git-annex/Utility/Path/Tests.hs
Joey Hess b2c48fb86b
Fix using lookupkey inside a subdirectory
Caused by dirContains ".." "foo" being incorrectly False.

Also added a test of dirContains, which includes all the previous bug fixes
I could find and some obvious cases.

Reversion in version 8.20211011

Sponsored-by: Brett Eisenberg on Patreon
2021-10-26 15:00:45 -04:00

80 lines
2.6 KiB
Haskell

{- Tests for Utility.Path. Split into a separate module to avoid it needing
- QuickCheck.
-
- Copyright 2010-2021 Joey Hess <id@joeyh.name>
-
- License: BSD-2-clause
-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE CPP #-}
{-# OPTIONS_GHC -fno-warn-tabs #-}
module Utility.Path.Tests (
prop_upFrom_basics,
prop_relPathDirToFileAbs_basics,
prop_relPathDirToFileAbs_regressionTest,
prop_dirContains_regressionTest,
) where
import System.FilePath.ByteString
import qualified Data.ByteString as B
import Data.List
import Data.Maybe
import Data.Char
import Control.Applicative
import Prelude
import Utility.Path
import Utility.FileSystemEncoding
import Utility.QuickCheck
prop_upFrom_basics :: TestableFilePath -> Bool
prop_upFrom_basics tdir
| dir == "/" = p == Nothing
| otherwise = p /= Just dir
where
p = fromRawFilePath <$> upFrom (toRawFilePath dir)
dir = fromTestableFilePath tdir
prop_relPathDirToFileAbs_basics :: TestableFilePath -> Bool
prop_relPathDirToFileAbs_basics pt = and
[ relPathDirToFileAbs p (p </> "bar") == "bar"
, relPathDirToFileAbs (p </> "bar") p == ".."
, relPathDirToFileAbs p p == ""
]
where
-- relPathDirToFileAbs needs absolute paths, so make the path
-- absolute by adding a path separator to the front.
p = pathSeparator `B.cons` relf
-- Make the input a relative path. On windows, make sure it does
-- not contain anything that looks like a drive letter.
relf = B.filter (not . skipchar) $ B.dropWhile isPathSeparator $
toRawFilePath (fromTestableFilePath pt)
skipchar b = b == (fromIntegral (ord ':'))
prop_relPathDirToFileAbs_regressionTest :: Bool
prop_relPathDirToFileAbs_regressionTest = same_dir_shortcurcuits_at_difference
where
{- Two paths have the same directory component at the same
- location, but it's not really the same directory.
- Code used to get this wrong. -}
same_dir_shortcurcuits_at_difference =
relPathDirToFileAbs (joinPath [pathSeparator `B.cons` "tmp", "r", "lll", "xxx", "yyy", "18"])
(joinPath [pathSeparator `B.cons` "tmp", "r", ".git", "annex", "objects", "18", "gk", "SHA256-foo", "SHA256-foo"])
== joinPath ["..", "..", "..", "..", ".git", "annex", "objects", "18", "gk", "SHA256-foo", "SHA256-foo"]
prop_dirContains_regressionTest :: Bool
prop_dirContains_regressionTest = and
[ not $ dirContains "." ".."
, not $ dirContains ".." "../.."
, dirContains "." "foo"
, dirContains "." "."
, dirContains ".." ".."
, dirContains "../.." "../.."
, dirContains "." "./foo"
, dirContains ".." "../foo"
, dirContains "../.." "../foo"
, dirContains "../.." "../../foo"
, not $ dirContains "../.." "../../.."
]