diff --git a/test/nag.t b/test/nag.t
index 6dfd5f3be..ff7981d5c 100755
--- a/test/nag.t
+++ b/test/nag.t
@@ -1,63 +1,77 @@
-#! /usr/bin/env perl
-################################################################################
-##
-## Copyright 2006 - 2015, Paul Beckingham, Federico Hernandez.
-##
-## Permission is hereby granted, free of charge, to any person obtaining a copy
-## of this software and associated documentation files (the "Software"), to deal
-## in the Software without restriction, including without limitation the rights
-## to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-## copies of the Software, and to permit persons to whom the Software is
-## furnished to do so, subject to the following conditions:
-##
-## The above copyright notice and this permission notice shall be included
-## in all copies or substantial portions of the Software.
-##
-## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-## OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-## FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-## THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-## LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-## OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-## SOFTWARE.
-##
-## http://www.opensource.org/licenses/mit-license.php
-##
-################################################################################
+#!/usr/bin/env python2.7
+# -*- coding: utf-8 -*-
+###############################################################################
+#
+# Copyright 2006 - 2015, Paul Beckingham, Federico Hernandez.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+# http://www.opensource.org/licenses/mit-license.php
+#
+###############################################################################
 
-use strict;
-use warnings;
-use Test::More tests => 6;
+import sys
+import os
+import unittest
+# Ensure python finds the local simpletap module
+sys.path.append(os.path.dirname(os.path.abspath(__file__)))
 
-# Ensure environment has no influence.
-delete $ENV{'TASKDATA'};
-delete $ENV{'TASKRC'};
+from basetest import Task, TestCase
 
-# Create the rc file.
-if (open my $fh, '>', 'nag.rc')
-{
-  print $fh "data.location=.\n",
-            "nag=NAG\n";
-  close $fh;
-}
 
-my $setup = "../src/task rc:nag.rc add due:yesterday one 2>&1;"
-          . "../src/task rc:nag.rc add due:tomorrow two 2>&1;"
-          . "../src/task rc:nag.rc add priority:H three 2>&1;"
-          . "../src/task rc:nag.rc add priority:M four 2>&1;"
-          . "../src/task rc:nag.rc add priority:L five 2>&1;"
-          . "../src/task rc:nag.rc add six 2>&1;";
-qx{$setup};
+class TestNagging(TestCase):
+    @classmethod
+    def setUpClass(cls):
+        """Executed once before any test in the class"""
+        cls.t = Task()
+        cls.t.config("nag", "NAG")
 
-like   (qx{../src/task rc:nag.rc 6 done 2>&1 >/dev/null}, qr/NAG/, 'done pri: -> nag');
-like   (qx{../src/task rc:nag.rc 5 done 2>&1 >/dev/null}, qr/NAG/, 'done pri:L -> nag');
-like   (qx{../src/task rc:nag.rc 4 done 2>&1 >/dev/null}, qr/NAG/, 'done pri:M-> nag');
-like   (qx{../src/task rc:nag.rc 3 done 2>&1 >/dev/null}, qr/NAG/, 'done pri:H-> nag');
-like   (qx{../src/task rc:nag.rc 2 done 2>&1 >/dev/null}, qr/NAG/, 'done due:tomorrow -> nag');
-my $output = qx{../src/task rc:nag.rc 1 done 2>&1 >/dev/null};
-unlike ($output, qr/NAG/, 'done due:yesterday -> no nag');
+    def test_nagging(self):
+        """Verify that nagging works when tasks are done in the 'wrong' order"""
+        self.t("add due:yesterday one")
+        self.t("add due:tomorrow two")
+        self.t("add priority:H three")
+        self.t("add priority:M four")
+        self.t("add priority:L five")
+        self.t("add six")
 
-# Cleanup.
-unlink qw(pending.data completed.data undo.data backlog.data nag.rc);
-exit 0;
+        code, out, err = self.t("6 done")
+        self.assertIn("NAG", err)
 
+        code, out, err = self.t("5 done")
+        self.assertIn("NAG", err)
+
+        code, out, err = self.t("4 done")
+        self.assertIn("NAG", err)
+
+        code, out, err = self.t("3 done")
+        self.assertIn("NAG", err)
+
+        code, out, err = self.t("2 done")
+        self.assertIn("NAG", err)
+
+        code, out, err = self.t("1 done")
+        self.assertNotIn("NAG", err)
+
+
+if __name__ == "__main__":
+    from simpletap import TAPTestRunner
+    unittest.main(testRunner=TAPTestRunner())
+
+# vim: ai sts=4 et sw=4