{-

gemserv

Cooyright (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 Affero 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
Affero General Public License for more details.

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

-}

{-# LANGUAGE OverloadedStrings #-}

module Network.GemServ.InternalSpec (spec) where

import qualified Data.ByteString as BS
import Data.Char (ord)
import Data.Connection (Connection (..))
import System.IO.Streams (nullInput, unRead)
import Test.Hspec (Spec, context, describe, it, shouldReturn)

import Network.GemServ.Types
import Network.GemServ.Internal

spec :: Spec
spec = describe "Internal" $ do
  readURLSpec
  sendResponseSpec

readURLSpec :: Spec
readURLSpec = describe "readURL" $ mapM_
  ( \(desc, ioConn, expect) -> context desc $
    it ("should return " ++ show expect) $
      do
        conn <- ioConn
        readURL conn `shouldReturn` expect
  )

  --  description,       connection,  expected result
  [ ( "valid URL",       validConn,   Just validExp   )
  , ( "long URL",        longConn,    Just longExp    )
  , ( "too long URL",    tooLongConn, Nothing         )
  , ( "gibberish input", gibConn,     Nothing         )
  ]

  where
    validConn   = mkConn "gemini://example.com/\r\n"
    longConn    = mkConn longBS
    tooLongConn = mkConn tooLongBS
    gibConn     = mkConn "aosidjfwoeinboijwefr"
    longBS      = BS.pack (take 1024 bytes) <> "\r\n"
    tooLongBS   = BS.pack (take 1025 bytes) <> "\r\n"
    bytes       = BS.unpack prefix ++ repeat (fromIntegral $ ord 'A')
    validExp    = newGemURL "example.com"
    longExp     = validExp { gemPath = [longDir] }
    longDir     = replicate (1024 - BS.length prefix) 'A'
    prefix      = "gemini://example.com/"
    mkConn bs   = do
      s <- nullInput
      unRead bs s
      return sampleConnection { source = s }

sendResponseSpec :: Spec
sendResponseSpec = describe "sendResponse" $ return ()

sampleConnection :: Connection a
sampleConnection = Connection
  { source        = undefined
  , send          = undefined
  , close         = return ()
  , connExtraInfo = undefined
  }

--jl