diff --git a/conntrackt/tests/factories.py b/conntrackt/tests/factories.py
new file mode 100644
--- /dev/null
+++ b/conntrackt/tests/factories.py
@@ -0,0 +1,140 @@
+# Third-party application imports.
+import factory
+
+# Application imports.
+from conntrackt.models import Project, Location, Entity, Interface, Communication
+
+
+class ProjectFactory(factory.django.DjangoModelFactory):
+    """
+    Factory for producing projects where name is set to "Test Project N", and N
+    is an increasing sequence. Description is based on name.
+    """
+
+    FACTORY_FOR = Project
+
+    @factory.sequence
+    def name(n):
+        return "Test Project %d" % n
+
+    description = factory.LazyAttribute(lambda d: "This is %s." % d.name)
+
+
+class LocationFactory(factory.django.DjangoModelFactory):
+    """
+    Factory for producing locations where name is set to "Test Location N", and
+    N is an increasing sequence. Description is based on name.
+    """
+
+    FACTORY_FOR = Location
+
+    @factory.sequence
+    def name(n):
+        return "Test Location %d" % n
+
+    description = factory.LazyAttribute(lambda d: "This is %s." % d.name)
+
+
+class ServerInterfaceFactory(factory.django.DjangoModelFactory):
+    """
+    Factory for producing server interfaces. Interface IP address is set to
+    192.168.1.N, where N is a sequence. The netmask is always set to
+    "255.255.255.255". The interface name is always set to eth0.
+    """
+
+    FACTORY_FOR = Interface
+    netmask = "255.255.255.255"
+    name = "eth0"
+
+    @factory.sequence
+    def address(n):
+        return "192.168.1.%d" % (n)
+
+
+class SubnetInterfaceFactory(factory.django.DjangoModelFactory):
+    """
+    Factory for producing subnet "interfaces". Interface IP address is set to
+    10.10.N.0, where N is a sequence. Interface name is always set to
+    switch0. Netmask is set to "255.255.255.0".
+    """
+
+    FACTORY_FOR = Interface
+    netmask = "255.255.255.0"
+    name = "switch0"
+
+    @factory.sequence
+    def address(n):
+        return "10.10.%d.0" % (n)
+
+
+class ServerEntityFactory(factory.django.DjangoModelFactory):
+    """
+    Factory for producing server entities where name is set to "Test Entity N",
+    and N is an increasing sequence.
+    """
+
+    FACTORY_FOR = Entity
+
+    interface = factory.RelatedFactory(ServerInterfaceFactory, "entity")
+
+    @factory.sequence
+    def name(n):
+        return "Test Entity %d" % n
+
+    description = factory.LazyAttribute(lambda d: "This is %s." % d.name)
+
+
+class SubnetEntityFactory(factory.django.DjangoModelFactory):
+    """
+    Factory for producing subnet entities where name is set to "Test Subnet N",
+    and N is an increasing sequence.
+    """
+
+    FACTORY_FOR = Entity
+
+    interface = factory.RelatedFactory(SubnetInterfaceFactory, "entity")
+
+    @factory.sequence
+    def name(n):
+        return "Test Subnet %d" % n
+
+    description = factory.LazyAttribute(lambda d: "This is %s." % d.name)
+
+
+class CommunicationFactory(factory.django.DjangoModelFactory):
+    """
+    Factory for producing communications. The descriptin of communication will
+    be based on protocol and port.
+    """
+
+    FACTORY_FOR = Communication
+
+    description = factory.LazyAttribute(lambda d: "Communicate over %s:%s" % (d.protocol, d.port))
+
+
+def setup_test_data():
+    """
+    Sets-up some test data for testing more complex functionality.
+    """
+
+    for factory in ProjectFactory, LocationFactory, ServerEntityFactory, SubnetEntityFactory, ServerInterfaceFactory, SubnetInterfaceFactory, CommunicationFactory:
+        factory.reset_sequence()
+
+    project1 = ProjectFactory(pk=1)
+    project2 = ProjectFactory(pk=2)
+
+    location1 = LocationFactory(pk=1)
+    location2 = LocationFactory(pk=2)
+
+    entity1 = ServerEntityFactory(pk=1, project=project1, location=location1)
+    entity2 = ServerEntityFactory(pk=2, project=project1, location=location1)
+    entity3 = ServerEntityFactory(pk=3, project=project1, location=location2)
+    entity4 = SubnetEntityFactory(pk=4, project=project1, location=location2)
+    entity5 = ServerEntityFactory(pk=5, project=project2, location=location1)
+
+    communication1 = CommunicationFactory(pk=1, source_id=2, destination_id=1, protocol="TCP", port="22")
+    communication2 = CommunicationFactory(pk=2, source_id=2, destination_id=1, protocol="ICMP", port="8")
+    communication3 = CommunicationFactory(pk=3, source_id=3, destination_id=1, protocol="TCP", port="3306")
+    communication4 = CommunicationFactory(pk=4, source_id=1, destination_id=3, protocol="UDP", port="53")
+    communication5 = CommunicationFactory(pk=5, source_id=4, destination_id=1, protocol="TCP", port="22")
+    communication6 = CommunicationFactory(pk=6, source_id=1, destination_id=2, protocol="UDP", port="123")