Commit 7eb13c9d authored by Alberto Garcia's avatar Alberto Garcia Committed by Kevin Wolf
Browse files

qemu-iotests: Test the 'base-node' parameter of 'block-stream' 



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: default avatarAlberto Garcia <berto@igalia.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent 312fe09c

tests/qemu-iotests/030

+37 −0
Original line number Diff line number Diff line
@@ -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 = []

tests/qemu-iotests/030.out

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Ran 21 tests

Ran 22 tests



OK