ghc-mod/test/CradleSpec.hs
2014-10-30 01:10:56 +01:00

54 lines
2.4 KiB
Haskell

module CradleSpec where
import Control.Applicative
import Data.List (isSuffixOf)
import Language.Haskell.GhcMod.Cradle
import Language.Haskell.GhcMod.Types
import System.Directory (canonicalizePath,getCurrentDirectory)
import System.FilePath ((</>), pathSeparator)
import Test.Hspec
import Dir
spec :: Spec
spec = do
describe "findCradle" $ do
it "returns the current directory" $ do
withDirectory_ "/" $ do
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")
cradlePkgDbStack res `shouldBe` [GlobalDb, PackageDb (cwd </> "test/data/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d")]
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 cradle = cradle {
cradleCurrentDir = toRelativeDir dir $ cradleCurrentDir cradle
, cradleRootDir = toRelativeDir dir $ cradleRootDir cradle
, cradleCabalFile = toRelativeDir dir <$> cradleCabalFile cradle
}
-- Work around GHC 7.2.2 where `canonicalizePath "/"` returns "/.".
stripLastDot :: FilePath -> FilePath
stripLastDot path
| (pathSeparator:'.':"") `isSuffixOf` path = init path
| otherwise = path