passman/test/Spec/JSON.hs

{-

passman
Copyright (C) Jonathan Lamothe
<jonathan@jlamothe.net>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this program.  If not, see
<https://www.gnu.org/licenses/>.

-}

module Spec.JSON (tests) where

import Data.Aeson (eitherDecode, encode, decode)
import qualified Data.ByteString.Lazy as B
import qualified Data.Map as M
import System.Random (mkStdGen, StdGen)
import Test.HUnit (Test (..), (~?=))

import Password

tests :: Test
tests = TestLabel "JSON" $ TestList [success, failure]

success :: Test
success = TestLabel "succeasful encoding/decoding" $
  eitherDecode (encode db) ~?= Right db

failure :: Test
failure = TestLabel "decoding failure" $
  (decode B.empty :: Maybe PWDatabase) ~?= Nothing

db :: M.Map String PWData
db = M.fromList
  [ ( "foo", foo )
  , ( "bar", bar )
  , ( "baz", baz )
  ]

foo :: PWData
g'  :: StdGen
(foo, g') = newPWData g

bar :: PWData
g'' :: StdGen
(bar, g'') = newPWData g'

baz :: PWData
(baz, _) = newPWData g''

g :: StdGen
g = mkStdGen 1

--jl