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qemu-iotests: Test BLOCK_JOB_READY event for 0Kb image active commit

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There should be a BLOCK_JOB_READY event with active commit, regardless
of image length. Let's test the 0 length image case, and make sure it
goes through the ready->complete process.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2014-06-24 20:26:37 +08:00 committed by Kevin Wolf
parent 9e48b02540
commit 8b9a30ca5b
2 changed files with 11 additions and 5 deletions
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12
tests/qemu-iotests/040
View File

@ -35,12 +35,13 @@ test_img = os.path.join(iotests.test_dir, 'test.img')
class ImageCommitTestCase(iotests.QMPTestCase):
'''Abstract base class for image commit test cases'''
def run_commit_test(self, top, base):
def run_commit_test(self, top, base, need_ready=False):
self.assert_no_active_block_jobs()
result = self.vm.qmp('block-commit', device='drive0', top=top, base=base)
self.assert_qmp(result, 'return', {})
completed = False
ready = False
while not completed:
for event in self.vm.get_qmp_events(wait=True):
if event['event'] == 'BLOCK_JOB_COMPLETED':
@ -48,8 +49,11 @@ class ImageCommitTestCase(iotests.QMPTestCase):
self.assert_qmp(event, 'data/device', 'drive0')
self.assert_qmp(event, 'data/offset', self.image_len)
self.assert_qmp(event, 'data/len', self.image_len)
if need_ready:
self.assertTrue(ready, "Expecting BLOCK_JOB_COMPLETED event")
completed = True
elif event['event'] == 'BLOCK_JOB_READY':
ready = True
self.assert_qmp(event, 'data/type', 'commit')
self.assert_qmp(event, 'data/device', 'drive0')
self.assert_qmp(event, 'data/len', self.image_len)
@ -63,7 +67,7 @@ class TestSingleDrive(ImageCommitTestCase):
test_len = 1 * 1024 * 256
def setUp(self):
iotests.create_image(backing_img, TestSingleDrive.image_len)
iotests.create_image(backing_img, self.image_len)
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img)
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img)
qemu_io('-c', 'write -P 0xab 0 524288', backing_img)
@ -105,7 +109,7 @@ class TestSingleDrive(ImageCommitTestCase):
self.assert_qmp(result, 'error/desc', 'Base \'badfile\' not found')
def test_top_is_active(self):
self.run_commit_test(test_img, backing_img)
self.run_commit_test(test_img, backing_img, need_ready=True)
self.assertEqual(-1, qemu_io('-c', 'read -P 0xab 0 524288', backing_img).find("verification failed"))
self.assertEqual(-1, qemu_io('-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed"))
@ -238,6 +242,8 @@ class TestSetSpeed(ImageCommitTestCase):
self.cancel_and_wait(resume=True)
class TestActiveZeroLengthImage(TestSingleDrive):
image_len = 0
if __name__ == '__main__':
iotests.main(supported_fmts=['qcow2', 'qed'])

4
tests/qemu-iotests/040.out
View File

@ -1,5 +1,5 @@
................
........................
----------------------------------------------------------------------
Ran 16 tests
Ran 24 tests
OK