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{-# LANGUAGE OverloadedStrings #-}
module Network.Socket.ByteStringSpec (main, spec) where
import Control.Concurrent.MVar (newEmptyMVar, putMVar, takeMVar)
import Data.Bits
import Data.Maybe
import Control.Monad
import qualified Data.ByteString as S
import qualified Data.ByteString.Char8 as C
import Network.Socket
import Network.Socket.ByteString
import Network.Test.Common
import System.Environment
import Test.Hspec
main :: IO ()
main = hspec spec
spec :: Spec
spec = do
describe "send" $ do
it "works well" $ do
let server sock = recv sock 1024 `shouldReturn` testMsg
client sock = send sock testMsg
tcpTest client server
it "throws when closed" $ do
let server _ = return ()
client sock = do
close sock
send sock testMsg `shouldThrow` anyException
tcpTest client server
it "checks -1 correctly on Windows" $ do
sock <- socket AF_INET Stream defaultProtocol
send sock "hello world" `shouldThrow` anyException
describe "sendAll" $ do
it "works well" $ do
let server sock = recv sock 1024 `shouldReturn` testMsg
client sock = sendAll sock testMsg
tcpTest client server
it "throws when closed" $ do
let server _ = return ()
client sock = do
close sock
sendAll sock testMsg `shouldThrow` anyException
tcpTest client server
describe "sendTo" $ do
it "works well" $ do
let server sock = recv sock 1024 `shouldReturn` testMsg
client sock addr = sendTo sock testMsg addr
udpTest client server
it "throws when closed" $ do
let server _ = return ()
client sock addr = do
close sock
sendTo sock testMsg addr `shouldThrow` anyException
udpTest client server
describe "sendAllTo" $ do
it "works well" $ do
let server sock = recv sock 1024 `shouldReturn` testMsg
client sock addr = sendAllTo sock testMsg addr
udpTest client server
it "throws when closed" $ do
let server _ = return ()
client sock addr = do
close sock
sendAllTo sock testMsg addr `shouldThrow` anyException
udpTest client server
describe "sendMany" $ do
it "works well" $ do
let server sock = recv sock 1024 `shouldReturn` S.append seg1 seg2
client sock = sendMany sock [seg1, seg2]
seg1 = C.pack "This is a "
seg2 = C.pack "test message."
tcpTest client server
it "throws when closed" $ do
let server _ = return ()
client sock = do
close sock
sendMany sock [seg1, seg2] `shouldThrow` anyException
seg1 = C.pack "This is a "
seg2 = C.pack "test message."
tcpTest client server
describe "sendManyTo" $ do
it "works well" $ do
let server sock = recv sock 1024 `shouldReturn` S.append seg1 seg2
client sock addr = sendManyTo sock [seg1, seg2] addr
seg1 = C.pack "This is a "
seg2 = C.pack "test message."
udpTest client server
it "throws when closed" $ do
let server _ = return ()
client sock addr = do
close sock
sendManyTo sock [seg1, seg2] addr `shouldThrow` anyException
seg1 = C.pack "This is a "
seg2 = C.pack "test message."
udpTest client server
describe "recv" $ do
it "works well" $ do
let server sock = recv sock 1024 `shouldReturn` testMsg
client sock = send sock testMsg
tcpTest client server
it "throws when closed" $ do
let server sock = do
close sock
recv sock 1024 `shouldThrow` anyException
client sock = send sock testMsg
tcpTest client server
it "can treat overflow" $ do
let server sock = do
seg1 <- recv sock (S.length testMsg - 3)
seg2 <- recv sock 1024
let msg = S.append seg1 seg2
msg `shouldBe` testMsg
client sock = send sock testMsg
tcpTest client server
it "returns empty string at EOF" $ do
let client s = recv s 4096 `shouldReturn` S.empty
server s = shutdown s ShutdownSend
tcpTest client server
it "checks -1 correctly on Windows" $ do
sock <- socket AF_INET Stream defaultProtocol
recv sock 1024 `shouldThrow` anyException
describe "recvFrom" $ do
it "works well" $ do
let server sock = do
(msg, _) <- recvFrom sock 1024
testMsg `shouldBe` msg
client sock = do
addr <- getPeerName sock
sendTo sock testMsg addr
tcpTest client server
it "throws when closed" $ do
let server sock = do
close sock
recvFrom sock 1024 `shouldThrow` anyException
client sock = do
addr <- getPeerName sock
sendTo sock testMsg addr
tcpTest client server
it "can treat overflow" $ do
let server sock = do
(seg1, _) <- recvFrom sock (S.length testMsg - 3)
(seg2, _) <- recvFrom sock 1024
let msg = S.append seg1 seg2
testMsg `shouldBe` msg
client sock = send sock testMsg
tcpTest client server
it "returns empty string at EOF" $ do
let server sock = do
(seg1, _) <- recvFrom sock (S.length testMsg - 3)
seg1 `shouldBe` S.empty
client sock = shutdown sock ShutdownSend
tcpTest client server
describe "sendMsg" $ do
it "works well" $ do
let server sock = recv sock 1024 `shouldReturn` S.append seg1 seg2
client sock addr = sendMsg sock addr [seg1, seg2] [] mempty
seg1 = C.pack "This is a "
seg2 = C.pack "test message."
udpTest client server
it "throws when closed" $ do
let server _ = return ()
client sock addr = do
close sock
sendMsg sock addr [seg1, seg2] [] mempty `shouldThrow` anyException
seg1 = C.pack "This is a "
seg2 = C.pack "test message."
udpTest client server
describe "recvMsg" $ do
it "works well" $ do
let server sock = do
(_, msg, cmsgs, flags) <- recvMsg sock 1024 0 mempty
msg `shouldBe` seg
cmsgs `shouldBe` []
flags `shouldBe` mempty
client sock addr = sendTo sock seg addr
seg = C.pack "This is a test message"
udpTest client server
it "receives truncated flag" $ do
let server sock = do
(_, _, _, flags) <- recvMsg sock (S.length seg - 2) 0 mempty
flags .&. MSG_TRUNC `shouldBe` MSG_TRUNC
client sock addr = sendTo sock seg addr
seg = C.pack "This is a test message"
udpTest client server
it "peek" $ do
let server sock = do
(_, msgs, _, _flags) <- recvMsg sock 1024 0 MSG_PEEK
-- flags .&. MSG_PEEK `shouldBe` MSG_PEEK -- Mac only
(_, msgs', _, _) <- recvMsg sock 1024 0 mempty
msgs `shouldBe` msgs'
client sock addr = sendTo sock seg addr
seg = C.pack "This is a test message"
udpTest client server
it "receives control messages for IPv4" $ do
-- This test behaves strange on AppVeyor and I don't know why so skip
-- TOS for now.
isAppVeyor <- isJust <$> lookupEnv "APPVEYOR"
-- Avoid race condition between the client sending the message and
-- the server finishing its socket configuration. Otherwise the
-- message may be received with default socket options!
serverReady <- newEmptyMVar
let server sock = do
whenSupported RecvIPv4TTL $ setSocketOption sock RecvIPv4TTL 1
whenSupported RecvIPv4PktInfo $ setSocketOption sock RecvIPv4PktInfo 1
whenSupported RecvIPv4TOS $ setSocketOption sock RecvIPv4TOS 1
putMVar serverReady ()
(_, _, cmsgs, _) <- recvMsg sock 1024 128 mempty
whenSupported RecvIPv4PktInfo $
((lookupCmsg CmsgIdIPv4PktInfo cmsgs >>= decodeCmsg) :: Maybe IPv4PktInfo) `shouldNotBe` Nothing
when (not isAppVeyor) $ do
whenSupported RecvIPv4TTL $
((lookupCmsg CmsgIdIPv4TTL cmsgs >>= decodeCmsg) :: Maybe IPv4TTL) `shouldNotBe` Nothing
whenSupported RecvIPv4TOS $
((lookupCmsg CmsgIdIPv4TOS cmsgs >>= decodeCmsg) :: Maybe IPv4TOS) `shouldNotBe` Nothing
client sock addr = takeMVar serverReady >> sendTo sock seg addr
seg = C.pack "This is a test message"
udpTest client server
it "receives control messages for IPv6" $ do
-- Avoid race condition between the client sending the message and
-- the server finishing its socket configuration. Otherwise the
-- message may be received with default socket options!
serverReady <- newEmptyMVar
let server sock = do
whenSupported RecvIPv6HopLimit $ setSocketOption sock RecvIPv6HopLimit 1
whenSupported RecvIPv6TClass $ setSocketOption sock RecvIPv6TClass 1
whenSupported RecvIPv6PktInfo $ setSocketOption sock RecvIPv6PktInfo 1
putMVar serverReady ()
(_, _, cmsgs, _) <- recvMsg sock 1024 128 mempty
whenSupported RecvIPv6HopLimit $
((lookupCmsg CmsgIdIPv6HopLimit cmsgs >>= decodeCmsg) :: Maybe IPv6HopLimit) `shouldNotBe` Nothing
whenSupported RecvIPv6TClass $
((lookupCmsg CmsgIdIPv6TClass cmsgs >>= decodeCmsg) :: Maybe IPv6TClass) `shouldNotBe` Nothing
whenSupported RecvIPv6PktInfo $
((lookupCmsg CmsgIdIPv6PktInfo cmsgs >>= decodeCmsg) :: Maybe IPv6PktInfo) `shouldNotBe` Nothing
client sock addr = takeMVar serverReady >> sendTo sock seg addr
seg = C.pack "This is a test message"
udpTest6 client server
it "receives truncated control messages" $ do
-- Avoid race condition between the client sending the message and
-- the server finishing its socket configuration. Otherwise the
-- message may be received with default socket options!
serverReady <- newEmptyMVar
let server sock = do
whenSupported RecvIPv4TTL $ setSocketOption sock RecvIPv4TTL 1
whenSupported RecvIPv4TOS $ setSocketOption sock RecvIPv4TOS 1
whenSupported RecvIPv4PktInfo $ setSocketOption sock RecvIPv4PktInfo 1
putMVar serverReady ()
(_, _, _, flags) <- recvMsg sock 1024 10 mempty
flags .&. MSG_CTRUNC `shouldBe` MSG_CTRUNC
client sock addr = takeMVar serverReady >> sendTo sock seg addr
seg = C.pack "This is a test message"
udpTest client server
|
