ghc-mod/test/CabalHelperSpec.hs

97 lines
3.6 KiB
Haskell
Raw Normal View History

2015-03-05 15:50:06 +00:00
module CabalHelperSpec where
import Control.Arrow
import Control.Applicative
2015-08-07 02:13:12 +00:00
import Distribution.Helper
import Language.Haskell.GhcMod.CabalHelper
import Language.Haskell.GhcMod.PathsAndFiles
2015-03-05 15:50:06 +00:00
import Language.Haskell.GhcMod.Error
import Test.Hspec
2015-08-07 02:13:12 +00:00
import System.Directory
import System.FilePath
import System.Process (readProcess, system)
2015-03-05 15:50:06 +00:00
2015-08-07 02:13:12 +00:00
import Dir
import TestUtils
2015-03-05 15:50:06 +00:00
import Data.List
import Config (cProjectVersionInt)
ghcVersion :: Int
ghcVersion = read cProjectVersionInt
gmeProcessException :: GhcModError -> Bool
gmeProcessException GMEProcess {} = True
gmeProcessException _ = False
pkgOptions :: [String] -> [String]
pkgOptions [] = []
pkgOptions (_:[]) = []
pkgOptions (x:y:xs) | x == "-package-id" = [name y] ++ pkgOptions xs
| otherwise = pkgOptions (y:xs)
where
stripDash s = maybe s id $ (flip drop s . (+1) <$> findIndex (=='-') s)
name s = reverse $ stripDash $ stripDash $ reverse s
idirOpts :: [(c, [String])] -> [(c, [String])]
idirOpts = map (second $ map (drop 2) . filter ("-i"`isPrefixOf`))
spec :: Spec
2015-08-07 02:13:12 +00:00
spec = do
describe "getComponents" $ do
it "throws an exception if the cabal file is broken" $ do
let tdir = "test/data/broken-cabal"
runD' tdir getComponents `shouldThrow` anyIOException
2015-03-05 15:50:06 +00:00
2015-08-07 02:13:12 +00:00
it "handles sandboxes correctly" $ do
let tdir = "test/data/cabal-project"
cwd <- getCurrentDirectory
2015-03-05 15:50:06 +00:00
2015-08-07 02:13:12 +00:00
-- TODO: ChSetupHsName should also have sandbox stuff, see related
-- comment in cabal-helper
opts <- map gmcGhcOpts . filter ((/= ChSetupHsName) . gmcName) <$> runD' tdir getComponents
2015-03-05 15:50:06 +00:00
2015-08-12 08:44:36 +00:00
bp <- buildPlatform readProcess
2015-08-07 02:13:12 +00:00
if ghcVersion < 706
2015-08-12 08:44:36 +00:00
then forM_ opts (\o -> o `shouldContain` ["-no-user-package-conf","-package-conf", cwd </> "test/data/cabal-project/.cabal-sandbox/"++ghcSandboxPkgDbDir bp])
else forM_ opts (\o -> o `shouldContain` ["-no-user-package-db","-package-db",cwd </> "test/data/cabal-project/.cabal-sandbox/"++ghcSandboxPkgDbDir bp])
2015-03-05 15:50:06 +00:00
2015-08-07 02:13:12 +00:00
it "extracts build dependencies" $ do
let tdir = "test/data/cabal-project"
opts <- map gmcGhcOpts <$> runD' tdir getComponents
let ghcOpts = head opts
pkgs = pkgOptions ghcOpts
pkgs `shouldBe` ["Cabal","base","template-haskell"]
2015-03-05 15:50:06 +00:00
2015-08-07 02:13:12 +00:00
it "uses non default flags" $ do
let tdir = "test/data/cabal-flags"
_ <- withDirectory_ tdir $
readProcess "cabal" ["configure", "-ftest-flag"] ""
opts <- map gmcGhcOpts <$> runD' tdir getComponents
let ghcOpts = head opts
pkgs = pkgOptions ghcOpts
pkgs `shouldBe` ["Cabal","base"]
describe "getCustomPkgDbStack" $ do
it "works" $ do
let tdir = "test/data/custom-cradle"
Just stack <- runD' tdir $ getCustomPkgDbStack
stack `shouldBe` [ GlobalDb
, UserDb
, PackageDb "package-db-a"
, PackageDb "package-db-b"
, PackageDb "package-db-c"
]
describe "getPackageDbStack'" $ do
it "fixes out of sync custom pkg-db stack" $ do
withDirectory_ "test/data/custom-cradle" $ do
_ <- system "cabal configure"
(s, s') <- runD $ do
Just stack <- getCustomPkgDbStack
withCabal $ do
stack' <- getPackageDbStack'
return (stack, stack')
s' `shouldBe` s