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[Qemu-block] [PATCH v13 19/19] qemu-iotests: Test the 'base-node' parame


From: Alberto Garcia
Subject: [Qemu-block] [PATCH v13 19/19] qemu-iotests: Test the 'base-node' parameter of 'block-stream'
Date: Fri, 28 Oct 2016 10:08:20 +0300

The block-stream command has traditionally used the 'base' parameter
to indicate the image to copy the data from. This test checks that the
'base-node' parameter can also be used for the same purpose.

Signed-off-by: Alberto Garcia <address@hidden>
---
 tests/qemu-iotests/030     | 37 +++++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/030.out |  4 ++--
 2 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030
index 783a1b8..54db54a 100755
--- a/tests/qemu-iotests/030
+++ b/tests/qemu-iotests/030
@@ -347,6 +347,43 @@ class TestParallelOps(iotests.QMPTestCase):
 
         self.assert_no_active_block_jobs()
 
+    # Test the base_node parameter
+    def test_stream_base_node_name(self):
+        self.assert_no_active_block_jobs()
+
+        self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', 
self.imgs[4]),
+                            qemu_io('-f', iotests.imgfmt, '-c', 'map', 
self.imgs[3]),
+                            'image file map matches backing file before 
streaming')
+
+        # Error: the base node does not exist
+        result = self.vm.qmp('block-stream', device='node4', base_node='none', 
job_id='stream')
+        self.assert_qmp(result, 'error/class', 'GenericError')
+
+        # Error: the base node is not a backing file of the top node
+        result = self.vm.qmp('block-stream', device='node4', 
base_node='node6', job_id='stream')
+        self.assert_qmp(result, 'error/class', 'GenericError')
+
+        # Error: the base node is the same as the top node
+        result = self.vm.qmp('block-stream', device='node4', 
base_node='node4', job_id='stream')
+        self.assert_qmp(result, 'error/class', 'GenericError')
+
+        # Error: cannot specify 'base' and 'base-node' at the same time
+        result = self.vm.qmp('block-stream', device='node4', 
base=self.imgs[2], base_node='node2', job_id='stream')
+        self.assert_qmp(result, 'error/class', 'GenericError')
+
+        # Success: the base node is a backing file of the top node
+        result = self.vm.qmp('block-stream', device='node4', 
base_node='node2', job_id='stream')
+        self.assert_qmp(result, 'return', {})
+
+        self.wait_until_completed(drive='stream')
+
+        self.assert_no_active_block_jobs()
+        self.vm.shutdown()
+
+        self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', 
self.imgs[4]),
+                         qemu_io('-f', iotests.imgfmt, '-c', 'map', 
self.imgs[3]),
+                         'image file map matches backing file after streaming')
+
 class TestQuorum(iotests.QMPTestCase):
     num_children = 3
     children = []
diff --git a/tests/qemu-iotests/030.out b/tests/qemu-iotests/030.out
index c6a10f8..84bfd63 100644
--- a/tests/qemu-iotests/030.out
+++ b/tests/qemu-iotests/030.out
@@ -1,5 +1,5 @@
-.....................
+......................
 ----------------------------------------------------------------------
-Ran 21 tests
+Ran 22 tests
 
 OK
-- 
2.9.3




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