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Add delta support to the update test harness.

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Change-Id: I94159ac5468dd486123f7cb00da29526b5857d8f

BUG=8192
TEST=Tested with other CL's.

Review URL: http://codereview.chromium.org/4170004
This commit is contained in:
Chris Sosa 2010-10-26 21:42:47 -07:00
parent 8e3e834e4a
commit 54f3b0bbd6
1 changed files with 18 additions and 0 deletions
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18
bin/cros_au_test_harness.py
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@ -33,6 +33,8 @@ _VERIFY_SUITE = 'suite_Smoke'
class AUTest(object):
"""Abstract interface that defines an Auto Update test."""
source_image = ''
use_delta_updates = False
def setUp(self):
unittest.TestCase.setUp(self)
@ -129,11 +131,15 @@ class AUTest(object):
# with the dev channel.
percent_passed = self.VerifyImage(10)
if self.use_delta_updates: self.source_image = base_image_path
# Update to - all tests should pass on new image.
Info('Updating from base image on vm to target image.')
self.UpdateImage(target_image_path)
self.VerifyImage(100)
if self.use_delta_updates: self.source_image = target_image_path
# Update from - same percentage should pass that originally passed.
Info('Updating from updated image on vm back to base image.')
self.UpdateImage(base_image_path)
@ -154,11 +160,15 @@ class AUTest(object):
# with the dev channel.
percent_passed = self.VerifyImage(10)
if self.use_delta_updates: self.source_image = base_image_path
# Update to - all tests should pass on new image.
Info('Updating from base image on vm to target image and wiping stateful.')
self.UpdateImage(target_image_path, 'clean')
self.VerifyImage(100)
if self.use_delta_updates: self.source_image = target_image_path
# Update from - same percentage should pass that originally passed.
Info('Updating from updated image back to base image and wiping stateful.')
self.UpdateImage(base_image_path, 'clean')
@ -185,6 +195,7 @@ class RealAUTest(unittest.TestCase, AUTest):
'--remote=%s' % remote,
stateful_change_flag,
'--verify',
'--src_image=%s' % self.source_image,
], enter_chroot=False)
@ -250,6 +261,7 @@ class VirtualAUTest(unittest.TestCase, AUTest):
'--persist',
'--kvm_pid=%s' % _KVM_PID_FILE,
stateful_change_flag,
'--src_image=%s' % self.source_image,
], enter_chroot=False)
def VerifyImage(self, percent_required_to_pass):
@ -282,6 +294,9 @@ if __name__ == '__main__':
help='Remote address for real test.')
parser.add_option('--no_graphics', action='store_true',
help='Disable graphics for the vm test.')
parser.add_option('--no_delta', action='store_false', default=True,
dest='delta',
help='Disable using delta updates.')
# Set the usage to include flags.
parser.set_usage(parser.format_help())
# Parse existing sys.argv so we can pass rest to unittest.main.
@ -304,9 +319,12 @@ if __name__ == '__main__':
if not board:
parser.error('Need board to convert base image to vm.')
# Communicate flags to tests.
vm_graphics_flag = ''
if options.no_graphics: vm_graphics_flag = '--no_graphics'
AUTest.use_delta_updates = options.delta
# Only run the test harness we care about.
if options.type == 'vm':
suite = unittest.TestLoader().loadTestsFromTestCase(VirtualAUTest)