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{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE ViewPatterns #-}
{-# LANGUAGE FlexibleInstances #-}
{-# OPTIONS -fno-warn-orphans #-}
module Network.BitTorrent.Tracker.MessageSpec
( spec
, arbitrarySample
) where
import Control.Applicative
import Control.Exception
import Data.BEncode as BE
import Data.ByteString.Lazy as BL
import Data.List as L
import Data.Maybe
import Test.Hspec
import Test.QuickCheck
import Data.Torrent.InfoHashSpec ()
import Data.Torrent.ProgressSpec ()
import Network.BitTorrent.Core.PeerIdSpec ()
import Network.BitTorrent.Core.PeerAddrSpec ()
import Network.BitTorrent.Tracker.Message as Message
import Network.BitTorrent.Core
--prop_bencode :: Eq a => BEncode a => a -> Bool
--prop_bencode a = BE.decode (BL.toStrict (BE.encode a)) == return a
--prop_urlencode :: Eq a => URLDecoded a => URLEncoded a => a -> Bool
--prop_urlencode a = urlDecode (T.pack (urlEncode a)) == a
instance Arbitrary Event where
arbitrary = elements [minBound..maxBound]
instance Arbitrary AnnounceQuery where
arbitrary = AnnounceQuery
<$> arbitrary <*> arbitrary <*> arbitrary <*> arbitrary
<*> arbitrary <*> arbitrary <*> arbitrary
instance Arbitrary (PeerList IP) where
arbitrary = frequency
[ (1, (PeerList . maybeToList) <$> arbitrary)
, (1, (CompactPeerList . maybeToList . fmap zeroPeerId) <$> arbitrary)
]
shrink ( PeerList xs) = PeerList <$> shrink xs
shrink (CompactPeerList xs) = CompactPeerList <$> shrink xs
instance Arbitrary AnnounceInfo where
arbitrary = AnnounceInfo
<$> arbitrary <*> arbitrary <*> arbitrary <*> arbitrary
<*> arbitrary <*> arbitrary
arbitrarySample :: Arbitrary a => IO a
arbitrarySample = L.head <$> sample' arbitrary
zeroPeerId :: PeerAddr a -> PeerAddr a
zeroPeerId addr = addr { peerId = Nothing }
spec :: Spec
spec = do
describe "AnnounceQuery" $ do
it "properly url encoded" $ property $ \ q ->
parseAnnounceQuery (renderAnnounceQuery q)
`shouldBe` Right q
describe "PeerList" $ do
context "Non compact" $ do
it "properly encoded (both ipv4 and ipv6)" $ do
BE.decode "ld2:ip7:1.2.3.44:porti80eed2:ip3:::14:porti8080eee"
`shouldBe` Right
(PeerList ["1.2.3.4:80", "[::1]:8080"] :: PeerList IPv4)
it "properly encoded (iso)" $ property $ \ xs ->
BE.decode (BL.toStrict (BE.encode (PeerList xs :: PeerList IPv4)))
`shouldBe` Right (PeerList xs :: PeerList IPv4)
context "Compact" $ do
it "properly encodes (ipv4)" $ do
BE.decode "12:\x1\x2\x3\x4\x1\x2\x9\x8\x7\x6\x1\x2"
`shouldBe` Right
(CompactPeerList ["1.2.3.4:258", "9.8.7.6:258"] :: PeerList IPv4)
it "properly encodes (ipv6)" $ do
BE.decode "18:\x1\x2\x3\x4\x5\x6\x7\x8\x1\x2\x3\x4\x5\x6\x7\x8\x1\x2"
`shouldBe` Right
(CompactPeerList ["[102:304:506:708:102:304:506:708]:258"]
:: PeerList IPv6)
it "properly encoded (ipv4, iso)" $
property $ \ (fmap zeroPeerId -> xs) ->
BE.decode (BL.toStrict (BE.encode (CompactPeerList xs)))
`shouldBe` Right (CompactPeerList xs :: PeerList IPv4)
it "properly encoded (ipv6, iso)" $
property $ \ (fmap zeroPeerId -> xs) ->
BE.decode (BL.toStrict (BE.encode (CompactPeerList xs)))
`shouldBe` Right (CompactPeerList xs :: PeerList IPv6)
describe "AnnounceInfo" $ do
it "parses minimal sample" $ do
"d8:intervali0e5:peerslee"
`shouldBe`
AnnounceInfo Nothing Nothing 0 Nothing (PeerList []) Nothing
it "parses optional fields" $ do
"d8:completei1e\
\10:incompletei2e\
\8:intervali3e\
\12:min intervali4e\
\5:peersle\
\15:warning message3:str\
\e"
`shouldBe`
AnnounceInfo (Just 1) (Just 2) 3 (Just 4) (PeerList []) (Just "str")
it "parses failed response" $ do
"d14:failure reason10:any reasone"
`shouldBe`
Message.Failure "any reason"
it "fail if no peer list present" $ do
evaluate ("d8:intervali0ee" :: AnnounceInfo)
`shouldThrow`
errorCall "fromString: unable to decode AnnounceInfo: \
\required field `peers' not found"
it "parses `peer' list" $ do -- TODO
"d8:intervali0e\
\5:peersl\
\d2:ip7:1.2.3.4\
\4:porti80e\
\e\
\d2:ip3:::1\
\4:porti80e\
\e\
\e\
\e" `shouldBe`
let xs = PeerList ["1.2.3.4:80", "[::1]:80"] in
AnnounceInfo Nothing Nothing 0 Nothing xs Nothing
it "parses `peers6' list" $ do
"d8:intervali0e\
\5:peers0:\
\6:peers60:\
\e" `shouldBe`
AnnounceInfo Nothing Nothing 0 Nothing (CompactPeerList []) Nothing
it "fails on invalid combinations of the peer lists" $ do
BE.decode "d8:intervali0e\
\5:peers0:\
\6:peers6le\
\e"
`shouldBe` (Left
"PeerList: the `peers6' field value should contain \
\*compact* peer list" :: BE.Result AnnounceInfo)
BE.decode "d8:intervali0e\
\5:peersle\
\6:peers60:\
\e"
`shouldBe` (Left
"PeerList: non-compact peer list provided, \
\but the `peers6' field present" :: BE.Result AnnounceInfo)
it "properly bencoded (iso)" $ property $ \ info ->
BE.decode (BL.toStrict (BE.encode info))
`shouldBe` Right (info :: AnnounceInfo)
describe "Scrape" $ do
return ()
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