@@ -1190,6 +1190,52 @@ class TestOrphanedSource(iotests.QMPTestCase):
self.assertFalse('mirror-filter' in nodes,
'Mirror filter node did not disappear')
+# Test cases for @replaces that do not necessarily involve Quorum
+class TestReplaces(iotests.QMPTestCase):
+ # Each of these test cases needs their own block graph, so do not
+ # create any nodes here
+ def setUp(self):
+ self.vm = iotests.VM()
+ self.vm.launch()
+
+ def tearDown(self):
+ self.vm.shutdown()
+ for img in (test_img, target_img):
+ try:
+ os.remove(img)
+ except OSError:
+ pass
+
+ @iotests.skip_if_unsupported(['copy-on-read'])
+ def test_replace_filter(self):
+ """
+ Check that we can replace filter nodes.
+ """
+ result = self.vm.qmp('blockdev-add', **{
+ 'driver': 'copy-on-read',
+ 'node-name': 'filter0',
+ 'file': {
+ 'driver': 'copy-on-read',
+ 'node-name': 'filter1',
+ 'file': {
+ 'driver': 'null-co'
+ }
+ }
+ })
+ self.assert_qmp(result, 'return', {})
+
+ result = self.vm.qmp('blockdev-add',
+ node_name='target', driver='null-co')
+ self.assert_qmp(result, 'return', {})
+
+ result = self.vm.qmp('blockdev-mirror', job_id='mirror', device='filter0',
+ target='target', sync='full', replaces='filter1')
+ self.assert_qmp(result, 'return', {})
+
+ self.complete_and_wait('mirror')
+
+ self.vm.assert_block_path('filter0', '/file', 'target')
+
if __name__ == '__main__':
iotests.main(supported_fmts=['qcow2', 'qed'],
supported_protocols=['file'],
@@ -1,5 +1,5 @@
-.............................................................................................
+..............................................................................................
----------------------------------------------------------------------
-Ran 93 tests
+Ran 94 tests
OK