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-- | Parsing options supplied on the command line
{-# LANGUAGE ScopedTypeVariables #-}
module Test.Tasty.CmdLine
( optionParser
, suiteOptions
, suiteOptionParser
, defaultMainWithIngredients
) where
import Options.Applicative
import Data.Monoid
import Data.Proxy
import Data.Foldable
import System.Exit
import Test.Tasty.Core
import Test.Tasty.Ingredients
import Test.Tasty.Options
import Test.Tasty.Options.Env
import Test.Tasty.Runners.Reducers
-- | Generate a command line parser from a list of option descriptions
optionParser :: [OptionDescription] -> Parser OptionSet
optionParser = getApp . foldMap toSet where
toSet :: OptionDescription -> Ap Parser OptionSet
toSet (Option (Proxy :: Proxy v)) = Ap $
(singleOption <$> (optionCLParser :: Parser v)) <|> pure mempty
-- | The command line parser for the test suite
suiteOptionParser :: [Ingredient] -> TestTree -> Parser OptionSet
suiteOptionParser ins tree = optionParser $ suiteOptions ins tree
-- | Parse the command line arguments and run the tests using the provided
-- ingredient list
defaultMainWithIngredients :: [Ingredient] -> TestTree -> IO ()
defaultMainWithIngredients ins testTree = do
cmdlineOpts <- execParser $
info (helper <*> suiteOptionParser ins testTree)
( fullDesc <>
header "Mmm... tasty test suite"
)
envOpts <- suiteEnvOptions ins testTree
let opts = envOpts <> cmdlineOpts
case tryIngredients ins opts testTree of
Nothing ->
putStrLn
"This doesn't taste right. Check your ingredients — did you forget a test reporter?"
Just act -> do
ok <- act
if ok then exitSuccess else exitFailure
|
