[parted-devel] [PATCH 2/2] tests: add one: try to remove a busy partition

[Otavio Salvador]

This test try to reproduce the issue reported in Debian bug #582818[1].

 1. http://bugs.debian.org/582818

Basically it does:

 * create two primary partitions
 * mount the second one
 * remove the first (must works)
 * try to remove the second (must fail)

* tests/t1101-busy-partition.sh: new file.
* tests/Makefile.am: add the new test in check target.
---
 tests/Makefile.am             |    1 +
 tests/t1101-busy-partition.sh |   73 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+), 0 deletions(-)
 create mode 100755 tests/t1101-busy-partition.sh

diff --git a/tests/Makefile.am b/tests/Makefile.am
index aa67f99..a1ab0d8 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -19,6 +19,7 @@ TESTS = \
   t0400-loop-clobber-infloop.sh \
   t0500-dup-clobber.sh \
   t1100-busy-label.sh \
+  t1101-busy-partition.sh \
   t1700-ext-probe.sh \
   t2100-mkswap.sh \
   t2200-dos-label-recog.sh \
diff --git a/tests/t1101-busy-partition.sh b/tests/t1101-busy-partition.sh
new file mode 100755
index 0000000..8d80f7d
--- /dev/null
+++ b/tests/t1101-busy-partition.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+
+# Copyright (C) 2010 Free Software Foundation, Inc.
+
+# 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 3 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, see <http://www.gnu.org/licenses/>.
+
+# This is a test for Debian bug #582818 (http://bugs.debian.org/582818).
+
+test_description='partitioning (parted -s DEV rm 2) a busy disk must fail.'
+
+privileges_required_=1
+erasable_device_required_=1
+
+: ${srcdir=.}
+. $srcdir/test-lib.sh
+require_512_byte_sector_size_
+dev=$DEVICE_TO_ERASE
+
+test_expect_success \
+    "setup: create a fat32 file system on $dev" \
+    'dd if=/dev/zero "of=$dev" bs=1k count=1 2> /dev/null &&
+     parted -s "$dev" mklabel msdos                > out 2>&1 &&
+     parted -s "$dev" mkpartfs primary fat32 1 40 >> out 2>&1 &&
+     parted -s "$dev" mkpartfs primary fat32 40 80 >> out 2>&1'
+test_expect_success 'expect no output' 'compare out /dev/null'
+
+mount_point="`pwd`/mnt"
+
+# Be sure to unmount upon interrupt, failure, etc.
+cleanup_() { umount "${dev}2" > /dev/null 2>&1; }
+
+# There's a race condition here: on udev-based systems, the partition#1
+# device, ${dev}1 (i.e., /dev/sdd1) is not created immediately, and
+# without some delay, this mount command would fail.  Using a flash card
+# as $dev, the loop below typically iterates 7-20 times.
+test_expect_success \
+    'create mount point dir. and mount the just-created partition on it' \
+    'mkdir $mount_point &&
+     i=0; while :; do test -e "${dev}2" && break; test $i = 90 && break;
+	              i=$(expr $i + 1); done;
+     mount "${dev}2" $mount_point'
+
+test_expect_success \
+    'now that a partition 2 is mounted, rm 1 must work' \
+    'parted -s "$dev" rm 1 > out 2>&1'
+
+
+test_expect_failure \
+    'now that a partition 1 is removed, rm 2 attempt must fail' \
+    'parted -s "$dev" rm 2 > out 2>&1'
+
+fail=0
+cat <<EOF > exp || fail=1
+Error: Partition ${dev}2 is being used. You must unmount it before you modify it with Parted.
+EOF
+test_expect_success 'create expected output file' 'test $fail = 0'
+
+test_expect_success \
+    'check for expected failure diagnostic' \
+    'compare out exp'
+
+test_done
-- 
1.7.1.569.g6f426