[OE-core] [PATCH 2/2] oeqa/selftest/wic: add test case for sparse images
Joshua Lock
joshua.g.lock at intel.com
Fri Apr 8 09:14:19 UTC 2016
From: Joshua Lock <joshua.lock at collabora.co.uk>
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.lock at collabora.co.uk>
Signed-off-by: Ed Bartosh <ed.bartosh at linux.intel.com>
---
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 a569fbf..dd32075 100644
--- a/meta/lib/oeqa/selftest/wic.py
+++ b/meta/lib/oeqa/selftest/wic.py
@@ -276,3 +276,16 @@ class Wic(oeSelfTest):
status, output = qemu.run_serial(command)
self.assertEqual(1, status, 'Failed to run command "%s": %s' % (command, output))
self.assertEqual(output, '/dev/root /\r\n/dev/vda3 /mnt')
+
+ 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)
--
2.5.5
More information about the Openembedded-core
mailing list