ghc-mod/test/CradleSpec.hs
2015-11-27 11:15:25 +01:00

67 lines
2.3 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)
import System.FilePath (pathSeparator)
import Test.Hspec
import TestUtils
import Dir
clean_ :: IO Cradle -> IO Cradle
clean_ f = do
crdl <- f
cleanupCradle crdl
return crdl
relativeCradle :: FilePath -> Cradle -> Cradle
relativeCradle dir crdl = crdl {
cradleCurrentDir = toRelativeDir dir $ cradleCurrentDir crdl
, cradleRootDir = toRelativeDir dir $ cradleRootDir crdl
, cradleCabalFile = toRelativeDir dir <$> cradleCabalFile crdl
}
-- Work around GHC 7.2.2 where `canonicalizePath "/"` returns "/.".
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_ $ runGmOutDef findCradleNoLog
cradleCurrentDir res `shouldBe` curDir
cradleRootDir res `shouldBe` curDir
cradleCabalFile res `shouldBe` Nothing
it "finds a cabal file and a sandbox" $ do
withDirectory "test/data/cabal-project/subdir1/subdir2" $ \dir -> do
res <- relativeCradle dir <$> clean_ (runGmOutDef findCradleNoLog)
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")
it "works even if a sandbox config file is broken" $ do
withDirectory "test/data/broken-sandbox" $ \dir -> do
res <- relativeCradle dir <$> clean_ (runGmOutDef findCradleNoLog)
cradleCurrentDir res `shouldBe`
"test" </> "data" </> "broken-sandbox"
cradleRootDir res `shouldBe`
"test" </> "data" </> "broken-sandbox"
cradleCabalFile res `shouldBe`
Just ("test" </> "data" </> "broken-sandbox" </> "dummy.cabal")