ping test!!

t/test_core.py

 #!/usr/bin/env python
 # vim:ts=4:sw=4:et:ai:sts=4
 
-import grp, pwd, unittest
-import netns
+import grp, os, pwd, unittest
+import netns, test_util
 
 class TestConfigure(unittest.TestCase):
     def test_config_run_as_static(self):
@@ -17,5 +17,21 @@ class TestConfigure(unittest.TestCase):
         self.assertRaises(AttributeError, setattr, netns.config,
                 'run_as', -1)
 
+class TestGlobal(unittest.TestCase):
+    @test_util.skipUnless(os.getuid() == 0, "Test requires root privileges")
+    def test_run_ping(self):
+        n1 = netns.Node()
+        n2 = netns.Node()
+        i1, i2 = netns.P2PInterface.create_pair(n1, n2)
+        i1.up = i2.up = True
+        i1.add_v4_address('10.0.0.1', 24)
+        i2.add_v4_address('10.0.0.2', 24)
+
+        null = file('/dev/null', 'wb')
+        a1 = n1.Popen(['ping', '-qc1', '10.0.0.2'], stdout = null)
+        a2 = n2.Popen(['ping', '-qc1', '10.0.0.1'], stdout = null)
+        self.assertEquals(a1.wait(), 0)
+        self.assertEquals(a2.wait(), 0)
+
 if __name__ == '__main__':
     unittest.main()