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{-# OPTIONS -fallow-overlapping-instances #-}
{- arch-tag: GZip tests main file
Copyright (C) 2005 John Goerzen <jgoerzen@complete.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
module GZiptest(tests) where
import HUnit
import Python.Exceptions
import MissingPy.FileArchive.GZip
import Data.List
import MissingH.IO.HVIO
import System.IO
import System.IO.Error
import Testutil
import System.Directory
import qualified Control.Exception
finally = Control.Exception.finally
f fn exp = TestCase $ do gzf <- openGz ("testsrc/gzfiles/" ++ fn) ReadMode 9
c <- vGetContents gzf
exp @=? c
vClose gzf
test_gunzip =
[
f "t1.gz" "Test 1"
,f "empty.gz" ""
-- , "t1bad has errors
,f "t2.gz" "Test 1Test 2"
,TestCase $ handlePy exc2ioerror $
do gzf <- openGz "testsrc/gzfiles/t1bad.gz" ReadMode 1
assertRaises "crc" (Control.Exception.IOException $ userError "Python exceptions.IOError: CRC check failed")
(handlePy exc2ioerror $ do c <- vGetContents gzf
"nonexistant bad data" @=? c
)
vClose gzf
,TestCase $ do gzf <- openGz "testsrc/gzfiles/zeros.gz" ReadMode 1
c <- vGetContents gzf
10485760 @=? length c
vClose gzf
--,f "zeros.gz" (replicate 10485760 '\0')
]
test_gzip = TestCase $
handlePy exc2ioerror $
do gzf <- openGz "testsrc/gzfiles/deleteme.gz" ReadWriteMode 9
finally (do vPutStr gzf "Test 2\n"
vSeek gzf AbsoluteSeek 7
vFlush gzf
vPutStr gzf "Test 3\n"
vPutStr gzf (replicate 1048576 't')
vPutChar gzf '\n'
vClose gzf
gzf2 <- openGz "testsrc/gzfiles/deleteme.gz" ReadMode 9
vGetLine gzf2 >>= (@=? "Test 2")
vGetLine gzf2 >>= (@=? "Test 3")
vRewind gzf2
c <- vGetContents gzf2
("Test 2\nTest 3\n" ++ (replicate 1048576 't') ++ "\n")
@=? c
assertRaises "eof" (Control.Exception.IOException $ mkIOError eofErrorType "" Nothing Nothing) (vGetLine gzf2)
vClose gzf2
) (removeFile "testsrc/gzfiles/deleteme.gz")
tests = TestList [TestLabel "gzip" test_gzip,
TestLabel "gunzip" (TestList test_gunzip)
]
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