Fix issue with NetworkFactory

Some tests were hanging due to the addresses generated by
factory.Faker('ipv4', network=True)

Replace it by a Sequence of /24 addresses

tests/functional/conftest.py

@@ -82,6 +82,7 @@ def session(db, request):
 
     Rollback any transaction to always leave the database clean
     """
+    factories.NetworkFactory.reset_sequence()
     factories.InterfaceFactory.reset_sequence()
     connection = db.engine.connect()
     transaction = connection.begin()

tests/functional/factories.py

@@ -121,7 +121,7 @@ class NetworkFactory(factory.alchemy.SQLAlchemyModelFactory):
 
     vlan_name = factory.Sequence(lambda n: f'vlan{n}')
     vlan_id = factory.Sequence(lambda n: 1600 + n)
-    address = factory.Faker('ipv4', network=True)
+    address = factory.Sequence(lambda n: f'192.168.{n}.0/24')
     scope = factory.SubFactory(NetworkScopeFactory)
     user = factory.SubFactory(UserFactory)
     domain = factory.SubFactory(DomainFactory)
@@ -130,19 +130,13 @@ class NetworkFactory(factory.alchemy.SQLAlchemyModelFactory):
     def first_ip(self):
         net = ipaddress.ip_network(self.address)
         hosts = list(net.hosts())
-        try:
-            return str(hosts[4])
-        except IndexError:
-            return str(hosts[0])
+        return str(hosts[4])
 
     @factory.lazy_attribute
     def last_ip(self):
         net = ipaddress.ip_network(self.address)
         hosts = list(net.hosts())
-        try:
-            return str(hosts[-5])
-        except IndexError:
-            return str(hosts[-1])
+        return str(hosts[-5])
 
 
 class InterfaceFactory(factory.alchemy.SQLAlchemyModelFactory):