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wic: selftest: add tests for --fixed-size partition flags 

wic has a new flag for setting a fixed parition size --fixed-size. Add
tests that verify if partition is indeed sized properly and that errors
are signaled when there is not enough space to fit partition data.

(From OE-Core rev: 84c2184546779ece3eb23c5628e4c9d177568043)

Signed-off-by: Maciej Borzecki <maciej.borzecki@rndity.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Maciej Borzecki 2017-03-21 12:35:05 +01:00 committed by Richard Purdie
parent 17fe3eb453
commit 19090446da
1 changed files with 63 additions and 0 deletions
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63
meta/lib/oeqa/selftest/wic.py
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@ -29,6 +29,7 @@ import unittest
from glob import glob
from shutil import rmtree
from functools import wraps, lru_cache
from tempfile import NamedTemporaryFile
from oeqa.selftest.base import oeSelfTest
from oeqa.utils.commands import runCmd, bitbake, get_bb_var, get_bb_vars, runqemu
@ -64,10 +65,13 @@ class Wic(oeSelfTest):
resultdir = "/var/tmp/wic.oe-selftest/"
image_is_ready = False
native_sysroot = None
wicenv_cache = {}
def setUpLocal(self):
"""This code is executed before each test method."""
if not self.native_sysroot:
Wic.native_sysroot = get_bb_var('STAGING_DIR_NATIVE', 'wic-tools')
# Do this here instead of in setUpClass as the base setUp does some
# clean up which can result in the native tools built earlier in
@ -618,3 +622,62 @@ part /etc --source rootfs --ondisk mmcblk0 --fstype=ext4 --exclude-path bin/ --r
status, output = qemu.run_serial(cmd)
self.assertEqual(1, status, 'Failed to run command "%s": %s' % (cmd, output))
self.assertEqual(output, '3')
@staticmethod
def _make_fixed_size_wks(size):
"""
Create a wks of an image with a single partition. Size of the partition is set
using --fixed-size flag. Returns a tuple: (path to wks file, wks image name)
"""
with NamedTemporaryFile("w", suffix=".wks", delete=False) as tempf:
wkspath = tempf.name
tempf.write("part " \
"--source rootfs --ondisk hda --align 4 --fixed-size %d "
"--fstype=ext4\n" % size)
wksname = os.path.splitext(os.path.basename(wkspath))[0]
return wkspath, wksname
def test_fixed_size(self):
"""
Test creation of a simple image with partition size controlled through
--fixed-size flag
"""
wkspath, wksname = Wic._make_fixed_size_wks(200)
self.assertEqual(0, runCmd("wic create %s -e core-image-minimal -o %s" \
% (wkspath, self.resultdir)).status)
os.remove(wkspath)
wicout = glob(self.resultdir + "%s-*direct" % wksname)
self.assertEqual(1, len(wicout))
wicimg = wicout[0]
# verify partition size with wic
res = runCmd("parted -m %s unit mib p 2>/dev/null" % wicimg,
ignore_status=True,
native_sysroot=self.native_sysroot)
self.assertEqual(0, res.status)
# parse parted output which looks like this:
# BYT;\n
# /var/tmp/wic/build/tmpfwvjjkf_-201611101222-hda.direct:200MiB:file:512:512:msdos::;\n
# 1:0.00MiB:200MiB:200MiB:ext4::;\n
partlns = res.output.splitlines()[2:]
self.assertEqual(1, len(partlns))
self.assertEqual("1:0.00MiB:200MiB:200MiB:ext4::;", partlns[0])
def test_fixed_size_error(self):
"""
Test creation of a simple image with partition size controlled through
--fixed-size flag. The size of partition is intentionally set to 1MiB
in order to trigger an error in wic.
"""
wkspath, wksname = Wic._make_fixed_size_wks(1)
self.assertEqual(1, runCmd("wic create %s -e core-image-minimal -o %s" \
% (wkspath, self.resultdir), ignore_status=True).status)
os.remove(wkspath)
wicout = glob(self.resultdir + "%s-*direct" % wksname)
self.assertEqual(0, len(wicout))