Files
simplexmq/tests/NamesResolverServer.hs
T

84 lines
3.1 KiB
Haskell

{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE GADTs #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
-- | Name resolver mock
module NamesResolverServer
( withResolverServer,
withResolverServerDelayed,
resolveResp,
testNamesConfig,
memCfg,
memProxyCfg,
memCfg2,
withNames,
)
where
import Control.Concurrent (threadDelay)
import Control.Monad (when)
import qualified Data.ByteString.Lazy as LB
import Data.IORef (IORef, atomicModifyIORef', newIORef)
import Data.Text (Text)
import Network.HTTP.Types (Status, hContentType, notFound404, ok200)
import Network.Wai (Application, pathInfo, responseLBS)
import qualified Network.Wai.Handler.Warp as Warp
import SMPClient (AServerConfig (..), cfgMS, proxyCfgMS, testStoreLogFile2, testStoreMsgsFile2, updateCfg)
import Simplex.Messaging.Server.Env.STM (AStoreType (..), ServerConfig (..), ServerStoreCfg (..), StorePaths (..))
import Simplex.Messaging.Server.MsgStore.Types (SMSType (..), SQSType (..))
import Simplex.Messaging.Server.Names (NamesConfig (..))
-- | Run an action with a local HTTP resolver on a free port.
withResolverServer :: ([Text] -> (Status, LB.ByteString)) -> (Int -> IORef [[Text]] -> IO a) -> IO a
withResolverServer = withResolverServerDelayed 0
withResolverServerDelayed :: Int -> ([Text] -> (Status, LB.ByteString)) -> (Int -> IORef [[Text]] -> IO a) -> IO a
withResolverServerDelayed delayMs handler action = do
reqs <- newIORef []
Warp.withApplication (pure (app reqs)) $ \port -> action port reqs
where
app :: IORef [[Text]] -> Application
app reqs req send = do
atomicModifyIORef' reqs $ \rs -> (rs <> [pathInfo req], ())
when (delayMs > 0) $ threadDelay (delayMs * 1000)
let (st, body) = handler (pathInfo req)
send $ responseLBS st [(hContentType, "application/json")] body
-- | The resolver API is versioned on its own: v2 answers with NameRegistration
-- JSON, which is the only shape the server asks for.
resolveResp :: Status -> LB.ByteString -> [Text] -> (Status, LB.ByteString)
resolveResp st body = \case
["health"] -> (ok200, "{}")
("v2" : "resolve" : _) -> (st, body)
_ -> (notFound404, "{}")
testNamesConfig :: Int -> NamesConfig
testNamesConfig port =
NamesConfig
{ resolverEndpoint = "http://127.0.0.1:" <> show port,
resolverAuth = Nothing,
resolverTimeoutMs = 1000,
resolverMaxResponseBytes = 65536
}
memCfg :: AServerConfig
memCfg = cfgMS (ASType SQSMemory SMSMemory)
memProxyCfg :: AServerConfig
memProxyCfg = proxyCfgMS (ASType SQSMemory SMSMemory)
memCfg2 :: AServerConfig
memCfg2 = case memCfg of
ASrvCfg qt mt c -> ASrvCfg qt mt c {serverStoreCfg = newStoreCfg (serverStoreCfg c)}
where
newStoreCfg :: ServerStoreCfg s -> ServerStoreCfg s
newStoreCfg = \case
SSCMemory _ -> SSCMemory (Just StorePaths {storeLogFile = testStoreLogFile2, storeMsgsFile = Just testStoreMsgsFile2})
other -> other
withNames :: Int -> AServerConfig -> AServerConfig
withNames port c = updateCfg c $ \cfg_ -> cfg_ {namesConfig = Just (testNamesConfig port)}