102 lines
3.4 KiB
Haskell
102 lines
3.4 KiB
Haskell
{-# LANGUAGE CPP #-}
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module CabalHelperSpec where
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import Control.Arrow
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import Control.Applicative
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import Distribution.Helper hiding ( (<.>) )
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import GhcMod.CabalHelper
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import GhcMod.PathsAndFiles
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import GhcMod.Error
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import Test.Hspec
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import System.Directory
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import System.FilePath
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import System.Process
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import Prelude
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import Dir
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import TestUtils
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import Data.List
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import Config (cProjectVersionInt)
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ghcVersion :: Int
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ghcVersion = read cProjectVersionInt
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gmeProcessException :: GhcModError -> Bool
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gmeProcessException GMEProcess {} = True
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gmeProcessException _ = False
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pkgOptions :: [String] -> [String]
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pkgOptions [] = []
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pkgOptions (_:[]) = []
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pkgOptions (x:y:xs) | x == "-package-id" = [name y] ++ pkgOptions xs
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| otherwise = pkgOptions (y:xs)
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where
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stripDash s = maybe s id $ (flip drop s . (+1) <$> findIndex (=='-') s)
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#if __GLASGOW_HASKELL__ >= 800
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name s = reverse $ stripDash $ reverse s
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#else
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name s = reverse $ stripDash $ stripDash $ reverse s
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#endif
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idirOpts :: [(c, [String])] -> [(c, [String])]
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idirOpts = map (second $ map (drop 2) . filter ("-i"`isPrefixOf`))
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spec :: Spec
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spec = do
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describe "getComponents" $ do
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it "throws an exception if the cabal file is broken" $ do
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let tdir = "test/data/broken-cabal"
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runD' tdir getComponents `shouldThrow` anyIOException
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it "handles sandboxes correctly" $ do
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let tdir = "test/data/cabal-project"
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cwd <- getCurrentDirectory
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-- TODO: ChSetupHsName should also have sandbox stuff, see related
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-- comment in cabal-helper
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opts <- map gmcGhcOpts . filter ((/= ChSetupHsName) . gmcName) <$> runD' tdir getComponents
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bp <- buildPlatform readProcess
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if ghcVersion < 706
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then forM_ opts (\o -> o `shouldContain` ["-no-user-package-conf","-package-conf", cwd </> "test/data/cabal-project/.cabal-sandbox/"++ghcSandboxPkgDbDir bp])
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else forM_ opts (\o -> o `shouldContain` ["-no-user-package-db","-package-db",cwd </> "test/data/cabal-project/.cabal-sandbox/"++ghcSandboxPkgDbDir bp])
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#if !MIN_VERSION_ghc(7,8,0)
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it "handles stack project" $ do
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let tdir = "test/data/stack-project"
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[ghcOpts] <- map gmcGhcOpts . filter ((==ChExeName "new-template-exe") . gmcName) <$> runD' tdir getComponents
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let pkgs = pkgOptions ghcOpts
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sort pkgs `shouldBe` ["base", "bytestring"]
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#endif
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it "extracts build dependencies" $ do
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let tdir = "test/data/cabal-project"
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opts <- map gmcGhcOpts <$> runD' tdir getComponents
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let ghcOpts:_ = opts
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pkgs = pkgOptions ghcOpts
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pkgs `shouldBe` ["Cabal","base","template-haskell"]
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it "uses non default flags and preserves them across reconfigures" $ do
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let tdir = "test/data/cabal-flags"
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_ <- withDirectory_ tdir $
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readProcess "cabal" ["configure", "-ftest-flag"] ""
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let test = do
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opts <- map gmcGhcOpts <$> runD' tdir getComponents
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let ghcOpts = head opts
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pkgs = pkgOptions ghcOpts
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pkgs `shouldBe` ["Cabal","base"]
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test
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touch $ tdir </> "cabal-flags.cabal"
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test
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touch :: FilePath -> IO ()
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touch fn = do
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f <- readFile fn
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writeFile (fn <.> "tmp") f
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renameFile (fn <.> "tmp") fn
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