diff --git a/conntrackt/tests/test_utils.py b/conntrackt/tests/test_utils.py
new file mode 100644
--- /dev/null
+++ b/conntrackt/tests/test_utils.py
@@ -0,0 +1,50 @@
+# Django imports.
+from django.test import TestCase
+
+# Application imports.
+from conntrackt.models import Entity
+from conntrackt import utils
+
+
+class GenerateEntityIptablesTest(TestCase):
+
+    fixtures = ['test-data.json']
+
+    def test_generated_iptables(self):
+        """
+        Tests if the entity's iptables are generated properly or not.
+        """
+
+        entity = Entity.objects.get(pk=1)
+        generated = utils.generate_entity_iptables(entity)
+
+        expected = """*filter
+:INPUT DROP [0:0]
+# Accept all incoming related traffic.
+-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
+
+# Accept all incoming traffic on loopback interface.
+-A INPUT -i lo -j ACCEPT
+
+# MySQL.
+-A INPUT -s 192.168.1.3/255.255.255.255 -d 192.168.1.1/255.255.255.255 -p tcp -m tcp --dport 3306 -j ACCEPT
+
+# Ping.
+-A INPUT -s 192.168.1.2/255.255.255.255 -d 192.168.1.1/255.255.255.255 -p icmp -m icmp --icmp-type 8 -j ACCEPT
+
+# SSH.
+-A INPUT -s 192.168.1.2/255.255.255.255 -d 192.168.1.1/255.255.255.255 -p tcp -m tcp --dport 22 -j ACCEPT
+-A INPUT -s 192.168.2.0/255.255.255.0 -d 192.168.1.1/255.255.255.255 -p tcp -m tcp --dport 22 -j ACCEPT
+
+:OUTPUT ACCEPT [0:0]
+:FORWARD DROP [0:0]
+COMMIT
+*nat
+:PREROUTING ACCEPT [0:0]
+:INPUT ACCEPT [0:0]
+:OUTPUT ACCEPT [0:0]
+:POSTROUTING ACCEPT [0:0]
+COMMIT
+"""
+        self.assertEqual(generated, expected)
+