This test case checks that it's not possible to perform two block-stream operations if there are nodes involved in both.
Signed-off-by: Alberto Garcia <be...@igalia.com> --- tests/qemu-iotests/030 | 60 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/030.out | 4 ++-- 2 files changed, 62 insertions(+), 2 deletions(-) diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030 index 1c53f80..6348872 100755 --- a/tests/qemu-iotests/030 +++ b/tests/qemu-iotests/030 @@ -145,6 +145,66 @@ class TestSingleDrive(iotests.QMPTestCase): self.assert_qmp(result, 'error/class', 'GenericError') +class TestMultipleOps(iotests.QMPTestCase): + num_imgs = 9 # It must be > 5 or some tests will break + image_len = num_imgs * 1024 * 1024 + imgs = [] + + def setUp(self): + opts = [] + self.imgs = [] + + # Initialize file names and command-line options + for i in range(self.num_imgs): + img_depth = self.num_imgs - i - 1 + opts.append("backing." * img_depth + "node-name=node%d" % i) + self.imgs.append(os.path.join(iotests.test_dir, 'img-%d.img' % i)) + + # Create all images + iotests.create_image(self.imgs[0], self.image_len) + for i in range(1, self.num_imgs): + qemu_img('create', '-f', iotests.imgfmt, + '-o', 'backing_file=%s' % self.imgs[i-1], self.imgs[i]) + + # Put data into some images so there's something to copy + for i in range(1, self.num_imgs, 2): + qemu_io('-f', iotests.imgfmt, + '-c', 'write -P %d %d %d' % (i, i*1024*1024, 1024*1024), + self.imgs[i]) + + # Attach the drive to the VM + self.vm = iotests.VM() + self.vm.add_drive("blkdebug::" + self.imgs[-1], ','.join(opts)) + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + for img in self.imgs: + os.remove(img) + + # Test that it's not possible to perform two block-stream + # operations if there are nodes involved in both. + def test_overlapping(self): + self.assert_no_active_block_jobs() + + # Set a speed limit to make sure that this job blocks the rest + result = self.vm.qmp('block-stream', device='node4', base=self.imgs[0], speed=32768) + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('block-stream', device='node5', base=self.imgs[1]) + self.assert_qmp(result, 'error/class', 'GenericError') + + result = self.vm.qmp('block-stream', device='node3', base=self.imgs[2]) + self.assert_qmp(result, 'error/class', 'GenericError') + + result = self.vm.qmp('block-stream', device='node4') + self.assert_qmp(result, 'error/class', 'GenericError') + + self.wait_until_completed(drive='node4') + self.assert_no_active_block_jobs() + + self.vm.shutdown() + class TestSmallerBackingFile(iotests.QMPTestCase): backing_len = 1 * 1024 * 1024 # MB image_len = 2 * backing_len diff --git a/tests/qemu-iotests/030.out b/tests/qemu-iotests/030.out index 96961ed..b6f2576 100644 --- a/tests/qemu-iotests/030.out +++ b/tests/qemu-iotests/030.out @@ -1,5 +1,5 @@ -............... +................ ---------------------------------------------------------------------- -Ran 15 tests +Ran 16 tests OK -- 2.8.0.rc3