self.assertTrue(self.compare_images(test_img, target_img),
'target image does not match source after mirroring')
+ def test_small_buffer(self):
+ self.assert_no_active_mirrors()
+
+ # A small buffer is rounded up automatically
+ result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
+ buf_size=4096, target=target_img)
+ self.assert_qmp(result, 'return', {})
+
+ self.complete_and_wait()
+ result = self.vm.qmp('query-block')
+ self.assert_qmp(result, 'return[0]/inserted/file', target_img)
+ self.vm.shutdown()
+ self.assertTrue(self.compare_images(test_img, target_img),
+ 'target image does not match source after mirroring')
+
+ def test_small_buffer2(self):
+ self.assert_no_active_mirrors()
+
+ qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d'
+ % (TestSingleDrive.image_len, TestSingleDrive.image_len), target_img)
+ result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
+ buf_size=65536, mode='existing', target=target_img)
+ self.assert_qmp(result, 'return', {})
+
+ self.complete_and_wait()
+ result = self.vm.qmp('query-block')
+ self.assert_qmp(result, 'return[0]/inserted/file', target_img)
+ self.vm.shutdown()
+ self.assertTrue(self.compare_images(test_img, target_img),
+ 'target image does not match source after mirroring')
+
def test_large_cluster(self):
self.assert_no_active_mirrors()