From 11987749fc6e6d3e53ea737d46d5ab13a16faeb8 Mon Sep 17 00:00:00 2001
From: James Crayne <jim.crayne@gmail.com>
Date: Sat, 28 Sep 2019 13:43:29 -0400
Subject: Factor out some new libraries

	word64-map:
		Data.Word64Map
	network-addr:
		Network.Address
	tox-crypto:
		Crypto.Tox
	lifted-concurrent:
		Control.Concurrent.Lifted.Instrument
		Control.Concurrent.Async.Lifted.Instrument
	psq-wrap:
		Data.Wrapper.PSQInt
		Data.Wrapper.PSQ
	minmax-psq:
		Data.MinMaxPSQ
        tasks:
                Control.Concurrent.Tasks
	kad:
		Network.Kademlia
		Network.Kademlia.Bootstrap
		Network.Kademlia.Routing
		Network.Kademlia.CommonAPI
		Network.Kademlia.Persistence
		Network.Kademlia.Search
---
 dht/bittorrent/tests/Data/TorrentSpec.hs | 139 +++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 dht/bittorrent/tests/Data/TorrentSpec.hs

(limited to 'dht/bittorrent/tests/Data/TorrentSpec.hs')

diff --git a/dht/bittorrent/tests/Data/TorrentSpec.hs b/dht/bittorrent/tests/Data/TorrentSpec.hs
new file mode 100644
index 00000000..b4a280e4
--- /dev/null
+++ b/dht/bittorrent/tests/Data/TorrentSpec.hs
@@ -0,0 +1,139 @@
+{-# LANGUAGE TypeSynonymInstances       #-}
+{-# LANGUAGE GeneralizedNewtypeDeriving #-}
+{-# LANGUAGE StandaloneDeriving         #-}
+{-# OPTIONS -fno-warn-orphans           #-}
+module Data.TorrentSpec (spec) where
+import Control.Applicative
+import Data.BEncode
+import Data.ByteString as BS
+import Data.ByteString.Lazy as BL
+import Data.Convertible
+import Data.Maybe
+import Data.Monoid
+import Data.Time
+import Network.URI
+import System.FilePath
+import System.Posix.Types
+import Test.Hspec
+import Test.QuickCheck
+import Test.QuickCheck.Instances ()
+
+import Data.Torrent
+import Network.BitTorrent.CoreSpec ()
+
+
+pico :: Gen (Maybe NominalDiffTime)
+pico = oneof
+  [ pure Nothing
+  , (Just . fromIntegral) <$> (arbitrary :: Gen Int)
+  ]
+
+instance Arbitrary COff where
+  arbitrary = fromIntegral <$> (arbitrary :: Gen Int)
+
+instance Arbitrary URIAuth where
+  arbitrary = URIAuth <$> arbitrary <*> arbitrary <*> arbitrary
+
+instance Arbitrary URI where
+  arbitrary
+    = pure $ fromJust $ parseURI "http://ietf.org/1737.txt?a=1&b=h#123"
+
+instance Arbitrary InfoHash where
+  arbitrary = do
+    bs <- BS.pack <$> vectorOf 20 arbitrary
+    pure $ either (const (error "arbitrary infohash")) id $ safeConvert bs
+
+instance Arbitrary a => Arbitrary (FileInfo a) where
+  arbitrary = FileInfo <$> arbitrary <*> arbitrary <*> arbitrary
+
+instance Arbitrary LayoutInfo where
+  arbitrary = oneof
+    [ SingleFile <$> arbitrary
+    , MultiFile  <$> arbitrary <*> arbitrary
+    ]
+
+instance Arbitrary a => Arbitrary (Piece a) where
+  arbitrary = Piece <$> arbitrary <*> arbitrary
+
+instance Arbitrary HashList where
+  arbitrary = HashList <$> arbitrary
+
+instance Arbitrary PieceInfo where
+  arbitrary = PieceInfo <$> arbitrary <*> arbitrary
+
+instance Arbitrary InfoDict where
+  arbitrary = infoDictionary <$> arbitrary <*> arbitrary <*> arbitrary
+
+instance Arbitrary Torrent where
+  arbitrary = Torrent <$> arbitrary
+                 <*> arbitrary <*> arbitrary    <*> arbitrary
+                 <*> pico      <*> arbitrary    <*> arbitrary
+                 <*> arbitrary
+                 <*> arbitrary <*> pure Nothing <*> arbitrary
+
+instance Arbitrary Magnet where
+  arbitrary = Magnet <$> arbitrary <*> arbitrary
+    <*> arbitrary <*> arbitrary <*> arbitrary <*> arbitrary
+    <*> arbitrary <*> arbitrary <*> pure mempty
+
+type TestPair = (FilePath, String)
+
+-- TODO add a few more torrents here
+torrentList :: [TestPair]
+torrentList =
+  [ ( "res" </> "dapper-dvd-amd64.iso.torrent"
+    , "0221caf96aa3cb94f0f58d458e78b0fc344ad8bf")
+  ]
+
+infohashSpec :: (FilePath, String) -> Spec
+infohashSpec (filepath, expectedHash) = do
+  it ("should match " ++ filepath) $ do
+    torrent    <- fromFile filepath
+    let actualHash = show $ idInfoHash $ tInfoDict torrent
+    actualHash `shouldBe` expectedHash
+
+magnetEncoding :: Magnet -> IO ()
+magnetEncoding m = parseMagnet (renderMagnet m) `shouldBe` Just m
+
+data T a = T
+
+prop_properBEncode :: Show a => BEncode a => Eq a
+                   => T a -> a -> IO ()
+prop_properBEncode _ expected = actual `shouldBe` Right expected
+  where
+    actual = decode $ BL.toStrict $ encode expected
+
+spec :: Spec
+spec = do
+  describe "info hash" $ do
+    mapM_ infohashSpec torrentList
+
+  describe "accumPosition" $ do
+    it "" $ property $ \ p1 p2 p3 s1 s2 s3 ->
+      accumPositions [(p1, s1), (p2, s2), (p3, s3)]
+        `shouldBe`   [(p1, (0, s1)), (p2, (s1, s2)), (p3, (s1 + s2, s3))]
+
+  describe "FileInfo" $ do
+    it "properly bencoded" $ property $
+      prop_properBEncode (T :: T (FileInfo BS.ByteString))
+
+  describe "LayoutInfo" $ do
+    it "properly bencoded" $ property $
+      prop_properBEncode (T :: T LayoutInfo)
+
+  describe "Torrent" $ do
+    it "property bencoded" $ property $
+      prop_properBEncode (T :: T Torrent)
+
+  describe "Magnet" $ do
+    it "properly encoded" $ property $ magnetEncoding
+
+    it "parse base32" $ do
+      let magnet = "magnet:?xt=urn:btih:CT76LXJDDCH5LS2TUHKH6EUJ3NYKX4Y6"
+      let ih = "CT76LXJDDCH5LS2TUHKH6EUJ3NYKX4Y6"
+      parseMagnet magnet `shouldBe` Just (nullMagnet ih)
+
+    it "parse base16" $ do
+      let magnet = "magnet:?xt=urn:btih:0123456789abcdef0123456789abcdef01234567"
+      let ih = "0123456789abcdef0123456789abcdef01234567"
+      parseMagnet magnet `shouldBe` Just (nullMagnet ih)
-- 
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