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{-# LANGUAGE StandaloneDeriving #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE OverloadedStrings #-}
module Main (main) where
import Control.Applicative
import Data.ByteString (ByteString)
import qualified Data.ByteString as B
import qualified Data.ByteString.Lazy as Lazy
import Data.List as L
import Data.Ord
import Data.Maybe
import Data.Word
import Data.Serialize as S
import Data.Text as T
import Network
import Network.URI
import Test.Framework (Test, defaultMain)
import Test.Framework.Providers.QuickCheck2 (testProperty)
import Test.QuickCheck
import Data.BEncode as BE
import Data.Bitfield as BF
import Data.Torrent
import Network.BitTorrent as BT
-- import Debug.Trace
data T a = T
instance Arbitrary URI where
arbitrary = pure $ fromJust
$ parseURI "http://exsample.com:80/123365_asd"
instance Arbitrary Text where
arbitrary = T.pack <$> arbitrary
{-----------------------------------------------------------------------
Bitfield
-----------------------------------------------------------------------}
-- other properties are tested in IntervalSet
prop_completenessRange :: Bitfield -> Bool
prop_completenessRange bf = 0 <= c && c <= 1
where
c = completeness bf
prop_minMax :: Bitfield -> Bool
prop_minMax bf
| BF.null bf = True
| otherwise = BF.findMin bf <= BF.findMax bf
prop_rarestInRange :: [Bitfield] -> Bool
prop_rarestInRange xs = case rarest xs of
Just r -> 0 <= r
&& r < totalCount (maximumBy (comparing totalCount) xs)
Nothing -> True
{- this one should give pretty good coverage -}
prop_differenceDeMorgan :: Bitfield -> Bitfield -> Bitfield -> Bool
prop_differenceDeMorgan a b c =
(a `BF.difference` (b `BF.intersection` c))
== ((a `BF.difference` b) `BF.union` (a `BF.difference` c))
&&
(a `BF.difference` (b `BF.union` c))
== ((a `BF.difference` b) `BF.intersection` (a `BF.difference` c))
{-----------------------------------------------------------------------
Torrent
-----------------------------------------------------------------------}
prop_properBEncode :: Show a => BEncodable a => Eq a => T a -> a -> Bool
prop_properBEncode _ expected = actual == Right expected
where
actual = decoded $ Lazy.toStrict $ encoded expected
-- TODO tests for torrent: encoding <-> decoding
instance Arbitrary FileInfo where
arbitrary = FileInfo <$> arbitrary <*> arbitrary <*> arbitrary
instance Arbitrary ContentInfo where
arbitrary = oneof
[ SingleFile <$> arbitrary <*> arbitrary <*> arbitrary
<*> arbitrary <*> arbitrary <*> arbitrary
, MultiFile <$> arbitrary <*> arbitrary <*> arbitrary
<*> arbitrary <*> arbitrary
]
instance Arbitrary Torrent where
arbitrary = torrent <$> arbitrary
<*> arbitrary <*> arbitrary <*> arbitrary
<*> arbitrary <*> arbitrary <*> arbitrary
<*> arbitrary <*> pure Nothing <*> arbitrary
{-----------------------------------------------------------------------
Handshake
-----------------------------------------------------------------------}
instance Arbitrary PeerID where
arbitrary = azureusStyle <$> pure defaultClientID
<*> arbitrary
<*> arbitrary
instance Arbitrary InfoHash where
arbitrary = (hash . B.pack) <$> arbitrary
instance Arbitrary Handshake where
arbitrary = defaultHandshake <$> arbitrary <*> arbitrary
prop_cerealEncoding :: (Serialize a, Eq a) => T a -> [a] -> Bool
prop_cerealEncoding _ msgs = S.decode (S.encode msgs) == Right msgs
{-----------------------------------------------------------------------
Tracker/Scrape
-----------------------------------------------------------------------}
-- | Note that in 6 esample we intensionally do not agree with
-- specification, because taking in account '/' in query parameter
-- seems to be meaningless. (And thats because other clients do not
-- chunk uri by parts) Moreover in practice there should be no
-- difference. (I think so)
--
test_scrape_url :: [Test]
test_scrape_url = L.zipWith mkTest [1 :: Int ..] (check `L.map` tests)
where
check (iu, ou) = (parseURI iu >>= (`scrapeURL` [])
>>= return . show) == ou
tests =
[ ( "http://example.com/announce"
, Just "http://example.com/scrape")
, ( "http://example.com/x/announce"
, Just "http://example.com/x/scrape")
, ( "http://example.com/announce.php"
, Just "http://example.com/scrape.php")
, ( "http://example.com/a" , Nothing)
, ( "http://example.com/announce?x2%0644"
, Just "http://example.com/scrape?x2%0644")
, ( "http://example.com/announce?x=2/4"
, Just "http://example.com/scrape?x=2/4")
-- , ("http://example.com/announce?x=2/4" , Nothing) -- by specs
, ("http://example.com/x%064announce" , Nothing)
]
mkTest i = testProperty ("scrape test #" ++ show i)
{-----------------------------------------------------------------------
P2P/message
-----------------------------------------------------------------------}
positive :: Gen Int
positive = fromIntegral <$> (arbitrary :: Gen Word32)
instance Arbitrary ByteString where
arbitrary = B.pack <$> arbitrary
instance Arbitrary BlockIx where
arbitrary = BlockIx <$> positive <*> positive <*> positive
instance Arbitrary Block where
arbitrary = Block <$> positive <*> positive <*> arbitrary
instance Arbitrary Bitfield where
arbitrary = mkBitfield <$> (succ . min 1000 <$> positive)
<*> arbitrary
instance Arbitrary PortNumber where
arbitrary = fromIntegral <$> (arbitrary :: Gen Word16)
instance Arbitrary Message where
arbitrary = oneof
[ pure KeepAlive
, pure Choke
, pure Unchoke
, pure Interested
, pure NotInterested
, Have <$> positive
, Bitfield <$> arbitrary
, Request <$> arbitrary
, Piece <$> arbitrary
, Cancel <$> arbitrary
, Port <$> arbitrary
]
{-----------------------------------------------------------------------
Main
-----------------------------------------------------------------------}
main :: IO ()
main = defaultMain $
[ -- bitfield module
testProperty "completeness range" prop_completenessRange
, testProperty "rarest in range" prop_rarestInRange
, testProperty "min less that max" prop_minMax
, testProperty "difference de morgan" prop_differenceDeMorgan
-- torrent module
, testProperty "file info encoding" $
prop_properBEncode (T :: T FileInfo)
, testProperty "content info encoding" $
prop_properBEncode (T :: T ContentInfo)
, testProperty "torrent encoding" $
prop_properBEncode (T :: T Torrent)
-- handshake module
, testProperty "handshake encoding" $
prop_cerealEncoding (T :: T Handshake)
, testProperty "message encoding" $
prop_cerealEncoding (T :: T Message)
] ++ test_scrape_url
|
