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|
{- 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 Common
import Utility.QuickCheck
import qualified Utility.OsString as OS
prop_upFrom_basics :: TestableFilePath -> Bool
prop_upFrom_basics tdir
| dir == "/" = p == Nothing
| otherwise = p /= Just dir
where
p = fromOsPath <$> upFrom (toOsPath dir)
dir = fromTestableFilePath tdir
prop_relPathDirToFileAbs_basics :: TestableFilePath -> Bool
prop_relPathDirToFileAbs_basics pt = and
[ relPathDirToFileAbs p (p </> literalOsPath "bar") == literalOsPath "bar"
, relPathDirToFileAbs (p </> literalOsPath "bar") p == literalOsPath ".."
, relPathDirToFileAbs p p == literalOsPath ""
]
where
-- relPathDirToFileAbs needs absolute paths, so make the path
-- absolute by adding a path separator to the front.
p = pathSeparator `OS.cons` relf
-- Make the input a relative path. On windows, make sure it does
-- not contain anything that looks like a drive letter.
relf = OS.dropWhile isPathSeparator $
OS.filter (not . skipchar) $
toOsPath (fromTestableFilePath pt)
skipchar b = b == unsafeFromChar ':'
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 (mkp [fromOsPath (pathSeparator `OS.cons` literalOsPath "tmp"), "r", "lll", "xxx", "yyy", "18"])
(mkp [fromOsPath (pathSeparator `OS.cons` literalOsPath "tmp"), "r", ".git", "annex", "objects", "18", "gk", "SHA256-foo", "SHA256-foo"])
== mkp ["..", "..", "..", "..", ".git", "annex", "objects", "18", "gk", "SHA256-foo", "SHA256-foo"]
where
mkp = joinPath . map literalOsPath
prop_dirContains_regressionTest :: Bool
prop_dirContains_regressionTest = and
[ not $ dc "." ".."
, not $ dc ".." "../.."
, dc "." "foo"
, dc "." "."
, dc ".." ".."
, dc "../.." "../.."
, dc "." "./foo"
, dc ".." "../foo"
, dc "../.." "../foo"
, dc "../.." "../../foo"
, not $ dc "../.." "../../.."
]
where
dc x y = dirContains (literalOsPath x) (literalOsPath y)
|
