From 89151d4315631243840fcae54244c144ff42329d Mon Sep 17 00:00:00 2001
From: Sam Truzjan <pxqr.sta@gmail.com>
Date: Thu, 26 Dec 2013 09:58:47 +0400
Subject: Test DHT RPC on a real node

---
 tests/Network/BitTorrent/DHT/MessageSpec.hs | 90 +++++++++++++++++++++++++++--
 1 file changed, 86 insertions(+), 4 deletions(-)

(limited to 'tests/Network/BitTorrent')

diff --git a/tests/Network/BitTorrent/DHT/MessageSpec.hs b/tests/Network/BitTorrent/DHT/MessageSpec.hs
index e8a76f14..9f4c58b0 100644
--- a/tests/Network/BitTorrent/DHT/MessageSpec.hs
+++ b/tests/Network/BitTorrent/DHT/MessageSpec.hs
@@ -1,12 +1,37 @@
+{-# LANGUAGE RecordWildCards #-}
 module Network.BitTorrent.DHT.MessageSpec (spec) where
+import Control.Monad.Reader
 import Test.Hspec
 import Data.BEncode as BE
+import Data.Default
+import Data.List as L
 import Network.BitTorrent.Core
 import Network.BitTorrent.DHT.Message
+import Network.KRPC
+import Network.Socket (PortNumber)
 
 
+remoteAddr :: SockAddr
+remoteAddr = SockAddrInet 6881 (256 * 256 * 256 + 127)
+
+thisAddr :: SockAddr
+thisAddr = SockAddrInet 60000 (256 * 256 * 256 + 127)
+
+thisPort :: PortNumber
+thisPort = 60001
+
+rpc :: ReaderT (Manager IO) IO a -> IO a
+rpc action = do
+  withManager thisAddr [] $ runReaderT $ do
+    listen
+    action
+
+isProtocolError :: KError -> Bool
+isProtocolError KError {..} = errorCode == ProtocolError
+
 spec :: Spec
 spec = do
+ context ("you need running DHT node at " ++ show remoteAddr) $ do
   describe "ping" $ do
     it "properly bencoded" $ do
       BE.decode "d2:id20:abcdefghij0123456789e"
@@ -21,6 +46,14 @@ spec = do
       BE.encode (Response "mnopqrstuvwxyz123456" Ping)
         `shouldBe` "d2:id20:mnopqrstuvwxyz123456e"
 
+    it "properly bencoded (iso)" $ do
+      pending
+
+    it "does compatible with existing DHT" $ do
+      nid <- genNodeId
+      Response _remoteAddr Ping <- rpc (query remoteAddr (Query nid Ping))
+      return ()
+
   describe "find_node" $ do
     it "properly bencoded" $ do
       BE.decode "d2:id20:abcdefghij0123456789\
@@ -33,9 +66,58 @@ spec = do
         `shouldBe`
          "d2:id20:abcdefghij01234567896:target20:mnopqrstuvwxyz123456e"
 
-      let addr = "127.0.0.1:256" :: NodeAddr IPv4
+      let naddr = "127.0.0.1:258" :: NodeAddr IPv4
       let nid  = "0123456789abcdefghij"
+      let nid' = "mnopqrstuvwxyz123456"
       BE.decode "d2:id20:0123456789abcdefghij\
-                 \5:nodes26:mnopqrstuvwxyz123456\127\0\0\1\&56\
-                 \e"
-       `shouldBe` Right (Response nid (NodeFound [NodeInfo nid addr]))
\ No newline at end of file
+                 \5:nodes26:mnopqrstuvwxyz123456\127\0\0\1\1\2\
+                \e"
+       `shouldBe` Right (Response nid (NodeFound [NodeInfo nid' naddr]))
+
+    it "properly bencoded (iso)" $ do
+      pending
+
+    it "does compatible with existing DHT" $ do
+      nid <- genNodeId
+      Response _remoteAddr (NodeFound xs) <- rpc $ do
+        query remoteAddr (Query nid (FindNode nid))
+      L.length (xs :: [NodeInfo IPv4]) `shouldSatisfy` (> 0)
+
+  describe "get_peers" $ do
+    it "properly bencoded" $ do
+      pending
+
+    it "properly bencoded (iso)" $ do
+      pending
+
+    it "does compatible with existing DHT" $ do
+      nid <- genNodeId
+      Response _remoteId (GotPeers {..})
+        <- rpc $ query remoteAddr (Query nid (GetPeers def))
+      let _ = peers :: Either [NodeInfo IPv4] [PeerAddr IPv4]
+      either L.length L.length peers `shouldSatisfy` (> 0)
+
+  describe "announce" $ do
+    it "properly bencoded" $ do
+      pending
+
+    it "properly bencoded (iso)" $ do
+      pending
+
+    it "does compatible with existing DHT" $ do
+      nid <- genNodeId
+      Response _remoteId Announced <- rpc $ do
+        Response _ GotPeers {..} <- query remoteAddr (Query nid (GetPeers def))
+        let _ = peers :: Either [NodeInfo IPv4] [PeerAddr IPv4]
+        query remoteAddr (Query nid (Announce def thisPort grantedToken))
+      return ()
+
+    it "does fail on invalid token" $ do
+      nid <- genNodeId
+      (rpc $ do
+        Response _ GotPeers {..} <- query remoteAddr (Query nid (GetPeers def))
+        let _ = peers :: Either [NodeInfo IPv4] [PeerAddr IPv4]
+        let invalidToken = ""
+        query remoteAddr (Query nid (Announce def thisPort invalidToken)))
+          `shouldThrow` isProtocolError
+      return ()
-- 
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