Hi Joshua,
Thank you for the patch!
Signed-off-by: Ed Bartosh <ed.bart...@linux.intel.com>
On Thu, Dec 17, 2015 at 07:43:41PM +0000, Joshua Lock wrote:
> Add a testcase to build a directdisk image and check that the
> used disk size is less than the apparent size, as wic now
> assembles images as sparse files.
>
> Signed-off-by: Joshua Lock <joshua.l...@collabora.co.uk>
> ---
> meta/lib/oeqa/selftest/wic.py | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/meta/lib/oeqa/selftest/wic.py b/meta/lib/oeqa/selftest/wic.py
> index 55f6f82..9050d28 100644
> --- a/meta/lib/oeqa/selftest/wic.py
> +++ b/meta/lib/oeqa/selftest/wic.py
> @@ -264,3 +264,16 @@ class Wic(oeSelfTest):
> self.assertEqual(0, runCmd("wic create %s -e core-image-minimal" \
> % image).status)
> self.assertEqual(1, len(glob(self.resultdir + "%s-*direct" % image)))
> +
> + def test_sparseness(self):
> + """Test that assembled images are sparse; apparent size > disk
> usage"""
> + self.assertEqual(0, runCmd("wic create directdisk "
> + "--image-name core-image-minimal").status)
> + images = glob(self.resultdir + "directdisk-*.direct")
> + self.assertEqual(1, len(images))
> +
> + imagestat = os.stat(images.pop())
> + # st_blocks is the "number of 512-byte blocks allocated for file"
> + used = imagestat.st_blocks*512
> + apparent = imagestat.st_size
> + self.assertLess(used, apparent)
--
Regards,
Ed
--
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