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iotests/040: Don't check image pattern on zero-length image 

qemu-io fails on read/write beyond end-of-file on raw images, so skip
these invocations when running the zero-length image tests.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220418211504.943969-5-jsnow@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
This commit is contained in:
John Snow 2022-04-18 17:14:56 -04:00 committed by Hanna Reitz
parent e9039c0451
commit aaa0c0ef82
1 changed files with 12 additions and 2 deletions
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14
tests/qemu-iotests/040
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@ -86,8 +86,10 @@ class TestSingleDrive(ImageCommitTestCase):
qemu_img('create', '-f', iotests.imgfmt,
'-o', 'backing_file=%s' % mid_img,
'-F', iotests.imgfmt, test_img)
qemu_io('-f', 'raw', '-c', 'write -P 0xab 0 524288', backing_img)
qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xef 524288 524288', mid_img)
if self.image_len:
qemu_io('-f', 'raw', '-c', 'write -P 0xab 0 524288', backing_img)
qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xef 524288 524288',
mid_img)
self.vm = iotests.VM().add_drive(test_img, "node-name=top,backing.node-name=mid,backing.backing.node-name=base", interface="none")
self.vm.add_device('virtio-scsi')
self.vm.add_device("scsi-hd,id=scsi0,drive=drive0")
@ -101,11 +103,15 @@ class TestSingleDrive(ImageCommitTestCase):
def test_commit(self):
self.run_commit_test(mid_img, backing_img)
if not self.image_len:
return
qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img)
qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img)
def test_commit_node(self):
self.run_commit_test("mid", "base", node_names=True)
if not self.image_len:
return
qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img)
qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img)
@ -192,11 +198,15 @@ class TestSingleDrive(ImageCommitTestCase):
def test_top_is_active(self):
self.run_commit_test(test_img, backing_img, need_ready=True)
if not self.image_len:
return
qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img)
qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img)
def test_top_is_default_active(self):
self.run_default_commit_test()
if not self.image_len:
return
qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img)
qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img)