ghc-mod/test/CradleSpec.hs

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module CradleSpec where
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import Control.Applicative
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import Language.Haskell.GhcMod.Cradle
import Language.Haskell.GhcMod.Types
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import System.Directory (canonicalizePath)
import System.FilePath ((</>))
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import Test.Hspec
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import Dir
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spec :: Spec
spec = do
describe "findCradle" $ do
it "returns the current directory" $ do
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withDirectory_ "/" $ do
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curDir <- canonicalizePath "/"
res <- findCradle
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res `shouldBe` Cradle {
cradleCurrentDir = curDir
, cradleCabalDir = Nothing
, cradleCabalFile = Nothing
, cradlePackageDbOpts = []
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}
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it "finds a cabal file and a sandbox" $ do
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withDirectory "test/data/subdir1/subdir2" $ \dir -> do
res <- relativeCradle dir <$> findCradle
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res `shouldBe` Cradle {
cradleCurrentDir = "test" </> "data" </> "subdir1" </> "subdir2"
, cradleCabalDir = Just ("test" </> "data")
, cradleCabalFile = Just ("test" </> "data" </> "cabalapi.cabal")
, cradlePackageDbOpts = ["-no-user-package-db", "-package-db", "test" </> "data" </> ".cabal-sandbox" </> "i386-osx-ghc-7.6.3-packages.conf.d"]
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}
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it "works even if a sandbox config file is broken" $ do
withDirectory "test/data/broken-sandbox" $ \dir -> do
res <- relativeCradle dir <$> findCradle
res `shouldBe` Cradle {
cradleCurrentDir = "test" </> "data" </> "broken-sandbox"
, cradleCabalDir = Just ("test" </> "data" </> "broken-sandbox")
, cradleCabalFile = Just ("test" </> "data" </> "broken-sandbox" </> "dummy.cabal")
, cradlePackageDbOpts = []
}
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describe "getPackageDbDir" $ do
it "parses a config file and extracts package db" $ do
pkgDb <- getPackageDbDir "test/data/cabal.sandbox.config"
pkgDb `shouldBe` "/Users/kazu/work/ghc-mod/test/data/.cabal-sandbox/i386-osx-ghc-7.6.3-packages.conf.d"
it "throws an error if a config file is broken" $ do
getPackageDbDir "test/data/bad.config" `shouldThrow` anyException
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relativeCradle :: FilePath -> Cradle -> Cradle
relativeCradle dir cradle = Cradle {
cradleCurrentDir = toRelativeDir dir $ cradleCurrentDir cradle
, cradleCabalDir = toRelativeDir dir <$> cradleCabalDir cradle
, cradleCabalFile = toRelativeDir dir <$> cradleCabalFile cradle
, cradlePackageDbOpts = map (toRelativeDir dir) (cradlePackageDbOpts cradle)
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}