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qemu-iotests: Test streaming to an intermediate layer

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This adds test_stream_intermediate(), similar to test_stream() but
streams to the intermediate image instead.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2016-10-28 10:08:13 +03:00 committed by Kevin Wolf
parent 1029641bef
commit 7b8a9e5ab4
2 changed files with 22 additions and 3 deletions
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21
tests/qemu-iotests/030
View file

@ -36,7 +36,7 @@ class TestSingleDrive(iotests.QMPTestCase):
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img)
qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 512', backing_img)
qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 524288 512', mid_img)
self.vm = iotests.VM().add_drive("blkdebug::" + test_img)
self.vm = iotests.VM().add_drive("blkdebug::" + test_img, "backing.node-name=mid")
self.vm.launch()
def tearDown(self):
@ -60,6 +60,25 @@ class TestSingleDrive(iotests.QMPTestCase):
qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img),
'image file map does not match backing file after streaming')
def test_stream_intermediate(self):
self.assert_no_active_block_jobs()
self.assertNotEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img),
qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img),
'image file map matches backing file before streaming')
result = self.vm.qmp('block-stream', device='mid', job_id='stream-mid')
self.assert_qmp(result, 'return', {})
self.wait_until_completed(drive='stream-mid')
self.assert_no_active_block_jobs()
self.vm.shutdown()
self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img),
qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img),
'image file map does not match backing file after streaming')
def test_stream_pause(self):
self.assert_no_active_block_jobs()

4
tests/qemu-iotests/030.out
View file

@ -1,5 +1,5 @@
..............
...............
----------------------------------------------------------------------
Ran 14 tests
Ran 15 tests
OK