ghc-mod/test/CradleSpec.hs
2013-09-05 16:47:52 +09:00

77 lines
3.1 KiB
Haskell

module CradleSpec where
import Control.Applicative
import Data.List (isPrefixOf)
import Language.Haskell.GhcMod
import System.Directory (canonicalizePath)
import System.FilePath (addTrailingPathSeparator, (</>))
import Test.Hspec
import Dir
spec :: Spec
spec = do
describe "findCradle" $ do
it "returns the current directory" $ do
withDirectory_ "/" $ do
curDir <- canonicalizePath "/"
res <- findCradle Nothing "7.4.1"
res `shouldBe` Cradle {
cradleCurrentDir = curDir
, cradleCabalDir = Nothing
, cradleCabalFile = Nothing
, cradlePackageConf = Nothing
}
it "finds a cabal file" $ do
withDirectory "test/data/subdir1/subdir2" $ \dir -> do
res <- relativeCradle dir <$> findCradle Nothing "7.4.1"
res `shouldBe` Cradle {
cradleCurrentDir = "test" </> "data" </> "subdir1" </> "subdir2"
, cradleCabalDir = Just ("test" </> "data")
, cradleCabalFile = Just ("test" </> "data" </> "cabalapi.cabal")
, cradlePackageConf = Nothing
}
it "finds a sandbox" $ do
withDirectory "test/data/subdir1/subdir2" $ \dir -> do
res <- relativeCradle dir <$> findCradle Nothing "7.6.3"
res `shouldBe` Cradle {
cradleCurrentDir = "test" </> "data" </> "subdir1" </> "subdir2"
, cradleCabalDir = Just ("test" </> "data")
, cradleCabalFile = Just ("test" </> "data" </> "cabalapi.cabal")
, cradlePackageConf = Just ("test" </> "data" </> ".cabal-sandbox" </> "i386-osx-ghc-7.6.3-packages.conf.d")
}
it "finds a sandbox if exists" $ do
withDirectory "/" $ \dir -> do
curDir <- canonicalizePath "/"
res <- relativeCradle dir <$> findCradle (Just $ addTrailingPathSeparator dir ++ ("test" </> "data" </> ".cabal-sandbox")) "7.6.3"
res `shouldBe` Cradle {
cradleCurrentDir = curDir
, cradleCabalDir = Nothing
, cradleCabalFile = Nothing
, cradlePackageConf = Just ("test" </> "data" </> ".cabal-sandbox" </> "i386-osx-ghc-7.6.3-packages.conf.d")
}
it "throws an error if the sandbox does not exist" $ do
withDirectory_ "/" $
findCradle (Just "/") "7.4.1" `shouldThrow` anyIOException
relativeCradle :: FilePath -> Cradle -> Cradle
relativeCradle dir cradle = Cradle {
cradleCurrentDir = toRelativeDir dir $ cradleCurrentDir cradle
, cradleCabalDir = toRelativeDir dir <$> cradleCabalDir cradle
, cradleCabalFile = toRelativeDir dir <$> cradleCabalFile cradle
, cradlePackageConf = toRelativeDir dir <$> cradlePackageConf cradle
}
toRelativeDir :: FilePath -> FilePath -> FilePath
toRelativeDir dir file
| dir' `isPrefixOf` file = drop len file
| otherwise = file
where
dir' = addTrailingPathSeparator dir
len = length dir'