def test_updated_mtime(self):
"""
tests that newer mtime results in update
"""
vm0, cluster = self.create_virtual_machine()
vm1, chaff = self.create_virtual_machine(cluster, 'vm2.osuosl.bak')
os = 'image+gentoo-hardened-cf'
mtime_timestamp = 1285883000.1234000
mtime = datetime.fromtimestamp(mtime_timestamp)
new_mtime_timestamp = 1999999999.8692000
new_mtime = datetime.fromtimestamp(new_mtime_timestamp)
cached = datetime.now()
# set data so that mtime is up to date. include a data change that
# can be test for
data = list(INSTANCES_BULK)
data[0]['mtime'] = new_mtime_timestamp
data[1]['mtime'] = new_mtime_timestamp
cluster.rapi.GetInstances.response = data
VirtualMachine.objects.all().update(mtime=mtime, cached=cached, \
operating_system='image+fake', status='running')
# run updater and refresh the objects from the db
with MuteStdout():
update_cache()
vm0 = VirtualMachine.objects.filter(pk=vm0.id).values('mtime','cached','status','operating_system')[0]
vm1 = VirtualMachine.objects.filter(pk=vm1.id).values('mtime','cached','status','operating_system')[0]
# check for properties that are updated
self.assertEqual(os, vm0['operating_system'])
self.assertEqual(os, vm1['operating_system'])
self.assertEqual(new_mtime_timestamp, float(vm0['mtime']))
self.assertEqual(new_mtime_timestamp, float(vm1['mtime']))
self.assertEqual("running", vm0['status'])
self.assertEqual("running", vm1['status'])
if cached > datetime.fromtimestamp(float(vm0['cached'])):
self.fail('cache is not newer: %s, %s' % (cached, vm0.cached))
if cached > datetime.fromtimestamp(float(vm1['cached'])):
self.fail('cache is not newer: %s, %s' % (cached, vm1.cached))
def test_null_timestamps(self):
"""
Tests that the cache updater can handle updating records with null
timestamps
"""
vm0, cluster = self.create_virtual_machine()
vm1, chaff = self.create_virtual_machine(cluster, 'vm2.osuosl.bak')
os = 'image+gentoo-hardened-cf'
mtime_timestamp = 1285883000.8692000
mtime = datetime.fromtimestamp(mtime_timestamp)
cached = datetime.now()
# set data so that mtime is up to date. include a data change that
# can be test for
data = list(INSTANCES_BULK)
data[0]['mtime'] = mtime_timestamp
data[1]['mtime'] = mtime_timestamp
cluster.rapi.GetInstances.response = data
VirtualMachine.objects.all().update(mtime=None, cached=None, \
operating_system='image+fake', status='running')
# run updater and refresh the objects from the db
with MuteStdout():
update_cache()
vm0 = VirtualMachine.objects.filter(pk=vm0.id).values('mtime','cached','status','operating_system')[0]
vm1 = VirtualMachine.objects.filter(pk=vm1.id).values('mtime','cached','status','operating_system')[0]
# properties should not be updated because mtime and status indicated it
# was already up to date
self.assertEqual(os, vm0['operating_system'])
self.assertEqual(os, vm1['operating_system'])
self.assertEqual(mtime_timestamp, float(vm0['mtime']))
self.assertEqual(mtime_timestamp, float(vm1['mtime']))
self.assertEqual("running", vm0['status'])
self.assertEqual("running", vm1['status'])
if cached > datetime.fromtimestamp(float(vm0['cached'])):
self.fail('cache is not newer: %s, %s' % (cached, vm0.cached))
if cached > datetime.fromtimestamp(float(vm1['cached'])):
self.fail('cache is not newer: %s, %s' % (cached, vm1.cached))
