Merge remote-tracking branch 'mrhania/testing-framework-improvements' into ghc-head

1 files changed, 48 insertions, 0 deletions

diff --git a/haddock-test/src/Test/Haddock/Process.hs b/haddock-test/src/Test/Haddock/Process.hs
new file mode 100644
index 00000000..ae720f6f
--- /dev/null
+++ b/haddock-test/src/Test/Haddock/Process.hs
@@ -0,0 +1,48 @@
+{-# LANGUAGE RecordWildCards #-}
+
+
+module Test.Haddock.Process where
+
+
+import Control.Monad
+
+import System.Exit
+import System.IO
+import System.Process
+
+
+type Environment = [(String, String)]
+
+
+data ProcessConfig = ProcessConfig
+    { pcArgs :: [String]
+    , pcWorkDir :: Maybe FilePath
+    , pcEnv :: Maybe Environment
+    , pcStdIn :: Maybe Handle
+    , pcStdOut :: Maybe Handle
+    , pcStdErr :: Maybe Handle
+    }
+
+
+processConfig :: ProcessConfig
+processConfig = ProcessConfig
+    { pcArgs = []
+    , pcWorkDir = Nothing
+    , pcEnv = Nothing
+    , pcStdIn = Nothing
+    , pcStdOut = Nothing
+    , pcStdErr = Nothing
+    }
+
+
+runProcess' :: FilePath -> ProcessConfig -> IO ProcessHandle
+runProcess' path (ProcessConfig { .. }) = runProcess
+    path pcArgs pcWorkDir pcEnv pcStdIn pcStdOut pcStdErr
+
+
+waitForSuccess :: String -> ProcessHandle -> IO ()
+waitForSuccess msg handle = do
+    result <- waitForProcess handle
+    unless (result == ExitSuccess) $ do
+        hPutStrLn stderr $ msg
+        exitFailure