Accept the legacy "languageServerHaskell" config name

cabal.project

@@ -14,4 +14,4 @@ package ghcide
 
 write-ghc-environment-files: never
 
-index-state: 2020-07-16T17:24:10Z
+index-state: 2020-07-27T12:40:45Z

haskell-language-server.cabal

@@ -215,7 +215,7 @@ common hls-test-utils
                      , hslogger
                      , hspec
                      , hspec-core
-                     , lsp-test
+                     , lsp-test >= 0.11.0.3
                      , stm
                      , tasty-hunit
                      , temporary
@@ -245,7 +245,7 @@ test-suite func-test
                       , haskell-lsp-types
                       , hspec-expectations
                       , lens
-                      , lsp-test >= 0.10.0.0
+                      , lsp-test >= 0.11.0.3
                       , tasty
                       , tasty-ant-xml >= 1.1.6
                       , tasty-expected-failure

src/Ide/Plugin/Config.hs

@@ -10,6 +10,7 @@ module Ide.Plugin.Config
     , Config(..)
     ) where
 
+import           Control.Applicative
 import qualified Data.Aeson                    as A
 import           Data.Aeson              hiding ( Error )
 import           Data.Default
@@ -70,7 +71,9 @@ instance Default Config where
 -- TODO: Add API for plugins to expose their own LSP config options
 instance A.FromJSON Config where
   parseJSON = A.withObject "Config" $ \v -> do
-    s <- v .: "haskell"
+    -- Officially, we use "haskell" as the section name but for
+    -- backwards compatibility we also accept "languageServerHaskell"
+    s <- v .: "haskell" <|> v .: "languageServerHaskell"
     flip (A.withObject "Config.settings") s $ \o -> Config
       <$> o .:? "hlintOn"                     .!= hlintOn def
       <*> o .:? "diagnosticsOnChange"         .!= diagnosticsOnChange def

stack-8.10.1.yaml

@@ -15,7 +15,7 @@ extra-deps:
 - floskell-0.10.3
 - ghc-exactprint-0.6.3
 - lens-4.19.1
-- lsp-test-0.11.0.2
+- lsp-test-0.11.0.3
 - monad-dijkstra-0.1.1.2
 - optics-core-0.3
 - ormolu-0.1.2.0

stack-8.6.4.yaml

@@ -39,7 +39,7 @@ extra-deps:
 - HsYAML-0.2.1.0@rev:1
 - HsYAML-aeson-0.2.0.0@rev:1
 - lens-4.18
-- lsp-test-0.11.0.2
+- lsp-test-0.11.0.3
 - microlens-th-0.4.2.3@rev:1
 - monad-dijkstra-0.1.1.2
 - monad-memo-0.4.1

stack-8.6.5.yaml

@@ -31,7 +31,7 @@ extra-deps:
 - HsYAML-aeson-0.2.0.0@rev:1
 - indexed-profunctors-0.1
 - lens-4.18
-- lsp-test-0.11.0.2
+- lsp-test-0.11.0.3
 - monad-dijkstra-0.1.1.2
 - opentelemetry-0.4.2
 - optics-core-0.2

stack-8.8.2.yaml

@@ -31,7 +31,7 @@ extra-deps:
 - HsYAML-0.2.1.0@rev:1
 - HsYAML-aeson-0.2.0.0@rev:1
 - ilist-0.3.1.0
-- lsp-test-0.11.0.2
+- lsp-test-0.11.0.3
 - monad-dijkstra-0.1.1.2
 - opentelemetry-0.4.2
 - ormolu-0.1.2.0

stack-8.8.3.yaml

@@ -22,7 +22,7 @@ extra-deps:
 - hoogle-5.0.17.11
 - hsimport-0.11.0
 - ilist-0.3.1.0
-- lsp-test-0.11.0.2
+- lsp-test-0.11.0.3
 - monad-dijkstra-0.1.1.2
 - semigroups-0.18.5
 # - github: wz1000/shake

stack-8.8.4.yaml

@@ -24,7 +24,7 @@ extra-deps:
 - hoogle-5.0.17.11
 - hsimport-0.11.0
 - ilist-0.3.1.0
-- lsp-test-0.11.0.2
+- lsp-test-0.11.0.3
 - monad-dijkstra-0.1.1.2
 - semigroups-0.18.5
 # - github: wz1000/shake

stack.yaml

@@ -31,7 +31,7 @@ extra-deps:
 - HsYAML-aeson-0.2.0.0@rev:1
 - indexed-profunctors-0.1
 - lens-4.18
-- lsp-test-0.11.0.2
+- lsp-test-0.11.0.3
 - monad-dijkstra-0.1.1.2
 - opentelemetry-0.4.2
 - optics-core-0.2

test/functional/Format.hs

@@ -1,19 +1,21 @@
-{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE OverloadedStrings, CPP #-}
 module Format (tests) where
 
 import Control.Monad.IO.Class
 import Data.Aeson
 import qualified Data.ByteString.Lazy as BS
-import qualified Data.Text as T
 import qualified Data.Text.Encoding as T
 import Language.Haskell.LSP.Test
 import Language.Haskell.LSP.Types
 import Test.Hls.Util
 import Test.Tasty
-import Test.Tasty.ExpectedFailure (ignoreTestBecause)
 import Test.Tasty.Golden
 import Test.Tasty.HUnit
-import Test.Hspec.Expectations
+
+#if MIN_VERSION_GLASGOW_HASKELL(8,10,0,0) || !defined(AGPL)
+#else
+import qualified Data.Text.IO as T
+#endif
 
 tests :: TestTree
 tests = testGroup "format document" [
@@ -28,7 +30,11 @@ tests = testGroup "format document" [
     , rangeTests
     , providerTests
     , stylishHaskellTests
+-- There's no Brittany formatter on the 8.10.1 builds (yet)
+#if MIN_VERSION_GLASGOW_HASKELL(8,10,0,0) || !defined(AGPL)
+#else
     , brittanyTests
+#endif
     , ormoluTests
     ]
 
@@ -51,25 +57,46 @@ providerTests = testGroup "formatting provider" [
         orig <- documentContents doc
 
         formatDoc doc (FormattingOptions 2 True)
-        documentContents doc >>= liftIO . (`shouldBe` orig)
+        documentContents doc >>= liftIO . (@?= orig)
 
         formatRange doc (FormattingOptions 2 True) (Range (Position 1 0) (Position 3 10))
-        documentContents doc >>= liftIO . (`shouldBe` orig)
+        documentContents doc >>= liftIO . (@?= orig)
+
+-- There's no Brittany formatter on the 8.10.1 builds (yet)
+#if MIN_VERSION_GLASGOW_HASKELL(8,10,0,0) || !defined(AGPL)
+#else
+    , testCase "can change on the fly" $ runSession hieCommand fullCaps "test/testdata" $ do
+        formattedBrittany <- liftIO $ T.readFile "test/testdata/Format.brittany.formatted.hs"
+        formattedFloskell <- liftIO $ T.readFile "test/testdata/Format.floskell.formatted.hs"
+        formattedBrittanyPostFloskell <- liftIO $ T.readFile "test/testdata/Format.brittany_post_floskell.formatted.hs"
 
-    , ignoreTestBecause "Broken" $ testCase "can change on the fly" $ runSession hieCommand fullCaps "test/testdata" $ do
         doc <- openDoc "Format.hs" "haskell"
 
         sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams (formatLspConfig "brittany"))
         formatDoc doc (FormattingOptions 2 True)
-        documentContents doc >>= liftIO . (`shouldBe` formattedBrittany)
+        documentContents doc >>= liftIO . (@?= formattedBrittany)
 
         sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams (formatLspConfig "floskell"))
         formatDoc doc (FormattingOptions 2 True)
-        documentContents doc >>= liftIO . (`shouldBe` formattedFloskell)
+        documentContents doc >>= liftIO . (@?= formattedFloskell)
 
         sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams (formatLspConfig "brittany"))
         formatDoc doc (FormattingOptions 2 True)
-        documentContents doc >>= liftIO . (`shouldBe` formattedBrittanyPostFloskell)
+        documentContents doc >>= liftIO . (@?= formattedBrittanyPostFloskell)
+    , testCase "supports both new and old configuration sections" $ runSession hieCommand fullCaps "test/testdata" $ do
+       formattedBrittany <- liftIO $ T.readFile "test/testdata/Format.brittany.formatted.hs"
+       formattedFloskell <- liftIO $ T.readFile "test/testdata/Format.floskell.formatted.hs"
+
+       doc <- openDoc "Format.hs" "haskell"
+
+       sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams (formatLspConfigOld "brittany"))
+       formatDoc doc (FormattingOptions 2 True)
+       documentContents doc >>= liftIO . (@?= formattedBrittany)
+
+       sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams (formatLspConfigOld "floskell"))
+       formatDoc doc (FormattingOptions 2 True)
+       documentContents doc >>= liftIO . (@?= formattedFloskell)
+#endif
     ]
 
 stylishHaskellTests :: TestTree
@@ -89,22 +116,26 @@ stylishHaskellTests = testGroup "stylish-haskell" [
 brittanyTests :: TestTree
 brittanyTests = testGroup "brittany" [
     goldenVsStringDiff "formats a document with LF endings" goldenGitDiff "test/testdata/BrittanyLF.formatted_document.hs" $ runSession hieCommand fullCaps "test/testdata" $ do
+        sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams (formatLspConfig "brittany"))
         doc <- openDoc "BrittanyLF.hs" "haskell"
         formatDoc doc (FormattingOptions 4 True)
         BS.fromStrict . T.encodeUtf8 <$> documentContents doc
 
     , goldenVsStringDiff "formats a document with CRLF endings" goldenGitDiff "test/testdata/BrittanyCRLF.formatted_document.hs" $ runSession hieCommand fullCaps "test/testdata" $ do
+        sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams (formatLspConfig "brittany"))
         doc <- openDoc "BrittanyCRLF.hs" "haskell"
         formatDoc doc (FormattingOptions 4 True)
         BS.fromStrict . T.encodeUtf8 <$> documentContents doc
 
     , goldenVsStringDiff "formats a range with LF endings" goldenGitDiff "test/testdata/BrittanyLF.formatted_range.hs" $ runSession hieCommand fullCaps "test/testdata" $ do
+        sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams (formatLspConfig "brittany"))
         doc <- openDoc "BrittanyLF.hs" "haskell"
         let range = Range (Position 1 0) (Position 2 22)
         formatRange doc (FormattingOptions 4 True) range
         BS.fromStrict . T.encodeUtf8 <$> documentContents doc
 
     , goldenVsStringDiff "formats a range with CRLF endings" goldenGitDiff "test/testdata/BrittanyCRLF.formatted_range.hs" $ runSession hieCommand fullCaps "test/testdata" $ do
+        sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams (formatLspConfig "brittany"))
         doc <- openDoc "BrittanyCRLF.hs" "haskell"
         let range = Range (Position 1 0) (Position 2 22)
         formatRange doc (FormattingOptions 4 True) range
@@ -114,8 +145,6 @@ brittanyTests = testGroup "brittany" [
 ormoluTests :: TestTree
 ormoluTests = testGroup "ormolu" [
     goldenVsStringDiff "formats correctly" goldenGitDiff ("test/testdata/Format.ormolu." ++ ormoluGoldenSuffix ++ ".hs") $ runSession hieCommand fullCaps "test/testdata" $ do
-        let formatLspConfig provider =
-                object [ "haskell" .= object ["formattingProvider" .= (provider :: Value)] ]
         sendNotification WorkspaceDidChangeConfiguration (DidChangeConfigurationParams (formatLspConfig "ormolu"))
         doc <- openDoc "Format.hs" "haskell"
         formatDoc doc (FormattingOptions 2 True)
@@ -131,49 +160,12 @@ ormoluTests = testGroup "ormolu" [
 formatLspConfig :: Value -> Value
 formatLspConfig provider = object [ "haskell" .= object ["formattingProvider" .= (provider :: Value)] ]
 
+-- | The same as 'formatLspConfig' but using the legacy section name
+formatLspConfigOld :: Value -> Value
+formatLspConfigOld provider = object [ "languageServerHaskell" .= object ["formattingProvider" .= (provider :: Value)] ]
+
 formatConfig :: Value -> SessionConfig
 formatConfig provider = defaultConfig { lspConfig = Just (formatLspConfig provider) }
 
 goldenGitDiff :: FilePath -> FilePath -> [String]
 goldenGitDiff fRef fNew = ["git", "diff", "--no-index", "--text", "--exit-code", fRef, fNew]
-
-
-formattedBrittany :: T.Text
-formattedBrittany =
-  "module Format where\n\
-  \foo :: Int -> Int\n\
-  \foo 3 = 2\n\
-  \foo x = x\n\
-  \bar :: String -> IO String\n\
-  \bar s = do\n\
-  \  x <- return \"hello\"\n\
-  \  return \"asdf\"\n\n\
-  \data Baz = Baz { a :: Int, b :: String }\n\n"
-
-formattedFloskell :: T.Text
-formattedFloskell =
-  "module Format where\n\
-  \\n\
-  \foo :: Int -> Int\n\
-  \foo 3 = 2\n\
-  \foo x = x\n\
-  \\n\
-  \bar :: String -> IO String\n\
-  \bar s = do\n\
-  \  x <- return \"hello\"\n\
-  \  return \"asdf\"\n\n\
-  \data Baz = Baz { a :: Int, b :: String }\n\n"
-
-formattedBrittanyPostFloskell :: T.Text
-formattedBrittanyPostFloskell =
-  "module Format where\n\
-  \\n\
-  \foo :: Int -> Int\n\
-  \foo 3 = 2\n\
-  \foo x = x\n\
-  \\n\
-  \bar :: String -> IO String\n\
-  \bar s = do\n\
-  \  x <- return \"hello\"\n\
-  \  return \"asdf\"\n\n\
-  \data Baz = Baz { a :: Int, b :: String }\n\n"

test/testdata/BrittanyCRLF.formatted_document.hs

@@ -1,4 +1,4 @@
 foo :: Int -> String -> IO ()
 foo x y = do
-  print x
-  return 42
+    print x
+    return 42

test/testdata/BrittanyCRLF.formatted_range.hs

@@ -1,4 +1,4 @@
-foo :: Int -> String -> IO ()
+foo ::   Int   -> String-> IO ()
 foo x y = do
-  print x
-  return 42
+    print x
+    return 42

test/testdata/BrittanyLF.formatted_document.hs

@@ -1,4 +1,4 @@
 foo :: Int -> String -> IO ()
 foo x y = do
-  print x
-  return 42
+    print x
+    return 42

test/testdata/BrittanyLF.formatted_range.hs

@@ -1,4 +1,4 @@
-foo :: Int -> String -> IO ()
+foo ::   Int   -> String-> IO ()
 foo x y = do
-  print x
-  return 42
+    print x
+    return 42

test/testdata/Format.brittany.formatted.hs

@@ -0,0 +1,11 @@
+module Format where
+foo :: Int -> Int
+foo 3 = 2
+foo x = x
+bar :: String -> IO String
+bar s = do
+  x <- return "hello"
+  return "asdf"
+
+data Baz = Baz { a :: Int, b :: String }
+

test/testdata/Format.brittany_post_floskell.formatted.hs

@@ -0,0 +1,13 @@
+module Format where
+
+foo :: Int -> Int
+foo 3 = 2
+foo x = x
+
+bar :: String -> IO String
+bar s = do
+  x <- return "hello"
+  return "asdf"
+
+data Baz = Baz { a :: Int, b :: String }
+

test/testdata/Format.floskell.formatted.hs

@@ -0,0 +1,13 @@
+module Format where
+
+foo :: Int -> Int
+foo 3 = 2
+foo x = x
+
+bar :: String -> IO String
+bar s = do
+  x <- return "hello"
+  return "asdf"
+
+data Baz = Baz { a :: Int, b :: String }
+