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Location: conntrackt/conntrackt/tests/test_models.py
5193ae7fc0e1
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CONNT-20: Implemented output of related items that will get removed as part of cascading on the confirmation page. Includes one custom model and view mixin, and small changes to the delete confirmation template.
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#
# Copyright (C) 2013 Branko Majic
#
# This file is part of Django Conntrackt.
#
# Django Conntrackt 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.
#
# Django Conntrackt 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
# Django Conntrackt. If not, see <http://www.gnu.org/licenses/>.
#
# Django imports.
from django.core.exceptions import ValidationError
from django.db import IntegrityError
from django.test import TestCase
# Application imports.
from conntrackt.models import Project, Location, Entity, Interface, Communication
from conntrackt.models import SearchManager
# Test imports.
from .factories import ProjectFactory, LocationFactory
from .factories import ServerEntityFactory, ServerInterfaceFactory
from .factories import SubnetEntityFactory, SubnetInterfaceFactory
from .factories import CommunicationFactory
from .factories import setup_test_data
class ProjectTest(TestCase):
def test_unique_name(self):
"""
Test if unique project name is enforced.
"""
project = ProjectFactory()
self.assertRaises(IntegrityError, ProjectFactory, name=project.name)
def test_representation(self):
"""
Test the representation of project.
"""
project = ProjectFactory(name="Test Project")
self.assertEqual(str(project), "Test Project")
def test_absolute_url(self):
"""
Tests if the absolute URL is generated properly.
"""
project = ProjectFactory(pk=1)
self.assertEqual(project.get_absolute_url(), "/conntrackt/project/1/")
def test_custom_manager(self):
"""
Tests if the custom manager is being used.
"""
self.assertIsInstance(Project.objects, SearchManager)
class LocationTest(TestCase):
def test_unique_name(self):
"""
Test if unique location name is enforced.
"""
location = LocationFactory()
self.assertRaises(IntegrityError, LocationFactory, name=location.name)
def test_representation(self):
"""
Test the representation of location.
"""
project = LocationFactory(name="Test Location")
self.assertEqual(str(project), "Test Location")
class EntityTest(TestCase):
def setUp(cls):
"""
Set-up some test data.
"""
setup_test_data()
def test_incoming_communications(self):
"""
Test that we get correct list of incoming connections with the sample
data.
"""
entity = Entity.objects.get(pk=1)
incoming = Communication.objects.filter(pk__in=(1, 2, 3, 5))
self.assertItemsEqual(entity.incoming_communications(), incoming)
def test_outgoing_communications(self):
"""
Test that we get correct list of outgoing connections with the sample
data.
"""
entity = Entity.objects.get(pk=1)
outgoing = Communication.objects.filter(pk__in=(4, 6))
self.assertItemsEqual(entity.outgoing_communications(), outgoing)
def test_representation(self):
"""
Test the representation of entity.
"""
ent = Entity.objects.get(pk=1)
representation = "Test Entity 1 (Test Project 1 - Test Location 1)"
self.assertEqual(str(ent), representation)
def test_unique_name(self):
"""
Test if unique entity name is enforced across same project.
"""
entity1 = Entity.objects.get(pk=1)
entity_dup = Entity(name=entity1.name, description="Duplicate entity.", project=entity1.project, location=entity1.location)
self.assertRaises(IntegrityError, entity_dup.save)
def test_absolute_url(self):
"""
Tests if the absolute URL is generated properly.
"""
entity = Entity.objects.get(pk=1)
self.assertEqual(entity.get_absolute_url(), "/conntrackt/entity/1/")
def test_project_move_constraints(self):
"""
Tests if entity is prevented from being moved to different project in
case of existing communications.
"""
entity = Entity.objects.get(pk=1)
new_project = Project.objects.get(pk=2)
entity.project = new_project
self.assertRaisesRegexp(ValidationError, "The entity cannot be moved to different project as long as it has valid communications with entities in current project.", entity.clean)
def test_custom_manager(self):
"""
Tests if the custom manager is being used.
"""
self.assertIsInstance(Entity.objects, SearchManager)
class InterfaceTest(TestCase):
def setUp(self):
"""
Set-up some test data.
"""
setup_test_data()
def test_unique_name(self):
"""
Test if unique interface name is enforced across same entity.
"""
entity = Entity.objects.get(pk=1)
interface = entity.interface_set.get(pk=1)
duplicate = Interface(name=interface.name, description="Duplicate interface.", entity=entity, address="10.10.10.10", netmask="255.255.255.255")
self.assertRaises(IntegrityError, duplicate.save)
def test_unique_address(self):
"""
Test if unique address/netmask is enforced across same entity.
"""
entity = Entity.objects.get(pk=1)
interface = entity.interface_set.get(pk=1)
duplicate = Interface(name="eth1", description="Duplicate address", entity=entity, address=interface.address, netmask=interface.netmask)
self.assertRaises(IntegrityError, duplicate.save)
def test_representation_single(self):
"""
Test representation of single IP address.
"""
interface = Entity.objects.get(name="Test Entity 1").interface_set.get(name="eth0")
representation = "Test Entity 1 (192.168.1.1)"
self.assertEqual(str(interface), representation)
def test_representation_subnet(self):
"""
Test representation of subnet.
"""
interface = Entity.objects.get(pk=4).interface_set.get(name="switch0")
representation = "Test Subnet 4 (10.10.4.0/255.255.255.0)"
self.assertEqual(str(interface), representation)
class CommunicationTest(TestCase):
def setUp(self):
"""
Set-up some test data.
"""
setup_test_data()
def test_unique_communication(self):
"""
Test enforcement of unique communications.
"""
comm = Communication.objects.get(pk=1)
self.assertRaises(IntegrityError, Communication.objects.create, source=comm.source, destination=comm.destination, protocol=comm.protocol, port=comm.port, description="Duplicate communication.")
def test_project_same(self):
"""
Test enforcement of same project entities for communications.
"""
ent1 = Entity.objects.get(pk=1)
ent1_eth0 = ent1.interface_set.get(name="eth0")
ent5 = Entity.objects.get(pk=5)
ent5_eth0 = ent5.interface_set.get(name="eth0")
# Set-up a communication between different projects.
comm = Communication.objects.create(source=ent1_eth0, destination=ent5_eth0, protocol="ICMP", port="8", description="Ping.")
self.assertRaisesRegexp(ValidationError, 'Source and destination entities do not belong to the same project', comm.full_clean)
def test_same_entity(self):
"""
Test enforcement of differing entities for communication.
"""
ent = Entity.objects.get(pk=1)
ent_eth0 = ent.interface_set.get(name="eth0")
# Set-up a communication between same entity.
comm = Communication.objects.create(source=ent_eth0, destination=ent_eth0, protocol="ICMP", port="8", description="Ping.")
self.assertRaisesRegexp(ValidationError, "Source and destination entities are identical.", comm.full_clean)
def test_unsupported_protocol(self):
"""
Test enforcement of supported protocol.
"""
ent1 = Entity.objects.get(pk=1)
ent1_eth0 = ent1.interface_set.get(name="eth0")
ent2 = Entity.objects.get(pk=2)
ent2_eth0 = ent2.interface_set.get(name="eth0")
comm = Communication(source=ent1_eth0, destination=ent2_eth0, protocol="BOGUS", port="1234")
self.assertRaisesRegexp(ValidationError, "BOGUS is not a supported protocol.", comm.full_clean)
def test_edit_link(self):
"""
Tests the function for getting the edit link string.
"""
comm = Communication.objects.get(pk=1)
self.assertEqual("Edit", comm.edit_link())
def test_representation(self):
"""
Test the representation of communication.
"""
comm = Communication.objects.get(pk=1)
expected = "Test Entity 2 -> Test Entity 1 (TCP:22)"
self.assertEqual(expected, str(comm))
def test_source_representation(self):
"""
Test the representation of communication from source perspective.
"""
comm = Communication.objects.get(pk=1)
expected = "Test Entity 2 (192.168.1.2) - TCP: 22"
self.assertEqual(expected, comm.source_representation())
def test_destination_representation(self):
"""
Test the representation of communication from destination perspective.
"""
comm = Communication.objects.get(pk=1)
expected = "Test Entity 1 (192.168.1.1) - TCP: 22"
self.assertEqual(expected, comm.destination_representation())
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