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avoid two test failures with LANG=C

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Log.Remote.prop_parse_show_Config failed on an input of fromList [("\28162","")]
in LANG=C, encodeBS "\28162" == "\STX=", while in UTF-8 locale,
encodeBS "\28162" == "\230\184\130". So in the C locale, the String
that's the parsed Map key ends up being encoded differently than it was
in the input Map.

Logs.Presence.Pure.prop_parse_build_log was failing in LANG=C because
the Arbitrary LogLine for some reason sometimes generated LogInfo values
containing \n or \r, despite using suchThat to prevent that. I don't
understand why at all, but switching the suchThat to filter the
ByteString instead of the String before conversion with encodeBS
somehow avoids the problem.

Both of these suggest something wonky with encodeBS in LANG=C, but
I *think* it's not a problem except for with test data generated by
Arbitrary.
This commit is contained in:
Joey Hess 2019-01-18 13:33:48 -04:00
parent facdeea47e
commit 928e08904d
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GPG key ID: DB12DB0FF05F8F38
2 changed files with 7 additions and 5 deletions
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7
Logs/Presence/Pure.hs
View file

@ -15,6 +15,7 @@ import Utility.QuickCheck
import qualified Data.Map as M
import qualified Data.ByteString.Lazy as L
import qualified Data.ByteString as S
import qualified Data.ByteString.Char8 as C8
import qualified Data.Attoparsec.ByteString.Lazy as A
import Data.Attoparsec.ByteString.Char8 (char, anyChar)
import Data.ByteString.Builder
@ -116,10 +117,10 @@ instance Arbitrary LogLine where
arbitrary = LogLine
<$> arbitrary
<*> elements [minBound..maxBound]
<*> (LogInfo . encodeBS <$> arbinfo)
<*> (LogInfo <$> arbinfo)
where
arbinfo = arbitrary `suchThat`
(\c -> '\n' `notElem` c && '\r' `notElem` c)
arbinfo = (encodeBS <$> arbitrary) `suchThat`
(\b -> C8.notElem '\n' b && C8.notElem '\r' b)
prop_parse_build_log :: [LogLine] -> Bool
prop_parse_build_log l = parseLog (toLazyByteString (buildLog l)) == l

5
Logs/Remote.hs
View file

@ -92,8 +92,9 @@ prop_isomorphic_configEscape s = s == (configUnEscape . configEscape) s
prop_parse_show_Config :: RemoteConfig -> Bool
prop_parse_show_Config c
-- whitespace and '=' are not supported in keys
| any (\k -> any isSpace k || elem '=' k) (M.keys c) = True
-- whitespace and '=' are not supported in config keys; limit to
-- alphanumerics for simplicity
| any (all isAlphaNum) (M.keys c) = True
| otherwise = A.parseOnly remoteConfigParser (encodeBS $ showConfig c) ~~ Right c
where
normalize v = sort . M.toList <$> v