import Test.HUnit
import Codec.Text.Raw (hexdumpBy)
import Data.Digest.SHA1 (hash,Word160(Word160))
import Text.PrettyPrint
import Data.Char (ord)
import Codec.Utils (toOctets)

testCases =
    [ ("Hello"         , "f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0")
    , ("haskell"       , "f0234175f95a989496bf7f5ba03dea4dbc773e58")
    , ("Cryptography"  , "b804ec5a0d83d19d8db908572f51196505d09f98")
    , ("Message Digest", "d52066b0fa1d68ef07eeab73031c3a3671298417")
    ]

testCases' =
   [ ([]     , "da39a3ee5e6b4b0d3255bfef95601890afd80709")
   , ([0xa8] , "99f2aa95e36f95c2acb0eaf23998f030638f3f15")
   , (toOctets 256 0x7e3a4c325cb9c52b88387f93d01ae86d42098f5efa7f9457388b5e74b6d28b2438d42d8b64703324d4aa25ab6aad153ae30cd2b2af4d5e5c00a8a2d0220c6116, "a3054427cdb13f164a610b348702724c808a0dcc")
   , (toOctets 256 0xec29561244ede706b6eb30a1c371d74450a105c3f9735f7fa9fe38cf67f304a5736a106e92e17139a6813b1c81a4f3d3fb9546ab4296fa9f722826c066869edacd73b2548035185813e22634a9da44000d95a281ff9f264ecce0a931222162d021cca28db5f3c2aa24945ab1e31cb413ae29810fd794cad5dfaf29ec43cb38d198fe4ae1da2359780221405bd6712a5305da4b1b737fce7cd21c0eb7728d08235a9011, "970111c4e77bcc88cc20459c02b69b4aa8f58217")
   , (toOctets 256 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, "dc5859dd5163c4354d5d577b855fa98e37f04384")
   , (toOctets 256 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, "4c17926feb6e87f5bca7890d8a5cde744f231dab")
   , (toOctets 256 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, "0eb8d69f6661b8124ddf76a635dc2821cbac32d7")
   ]

genTests' cases = 
   "SHA1" ~: map f cases
   where f (val, dgst) = dgst ~=? hexHash' val

hexHash' x =  
   let (Word160 a b c d e) = hash x in 
      render . (hexdumpBy "" 20) . concatMap (toOctets 256) $ [a,b,c,d,e]

main = runTestTT $ genTests' testCases'