{-# LANGUAGE OverloadedStrings #-}

module B9.EnvironmentSpec
  ( spec,
  )
where

import B9.Environment
import Control.Eff
import Data.Text
import Test.Hspec

spec :: Spec
spec =
  describe "Environment"
    $ describe "addLocalPositionalArguments"
    $ do
      let k = 13 :: Integer
          j = 7 :: Integer
          n = 13 :: Integer
          args = [pack (show i) | i <- [1 .. n]]
          k_key = pack ("arg_" ++ show k)
          j_key = pack ("arg_" ++ show j)
          k_value = pack (show k)
          j_value = pack (show j)
          testEnv = addPositionalArguments args mempty
          inEnv = run . runEnvironmentReader testEnv
      it "generates keys prefixed with arg_ followed by an ascending numeric index, starting with 1" $
        let res = inEnv $ do
              ej_value <- lookupEither j_key
              ek_value <- lookupEither k_key
              e_arg_0 <- lookupEither "arg_0"
              return (ej_value, ek_value, e_arg_0)
         in res `shouldBe` (Right j_value, Right k_value, Left (MkKeyNotFound "arg_0" testEnv))
--                      run . runEnvironmentReader testEnv $ do