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Thu, 25 Jun 2020 15:24:02 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Subject: [PATCH v7 47/47] iotests: Test committing to overridden backing Date: Thu, 25 Jun 2020 17:22:15 +0200 Message-Id: <20200625152215.941773-48-mreitz@redhat.com> In-Reply-To: <20200625152215.941773-1-mreitz@redhat.com> References: <20200625152215.941773-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=207.211.31.120; envelope-from=mreitz@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/25 01:47:53 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Max Reitz --- tests/qemu-iotests/040 | 61 ++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/040.out | 4 +-- 2 files changed, 63 insertions(+), 2 deletions(-) diff --git a/tests/qemu-iotests/040 b/tests/qemu-iotests/040 index e7fa244738..dfd46ddcbe 100755 --- a/tests/qemu-iotests/040 +++ b/tests/qemu-iotests/040 @@ -890,6 +890,67 @@ class TestCommitWithFilters(iotests.QMPTestCase): # 3 has been comitted into 2 self.pattern_files[3] = self.img2 +class TestCommitWithOverriddenBacking(iotests.QMPTestCase): + img_base_a = os.path.join(iotests.test_dir, 'base_a.img') + img_base_b = os.path.join(iotests.test_dir, 'base_b.img') + img_top = os.path.join(iotests.test_dir, 'top.img') + + def setUp(self): + qemu_img('create', '-f', iotests.imgfmt, self.img_base_a, '1M') + qemu_img('create', '-f', iotests.imgfmt, self.img_base_b, '1M') + qemu_img('create', '-f', iotests.imgfmt, '-b', self.img_base_a, \ + self.img_top) + + self.vm = iotests.VM() + self.vm.launch() + + # Use base_b instead of base_a as the backing of top + result = self.vm.qmp('blockdev-add', **{ + 'node-name': 'top', + 'driver': iotests.imgfmt, + 'file': { + 'driver': 'file', + 'filename': self.img_top + }, + 'backing': { + 'node-name': 'base', + 'driver': iotests.imgfmt, + 'file': { + 'driver': 'file', + 'filename': self.img_base_b + } + } + }) + self.assert_qmp(result, 'return', {}) + + def tearDown(self): + self.vm.shutdown() + os.remove(self.img_top) + os.remove(self.img_base_a) + os.remove(self.img_base_b) + + def test_commit_to_a(self): + # Try committing to base_a (which should fail, as top's + # backing image is base_b instead) + result = self.vm.qmp('block-commit', + job_id='commit', + device='top', + base=self.img_base_a) + self.assert_qmp(result, 'error/class', 'GenericError') + + def test_commit_to_b(self): + # Try committing to base_b (which should work, since that is + # actually top's backing image) + result = self.vm.qmp('block-commit', + job_id='commit', + device='top', + base=self.img_base_b) + self.assert_qmp(result, 'return', {}) + + self.vm.event_wait('BLOCK_JOB_READY') + self.vm.qmp('block-job-complete', device='commit') + self.vm.event_wait('BLOCK_JOB_COMPLETED') + if __name__ == '__main__': iotests.main(supported_fmts=['qcow2', 'qed'], supported_protocols=['file']) diff --git a/tests/qemu-iotests/040.out b/tests/qemu-iotests/040.out index 4823c113d5..1bb1dc5f0e 100644 --- a/tests/qemu-iotests/040.out +++ b/tests/qemu-iotests/040.out @@ -1,5 +1,5 @@ -............................................................... +................................................................. ---------------------------------------------------------------------- -Ran 63 tests +Ran 65 tests OK -- 2.26.2