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{-# LANGUAGE ScopedTypeVariables #-}
module TestUtils where
import Prelude ()
import Prelude.Compat
import Control.Monad
import Control.Monad.Trans.Maybe
import Control.Exception
import System.Process
import System.Directory
import System.Info
import System.Exit (exitFailure)
import System.IO (stderr, hPutStrLn)
findNodeProcess :: IO (Maybe String)
findNodeProcess = runMaybeT . msum $ map (MaybeT . findExecutable) names
where
names = ["nodejs", "node"]
-- |
-- Fetches code necessary to run the tests with. The resulting support code
-- should then be checked in, so that npm/bower etc is not required to run the
-- tests.
--
-- Simply rerun this (via ghci is probably easiest) when the support code needs
-- updating.
--
updateSupportCode :: IO ()
updateSupportCode = do
setCurrentDirectory "tests/support"
if System.Info.os == "mingw32"
then callProcess "setup-win.cmd" []
else do
callProcess "npm" ["install"]
-- bower uses shebang "/usr/bin/env node", but we might have nodejs
node <- maybe cannotFindNode pure =<< findNodeProcess
-- Sometimes we run as a root (e.g. in simple docker containers)
-- And we are non-interactive: https://github.com/bower/bower/issues/1162
callProcess node ["node_modules/.bin/bower", "--allow-root", "install", "--config.interactive=false"]
setCurrentDirectory "../.."
where
cannotFindNode :: IO a
cannotFindNode = do
hPutStrLn stderr "Cannot find node (or nodejs) executable"
exitFailure
-- |
-- The support modules that should be cached between test cases, to avoid
-- excessive rebuilding.
--
supportModules :: [String]
supportModules =
[ "Control.Alt"
, "Control.Alternative"
, "Control.Applicative"
, "Control.Apply"
, "Control.Biapplicative"
, "Control.Biapply"
, "Control.Bind"
, "Control.Category"
, "Control.Comonad"
, "Control.Extend"
, "Control.Lazy"
, "Control.Monad"
, "Control.Monad.Eff"
, "Control.Monad.Eff.Class"
, "Control.Monad.Eff.Console"
, "Control.Monad.Eff.Unsafe"
, "Control.Monad.ST"
, "Control.MonadPlus"
, "Control.MonadZero"
, "Control.Plus"
, "Control.Semigroupoid"
, "Data.Bifoldable"
, "Data.Bifunctor"
, "Data.Bifunctor.Clown"
, "Data.Bifunctor.Flip"
, "Data.Bifunctor.Join"
, "Data.Bifunctor.Joker"
, "Data.Bifunctor.Product"
, "Data.Bifunctor.Wrap"
, "Data.Bitraversable"
, "Data.Boolean"
, "Data.BooleanAlgebra"
, "Data.Bounded"
, "Data.CommutativeRing"
, "Data.Eq"
, "Data.EuclideanRing"
, "Data.Field"
, "Data.Foldable"
, "Data.Function"
, "Data.Function.Uncurried"
, "Data.Functor"
, "Data.Functor.Invariant"
, "Data.Generic.Rep"
, "Data.Generic.Rep.Eq"
, "Data.Generic.Rep.Monoid"
, "Data.Generic.Rep.Ord"
, "Data.Generic.Rep.Semigroup"
, "Data.Generic.Rep.Show"
, "Data.HeytingAlgebra"
, "Data.Maybe"
, "Data.Maybe.First"
, "Data.Maybe.Last"
, "Data.Monoid"
, "Data.Monoid.Additive"
, "Data.Monoid.Alternate"
, "Data.Monoid.Conj"
, "Data.Monoid.Disj"
, "Data.Monoid.Dual"
, "Data.Monoid.Endo"
, "Data.Monoid.Multiplicative"
, "Data.NaturalTransformation"
, "Data.Newtype"
, "Data.Ord"
, "Data.Ord.Unsafe"
, "Data.Ordering"
, "Data.Ring"
, "Data.Semigroup"
, "Data.Semiring"
, "Data.Show"
, "Data.Symbol"
, "Data.Traversable"
, "Data.Unit"
, "Data.Void"
, "Partial"
, "Partial.Unsafe"
, "Prelude"
, "Test.Assert"
, "Test.Main"
, "Type.Data.Ordering"
, "Type.Data.Symbol"
, "Type.Equality"
, "Type.Prelude"
, "Type.Proxy"
, "Unsafe.Coerce"
]
pushd :: forall a. FilePath -> IO a -> IO a
pushd dir act = do
original <- getCurrentDirectory
setCurrentDirectory dir
result <- try act :: IO (Either IOException a)
setCurrentDirectory original
either throwIO return result
|
