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qemu-iotests: Test 0-length image for mirror 

All behavior and invariant should hold for images with 0 length, so
add a class to repeat all the tests in TestSingleDrive.

Hide two unapplicable test methods that would fail with 0 image length
because it's also used as cluster size.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2014-06-24 20:26:38 +08:00 committed by Kevin Wolf
parent 8b9a30ca5b
commit 3b9f27d2b3
2 changed files with 10 additions and 5 deletions
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11
tests/qemu-iotests/041
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@ -64,7 +64,7 @@ class TestSingleDrive(ImageMirroringTestCase):
image_len = 1 * 1024 * 1024 # MB image_len = 1 * 1024 * 1024 # MB
def setUp(self): 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, test_img) qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
self.vm = iotests.VM().add_drive(test_img) self.vm = iotests.VM().add_drive(test_img)
self.vm.launch() self.vm.launch()
@ -163,7 +163,7 @@ class TestSingleDrive(ImageMirroringTestCase):
self.assert_no_active_block_jobs() self.assert_no_active_block_jobs()
qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d' qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d'
% (TestSingleDrive.image_len, TestSingleDrive.image_len), target_img) % (self.image_len, self.image_len), target_img)
result = self.vm.qmp('drive-mirror', device='drive0', sync='full', result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
buf_size=65536, mode='existing', target=target_img) buf_size=65536, mode='existing', target=target_img)
self.assert_qmp(result, 'return', {}) self.assert_qmp(result, 'return', {})
@ -179,7 +179,7 @@ class TestSingleDrive(ImageMirroringTestCase):
self.assert_no_active_block_jobs() self.assert_no_active_block_jobs()
qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s' qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s'
% (TestSingleDrive.image_len, backing_img), target_img) % (self.image_len, backing_img), target_img)
result = self.vm.qmp('drive-mirror', device='drive0', sync='full', result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
mode='existing', target=target_img) mode='existing', target=target_img)
self.assert_qmp(result, 'return', {}) self.assert_qmp(result, 'return', {})
@ -206,6 +206,11 @@ class TestSingleDrive(ImageMirroringTestCase):
target=target_img) target=target_img)
self.assert_qmp(result, 'error/class', 'DeviceNotFound') self.assert_qmp(result, 'error/class', 'DeviceNotFound')
class TestSingleDriveZeroLength(TestSingleDrive):
image_len = 0
test_small_buffer2 = None
test_large_cluster = None
class TestMirrorNoBacking(ImageMirroringTestCase): class TestMirrorNoBacking(ImageMirroringTestCase):
image_len = 2 * 1024 * 1024 # MB image_len = 2 * 1024 * 1024 # MB

4
tests/qemu-iotests/041.out
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@ -1,5 +1,5 @@
........................... ...................................
---------------------------------------------------------------------- ----------------------------------------------------------------------
Ran 27 tests Ran 35 tests
OK OK