{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ScopedTypeVariables #-}
import Test.Hspec.Monadic
import Test.Hspec.HUnit ()
import Test.HUnit
import Network.Wai
import Network.Wai.Handler.Warp (run)
import Network.HTTP.Conduit
import Control.Concurrent (forkIO, killThread)
import Network.HTTP.Types
import Control.Exception (try, SomeException)
import Network.HTTP.Conduit.ConnInfo

app :: Application
app req =
    case pathInfo req of
        [] -> return $ responseLBS status200 [] "homepage"
        _ -> return $ responseLBS status404 [] "not found"

main :: IO ()
main = hspecX $ do
    describe "simpleHttp" $ do
        it "gets homepage" $ do
            tid <- forkIO $ run 3000 app
            lbs <- simpleHttp "http://localhost:3000/"
            killThread tid
            lbs @?= "homepage"
        it "throws exception on 404" $ do
            tid <- forkIO $ run 3001 app
            elbs <- try $ simpleHttp "http://localhost:3001/404"
            killThread tid
            case elbs of
                Left (_ :: SomeException) -> return ()
                Right _ -> error "Expected an exception"
    describe "manager" $ do
        it "closes all connections" $ do
            clearSocketsList
            tid1 <- forkIO $ run 3002 app
            tid2 <- forkIO $ run 3003 app
            withManager $ \manager -> do
                let Just req1 = parseUrl "http://localhost:3002/"
                let Just req2 = parseUrl "http://localhost:3003/"
                _res1a <- http req1 manager
                _res1b <- http req1 manager
                _res2 <- http req2 manager
                return ()
            requireAllSocketsClosed
            killThread tid2
            killThread tid1