haskell-hexstring/test/Data/HexStringSpec.hs

module Data.HexStringSpec where

import           Data.HexString

import qualified Data.ByteString.Lazy.Char8 as BSL8
import qualified Data.Text             as T

import qualified Data.Binary as B ( encode )

import           Test.Hspec

spec :: Spec
spec = do
  describe "when decoding hex data" $ do
    it "should be able to parse basic hex data" $ do
      (B.encode . decodeString) "ffff"        `shouldBe` BSL8.pack "\255\255"
      (B.encode . decodeText) (T.pack "ffff") `shouldBe` BSL8.pack "\255\255"

    it "should be able to recode basic hex data to different formats" $ do
        (encodeText . decodeString) "ffff"   `shouldBe` T.pack "ffff"
        (encodeString . decodeString) "ffff" `shouldBe` "ffff"