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58cff8a009
Many tests use `program ... && fail=1` to ensure expected error situations are indicated. However that would mask an unexpected exit (like a crash). Therefore explicitly check the expected exit code. Note where error messages are also verified, the extra protection is not added. * tests/init.sh (returns_): A new helper function to check the return code of a command, and used throughout the tests. * cfg.mk (sc_prohibit_and_fail_1): Add a syntax check to avoid new instances of this issue.
87 lines
2.5 KiB
Bash
Executable File
87 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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# Test use of compression subprocesses by sort
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# Copyright (C) 2010-2015 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ sort
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expensive_
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SORT_FAILURE=2
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seq -w 2000 > exp || fail=1
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tac exp > in || fail=1
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insize=$(stat -c %s - <in) || fail=1
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# This compressor's behavior is adjustable via environment variables.
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export PRE_COMPRESS=
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export POST_COMPRESS=
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cat <<\EOF >compress || framework_failure_
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#!/bin/sh
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eval "$PRE_COMPRESS"
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tr 41 14 || exit
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eval "$POST_COMPRESS"
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EOF
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chmod +x compress
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# "Impatient exit" tests
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#
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# In these test cases, the biggest compressor (or decompressor) exits
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# with nonzero status, after sleeping a bit. Until coreutils 8.7
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# 'sort' impatiently exited without waiting for its decompression
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# subprocesses in these cases. Check compression too, while we're here.
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#
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for compress_arg in '' '-d'
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do
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POST_COMPRESS='
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test "X$1" != "X'$compress_arg'" || {
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test "X$1" = "X" && exec <&1
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size=$(stat -c %s -)
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exec >/dev/null 2>&1 <&1 || exit
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expr $size "<" '"$insize"' / 2 || { sleep 1; exit 1; }
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}
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' sort --compress-program=./compress -S 1k --batch-size=2 in > out
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test $? -eq $SORT_FAILURE || fail=1
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done
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# "Pre-exec child" test
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#
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# Ignore a random child process created before 'sort' was exec'ed.
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# This bug was also present in coreutils 8.7.
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#
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( (sleep 1; exec false) &
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PRE_COMPRESS='test -f ok || sleep 2'
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POST_COMPRESS='touch ok'
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exec sort --compress-program=./compress -S 1k in >out
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) || fail=1
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compare exp out || fail=1
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test -f ok || fail=1
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rm -f ok
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rm -f compress
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# If $TMPDIR is relative, give subprocesses time to react when 'sort' exits.
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# Otherwise, under NFS, when 'sort' unlinks the temp files and they
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# are renamed to .nfsXXXX instead of being removed, the parent cleanup
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# of this directory will fail because the files are still open.
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case $TMPDIR in
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/*) ;;
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*) sleep 1;;
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esac
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Exit $fail
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