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iotests: Add read-only test case to 030 

This tests that the stream job exits cleanly (without abort) when the
top node is read-only and cannot be reopened read/write.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190703172813.6868-12-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Max Reitz 2019-07-03 19:28:12 +02:00
parent 13658cd70b
commit 0e4a0644bf
2 changed files with 30 additions and 3 deletions
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29
tests/qemu-iotests/030
View File

@ -36,7 +36,9 @@ 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, "backing.node-name=mid")
self.vm = iotests.VM().add_drive("blkdebug::" + test_img,
"backing.node-name=mid," +
"backing.backing.node-name=base")
self.vm.launch()
def tearDown(self):
@ -151,6 +153,31 @@ class TestSingleDrive(iotests.QMPTestCase):
result = self.vm.qmp('block-stream', device='mid')
self.assert_qmp(result, 'error/desc', "Invalid job ID ''")
def test_read_only(self):
# Create a new file that we can attach (we need a read-only top)
with iotests.FilePath('ro-top.img') as ro_top_path:
qemu_img('create', '-f', iotests.imgfmt, ro_top_path,
str(self.image_len))
result = self.vm.qmp('blockdev-add',
node_name='ro-top',
driver=iotests.imgfmt,
read_only=True,
file={
'driver': 'file',
'filename': ro_top_path,
'read-only': True
},
backing='mid')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('block-stream', job_id='stream',
device='ro-top', base_node='base')
self.assert_qmp(result, 'error/desc', 'Block node is read-only')
result = self.vm.qmp('blockdev-del', node_name='ro-top')
self.assert_qmp(result, 'return', {})
class TestParallelOps(iotests.QMPTestCase):
num_ops = 4 # Number of parallel block-stream operations

4
tests/qemu-iotests/030.out
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@ -1,5 +1,5 @@
..........................
...........................
----------------------------------------------------------------------
Ran 26 tests
Ran 27 tests
OK