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# Copyright (C) 2013 Intel Corporation
#
# Released under the MIT license (see COPYING.MIT)
# testimage.bbclass enables testing of qemu images using python unittests.
# Most of the tests are commands run on target image over ssh.
# To use it add testimage to global inherit and call your target image with -c testimage
# You can try it out like this:
# - first build a qemu core-image-sato
# - add INHERIT += "testimage" in local.conf
# - then bitbake core-image-sato -c testimage. That will run a standard suite of tests.
# You can set (or append to) TEST_SUITES in local.conf to select the tests
# which you want to run for your target.
# The test names are the module names in meta/lib/oeqa/runtime.
# Each name in TEST_SUITES represents a required test for the image. (no skipping allowed)
# Appending "auto" means that it will try to run all tests that are suitable for the image (each test decides that on it's own).
# Note that order in TEST_SUITES is important (it's the order tests run) and it influences tests dependencies.
# A layer can add its own tests in lib/oeqa/runtime, provided it extends BBPATH as normal in its layer.conf.
# TEST_LOG_DIR contains a ssh log (what command is running, output and return codes) and a qemu boot log till login
# Booting is handled by this class, and it's not a test in itself.
# TEST_QEMUBOOT_TIMEOUT can be used to set the maximum time in seconds the launch code will wait for the login prompt.
TEST_LOG_DIR ?= "${WORKDIR}/testimage"
DEFAULT_TEST_SUITES = "ping auto"
DEFAULT_TEST_SUITES_pn-core-image-minimal = "ping"
DEFAULT_TEST_SUITES_pn-core-image-sato = "ping ssh df connman syslog xorg scp vnc date rpm smart dmesg"
DEFAULT_TEST_SUITES_pn-core-image-sato-sdk = "ping ssh df connman syslog xorg scp vnc date perl ldd gcc rpm smart dmesg"
TEST_SUITES ?= "${DEFAULT_TEST_SUITES}"
TEST_QEMUBOOT_TIMEOUT ?= "1000"
python do_testimage() {
testimage_main(d)
}
addtask testimage
do_testimage[nostamp] = "1"
do_testimage[depends] += "qemu-native:do_populate_sysroot"
do_testimage[depends] += "qemu-helper-native:do_populate_sysroot"
def get_tests_list(d):
testsuites = d.getVar("TEST_SUITES", True).split()
bbpath = d.getVar("BBPATH", True).split(':')
# This relies on lib/ under each directory in BBPATH being added to sys.path
# (as done by default in base.bbclass)
testslist = []
for testname in testsuites:
if testname != "auto":
found = False
for p in bbpath:
if os.path.exists(os.path.join(p, 'lib', 'oeqa', 'runtime', testname + '.py')):
testslist.append("oeqa.runtime." + testname)
found = True
break
if not found:
bb.error('Test %s specified in TEST_SUITES could not be found in lib/oeqa/runtime under BBPATH' % testname)
if "auto" in testsuites:
def add_auto_list(path):
if not os.path.exists(os.path.join(path, '__init__.py')):
bb.fatal('Tests directory %s exists but is missing __init__.py' % path)
files = sorted([f for f in os.listdir(path) if f.endswith('.py') and not f.startswith('_')])
for f in files:
module = 'oeqa.runtime.' + f[:-3]
if module not in testslist:
testslist.append(module)
for p in bbpath:
testpath = os.path.join(p, 'lib', 'oeqa', 'runtime')
bb.debug(2, 'Searching for tests in %s' % testpath)
if os.path.exists(testpath):
add_auto_list(testpath)
return testslist
def testimage_main(d):
import unittest
import os
import oeqa.runtime
import re
import shutil
from oeqa.oetest import runTests
from oeqa.utils.sshcontrol import SSHControl
from oeqa.utils.qemurunner import QemuRunner
testdir = d.getVar("TEST_LOG_DIR", True)
bb.utils.mkdirhier(testdir)
# tests in TEST_SUITES become required tests
# they won't be skipped even if they aren't suitable for a image (like xorg for minimal)
# testslist is what we'll actually pass to the unittest loader
testslist = get_tests_list(d)
testsrequired = [t for t in d.getVar("TEST_SUITES", True).split() if t != "auto"]
class TestContext:
def __init__(self):
self.d = d
self.testslist = testslist
self.testsrequired = testsrequired
self.filesdir = os.path.join(os.path.dirname(os.path.abspath(oeqa.runtime.__file__)),"files")
# test context
tc = TestContext()
# prepare qemu instance
# and boot each supported fs type
machine=d.getVar("MACHINE", True)
#will handle fs type eventually, stick with ext3 for now
#make a copy of the original rootfs and use that for tests
origrootfs=os.path.join(d.getVar("DEPLOY_DIR_IMAGE", True), d.getVar("IMAGE_LINK_NAME",True) + '.ext3')
rootfs=os.path.join(testdir, d.getVar("IMAGE_LINK_NAME", True) + '-testimage.ext3')
try:
shutil.copyfile(origrootfs, rootfs)
except Exception as e:
bb.fatal("Error copying rootfs: %s" % e)
qemu = QemuRunner(machine, rootfs)
qemu.tmpdir = d.getVar("TMPDIR", True)
qemu.deploy_dir_image = d.getVar("DEPLOY_DIR_IMAGE", True)
qemu.display = d.getVar("BB_ORIGENV", False).getVar("DISPLAY", True)
qemu.logfile = os.path.join(testdir, "qemu_boot_log.%s" % d.getVar('DATETIME', True))
try:
qemu.boottime = int(d.getVar("TEST_QEMUBOOT_TIMEOUT", True))
except ValueError:
qemu.boottime = 500
qemuloglink = os.path.join(testdir, "qemu_boot_log")
if os.path.islink(qemuloglink):
os.unlink(qemuloglink)
os.symlink(qemu.logfile, qemuloglink)
sshlog = os.path.join(testdir, "ssh_target_log.%s" % d.getVar('DATETIME', True))
sshloglink = os.path.join(testdir, "ssh_target_log")
if os.path.islink(sshloglink):
os.unlink(sshloglink)
os.symlink(sshlog, sshloglink)
bb.note("DISPLAY value: %s" % qemu.display)
bb.note("rootfs file: %s" % rootfs)
bb.note("Qemu log file: %s" % qemu.logfile)
bb.note("SSH log file: %s" % sshlog)
#catch exceptions when loading or running tests (mostly our own errors)
try:
if qemu.launch():
# set more context - ssh instance and qemu
# we do these here because we needed qemu to boot and get the ip
tc.qemu = qemu
tc.target = SSHControl(host=qemu.ip,logfile=sshlog)
# run tests and get the results
result = runTests(tc)
if result.wasSuccessful():
bb.note("All required tests passed")
else:
raise bb.build.FuncFailed("Some tests failed. You should check the task log and the ssh log. (ssh log is %s" % sshlog)
else:
raise bb.build.FuncFailed("Failed to start qemu. You should check the task log and the qemu boot log (qemu log is %s)" % qemu.logfile)
finally:
qemu.kill()
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