src/DNS.hs: update a test, example.com now has a NULLMX record.

[haeredes.git] / src / DNS.hs

diff --git a/src/DNS.hs b/src/DNS.hs
index 3c89ff4a78a423de3b31848470d4b82165d88ae7..aa46f4be8191798f7194495e761d92ee5120ce70 100644 (file)
--- a/src/DNS.hs
+++ b/src/DNS.hs
@@ -5,7 +5,6 @@ module DNS (
   resolve_address )
 where
 
-import Control.Monad ( liftM )
 import qualified Data.ByteString.Char8 as BS ( pack )
 import Data.IP (IPv4)
 import Network.DNS (
@@ -31,9 +30,9 @@ type LookupResult = (Domain, Either DNSError [Domain])
 --   Examples:
 --
 --   >>> resolve_address "example.com"
---   Right [93.184.216.119]
---   >>> resolve_address "93.184.216.119"
---   Right [93.184.216.119]
+--   Right [93.184.216.34]
+--   >>> resolve_address "93.184.216.34"
+--   Right [93.184.216.34]
 --
 resolve_address :: String -> IO (Either DNSError [IPv4])
 resolve_address s =
@@ -54,16 +53,16 @@ resolve_address s =
 --
 --   Examples:
 --
---   The example domain, example.com, has no MX record.
+--   The example domain, example.com, has a NULLMX record.
 --
 --   >>> rs <- makeResolvSeed defaultResolvConf
 --   >>> let domain = BS.pack "example.com."
 --   >>> withResolver rs $ \resolver -> lookupMX' resolver domain
---   ("example.com.",Right [])
+--   ("example.com.",Right ["."])
 --
 lookupMX' :: Resolver -> Domain -> IO LookupResult
 lookupMX' resolver domain =
-  liftM (pair_em . drop_priority) $ lookupMX resolver domain
+  fmap (pair_em . drop_priority) $ lookupMX resolver domain
   where
     drop_priority :: Either DNSError [(Domain, Int)]
                   -> Either DNSError [Domain]
@@ -96,7 +95,7 @@ lookupNS' :: Resolver -> Domain -> IO LookupResult
 lookupNS' resolver domain = do
   answer_result <- lookupNS resolver domain
   auth_result <- lookupNSAuth resolver domain
-  liftM pair_em $ return $ combine answer_result auth_result
+  fmap pair_em $ return $ combine answer_result auth_result
   where
     pair_em :: a -> (Domain, a)
     pair_em = (,) domain