test_models.py
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# Copyright 2014 Budapest University of Technology and Economics (BME IK)
#
# This file is part of CIRCLE Cloud.
#
# CIRCLE is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# CIRCLE is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along
# with CIRCLE. If not, see <http://www.gnu.org/licenses/>.
from datetime import datetime
from mock import Mock, MagicMock, patch, call
import types
from celery.contrib.abortable import AbortableAsyncResult
from django.contrib.auth.models import User
from django.test import TestCase
from django.utils.translation import ugettext_lazy as _
from ..models import (
Lease, Node, Interface, Instance, InstanceTemplate, InstanceActivity,
)
from ..models.instance import find_unused_port, ActivityInProgressError
from ..operations import (
RemoteOperationMixin, DeployOperation, DestroyOperation, FlushOperation,
MigrateOperation,
)
class PortFinderTestCase(TestCase):
def test_find_unused_port_without_used_ports(self):
port = find_unused_port(port_range=(1000, 2000))
assert port is not None
def test_find_unused_port_with_fully_saturated_range(self):
r = (10, 20)
port = find_unused_port(port_range=r, used_ports=range(*r))
assert port is None
class TemplateTestCase(TestCase):
def test_template_creation(self):
template = InstanceTemplate(name='My first template',
access_method='ssh', )
template.clean()
# TODO add images & net
class InstanceTestCase(TestCase):
def test_is_running(self):
inst = MagicMock(status='RUNNING')
self.assertTrue(Instance.is_running.fget(inst))
def test_mon_stopped_while_activity_running(self):
node = Mock()
port = Mock()
inst = MagicMock(spec=Instance, node=node, vnc_port=port)
inst.save.side_effect = AssertionError
with patch('vm.models.instance.InstanceActivity') as ia:
ia.create.side_effect = ActivityInProgressError.create(MagicMock())
Instance.status = 'STOPPED'
self.assertEquals(inst.node, node)
self.assertEquals(inst.vnc_port, port)
def test_deploy_destroyed(self):
inst = Mock(destroyed_at=datetime.now(), spec=Instance,
InstanceDestroyedError=Instance.InstanceDestroyedError)
deploy_op = DeployOperation(inst)
with patch.object(DeployOperation, 'create_activity'):
with self.assertRaises(Instance.InstanceDestroyedError):
deploy_op(system=True)
def test_destroy_destroyed(self):
inst = Mock(destroyed_at=datetime.now(), spec=Instance,
InstanceDestroyedError=Instance.InstanceDestroyedError)
destroy_op = DestroyOperation(inst)
with patch.object(DestroyOperation, 'create_activity'):
with self.assertRaises(Instance.InstanceDestroyedError):
destroy_op(system=True)
self.assertFalse(inst.save.called)
def test_destroy_sets_destroyed(self):
inst = Mock(destroyed_at=None, spec=Instance, _delete_vm=Mock(),
InstanceDestroyedError=Instance.InstanceDestroyedError)
inst.node = MagicMock(spec=Node)
inst.disks.all.return_value = []
destroy_op = DestroyOperation(inst)
with patch.object(DestroyOperation, 'create_activity'):
destroy_op(system=True)
self.assertTrue(inst.destroyed_at)
inst.save.assert_called()
def test_migrate_with_scheduling(self):
inst = Mock(destroyed_at=None, spec=Instance)
inst.interface_set.all.return_value = []
inst.node = MagicMock(spec=Node)
inst.status = 'RUNNING'
migrate_op = MigrateOperation(inst)
with patch('vm.operations.vm_tasks.migrate') as migr, \
patch.object(RemoteOperationMixin, "_operation"):
act = MagicMock()
with patch.object(MigrateOperation, 'create_activity',
return_value=act):
migrate_op(system=True)
migr.apply_async.assert_called()
inst.allocate_node.assert_called()
inst.select_node.assert_called()
def test_migrate_wo_scheduling(self):
inst = MagicMock(destroyed_at=None, spec=Instance)
inst.interface_set.all.return_value = []
inst.node = MagicMock(spec=Node)
inst.status = 'RUNNING'
migrate_op = MigrateOperation(inst)
with patch('vm.operations.vm_tasks.migrate') as migr, \
patch.object(RemoteOperationMixin, "_operation"):
inst.select_node.side_effect = AssertionError
act = MagicMock()
with patch.object(MigrateOperation, 'create_activity',
return_value=act):
migrate_op(to_node=inst.node, system=True)
migr.apply_async.assert_called()
inst.allocate_node.assert_called()
def test_migrate_with_error(self):
inst = Mock(destroyed_at=None, spec=Instance)
inst.interface_set.all.return_value = []
inst.node = MagicMock(spec=Node)
inst.status = 'RUNNING'
e = Exception('abc')
setattr(e, 'libvirtError', '')
migrate_op = MigrateOperation(inst)
migrate_op.rollback = Mock()
with patch('vm.operations.vm_tasks.migrate') as migr, \
patch.object(RemoteOperationMixin, '_operation') as remop:
act = MagicMock()
remop.side_effect = e
with patch.object(MigrateOperation, 'create_activity',
return_value=act):
self.assertRaises(Exception, migrate_op, system=True)
remop.assert_called()
migr.apply_async.assert_called()
self.assertIn(call.sub_activity(
u'scheduling', readable_name=u'schedule'), act.mock_calls)
migrate_op.rollback.assert_called()
inst.select_node.assert_called()
def test_status_icon(self):
inst = MagicMock(spec=Instance)
inst.status = 'dummy-value'
self.assertEqual(Instance.get_status_icon(inst), 'fa-question')
inst.status = 'RUNNING'
self.assertEqual(Instance.get_status_icon(inst), 'fa-play')
class InterfaceTestCase(TestCase):
def test_interface_create(self):
from firewall.models import Vlan, Domain
owner = User()
owner.save()
i = Instance(id=10, owner=owner, access_method='rdp')
d = Domain(owner=owner)
d.save()
v = Vlan(vid=55, network4='127.0.0.1/8',
network6='2001::1/32', domain=d)
v.save()
Interface.create(i, v, managed=True, owner=owner)
class LeaseTestCase(TestCase):
fixtures = ['lease.json']
def test_methods(self):
from datetime import timedelta
td = timedelta(seconds=1)
l = Lease.objects.get(pk=1)
assert "never" not in unicode(l)
assert l.delete_interval > td
assert l.suspend_interval > td
l.delete_interval = None
assert "never" in unicode(l)
assert l.delete_interval is None
l.delete_interval = td * 2
assert "never" not in unicode(l)
l.suspend_interval = None
assert "never" in unicode(l)
class NodeTestCase(TestCase):
def test_state(self):
node = Mock(spec=Node)
node.online = True
node.enabled = True
node.schedule_enabled = True
node.STATES = Node.STATES
node._get_state = lambda: Node._get_state(node)
self.assertEqual(Node.get_state(node), "ACTIVE")
assert isinstance(Node.get_status_display(node), _("x").__class__)
class InstanceActivityTestCase(TestCase):
def test_create_concurrency_check(self):
instance = MagicMock(spec=Instance)
instance.activity_log.filter.return_value.__iter__.return_value = iter(
[MagicMock(spec=InstanceActivity, interruptible=False)])
instance.activity_log.filter.return_value.exists.return_value = True
with self.assertRaises(ActivityInProgressError):
InstanceActivity.create('test', instance, readable_name="test",
concurrency_check=True)
def test_create_no_concurrency_check(self):
instance = MagicMock(spec=Instance)
instance.activity_log.filter.return_value.exists.return_value = True
mock_instance_activity_cls = MagicMock(spec=InstanceActivity,
ACTIVITY_CODE_BASE='test')
original_create = InstanceActivity.create
mocked_create = types.MethodType(original_create.im_func,
mock_instance_activity_cls,
original_create.im_class)
try:
mocked_create('test', instance, readable_name="test",
concurrency_check=False)
except ActivityInProgressError:
raise AssertionError("'create' method checked for concurrent "
"activities.")
def test_create_sub_concurrency_check(self):
iaobj = MagicMock(spec=InstanceActivity)
iaobj.children.filter.return_value.exists.return_value = True
with self.assertRaises(ActivityInProgressError):
InstanceActivity.create_sub(iaobj, "test", readable_name="test",
concurrency_check=True)
def test_create_sub_no_concurrency_check(self):
iaobj = MagicMock(spec=InstanceActivity)
iaobj.activity_code = 'test'
iaobj.children.filter.return_value.exists.return_value = True
create_sub_func = InstanceActivity.create_sub
with patch('vm.models.activity.InstanceActivity'):
try:
create_sub_func(iaobj, 'test', readable_name="test",
concurrency_check=False)
except ActivityInProgressError:
raise AssertionError("'create_sub' method checked for "
"concurrent activities.")
def test_is_abortable(self):
get_op = MagicMock(return_value=MagicMock(abortable=True))
instance = MagicMock(get_operation_from_activity_code=get_op)
iaobj = MagicMock(spec=InstanceActivity, activity_code='test',
finished=False, instance=instance, task_uuid='test')
self.assertTrue(InstanceActivity.is_abortable.fget(iaobj))
def test_not_abortable_when_not_associated_with_task(self):
get_op = MagicMock(return_value=MagicMock(abortable=True))
instance = MagicMock(get_operation_from_activity_code=get_op)
iaobj = MagicMock(spec=InstanceActivity, activity_code='test',
finished=False, instance=instance, task_uuid=None)
self.assertFalse(InstanceActivity.is_abortable.fget(iaobj))
def test_not_abortable_when_finished(self):
get_op = MagicMock(return_value=MagicMock(abortable=True))
instance = MagicMock(get_operation_from_activity_code=get_op)
iaobj = MagicMock(spec=InstanceActivity, activity_code='test',
finished=True, instance=instance, task_uuid='test')
self.assertFalse(InstanceActivity.is_abortable.fget(iaobj))
def test_not_abortable_when_operation_not_abortable(self):
get_op = MagicMock(return_value=MagicMock(abortable=False))
instance = MagicMock(get_operation_from_activity_code=get_op)
iaobj = MagicMock(spec=InstanceActivity, activity_code='test',
finished=False, instance=instance, task_uuid='test')
self.assertFalse(InstanceActivity.is_abortable.fget(iaobj))
def test_not_abortable_when_no_matching_operation(self):
get_op = MagicMock(return_value=None)
instance = MagicMock(get_operation_from_activity_code=get_op)
iaobj = MagicMock(spec=InstanceActivity, activity_code='test',
finished=False, instance=instance, task_uuid='test')
self.assertFalse(InstanceActivity.is_abortable.fget(iaobj))
def test_not_aborted_when_not_associated_with_task(self):
iaobj = MagicMock(task_uuid=None)
self.assertFalse(InstanceActivity.is_aborted.fget(iaobj))
def test_is_aborted_when_associated_task_is_aborted(self):
expected = object()
iaobj = MagicMock(task_uuid='test')
with patch.object(AbortableAsyncResult, 'is_aborted',
return_value=expected):
self.assertEquals(expected,
InstanceActivity.is_aborted.fget(iaobj))
def test_is_abortable_for_activity_owner_if_not_abortable(self):
iaobj = MagicMock(spec=InstanceActivity, is_abortable=False,
user=MagicMock(spec=User, is_superuser=False))
self.assertFalse(InstanceActivity.is_abortable_for(iaobj, iaobj.user))
def test_is_abortable_for_instance_owner(self):
get_op = MagicMock(return_value=MagicMock(abortable=True))
instance = MagicMock(get_operation_from_activity_code=get_op,
owner=MagicMock(spec=User, is_superuser=False))
iaobj = MagicMock(spec=InstanceActivity, activity_code='test',
finished=False, instance=instance, task_uuid='test',
user=MagicMock(spec=User, is_superuser=False))
self.assertTrue(
InstanceActivity.is_abortable_for(iaobj, iaobj.instance.owner))
def test_is_abortable_for_activity_owner(self):
get_op = MagicMock(return_value=MagicMock(abortable=True))
instance = MagicMock(get_operation_from_activity_code=get_op)
iaobj = MagicMock(spec=InstanceActivity, activity_code='test',
finished=False, instance=instance, task_uuid='test',
user=MagicMock(spec=User, is_superuser=False))
self.assertTrue(InstanceActivity.is_abortable_for(iaobj, iaobj.user))
def test_not_abortable_for_foreign(self):
get_op = MagicMock(return_value=MagicMock(abortable=True))
instance = MagicMock(get_operation_from_activity_code=get_op)
iaobj = MagicMock(spec=InstanceActivity, activity_code='test',
finished=False, instance=instance, task_uuid='test')
self.assertFalse(InstanceActivity.is_abortable_for(
iaobj, MagicMock(spec=User, is_superuser=False)))
def test_is_abortable_for_superuser(self):
get_op = MagicMock(return_value=MagicMock(abortable=True))
instance = MagicMock(get_operation_from_activity_code=get_op)
iaobj = MagicMock(spec=InstanceActivity, activity_code='test',
finished=False, instance=instance, task_uuid='test')
su = MagicMock(spec=User, is_superuser=True)
self.assertTrue(InstanceActivity.is_abortable_for(iaobj, su))
def test_disable_enabled(self):
node = MagicMock(spec=Node, enabled=True, online=True)
node.instance_set.exists.return_value = False
Node._ops['disable'](node).check_precond()
def test_disable_disabled(self):
node = MagicMock(spec=Node, enabled=False)
with self.assertRaises(Exception):
Node._ops['disable'](node).check_precond()
def test_flush(self):
insts = [MagicMock(spec=Instance, migrate=MagicMock()),
MagicMock(spec=Instance, migrate=MagicMock())]
insts[0].name = insts[1].name = "x"
node = MagicMock(spec=Node, enabled=True, schedule_enabled=True)
node.instance_set.all.return_value = insts
user = MagicMock(spec=User)
user.is_superuser = MagicMock(return_value=True)
with patch.object(FlushOperation, 'create_activity') as create_act, \
patch.object(
Node._ops['passivate'], 'create_activity') as create_act2:
FlushOperation(node)(user=user)
node.schedule_enabled = True
create_act.assert_called()
create_act2.assert_called()
for i in insts:
i.migrate.assert_called()
user.is_superuser.assert_called()
def test_flush_disabled_wo_user(self):
insts = [MagicMock(spec=Instance, migrate=MagicMock()),
MagicMock(spec=Instance, migrate=MagicMock())]
insts[0].name = insts[1].name = "x"
node = MagicMock(spec=Node, enabled=False, schedule_enabled=False)
node.instance_set.all.return_value = insts
flush_op = FlushOperation(node)
with patch.object(FlushOperation, 'create_activity') as create_act:
create_act.return_value = MagicMock()
flush_op(system=True)
create_act.assert_called()
for i in insts:
i.migrate.assert_called()