module NetSpider.RPL.CLISpec (main,spec) where

import Data.Monoid (mempty)
import qualified Options.Applicative as Opt
import Net.IPv6 (ipv6)
import NetSpider.CLI.Snapshot (makeSnapshotQuery)
import NetSpider.Query (startsFrom, defQuery)
import NetSpider.RPL.FindingID (IPv6ID(..))
import Test.Hspec

import NetSpider.RPL.CLI (optionParser, Cmd(..), CLIConfig(..))

main :: IO ()
main = hspec spec

runParser :: Opt.Parser a -> [String] -> Either String a
runParser opt args = toEither $ Opt.execParserPure prefs info args
  where
    prefs = Opt.prefs mempty
    info = Opt.info opt mempty
    toEither (Opt.Success a) = Right a
    toEither (Opt.Failure f) = Left $ show f
    toEither (Opt.CompletionInvoked c) = Left $ show c

spec :: Spec
spec = do
  describe "optionParser" $ do
    specify "--starts-from" $ do
      let parse_result = runParser optionParser ["snapshot", "-s", "fd00::212:4b00:13a4:c554"]
      case parse_result of
        Right (CLIConfig _ (CmdSnapshot got_cq)) -> do
          let got_s = fmap startsFrom $ makeSnapshotQuery (defQuery []) got_cq
          got_s `shouldBe` Right [IPv6ID $ ipv6 0xfd00 0 0 0 0x0212 0x4b00 0x13a4 0xc554]
        Right _ ->
          expectationFailure ("Unexpected CLIConfig obtained.")
        Left err ->
          expectationFailure (err)