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{-# LANGUAGE FlexibleInstances #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
module Network.BitTorrent.Core.PeerAddrSpec (spec) where
import Control.Applicative
import Data.BEncode as BE
import Data.ByteString.Lazy as BL
import Data.IP
import Data.Serialize as S
import Data.Word
import Network
import Test.Hspec
import Test.QuickCheck
import Network.BitTorrent.Core.PeerIdSpec hiding (spec)
import Network.BitTorrent.Core.PeerAddr
instance Arbitrary IPv4 where
arbitrary = do
a <- choose (0, 255)
b <- choose (0, 255)
c <- choose (0, 255)
d <- choose (0, 255)
return $ toIPv4 [a, b, c, d]
instance Arbitrary IPv6 where
arbitrary = do
a <- choose (0, fromIntegral (maxBound :: Word16))
b <- choose (0, fromIntegral (maxBound :: Word16))
c <- choose (0, fromIntegral (maxBound :: Word16))
d <- choose (0, fromIntegral (maxBound :: Word16))
e <- choose (0, fromIntegral (maxBound :: Word16))
f <- choose (0, fromIntegral (maxBound :: Word16))
g <- choose (0, fromIntegral (maxBound :: Word16))
h <- choose (0, fromIntegral (maxBound :: Word16))
return $ toIPv6 [a, b, c, d, e, f, g, h]
instance Arbitrary IP where
arbitrary = frequency
[ (1, IPv4 <$> arbitrary)
, (1, IPv6 <$> arbitrary)
]
instance Arbitrary PortNumber where
arbitrary = fromIntegral <$> (arbitrary :: Gen Word16)
instance Arbitrary a => Arbitrary (PeerAddr a) where
arbitrary = PeerAddr <$> arbitrary <*> arbitrary <*> arbitrary
spec :: Spec
spec = do
describe "PortNumber" $ do
it "properly serialized" $ do
S.decode "\x1\x2" `shouldBe` Right (258 :: PortNumber)
S.encode (258 :: PortNumber) `shouldBe` "\x1\x2"
it "properly bencoded" $ do
BE.decode "i80e" `shouldBe` Right (80 :: PortNumber)
it "fail if port number is invalid" $ do
(BE.decode "i-10e" :: BE.Result PortNumber)
`shouldBe`
Left "fromBEncode: unable to decode PortNumber: -10"
(BE.decode "i70000e" :: BE.Result PortNumber)
`shouldBe`
Left "fromBEncode: unable to decode PortNumber: 70000"
describe "Peer IPv4" $ do
it "properly serialized" $ do
S.decode "\x1\x2\x3\x4" `shouldBe` Right (toIPv4 [1, 2, 3, 4])
S.encode (toIPv4 [1, 2, 3, 4]) `shouldBe` "\x1\x2\x3\x4"
it "properly serialized (iso)" $ property $ \ ip -> do
S.decode (S.encode ip) `shouldBe` Right (ip :: IPv4)
it "properly bencoded" $ do
BE.decode "11:168.192.0.1" `shouldBe` Right (toIPv4 [168, 192, 0, 1])
BE.encode (toIPv4 [168, 192, 0, 1]) `shouldBe` "11:168.192.0.1"
it "properly bencoded (iso)" $ property $ \ ip ->
BE.decode (BL.toStrict (BE.encode ip)) `shouldBe` Right (ip :: IPv4)
it "fail gracefully on invalid strings" $ do
BE.decode "3:1.1" `shouldBe`
(Left "fromBEncode: unable to decode IP: 1.1" :: BE.Result IPv4)
it "fail gracefully on invalid bencode" $ do
BE.decode "i10e" `shouldBe`
(Left "fromBEncode: unable to decode IP: addr should be a bstring"
:: BE.Result IPv4)
describe "Peer IPv6" $ do
it "properly serialized" $ do
S.decode "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10"
`shouldBe`
Right ("102:304:506:708:90a:b0c:d0e:f10" :: IPv6)
S.encode ("102:304:506:708:90a:b0c:d0e:f10" :: IPv6)
`shouldBe`
"\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10"
it "properly serialized iso" $ property $ \ ip ->
S.decode (S.encode ip) `shouldBe` Right (ip :: IPv6)
it "properly bencoded" $ do
BE.decode "3:::1" `shouldBe` Right (toIPv6 [0, 0, 0, 0, 0, 0, 0, 1])
BE.encode (toIPv6 [0, 0, 0, 0, 0, 0, 0, 1]) `shouldBe`
"23:00:00:00:00:00:00:00:01"
BE.decode "23:00:00:00:00:00:00:00:01"
`shouldBe`
Right (toIPv6 [0, 0, 0, 0, 0, 0, 0, 1])
it "properly bencoded iso" $ property $ \ ip ->
BE.decode (BL.toStrict (BE.encode ip)) `shouldBe` Right (ip :: IPv4)
it "fail gracefully on invalid strings" $ do
BE.decode "4:g::1" `shouldBe`
(Left "fromBEncode: unable to decode IP: g::1" :: BE.Result IPv6)
it "fail gracefully on invalid bencode" $ do
BE.decode "i10e" `shouldBe`
(Left "fromBEncode: unable to decode IP: addr should be a bstring"
:: BE.Result IPv6)
describe "Peer IP" $ do
it "properly bencoded" $ do
BE.decode "11:168.192.0.1" `shouldBe`
Right (IPv4 (toIPv4 [168, 192, 0, 1]))
BE.decode "3:::1" `shouldBe` Right
(IPv6 (toIPv6 [0, 0, 0, 0, 0, 0, 0, 1]))
BE.encode (IPv6 (toIPv6 [0, 0, 0, 0, 0, 0, 0, 1])) `shouldBe`
"23:00:00:00:00:00:00:00:01"
BE.decode "23:00:00:00:00:00:00:00:01"
`shouldBe`
Right (IPv6 (toIPv6 [0, 0, 0, 0, 0, 0, 0, 1]))
it "properly bencoded iso" $ property $ \ ip ->
BE.decode (BL.toStrict (BE.encode ip)) `shouldBe` Right (ip :: IP)
it "fail gracefully on invalid strings" $ do
BE.decode "4:g::1" `shouldBe`
(Left "fromBEncode: unable to decode IP: g::1" :: BE.Result IP)
it "fail gracefully on invalid bencode" $ do
BE.decode "i10e" `shouldBe`
(Left "fromBEncode: unable to decode IP: addr should be a bstring"
:: BE.Result IP)
describe "PeerAddr" $ do
it "IsString" $ do
("127.0.0.1:80" :: PeerAddr IP)
`shouldBe` PeerAddr Nothing "127.0.0.1" 80
("127.0.0.1:80" :: PeerAddr IPv4)
`shouldBe` PeerAddr Nothing "127.0.0.1" 80
("[::1]:80" :: PeerAddr IP)
`shouldBe` PeerAddr Nothing "::1" 80
("[::1]:80" :: PeerAddr IPv6)
`shouldBe` PeerAddr Nothing "::1" 80
it "properly bencoded (iso)" $ property $ \ addr ->
BE.decode (BL.toStrict (BE.encode addr))
`shouldBe` Right (addr :: PeerAddr IP)
it "properly bencoded (ipv4)" $ do
BE.decode "d7:peer id20:01234567890123456789\
\2:ip11:168.192.0.1\
\4:porti6881e\
\e"
`shouldBe`
Right (PeerAddr (Just "01234567890123456789")
(IPv4 (toIPv4 [168, 192, 0, 1]))
6881)
it "properly bencoded (ipv6)" $ do
BE.decode "d7:peer id20:01234567890123456789\
\2:ip3:::1\
\4:porti6881e\
\e"
`shouldBe`
Right (PeerAddr (Just "01234567890123456789")
(IPv6 (toIPv6 [0, 0, 0, 0, 0, 0, 0, 1]))
6881)
it "peer id is optional" $ do
BE.decode "d2:ip11:168.192.0.1\
\4:porti6881e\
\e"
`shouldBe`
Right (PeerAddr Nothing (IPv4 (toIPv4 [168, 192, 0, 1])) 6881)
it "has sock addr for both ipv4 and ipv6" $ do
show (peerSockAddr "128.0.0.1:80") `shouldBe` "128.0.0.1:80"
show (peerSockAddr "[::1]:8080" ) `shouldBe` "[::1]:8080"
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