fromJust)
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import qualified Data.Text as T
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import qualified GHC.IO.Encoding
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import Language.Haskell.LSP.Test
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import Language.Haskell.LSP.Types
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( CompletionItem (..),
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Diagnostic (..),
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DiagnosticSeverity (..),
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Hover (..),
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HoverContents (..),
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MarkupContent (..),
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Position (..),
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)
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import Test.Tasty
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import Test.Tasty.Hspec
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baseDir :: FilePath -> FilePath
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baseDir d = "tests/fixtures/" <> d
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hoveringSpec :: FilePath -> Spec
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hoveringSpec dir =
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describe "Dhall.Hover"
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$ it "reports types on hover"
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$ runSession "dhall-lsp-server" fullCaps dir
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$ do
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docId <- openDoc "Types.dhall" "dhall"
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let typePos = Position 0 5
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functionPos = Position 2 7
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extractContents = _contents . fromJust
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getValue = T.unpack . _value
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typeHover <- getHover docId typePos
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funcHover <- getHover docId functionPos
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liftIO $ do
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case (extractContents typeHover, extractContents funcHover) of
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(HoverContents typeContent, HoverContents functionContent) -> do
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getValue typeContent `shouldBe` "Type"
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getValue functionContent `shouldBe` "{ home : Text, name : Text }"
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_ -> error "test failed"
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pure ()
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lintingSpec :: FilePath -> Spec
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lintingSpec fixtureDir =
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describe "Dhall.Lint" $ do
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it "reports unused bindings"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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_ <- openDoc "UnusedBindings.dhall" "dhall"
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diags <- waitForDiagnosticsSource "Dhall.Lint"
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_ <-
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liftIO $
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mapM
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( \diag -> do
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_severity diag `shouldBe` Just DsHint
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T.unpack (_message diag) `shouldContain` "Unused let binding"
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)
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diags
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pure ()
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it "reports multiple hints"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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_ <- openDoc "SuperfluousIn.dhall" "dhall"
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diags <- waitForDiagnosticsSource "Dhall.Lint"
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liftIO $ length diags `shouldBe` 2
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let diag1 = head diags
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diag2 = diags !! 1
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liftIO $ do
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_severity diag1 `shouldBe` Just DsHint
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T.unpack (_message diag1) `shouldContain` "Superfluous 'in'"
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_severity diag2 `shouldBe` Just DsHint
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T.unpack (_message diag2) `shouldContain` "Unused let binding"
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codeCompletionSpec :: FilePath -> Spec
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codeCompletionSpec fixtureDir =
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describe "Dhall.Completion" $ do
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it "suggests user defined types"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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docId <- openDoc "CustomTypes.dhall" "dhall"
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cs <- getCompletions docId (Position {_line = 2, _character = 35})
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liftIO $ do
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let firstItem = head cs
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_label firstItem `shouldBe` "Config"
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_detail firstItem `shouldBe` Just "Type"
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it "suggests user defined functions"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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docId <- openDoc "CustomFunctions.dhall" "dhall"
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cs <- getCompletions docId (Position {_line = 6, _character = 7})
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liftIO $ do
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let firstItem = head cs
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_label firstItem `shouldBe` "makeUser"
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_detail firstItem `shouldBe` Just "\8704(user : Text) \8594 { home : Text }"
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it "suggests user defined bindings"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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docId <- openDoc "Bindings.dhall" "dhall"
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cs <- getCompletions docId (Position {_line = 0, _character = 59})
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liftIO $ do
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let firstItem = head cs
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_label firstItem `shouldBe` "bob"
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_detail firstItem `shouldBe` Just "Text"
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it "suggests functions from imports"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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docId <- openDoc "ImportedFunctions.dhall" "dhall"
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cs <- getCompletions docId (Position {_line = 0, _character = 33})
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liftIO $ do
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let firstItem = head cs
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_label firstItem `shouldBe` "makeUser"
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_detail firstItem `shouldBe` Just "\8704(user : Text) \8594 { home : Text }"
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diagnosticsSpec :: FilePath -> Spec
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diagnosticsSpec fixtureDir = do
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describe "Dhall.TypeCheck" $ do
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it "reports unbound variables"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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_ <- openDoc "UnboundVar.dhall" "dhall"
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[diag] <- waitForDiagnosticsSource "Dhall.TypeCheck"
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liftIO $ do
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_severity diag `shouldBe` Just DsError
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T.unpack (_message diag) `shouldContain` "Unbound variable"
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it "reports wrong type"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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_ <- openDoc "WrongType.dhall" "dhall"
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[diag] <- waitForDiagnosticsSource "Dhall.TypeCheck"
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liftIO $ do
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_severity diag `shouldBe` Just DsError
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T.unpack (_message diag) `shouldContain` "Expression doesn't match annotation"
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describe "Dhall.Import" $ do
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it "reports invalid imports"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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_ <- openDoc "InvalidImport.dhall" "dhall"
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[diag] <- waitForDiagnosticsSource "Dhall.Import"
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liftIO $ do
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_severity diag `shouldBe` Just DsError
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T.unpack (_message diag) `shouldContain` "Invalid input"
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it "reports missing imports"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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_ <- openDoc "MissingImport.dhall" "dhall"
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[diag] <- waitForDiagnosticsSource "Dhall.Import"
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liftIO $ do
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_severity diag `shouldBe` Just DsError
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T.unpack (_message diag) `shouldContain` "Missing file"
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describe "Dhall.Parser"
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$ it "reports invalid syntax"
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$ runSession "dhall-lsp-server" fullCaps fixtureDir
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$ do
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_ <- openDoc "InvalidSyntax.dhall" "dhall"
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[diag] <- waitForDiagnosticsSource "Dhall.Parser"
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liftIO $ _severity diag `shouldBe` Just DsError
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main :: IO ()
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main = do
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GHC.IO.Encoding.setLocaleEncoding GHC.IO.Encoding.utf8
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diagnostics <- testSpec "Diagnostics" (diagnosticsSpec (baseDir "diagnostics"))
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linting <- testSpec "Linting" (lintingSpec (baseDir "linting"))
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completion <- testSpec "Completion" (codeCompletionSpec (baseDir "completion"))
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hovering <- testSpec "Hovering" (hoveringSpec (baseDir "hovering"))
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defaultMain
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( testGroup "Tests"
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[ diagnostics,
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linting,
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completion,
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hovering
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]
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)
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@ -0,0 +1 @@
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let alice = "Alice" let bob = "Bob" in { result = bob ++ al }
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@ -0,0 +1,7 @@
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let makeUser =
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λ(user : Text)
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→ let home = "/home/${user}"
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in { home = home }
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in [ m
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@ -0,0 +1,3 @@
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let Config = { name : Text, age : Natural }
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in { name = "alice", age = 20 } : C
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@ -0,0 +1 @@
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let Lib = ./Library.dhall in Lib.
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@ -0,0 +1,3 @@
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let makeUser = λ(user : Text) → let home = "/home/${user}" in { home = home }
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in { makeUser = makeUser }
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@ -0,0 +1 @@
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./InvalidSyntax.dhall
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@ -0,0 +1 @@
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let a = 2 + 2/
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@ -0,0 +1 @@
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./NonExistent.dhall
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@ -0,0 +1 @@
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unboundVar
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@ -0,0 +1 @@
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let a = "dhall" : List Text in a
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@ -0,0 +1,11 @@
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let User = { name : Text, home : Text }
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let mkUser =
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λ(_isAdmin : Bool)
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→ if _isAdmin
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then { name = "admin", home = "/home/admin" }
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else { name = "default", home = "/home/user" }
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in mkUser True : User
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@ -0,0 +1,3 @@
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let alice = { name = "Alice", age = 20 }
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in let carl = { name = "Carl", age = 22 } in alice
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@ -0,0 +1,7 @@
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let alice = { name = "Alice", age = 20 }
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let bob = { name = "Bob", age = 21 }
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let carl = { name = "Carl", age = 22 }
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in alice
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@ -0,0 +1,24 @@
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{ mkDerivation, aeson, aeson-pretty, ansi-terminal, async, base
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, bytestring, conduit, conduit-parse, containers, data-default
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, Diff, directory, filepath, haskell-lsp, hspec, lens, mtl
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, parser-combinators, process, rope-utf16-splay, stdenv, text
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, transformers, unix, unordered-containers
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}:
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mkDerivation {
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pname = "lsp-test";
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version = "0.6.1.0";
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sha256 = "d15103bc8c84f74ff90220b66cacebe4bcd135ef1e31ddd10c808a94484db7a4";
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libraryHaskellDepends = [
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aeson aeson-pretty ansi-terminal async base bytestring conduit
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conduit-parse containers data-default Diff directory filepath
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haskell-lsp lens mtl parser-combinators process rope-utf16-splay
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text transformers unix unordered-containers
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];
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testHaskellDepends = [
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aeson base data-default haskell-lsp hspec lens text
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unordered-containers
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];
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homepage = "https://github.com/bubba/lsp-test#readme";
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description = "Functional test framework for LSP servers";
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license = stdenv.lib.licenses.bsd3;
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}
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@ -20,7 +20,7 @@ extra-deps:
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- HsYAML-0.2.0.0@sha256:4e554ee481650156a26a71b40f233979cd943f22ee887b70dae3b8b24de2932f,5273
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- HsYAML-aeson-0.2.0.0@sha256:04796abfc01cffded83f37a10e6edba4f0c0a15d45bef44fc5bb4313d9c87757,1791
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- ordered-containers-0.2.2@sha256:ebf2be3f592d9cf148ea6b8375f8af97148d44f82d8d04476899285e965afdbf,810
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- lsp-test-0.6.1.0@sha256:df0fc403c03b6d036be13de3ff23d9951ae2506080135cd6862eded2c969a6da,3483
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nix:
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packages:
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- ncurses
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