Skip postgres-related tests if not using postgres

vpn/tests.py

@@ -1,7 +1,10 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+from unittest import skipUnless
+
 from django.test import TestCase
+from django.conf import settings
 
 from coin.offers.models import Offer, OfferSubscription
 from coin.resources.models import IPPool, IPSubnet
@@ -10,6 +13,9 @@ from coin.members.tests import MemberTestsUtils
 
 from .models import VPNConfiguration
 
+USING_POSTGRES = (settings.DATABASES['default']['ENGINE']
+                  ==
+                  'django.db.backends.postgresql_psycopg2')
 
 class VPNTestCase(TestCase):
     fixtures = ['example_pools.json', 'offers.json']
@@ -56,10 +62,12 @@ class VPNTestCase(TestCase):
             vpn.delete()
         Member.objects.get().delete()
 
+    @skipUnless(USING_POSTGRES, "Using a postgresql-only field")
     def test_has_ipv4_endpoint(self):
         vpn = VPNConfiguration.objects.all()[0]
         self.assertIsNotNone(vpn.ipv4_endpoint)
 
+    @skipUnless(USING_POSTGRES, "Using a postgresql-only field")
     def test_has_correct_ipv4_endpoint(self):
         """If there is not endpoint, we consider it to be correct."""
         vpn = VPNConfiguration.objects.all()[0]
@@ -67,10 +75,12 @@ class VPNTestCase(TestCase):
             subnet = vpn.ip_subnet.get(ip_pool=self.v4_pool)
             self.assertIn(vpn.ipv4_endpoint, subnet.inet)
 
+    @skipUnless(USING_POSTGRES, "Using a postgresql-only field")
     def test_has_ipv6_endpoint(self):
         vpn = VPNConfiguration.objects.all()[0]
         self.assertIsNotNone(vpn.ipv6_endpoint)
 
+    @skipUnless(USING_POSTGRES, "Using a postgresql-only field")
     def test_has_correct_ipv6_endpoint(self):
         """If there is not endpoint, we consider it to be correct."""
         vpn = VPNConfiguration.objects.all()[0]
@@ -78,6 +88,7 @@ class VPNTestCase(TestCase):
             subnet = vpn.ip_subnet.get(ip_pool=self.v6_pool)
             self.assertIn(vpn.ipv6_endpoint, subnet.inet)
 
+    @skipUnless(USING_POSTGRES, "Using a postgresql-only field")
     def test_change_v4subnet_is_vpn_endpoint_correct(self):
         vpn = VPNConfiguration.objects.all()[0]
         subnet = vpn.ip_subnet.get(ip_pool=self.v4_pool)
@@ -86,6 +97,7 @@ class VPNTestCase(TestCase):
         subnet.save()
         self.test_has_correct_ipv4_endpoint()
 
+    @skipUnless(USING_POSTGRES, "Using a postgresql-only field")
     def test_change_v6subnet_is_vpn_endpoint_correct(self):
         vpn = VPNConfiguration.objects.all()[0]
         subnet = vpn.ip_subnet.get(ip_pool=self.v6_pool)