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| author | Alberto Garcia <berto@igalia.com> | 2016-03-21 15:47:27 +0200 |
|---|---|---|
| committer | Jeff Cody <jcody@redhat.com> | 2016-03-28 13:56:44 -0400 |
| commit | 409d54986d47b8279c70591e65ee4f3b1771944a (patch) | |
| tree | 5b22350466721e338ea9d6d3f7b74bf746fd7ebd /tests/qemu-iotests | |
| parent | 5e302a7de64411160ece00a9e894aab923b0c3e6 (diff) | |
| download | qemu-409d54986d47b8279c70591e65ee4f3b1771944a.tar.gz qemu-409d54986d47b8279c70591e65ee4f3b1771944a.tar.bz2 qemu-409d54986d47b8279c70591e65ee4f3b1771944a.zip | |
qemu-iotests: add no-op streaming test
This patch tests that in a partial block-stream operation, no data is
ever copied from the base image.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 5272a2aa57bc0b3f981f8b3e0c813e58a88c974b.1458566441.git.berto@igalia.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
Diffstat (limited to 'tests/qemu-iotests')
| -rwxr-xr-x | tests/qemu-iotests/030 | 18 | ||||
| -rw-r--r-- | tests/qemu-iotests/030.out | 4 |
2 files changed, 20 insertions, 2 deletions
diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030 index 48a924ccc7..3ac2443e5b 100755 --- a/tests/qemu-iotests/030 +++ b/tests/qemu-iotests/030 @@ -91,6 +91,24 @@ 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_no_op(self): + self.assert_no_active_block_jobs() + + # The image map is empty before the operation + empty_map = qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img) + + # This is a no-op: no data should ever be copied from the base image + result = self.vm.qmp('block-stream', device='drive0', base=mid_img) + self.assert_qmp(result, 'return', {}) + + self.wait_until_completed() + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), + empty_map, 'image file map changed after a no-op') + def test_stream_partial(self): self.assert_no_active_block_jobs() diff --git a/tests/qemu-iotests/030.out b/tests/qemu-iotests/030.out index fa16b5ccef..6323079e08 100644 --- a/tests/qemu-iotests/030.out +++ b/tests/qemu-iotests/030.out @@ -1,5 +1,5 @@ -............. +.............. ---------------------------------------------------------------------- -Ran 13 tests +Ran 14 tests OK |