From c615091793f53ff33b8f6c1b1ba711cf7c93e97b Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Mon, 8 Jun 2015 13:56:13 +0800 Subject: [PATCH] qemu-iotests: Add test case for mirror with unmap This checks that the discard on mirror source that effectively zeroes data is also reflected by the data of target. Signed-off-by: Fam Zheng Reviewed-by: John Snow Signed-off-by: Stefan Hajnoczi --- tests/qemu-iotests/132 | 59 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/132.out | 5 ++++ tests/qemu-iotests/group | 1 + 3 files changed, 65 insertions(+) create mode 100644 tests/qemu-iotests/132 create mode 100644 tests/qemu-iotests/132.out diff --git a/tests/qemu-iotests/132 b/tests/qemu-iotests/132 new file mode 100644 index 0000000..f53ef6e --- /dev/null +++ b/tests/qemu-iotests/132 @@ -0,0 +1,59 @@ +#!/usr/bin/env python +# +# Test mirror with unmap +# +# Copyright (C) 2015 Red Hat, 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 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, see . +# + +import time +import os +import iotests +from iotests import qemu_img, qemu_io + +test_img = os.path.join(iotests.test_dir, 'test.img') +target_img = os.path.join(iotests.test_dir, 'target.img') + +class TestSingleDrive(iotests.QMPTestCase): + image_len = 2 * 1024 * 1024 # MB + + def setUp(self): + # Write data to the image so we can compare later + qemu_img('create', '-f', iotests.imgfmt, test_img, str(TestSingleDrive.image_len)) + qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x5d 0 2M', test_img) + + self.vm = iotests.VM().add_drive(test_img, 'discard=unmap') + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + os.remove(test_img) + try: + os.remove(target_img) + except OSError: + pass + + def test_mirror_discard(self): + result = self.vm.qmp('drive-mirror', device='drive0', sync='full', + target=target_img) + self.assert_qmp(result, 'return', {}) + self.vm.hmp_qemu_io('drive0', 'discard 0 64k') + self.complete_and_wait('drive0') + self.vm.shutdown() + self.assertTrue(iotests.compare_images(test_img, target_img), + 'target image does not match source after mirroring') + +if __name__ == '__main__': + iotests.main(supported_fmts=['raw', 'qcow2']) diff --git a/tests/qemu-iotests/132.out b/tests/qemu-iotests/132.out new file mode 100644 index 0000000..ae1213e --- /dev/null +++ b/tests/qemu-iotests/132.out @@ -0,0 +1,5 @@ +. +---------------------------------------------------------------------- +Ran 1 tests + +OK diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 4597fc1..6206765 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -131,4 +131,5 @@ 129 rw auto quick 130 rw auto quick 131 rw auto quick +132 rw auto quick 134 rw auto quick -- 2.7.4