Cleanup errors and logging a bit

.travis.yml

@@ -6,7 +6,11 @@ ghc:
 
 install:
   - cabal update
+#  - ( $CABAL122 && cabal install cabal-install --constraint "Cabal >= 1.22" && ghc-pkg unregister Cabal ) || true
+  - echo $PATH
+  - which cabal
   - cabal install happy --constraint 'transformers <= 0.3.0.0'
+  - cabal install Cabal --constraint "Cabal == $(cabal --version | grep 'Cabal library' | awk '{ print $3 }' | awk -vFS=. '{ print $1 "." $2 }' | tail -n1).*"
   - happy --version
   - cabal install -j --only-dependencies --enable-tests
 

Language/Haskell/GhcMod/Error.hs

@@ -35,7 +35,7 @@ module Language.Haskell.GhcMod.Error (
 
 import Control.Arrow
 import Control.Exception
-import Control.Monad.Error
+import Control.Monad.Error hiding (MonadIO, liftIO)
 import qualified Data.Set as Set
 import Data.List
 import Data.Version
@@ -49,9 +49,9 @@ import Config (cProjectVersion, cHostPlatformString)
 import Paths_ghc_mod (version)
 
 import Language.Haskell.GhcMod.Types
+import Language.Haskell.GhcMod.Monad.Types
 import Language.Haskell.GhcMod.Pretty
 
-
 type GmError m = MonadError GhcModError m
 
 gmCsfeDoc :: GMConfigStateFileError -> Doc
@@ -101,10 +101,15 @@ gmeDoc e = case e of
     GMECabalCompAssignment ctx ->
         text "Could not find a consistent component assignment for modules:" $$
           (nest 4 $ foldr ($+$) empty $ map ctxDoc ctx) $$
-        empty $$
+        text "" $$
-        text "Try this and that"
+        text "- Are you sure all these modules exist?" $$
+        text "- Maybe try enabling test suites and or benchmarks:" $$
+            nest 4 (backticks $ text "cabal configure --enable-tests --enable-benchmarks") $$
+        text "- To find out which components ghc-mod knows about try:" $$
+            nest 4 (backticks $ text "ghc-mod debug")
 
       where
+        backticks d = char '`' <> d <> char '`'
         ctxDoc = moduleDoc *** compsDoc
                  >>> first (<> colon) >>> uncurry (flip hang 4)
 
@@ -177,10 +182,11 @@ tryFix action f = do
 
 data GHandler m a = forall e . Exception e => GHandler (e -> m a)
 
-gcatches :: ExceptionMonad m => m a -> [GHandler m a] -> m a
+gcatches :: (MonadIO m, ExceptionMonad m) => m a -> [GHandler m a] -> m a
 gcatches io handlers = io `gcatch` gcatchesHandler handlers
 
-gcatchesHandler :: ExceptionMonad m => [GHandler m a] -> SomeException -> m a
+gcatchesHandler :: (MonadIO m, ExceptionMonad m)
+    => [GHandler m a] -> SomeException -> m a
 gcatchesHandler handlers e = foldr tryHandler (liftIO $ throw e) handlers
     where tryHandler (GHandler handler) res
               = case fromException e of

Language/Haskell/GhcMod/Logging.hs

@@ -54,5 +54,5 @@ gmLog level loc' doc = do
       msg = gmRenderDoc $ gmLogLevelDoc level <+> loc <+> doc
 
   when (Just level <= level') $
-       liftIO $ hPutStrLn stderr msg
+       liftIO $ hPutStr stderr msg
   gmlJournal (GhcModLog Nothing [(level, render loc, msg)])

Language/Haskell/GhcMod/PathsAndFiles.hs

@@ -29,6 +29,7 @@ import System.FilePath
 import System.IO.Unsafe
 
 import Language.Haskell.GhcMod.Types
+import Language.Haskell.GhcMod.Monad.Types
 import Language.Haskell.GhcMod.Error
 import Language.Haskell.GhcMod.Read
 import Language.Haskell.GhcMod.Utils hiding (dropWhileEnd)

Language/Haskell/GhcMod/Pretty.hs

@@ -17,6 +17,8 @@
 module Language.Haskell.GhcMod.Pretty where
 
 import Control.Arrow hiding ((<+>))
+import Data.Char
+import Data.List
 import Text.PrettyPrint
 
 import Language.Haskell.GhcMod.Types
@@ -56,7 +58,7 @@ warnDoc :: Doc -> Doc
 warnDoc d = text "Warning" <+>: d
 
 strDoc :: String -> Doc
-strDoc str = doc str
+strDoc str = doc (dropWhileEnd isSpace str)
  where
    doc :: String -> Doc
    doc = lines

Language/Haskell/GhcMod/Types.hs

@@ -68,7 +68,7 @@ defaultOptions :: Options
 defaultOptions = Options {
     outputStyle   = PlainStyle
   , lineSeparator = LineSeparator "\0"
-  , logLevel      = GmPanic
+  , logLevel      = GmException
 --  , ghcProgram    = "ghc"
   , cabalProgram  = "cabal"
   , ghcUserOptions= []

Language/Haskell/GhcMod/Utils.hs

@@ -25,6 +25,7 @@ import Control.Arrow
 import Control.Applicative
 import Data.Char
 import Language.Haskell.GhcMod.Error
+import Language.Haskell.GhcMod.Monad.Types
 import Exception
 import System.Directory (getCurrentDirectory, setCurrentDirectory, doesFileExist)
 import System.Process (readProcess)

SetupCompat.hs

@@ -15,12 +15,23 @@ import Distribution.Simple.Setup
 import Distribution.Simple.Install
 
 import qualified Data.Map as M
+import Data.Map (Map)
 
 
 import NotCPP.Declarations
 import Language.Haskell.TH
 
-$(ifndefD "componentsConfigs" [d| deriving instance (Ord ComponentName) |] )
+-- $(ifdefD "componentsConfigs" [d| deriving instance (Ord ComponentName) |] )
+
+$(ifD [d|
+
+ showComponentName :: ComponentName -> String
+ showComponentName CLibName          = "library"
+ showComponentName (CExeName   name) = "executable '" ++ name ++ "'"
+ showComponentName (CTestName  name) = "test suite '" ++ name ++ "'"
+ showComponentName (CBenchName name) = "benchmark '" ++ name ++ "'"
+
+ |])
 
 $(ifelsedefD "componentsConfigs" [d|
 
@@ -38,8 +49,7 @@ $(ifelsedefD "componentsConfigs" [d|
     -> LocalBuildInfo
  setComponentsConfigs lbi cs = flip execState lbi $ mapM setClbis gcs
   where
---   gcs :: [ [(ComponentLocalBuildInfo, ComponentName, a)] ]
+   gcs = groupBy (sameKind `on` fst3) $ sortBy (compare `on` showComponentName . fst3) cs
-   gcs = groupBy (sameKind `on` fst3) $ sortBy (compare `on` fst3) cs
 
    fst3 (x,_,_) = x
 
@@ -130,16 +140,17 @@ $(ifD [d|
 
 
 $(ifelsedefD "componentPackageRenaming" [d|
+ -- M.Map PackageName
+ newtype Deps = Deps  { unDeps :: ([(InstalledPackageId, PackageId)], Map PackageName $(cT "ModuleRenaming")) }
+-- $(return $ TySynD $(mkName "Deps") [] [t| |] )
 
- type Deps = ([(InstalledPackageId, PackageId)], M.Map PackageName $(cT "ModuleRenaming"))
+ noDeps = Deps ([], M.empty)
-
- noDeps = ([], M.empty)
 
  getDeps :: ComponentLocalBuildInfo -> Deps
- getDeps = componentPackageDeps &&& $(nE "componentPackageRenaming")
+ getDeps = componentPackageDeps &&& $(nE "componentPackageRenaming") >>> Deps
 
  setUnionDeps :: Deps -> ComponentLocalBuildInfo -> ComponentLocalBuildInfo
- setUnionDeps (deps, rns) clbi = let
+ setUnionDeps (Deps (deps, rns)) clbi = let
          clbi' = setComponentPackageRenaming clbi rns
          cpdeps = componentPackageDeps clbi
        in
@@ -166,15 +177,15 @@ $(ifelsedefD "componentPackageRenaming" [d|
 
  |] [d|
 
- type Deps = [(InstalledPackageId, PackageId)]
+ newtype Deps = Deps { unDeps :: [(InstalledPackageId, PackageId)] }
 
- noDeps = []
+ noDeps = Deps []
 
  getDeps :: ComponentLocalBuildInfo -> Deps
- getDeps lbi = componentPackageDeps lbi
+ getDeps lbi = Deps $ componentPackageDeps lbi
 
  setUnionDeps :: Deps -> ComponentLocalBuildInfo -> ComponentLocalBuildInfo
- setUnionDeps deps clbi = let
+ setUnionDeps (Deps deps) clbi = let
          cpdeps = componentPackageDeps clbi
        in
          clbi {

ghc-mod.cabal

@@ -5,6 +5,7 @@ Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
                         Alejandro Serrano <trupill@gmail.com>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                AGPL-3
+License-File:           LICENSE
 License-Files:          COPYING.BSD3 COPYING.AGPL3
 Homepage:               http://www.mew.org/~kazu/proj/ghc-mod/
 Synopsis:               Happy Haskell Programming
@@ -28,34 +29,42 @@ Data-Files:             elisp/Makefile
 Extra-Source-Files:     ChangeLog
                         SetupCompat.hs
                         NotCPP/*.hs
-			test/data/*.cabal
+                        test/data/annotations/*.hs
-                        test/data/*.hs
-                        test/data/cabal.sandbox.config.in
-                        test/data/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d/Cabal-1.18.1.3-2b161c6bf77657aa17e1681d83cb051b.conf
                         test/data/broken-cabal/*.cabal
                         test/data/broken-cabal/cabal.sandbox.config.in
-                        test/data/broken-sandbox/*.cabal
                         test/data/broken-sandbox/cabal.sandbox.config
+                        test/data/broken-sandbox/dummy.cabal
+                        test/data/cabal-flags/cabal-flags.cabal
+                        test/data/cabal-project/*.cabal
+                        test/data/cabal-project/*.hs
+                        test/data/cabal-project/cabal.sandbox.config.in
+                        test/data/cabal-project/subdir1/subdir2/dummy
                         test/data/case-split/*.hs
-                        test/data/cabal-flags/*.cabal
-                        test/data/check-test-subdir/*.cabal
-                        test/data/check-test-subdir/src/Check/Test/*.hs
-                        test/data/check-test-subdir/test/*.hs
-                        test/data/check-test-subdir/test/Bar/*.hs
                         test/data/check-packageid/cabal.sandbox.config.in
                         test/data/check-packageid/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d/template-haskell-2.8.0.0-32d4f24abdbb6bf41272b183b2e23e9c.conf
+                        test/data/check-test-subdir/*.cabal
+                        test/data/check-test-subdir/src/Check/Test/*.hs
                         test/data/duplicate-pkgver/cabal.sandbox.config.in
                         test/data/duplicate-pkgver/duplicate-pkgver.cabal
                         test/data/duplicate-pkgver/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d/template-haskell-1.0-7c59d13f32294d1ef6dc6233c24df961.conf
                         test/data/duplicate-pkgver/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d/template-haskell-2.8.0.0-14e543bdae2da4d2aeff5386892c9112.conf
                         test/data/duplicate-pkgver/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d/template-haskell-2.8.0.0-32d4f24abdbb6bf41272b183b2e23e9c.conf
-                        test/data/pattern-synonyms/*.cabal
+                        test/data/foreign-export/*.hs
-                        test/data/pattern-synonyms/*.hs
                         test/data/ghc-mod-check/*.cabal
                         test/data/ghc-mod-check/*.hs
-                        test/data/ghc-mod-check/Data/*.hs
+                        test/data/ghc-mod-check/lib/Data/*.hs
-                        test/data/subdir1/subdir2/dummy
+                        test/data/hlint/*.hs
-                        test/data/.cabal-sandbox/packages/00-index.tar
+                        test/data/home-module-graph/cpp/*.hs
+                        test/data/home-module-graph/cycle/*.hs
+                        test/data/home-module-graph/errors/*.hs
+                        test/data/home-module-graph/indirect/*.hs
+                        test/data/home-module-graph/indirect-update/*.hs
+                        test/data/import-cycle/*.hs
+                        test/data/non-exported/*.hs
+                        test/data/pattern-synonyms/*.cabal
+                        test/data/pattern-synonyms/*.hs
+                        test/data/quasi-quotes/*.hs
+                        test/data/template-haskell/*.hs
 
 Library
   Default-Language:     Haskell2010

test/BrowseSpec.hs

@@ -26,7 +26,8 @@ spec = do
             syms `shouldContain` ["Left :: a -> Either a b"]
 
     describe "`browse' in a project directory" $ do
-        it "lists symbols defined in a a local module (e.g. `Baz.baz)" $ do
+        it "can list symbols defined in a a local module" $ do
-            withDirectory_ "test/data" $ do
+            withDirectory_ "test/data/ghc-mod-check/lib" $ do
-                syms <- runD $ lines <$> browse "Baz"
+                syms <- runD $ lines <$> browse "Data.Foo"
-                syms `shouldContain` ["baz"]
+                syms `shouldContain` ["foo"]
+                syms `shouldContain` ["fibonacci"]

test/CabalApiSpec.hs

@@ -1,88 +0,0 @@
-{-# LANGUAGE ScopedTypeVariables #-}
-
-module CabalApiSpec where
-
-import Control.Applicative
-import Language.Haskell.GhcMod.CabalApi
-import Language.Haskell.GhcMod.Cradle
-import Language.Haskell.GhcMod.Types
-import Test.Hspec
-import System.Directory
-import System.FilePath
-
-import Dir
-import TestUtils
-
-import Config (cProjectVersionInt) -- ghc version
-
-ghcVersion :: Int
-ghcVersion = read cProjectVersionInt
-
-spec :: Spec
-spec = do
-    describe "parseCabalFile" $ do
-        it "throws an exception if the cabal file is broken" $ do
-            shouldReturnError $ do
-              withDirectory_ "test/data/broken-cabal" $ do
-                  crdl <- findCradle
-                  runD' $ parseCabalFile crdl "broken.cabal"
-
-
-    describe "getCompilerOptions" $ do
-        it "gets necessary CompilerOptions" $ do
-            cwd <- getCurrentDirectory
-            withDirectory "test/data/subdir1/subdir2" $ \dir -> do
-                crdl <- findCradle
-                let Just cabalFile = cradleCabalFile crdl
-                pkgDesc <- runD $ parseCabalFile crdl cabalFile
-                res <- runD $ getCompilerOptions [] crdl pkgDesc
-                let res' = res {
-                        ghcOptions  = ghcOptions res
-                      , includeDirs = map (toRelativeDir dir) (includeDirs res)
-                      }
-
-                let [fGlobalPkg, fNoUserPkg, fPkg, sb, _] = ghcOptions res'
-
-                sb `shouldSatisfy`
-                   isPkgConfDAt (cwd </> "test/data/.cabal-sandbox")
-
-                if ghcVersion < 706
-                  then do
-                    fGlobalPkg `shouldBe` "-global-package-conf"
-                    fNoUserPkg `shouldBe` "-no-user-package-conf"
-                    fPkg `shouldBe` "-package-conf"
-
-                  else do
-                    fGlobalPkg `shouldBe` "-global-package-db"
-                    fNoUserPkg `shouldBe` "-no-user-package-db"
-                    fPkg `shouldBe` "-package-db"
-
-                includeDirs res' `shouldBe` [
-                                     "test/data",
-                                     "test/data/dist/build",
-                                     "test/data/dist/build/autogen",
-                                     "test/data/subdir1/subdir2",
-                                     "test/data/test"]
-
-                (pkgName `map` depPackages res') `shouldContain` ["Cabal"]
-
-    describe "cabalSourceDirs" $ do
-        it "extracts all hs-source-dirs" $ do
-            crdl <- findCradle' "test/data/check-test-subdir"
-            let cabalFile = "test/data/check-test-subdir/check-test-subdir.cabal"
-            dirs <- cabalSourceDirs . cabalAllBuildInfo
-                    <$> runD (parseCabalFile crdl cabalFile)
-
-            dirs `shouldBe` ["src", "test"]
-
-        it "extracts all hs-source-dirs including \".\"" $ do
-            crdl <- findCradle' "test/data/"
-            dirs <- cabalSourceDirs . cabalAllBuildInfo
-                    <$> runD (parseCabalFile crdl "test/data/cabalapi.cabal")
-            dirs `shouldBe` [".", "test"]
-
-    describe "cabalAllBuildInfo" $ do
-        it "extracts build info" $ do
-            crdl <- findCradle' "test/data/"
-            info <- cabalAllBuildInfo <$> runD (parseCabalFile crdl "test/data/cabalapi.cabal")
-            show info `shouldBe` "[BuildInfo {buildable = True, buildTools = [], cppOptions = [], ccOptions = [], ldOptions = [], pkgconfigDepends = [], frameworks = [], cSources = [], hsSourceDirs = [\".\"], otherModules = [ModuleName [\"Browse\"],ModuleName [\"CabalApi\"],ModuleName [\"Cabal\"],ModuleName [\"CabalDev\"],ModuleName [\"Check\"],ModuleName [\"ErrMsg\"],ModuleName [\"Flag\"],ModuleName [\"GHCApi\"],ModuleName [\"GHCChoice\"],ModuleName [\"Gap\"],ModuleName [\"Info\"],ModuleName [\"Lang\"],ModuleName [\"Lint\"],ModuleName [\"List\"],ModuleName [\"Paths_ghc_mod\"],ModuleName [\"Types\"]], defaultLanguage = Nothing, otherLanguages = [], defaultExtensions = [], otherExtensions = [], oldExtensions = [], extraLibs = [], extraLibDirs = [], includeDirs = [], includes = [], installIncludes = [], options = [(GHC,[\"-Wall\"])], ghcProfOptions = [], ghcSharedOptions = [], customFieldsBI = [], targetBuildDepends = [Dependency (PackageName \"Cabal\") (UnionVersionRanges (ThisVersion (Version {versionBranch = [1,10], versionTags = []})) (LaterVersion (Version {versionBranch = [1,10], versionTags = []}))),Dependency (PackageName \"base\") (IntersectVersionRanges (UnionVersionRanges (ThisVersion (Version {versionBranch = [4,0], versionTags = []})) (LaterVersion (Version {versionBranch = [4,0], versionTags = []}))) (EarlierVersion (Version {versionBranch = [5], versionTags = []}))),Dependency (PackageName \"template-haskell\") AnyVersion]},BuildInfo {buildable = True, buildTools = [], cppOptions = [], ccOptions = [], ldOptions = [], pkgconfigDepends = [], frameworks = [], cSources = [], hsSourceDirs = [\"test\",\".\"], otherModules = [ModuleName [\"Expectation\"],ModuleName [\"BrowseSpec\"],ModuleName [\"CabalApiSpec\"],ModuleName [\"FlagSpec\"],ModuleName [\"LangSpec\"],ModuleName [\"LintSpec\"],ModuleName [\"ListSpec\"]], defaultLanguage = Nothing, otherLanguages = [], defaultExtensions = [], otherExtensions = [], oldExtensions = [], extraLibs = [], extraLibDirs = [], includeDirs = [], includes = [], installIncludes = [], options = [], ghcProfOptions = [], ghcSharedOptions = [], customFieldsBI = [], targetBuildDepends = [Dependency (PackageName \"Cabal\") (UnionVersionRanges (ThisVersion (Version {versionBranch = [1,10], versionTags = []})) (LaterVersion (Version {versionBranch = [1,10], versionTags = []}))),Dependency (PackageName \"base\") (IntersectVersionRanges (UnionVersionRanges (ThisVersion (Version {versionBranch = [4,0], versionTags = []})) (LaterVersion (Version {versionBranch = [4,0], versionTags = []}))) (EarlierVersion (Version {versionBranch = [5], versionTags = []})))]}]"

test/CheckSpec.hs

@@ -1,9 +1,9 @@
 {-# LANGUAGE CPP #-}
 module CheckSpec where
 
-import Data.List (isSuffixOf, isInfixOf, isPrefixOf)
+import Data.List (isInfixOf, isPrefixOf) --isSuffixOf,
 import Language.Haskell.GhcMod
-import System.FilePath
+--import System.FilePath
 import Test.Hspec
 
 import TestUtils
@@ -17,20 +17,21 @@ spec = do
                 res <- runD $ checkSyntax ["main.hs"]
                 res `shouldBe` "main.hs:5:1:Warning: Top-level binding with no type signature: main :: IO ()\n"
 
+
         it "works even if a module imports another module from a different directory" $ do
             withDirectory_ "test/data/check-test-subdir" $ do
                 res <- runD $ checkSyntax ["test/Bar/Baz.hs"]
                 res `shouldSatisfy` (("test" </> "Foo.hs:3:1:Warning: Top-level binding with no type signature: foo :: [Char]\n") `isSuffixOf`)
 
         it "detects cyclic imports" $ do
-            withDirectory_ "test/data" $ do
+            withDirectory_ "test/data/import-cycle" $ do
                 res <- runD $ checkSyntax ["Mutual1.hs"]
                 res `shouldSatisfy` ("Module imports form a cycle" `isInfixOf`)
 
         it "works with modules using QuasiQuotes" $ do
-            withDirectory_ "test/data" $ do
+            withDirectory_ "test/data/quasi-quotes" $ do
-                res <- runD $ checkSyntax ["Baz.hs"]
+                res <- runD $ checkSyntax ["QuasiQuotes.hs"]
-                res `shouldSatisfy` ("Baz.hs:5:1:Warning:" `isPrefixOf`)
+                res `shouldSatisfy` ("QuasiQuotes.hs:6:1:Warning:" `isInfixOf`)
 
 #if __GLASGOW_HASKELL__ >= 708
         it "works with modules using PatternSynonyms" $ do
@@ -40,12 +41,12 @@ spec = do
 #endif
 
         it "works with foreign exports" $ do
-            withDirectory_ "test/data" $ do
+            withDirectory_ "test/data/foreign-export" $ do
                 res <- runD $ checkSyntax ["ForeignExport.hs"]
                 res `shouldBe` ""
 
         context "when no errors are found" $ do
             it "doesn't output an empty line" $ do
-                withDirectory_ "test/data/ghc-mod-check/Data" $ do
+                withDirectory_ "test/data/ghc-mod-check/lib/Data" $ do
                     res <- runD $ checkSyntax ["Foo.hs"]
                     res `shouldBe` ""

test/CradleSpec.hs

@@ -4,54 +4,18 @@ import Control.Applicative
 import Data.List (isSuffixOf)
 import Language.Haskell.GhcMod.Cradle
 import Language.Haskell.GhcMod.Types
-import System.Directory (canonicalizePath,getCurrentDirectory)
+import System.Directory (canonicalizePath)
-import System.FilePath ((</>), pathSeparator)
+import System.FilePath (pathSeparator)
 import Test.Hspec
 
 import Dir
 import TestUtils
 
-spec :: Spec
+clean_ :: IO Cradle -> IO Cradle
-spec = do
+clean_ f = do
-    describe "findCradle" $ do
+  crdl <- f
-        it "returns the current directory" $ do
+  cleanupCradle crdl
-            withDirectory_ "/" $ do
+  return crdl
-                curDir <- stripLastDot <$> canonicalizePath "/"
-                res <- findCradle
-                cradleCurrentDir res `shouldBe` curDir
-                cradleRootDir    res `shouldBe` curDir
-                cradleCabalFile  res `shouldBe` Nothing
-                cradlePkgDbStack res `shouldBe` [GlobalDb,UserDb]
-
-        it "finds a cabal file and a sandbox" $ do
-            cwd <- getCurrentDirectory
-            withDirectory "test/data/subdir1/subdir2" $ \dir -> do
-                res <- relativeCradle dir <$> findCradle
-
-                cradleCurrentDir res `shouldBe`
-                    "test" </> "data" </> "subdir1" </> "subdir2"
-
-                cradleRootDir    res `shouldBe` "test" </> "data"
-
-                cradleCabalFile  res `shouldBe`
-                    Just ("test" </> "data" </> "cabalapi.cabal")
-
-                let [GlobalDb, sb] = cradlePkgDbStack res
-                sb `shouldSatisfy` isPkgDbAt (cwd </> "test/data/.cabal-sandbox")
-
-        it "works even if a sandbox config file is broken" $ do
-            withDirectory "test/data/broken-sandbox" $ \dir -> do
-                res <- relativeCradle dir <$> findCradle
-                cradleCurrentDir res `shouldBe`
-                    "test" </> "data" </> "broken-sandbox"
-
-                cradleRootDir    res `shouldBe`
-                    "test" </> "data" </> "broken-sandbox"
-
-                cradleCabalFile  res `shouldBe`
-                  Just ("test" </> "data" </> "broken-sandbox" </> "dummy.cabal")
-
-                cradlePkgDbStack res `shouldBe` [GlobalDb, UserDb]
 
 relativeCradle :: FilePath -> Cradle -> Cradle
 relativeCradle dir crdl = crdl {
@@ -65,3 +29,46 @@ stripLastDot :: FilePath -> FilePath
 stripLastDot path
   | (pathSeparator:'.':"") `isSuffixOf` path = init path
   | otherwise = path
+
+spec :: Spec
+spec = do
+    describe "findCradle" $ do
+        it "returns the current directory" $ do
+            withDirectory_ "/" $ do
+                curDir <- stripLastDot <$> canonicalizePath "/"
+                res <- clean_ findCradle
+                cradleCurrentDir res `shouldBe` curDir
+                cradleRootDir    res `shouldBe` curDir
+                cradleCabalFile  res `shouldBe` Nothing
+                cradlePkgDbStack res `shouldBe` [GlobalDb,UserDb]
+
+        it "finds a cabal file and a sandbox" $ do
+            cwd <- getCurrentDirectory
+            withDirectory "test/data/cabal-project/subdir1/subdir2" $ \dir -> do
+                res <- relativeCradle dir <$> clean_ findCradle
+
+                cradleCurrentDir res `shouldBe`
+                    "test/data/cabal-project/subdir1/subdir2"
+
+                cradleRootDir    res `shouldBe` "test/data/cabal-project"
+
+                cradleCabalFile  res `shouldBe`
+                    Just ("test/data/cabal-project/cabalapi.cabal")
+
+                let [GlobalDb, sb] = cradlePkgDbStack res
+                sb `shouldSatisfy`
+                   isPkgDbAt (cwd </> "test/data/cabal-project/.cabal-sandbox")
+
+        it "works even if a sandbox config file is broken" $ do
+            withDirectory "test/data/broken-sandbox" $ \dir -> do
+                res <- relativeCradle dir <$> clean_ findCradle
+                cradleCurrentDir res `shouldBe`
+                    "test" </> "data" </> "broken-sandbox"
+
+                cradleRootDir    res `shouldBe`
+                    "test" </> "data" </> "broken-sandbox"
+
+                cradleCabalFile  res `shouldBe`
+                  Just ("test" </> "data" </> "broken-sandbox" </> "dummy.cabal")
+
+                cradlePkgDbStack res `shouldBe` [GlobalDb, UserDb]

test/Dir.hs

@@ -1,9 +1,15 @@
-module Dir where
+module Dir (
+    module Dir
+  , getCurrentDirectory
+  , (</>)
+  ) where
 
 import Control.Exception as E
 import Data.List (isPrefixOf)
 import System.Directory
-import System.FilePath (addTrailingPathSeparator)
+import System.FilePath (addTrailingPathSeparator,(</>))
+
+
 
 withDirectory_ :: FilePath -> IO a -> IO a
 withDirectory_ dir action = bracket getCurrentDirectory

test/InfoSpec.hs

@@ -9,51 +9,43 @@ import System.Environment.Executable (getExecutablePath)
 #else
 import System.Environment (getExecutablePath)
 #endif
-import System.Exit
 import System.FilePath
-import System.Process
 import Test.Hspec
 import TestUtils
-import Dir
 
 spec :: Spec
 spec = do
     describe "types" $ do
         it "shows types of the expression and its outers" $ do
-            withDirectory_ "test/data/ghc-mod-check" $ do
+            let tdir = "test/data/ghc-mod-check"
-                res <- runD $ types "Data/Foo.hs" 9 5
+            res <- runD' tdir $ types "lib/Data/Foo.hs" 9 5
             res `shouldBe` "9 5 11 40 \"Int -> a -> a -> a\"\n7 1 11 40 \"Int -> Integer\"\n"
 
         it "works with a module using TemplateHaskell" $ do
-            withDirectory_ "test/data" $ do
+            let tdir = "test/data/template-haskell"
-                res <- runD $ types "Bar.hs" 5 1
+            res <- runD' tdir $ types "Bar.hs" 5 1
             res `shouldBe` unlines ["5 1 5 20 \"[Char]\""]
 
         it "works with a module that imports another module using TemplateHaskell" $ do
-            withDirectory_ "test/data" $ do
+            let tdir = "test/data/template-haskell"
-                res <- runD $ types "Main.hs" 3 8
+            res <- runD' tdir $ types "ImportsTH.hs" 3 8
             res `shouldBe` unlines ["3 8 3 16 \"String -> IO ()\"", "3 8 3 20 \"IO ()\"", "3 1 3 20 \"IO ()\""]
 
     describe "info" $ do
-        it "works for non-export functions" $ do
+        it "works for non exported functions" $ do
-            withDirectory_ "test/data" $ do
+            let tdir = "test/data/non-exported"
-                res <- runD $ info "Info.hs" "fib"
+            res <- runD' tdir $ info "Fib.hs" "fib"
             res `shouldSatisfy` ("fib :: Int -> Int" `isPrefixOf`)
 
         it "works with a module using TemplateHaskell" $ do
-            withDirectory_ "test/data" $ do
+            let tdir = "test/data/template-haskell"
-                res <- runD $ info "Bar.hs" "foo"
+            res <- runD' tdir $ info "Bar.hs" "foo"
             res `shouldSatisfy` ("foo :: ExpQ" `isPrefixOf`)
 
         it "works with a module that imports another module using TemplateHaskell" $ do
-            withDirectory_ "test/data" $ do
+            let tdir = "test/data/template-haskell"
-                res <- runD $ info "Main.hs" "bar"
+            res <- runD' tdir $ info "ImportsTH.hs" "bar"
             res `shouldSatisfy` ("bar :: [Char]" `isPrefixOf`)
 
-        it "doesn't fail on unicode output" $ do
-            dir <- getDistDir
-            code <- rawSystem (dir </> "build/ghc-mod/ghc-mod") ["info", "test/data/Unicode.hs", "Unicode", "unicode"]
-            code `shouldSatisfy` (== ExitSuccess)
-
 getDistDir :: IO FilePath
 getDistDir = takeDirectory . takeDirectory . takeDirectory <$> getExecutablePath

test/LintSpec.hs

@@ -8,10 +8,10 @@ spec :: Spec
 spec = do
     describe "lint" $ do
         it "can detect a redundant import" $ do
-            res <- runD $ lint "test/data/hlint.hs"
+            res <- runD $ lint "test/data/hlint/hlint.hs"
-            res `shouldBe` "test/data/hlint.hs:4:8: Error: Redundant do\NULFound:\NUL  do putStrLn \"Hello, world!\"\NULWhy not:\NUL  putStrLn \"Hello, world!\"\n"
+            res `shouldBe` "test/data/hlint/hlint.hs:4:8: Error: Redundant do\NULFound:\NUL  do putStrLn \"Hello, world!\"\NULWhy not:\NUL  putStrLn \"Hello, world!\"\n"
 
         context "when no suggestions are given" $ do
             it "doesn't output an empty line" $ do
-                res <- runD $ lint "test/data/ghc-mod-check/Data/Foo.hs"
+                res <- runD $ lint "test/data/ghc-mod-check/lib/Data/Foo.hs"
                 res `shouldBe` ""

test/Main.hs

@@ -4,6 +4,7 @@ import Dir
 
 import Control.Exception as E
 import Control.Monad (void)
+import Data.List
 import Language.Haskell.GhcMod (debugInfo)
 import System.Process
 import Test.Hspec
@@ -11,20 +12,35 @@ import TestUtils
 
 main :: IO ()
 main = do
-  let sandboxes = [ "test/data", "test/data/check-packageid"
+  let sandboxes = [ "test/data/cabal-project"
+                  , "test/data/check-packageid"
                   , "test/data/duplicate-pkgver/"
                   , "test/data/broken-cabal/"
                   ]
       genSandboxCfg dir = withDirectory dir $ \cwdir -> do
          system ("sed 's|@CWD@|" ++ cwdir ++ "|g' cabal.sandbox.config.in > cabal.sandbox.config")
       pkgDirs =
-        [ "test/data/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d"
+        [ "test/data/cabal-project/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d"
         , "test/data/check-packageid/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d"
         , "test/data/duplicate-pkgver/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d"]
       genGhcPkgCache dir = system $ "ghc-pkg recache --force -f" ++ dir
+
   genSandboxCfg `mapM_` sandboxes
   genGhcPkgCache `mapM_` pkgDirs
-  void $ system "find test \\( -name setup-config -o -name ghc-mod.cache \\) -exec rm {} \\;"
+
+  let caches = [ "setup-config"
+               , "setup-config.ghc-mod.cabal-ghc-options"
+               , "setup-config.ghc-mod.cabal-helper.ghc-options"
+               , "setup-config.ghc-mod.cabal-helper"
+               , "ghc-mod.cache"
+               ]
+      cachesFindExp :: String
+      cachesFindExp = unwords $ intersperse "-o " $ map ("-name "++) caches
+
+      cleanCmd = "find test \\( "++ cachesFindExp ++" \\) -exec rm {} \\;"
+
+  print cleanCmd
+  void $ system cleanCmd
   void $ system "cabal --version"
   putStrLn $ "ghc-mod was built with Cabal version " ++ VERSION_Cabal
   void $ system "ghc --version"

test/MonadSpec.hs

@@ -1,39 +1,17 @@
-{-# LANGUAGE ScopedTypeVariables #-}
 module MonadSpec where
 
 import Test.Hspec
-import Dir
 import TestUtils
-import Control.Applicative
-import Control.Exception
 import Control.Monad.Error.Class
 
 spec :: Spec
 spec = do
     describe "When using GhcModT in a do block" $
         it "a pattern match failure causes a call to `fail` on ErrorT in the monad stack" $ do
-             (a, _)
+             (a, _h)
                  <- runGhcModT defaultOptions $
                        do
                          Just _ <- return Nothing
                          return "hello"
                      `catchError` (const $ fail "oh noes")
              a `shouldBe` (Left $ GMEString "oh noes")
-
-    describe "runGhcModT" $
-        it "complains if the cabal file fails to parse while a sandbox is present" $ withDirectory_ "test/data/broken-cabal" $ do
-          shouldReturnError $ runD' (gmCradle <$> ask)
-
-    describe "gmsGet/Put" $
-        it "work" $ do
-          (runD $ gmsPut (GhcModState Intelligent) >> gmsGet)
-            `shouldReturn` (GhcModState Intelligent)
-
-    describe "liftIO" $ do
-        it "converts user errors to GhcModError" $ do
-            shouldReturnError $
-                runD' $ liftIO $ throw (userError "hello") >> return ""
-
-        it "converts a file not found exception to GhcModError" $ do
-            shouldReturnError $
-                runD' $ liftIO $ readFile "/DOES_NOT_EXIST" >> return ""

test/PathsAndFilesSpec.hs

@@ -1,10 +1,6 @@
-{-# LANGUAGE CPP #-}
 module PathsAndFilesSpec where
 
 import Language.Haskell.GhcMod.PathsAndFiles
-#if __GLASGOW_HASKELL__ <= 706
-import Language.Haskell.GhcMod.GhcPkg
-#endif
 
 import System.Directory
 import System.FilePath
@@ -14,32 +10,24 @@ import TestUtils
 spec :: Spec
 spec = do
     describe "getSandboxDb" $ do
--- ghc < 7.8
-#if __GLASGOW_HASKELL__ <= 706
-        it "does include a sandbox with ghc < 7.8" $ do
-           cwd <- getCurrentDirectory
-           [GlobalDb, sbPkgDb] <- getPackageDbStack "test/data/"
-           sbPkgDb `shouldSatisfy` isPkgDbAt (cwd </> "test/data/.cabal-sandbox")
-#endif
-
         it "can parse a config file and extract the sandbox package-db" $ do
             cwd <- getCurrentDirectory
-            Just db <- getSandboxDb "test/data/"
+            Just db <- getSandboxDb "test/data/cabal-project"
-            db `shouldSatisfy` isPkgDbAt (cwd </> "test/data/.cabal-sandbox")
+            db `shouldSatisfy` isPkgDbAt (cwd </> "test/data/cabal-project/.cabal-sandbox")
 
         it "returns Nothing if the sandbox config file is broken" $ do
             getSandboxDb "test/data/broken-sandbox" `shouldReturn` Nothing
 
     describe "findCabalFile" $ do
         it "works" $ do
-            findCabalFile "test/data" `shouldReturn` Just "test/data/cabalapi.cabal"
+            findCabalFile "test/data/cabal-project" `shouldReturn` Just "test/data/cabal-project/cabalapi.cabal"
 
         it "finds cabal files in parent directories" $ do
-            findCabalFile "test/data/subdir1/subdir2" `shouldReturn` Just "test/data/cabalapi.cabal"
+            findCabalFile "test/data/cabal-project/subdir1/subdir2" `shouldReturn` Just "test/data/cabal-project/cabalapi.cabal"
 
     describe "findCabalSandboxDir" $ do
         it "works" $ do
-            findCabalSandboxDir "test/data" `shouldReturn` Just "test/data"
+            findCabalSandboxDir "test/data/cabal-project" `shouldReturn` Just "test/data/cabal-project"
 
         it "finds sandboxes in parent directories" $ do
-            findCabalSandboxDir "test/data/subdir1/subdir2" `shouldReturn` Just "test/data"
+            findCabalSandboxDir "test/data/cabal-project/subdir1/subdir2" `shouldReturn` Just "test/data/cabal-project"

test/TestUtils.hs

@@ -1,11 +1,10 @@
+{-# OPTIONS_GHC -fno-warn-orphans #-}
 module TestUtils (
     run
   , runD
   , runD'
-  , runI
+  , runE
---  , runID
+  , runNullLog
-  , runIsolatedGhcMod
-  , isolateCradle
   , shouldReturnError
   , isPkgDbAt
   , isPkgConfDAt
@@ -13,18 +12,26 @@ module TestUtils (
   , module Language.Haskell.GhcMod.Types
   ) where
 
+import Language.Haskell.GhcMod.Logging
 import Language.Haskell.GhcMod.Monad
+import Language.Haskell.GhcMod.Cradle
 import Language.Haskell.GhcMod.Types
 
+import Control.Arrow
+import Control.Applicative
+import Control.Monad (when)
+import Control.Monad.Error (ErrorT, runErrorT)
+import Control.Monad.Trans.Journal
 import Data.List.Split
+import Data.String
 import System.FilePath
+import System.Directory
 import Test.Hspec
 
-isolateCradle :: IOish m => GhcModT m a -> GhcModT m a
+import Exception
-isolateCradle action =
+
-    local modifyEnv  $ action
+testLogLevel :: GmLogLevel
- where
+testLogLevel = GmException
-    modifyEnv e = e { gmCradle = (gmCradle e) { cradlePkgDbStack = [GlobalDb] } }
 
 extract :: Show e => IO (Either e a, w) -> IO a
 extract action = do
@@ -33,28 +40,46 @@ extract action = do
     Right a ->  return a
     Left e -> error $ show e
 
-runIsolatedGhcMod :: Options -> GhcModT IO a -> IO a
+withSpecCradle :: IOish m => FilePath -> (Cradle -> m a) -> m a
-runIsolatedGhcMod opt action = do
+withSpecCradle cradledir f =
-  extract $ runGhcModT opt $ isolateCradle action
+    gbracket (liftIO $ findSpecCradle cradledir) (liftIO . cleanupCradle) f
 
--- | Run GhcMod in isolated cradle with default options
+withGhcModEnvSpec :: IOish m => FilePath -> Options -> (GhcModEnv -> m a) -> m a
---runID :: GhcModT IO a -> IO a
+withGhcModEnvSpec dir opt f = withSpecCradle dir $ withGhcModEnv' opt f
---runID = runIsolatedGhcMod defaultOptions
 
--- | Run GhcMod in isolated cradle
+runGhcModTSpec :: Options -> GhcModT IO a -> IO (Either GhcModError a, GhcModLog)
-runI :: Options -> GhcModT IO a -> IO a
+runGhcModTSpec opt action = do
-runI = runIsolatedGhcMod
+  dir <- getCurrentDirectory
+  runGhcModTSpec' dir opt action
+
+runGhcModTSpec' :: IOish m
+    => FilePath -> Options -> GhcModT m b -> m (Either GhcModError b, GhcModLog)
+runGhcModTSpec' dir opt action = liftIO (canonicalizePath dir) >>= \dir' ->
+    withGhcModEnvSpec dir' opt $ \env -> do
+      first (fst <$>) <$> runGhcModT'' env defaultGhcModState
+        (gmSetLogLevel (logLevel opt) >> action)
 
 -- | Run GhcMod
 run :: Options -> GhcModT IO a -> IO a
-run opt a = extract $ runGhcModT opt a
+run opt a = extract $ runGhcModTSpec opt a
 
 -- | Run GhcMod with default options
 runD :: GhcModT IO a -> IO a
-runD = extract . runGhcModT defaultOptions
+runD =
+    extract . runGhcModTSpec defaultOptions { logLevel = testLogLevel }
 
-runD' :: GhcModT IO a -> IO (Either GhcModError a, GhcModLog)
+runD' :: FilePath -> GhcModT IO a -> IO a
-runD' = runGhcModT defaultOptions
+runD' dir =
+    extract . runGhcModTSpec' dir defaultOptions { logLevel = testLogLevel }
+
+runE :: ErrorT e IO a -> IO (Either e a)
+runE = runErrorT
+
+runNullLog :: MonadIO m => JournalT GhcModLog m a -> m a
+runNullLog action = do
+  (a,w) <- runJournalT action
+  when (w /= mempty) $ liftIO $ print w
+  return a
 
 shouldReturnError :: Show a
                   => IO (Either GhcModError a, GhcModLog)
@@ -80,3 +105,6 @@ isPkgConfDAt _ _ = False
 isPkgDbAt :: FilePath -> GhcPkgDb -> Bool
 isPkgDbAt d (PackageDb dir) = isPkgConfDAt d dir
 isPkgDbAt _ _ = False
+
+instance IsString ModuleName where
+    fromString = mkModuleName

test/UtilsSpec.hs

@@ -11,13 +11,3 @@ spec = do
         it "extracts the part of a string surrounded by parentheses" $ do
             extractParens "asdasdasd ( hello [ world ] )()() kljlkjlkjlk" `shouldBe` "( hello [ world ] )"
             extractParens "[(PackageName \"template-haskell\",InstalledPackageId \"template-haskell-2.9.0.0-8e2a49468f3b663b671c437d8579cd28\"),(PackageName \"base\",InstalledPackageId \"base-4.7.0.0-e4567cc9a8ef85f78696b03f3547b6d5\"),(PackageName \"Cabal\",InstalledPackageId \"Cabal-1.18.1.3-b9a44a5b15a8bce47d40128ac326e369\")][][]" `shouldBe` "[(PackageName \"template-haskell\",InstalledPackageId \"template-haskell-2.9.0.0-8e2a49468f3b663b671c437d8579cd28\"),(PackageName \"base\",InstalledPackageId \"base-4.7.0.0-e4567cc9a8ef85f78696b03f3547b6d5\"),(PackageName \"Cabal\",InstalledPackageId \"Cabal-1.18.1.3-b9a44a5b15a8bce47d40128ac326e369\")]"
-
-    describe "liftMonadError" $ do
-        it "converts IOErrors to GhcModError" $ do
-            shouldReturnError $
-                runD' $ liftIO $ throw (userError "hello") >> return ""
-
-            shouldReturnError $
-                runD' $ liftIO $ readFile "/DOES_NOT_EXIST" >> return ""
-
--- readProcessWithExitCode cmd opts ""

test/data/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d/Cabal-1.18.1.3-2b161c6bf77657aa17e1681d83cb051b.conf

@@ -1,4 +0,0 @@
-name: Cabal
-version: 1.18.1.3
-id: Cabal-1.18.1.3-2b161c6bf77657aa17e1681d83cb051b
-exposed: True

test/data/Bar.hs

@@ -1,5 +0,0 @@
-{-# LANGUAGE TemplateHaskell #-}
-module Bar (bar) where
-import Foo (foo)
-
-bar = $foo ++ "bar"

test/data/Baz.hs

@@ -1,5 +0,0 @@
-{-# LANGUAGE QuasiQuotes #-}
-module Baz (baz) where
-import Foo (fooQ)
-
-baz = [fooQ| foo bar baz |]

test/data/Foo.hs

@@ -1,9 +0,0 @@
-module Foo (foo, fooQ) where
-import Language.Haskell.TH
-import Language.Haskell.TH.Quote (QuasiQuoter(..))
-
-foo :: ExpQ
-foo = stringE "foo"
-
-fooQ :: QuasiQuoter
-fooQ = QuasiQuoter (litE . stringL) undefined undefined undefined

test/data/ForeignExport.hs

@@ -1,10 +0,0 @@
-{-# LANGUAGE ForeignFunctionInterface #-}
-
-module ForeignExport where
-
-import Foreign.C.Types
-
-foreign export ccall foo :: CUInt
-
-foo :: CUInt
-foo = 123

test/data/Info.hs

@@ -1,8 +0,0 @@
-{-# LANGUAGE TemplateHaskell #-} -- for HscInterpreted
-
-module Info () where
-
-fib :: Int -> Int
-fib 0 = 0
-fib 1 = 1
-fib n = fib (n - 1) + fib (n - 2)

test/data/Main.hs

@@ -1,3 +0,0 @@
-import Bar (bar)
-
-main = putStrLn bar

test/data/Mutual1.hs

@@ -1,5 +0,0 @@
-{-# LANGUAGE TemplateHaskell #-} -- for HscInterpreted
-
-module Mutual1 where
-
-import Mutual2

test/data/Mutual2.hs

@@ -1,3 +0,0 @@
-module Mutual2 where
-
-import Mutual1

test/data/Unicode.hs

@@ -1,4 +0,0 @@
-module Unicode where
-
-unicode :: α -> α
-unicode = id

test/data/bad.config

@@ -1 +0,0 @@
-broken

test/data/cabal.sandbox.config.in

@@ -1,25 +0,0 @@
--- This is a Cabal package environment file.
--- THIS FILE IS AUTO-GENERATED. DO NOT EDIT DIRECTLY.
--- Please create a 'cabal.config' file in the same directory
--- if you want to change the default settings for this sandbox.
-
-
-local-repo: @CWD@/test/data/.cabal-sandbox/packages
-logs-dir: @CWD@/test/data/.cabal-sandbox/logs
-world-file: @CWD@/test/data/.cabal-sandbox/world
-user-install: False
-package-db: @CWD@/test/data/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d
-build-summary: @CWD@/test/data/.cabal-sandbox/logs/build.log
-
-install-dirs
-  prefix: @CWD@/test/data/.cabal-sandbox
-  bindir: $prefix/bin
-  libdir: $prefix/lib
-  libsubdir: $arch-$os-$compiler/$pkgid
-  libexecdir: $prefix/libexec
-  datadir: $prefix/share
-  datasubdir: $arch-$os-$compiler/$pkgid
-  docdir: $datadir/doc/$arch-$os-$compiler/$pkgid
-  htmldir: $docdir/html
-  haddockdir: $htmldir
-  sysconfdir: $prefix/etc

test/data/cabalapi.cabal

@@ -1,67 +0,0 @@
-Name:                   ghc-mod
-Version:                1.11.3
-Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
-Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
-License:                BSD3
-License-File:           LICENSE
-Homepage:               http://www.mew.org/~kazu/proj/ghc-mod/
-Synopsis:               Happy Haskell programming on Emacs/Vim
-Description:            This packages includes Elisp files
-			and a Haskell command, "ghc-mod".
-			"ghc*.el" enable completion of
-			Haskell symbols on Emacs.
-                        Flymake is also integrated.
-			"ghc-mod" is a backend of "ghc*.el".
-			It lists up all installed modules
-                        or extracts names of functions, classes,
-                        and data declarations.
-                        To use "ghc-mod" on Vim,
-                        see <https://github.com/eagletmt/ghcmod-vim> or
-                        <https://github.com/scrooloose/syntastic>
-Category:               Development
-Cabal-Version:          >= 1.6
-Build-Type:             Simple
-Data-Dir:               elisp
-Data-Files:             Makefile ghc.el ghc-func.el ghc-doc.el ghc-comp.el
-                        ghc-flymake.el ghc-command.el ghc-info.el
-                        ghc-ins-mod.el ghc-indent.el
-Executable ghc-mod
-  Main-Is:              GHCMod.hs
-  Other-Modules:        Browse
-                        CabalApi
-                        Cabal
-                        CabalDev
-                        Check
-                        ErrMsg
-                        Flag
-                        GHCApi
-                        GHCChoice
-                        Gap
-                        Info
-                        Lang
-                        Lint
-                        List
-                        Paths_ghc_mod
-                        Types
-  GHC-Options:          -Wall
-  Build-Depends:        base >= 4.0 && < 5
-                      , Cabal >= 1.10
-                      , template-haskell
-
-Test-Suite spec
-  Main-Is:              Spec.hs
-  Hs-Source-Dirs:       test, .
-  Type:                 exitcode-stdio-1.0
-  Other-Modules:        Expectation
-                        BrowseSpec
-                        CabalApiSpec
-                        FlagSpec
-                        LangSpec
-                        LintSpec
-                        ListSpec
-  Build-Depends:        base >= 4.0 && < 5
-                      , Cabal >= 1.10
-
-Source-Repository head
-  Type:                 git
-  Location:             git://github.com/kazu-yamamoto/ghc-mod.git

test/data/ghc-mod-check/Data/Foo.hs

@@ -1,11 +0,0 @@
-module Data.Foo where
-
-foo :: Int
-foo = undefined
-
-fibonacci :: Int -> Integer
-fibonacci n = fib 1 0 1
-  where
-    fib m x y
-      | n == m    = y
-      | otherwise = fib (m+1) y (x + y)

test/data/ghc-mod-check/ghc-mod-check.cabal

@@ -15,8 +15,7 @@ build-type:          Simple
 cabal-version:       >=1.8
 
 library
-  -- exposed-modules:
+  HS-Source-Dirs:      lib
-  -- other-modules:
   build-depends:       base
   exposed-modules:     Data.Foo
 

test/data/hlint.hs

@@ -1,5 +0,0 @@
-module Hlist where
-
-main :: IO ()
-main = do
-    putStrLn "Hello, world!"

test/data/subdir1/subdir2/dummy

@@ -1 +0,0 @@
-dummy

test/doctests.hs

@@ -6,7 +6,7 @@ main :: IO ()
 main = doctest [
     "-package"
   , "ghc"
-  , "-XConstraintKinds", "-XFlexibleContexts"
+  , "-XConstraintKinds", "-XFlexibleContexts", "-XScopedTypeVariables", "-XRecordWildCards", "-XNamedFieldPuns"
   , "-idist/build/autogen/"
   , "-optP-include"
   , "-optPdist/build/autogen/cabal_macros.h"