First unit test attempt

#16

test/test_gridref.py

@@ -0,0 +1,35 @@
+# coding=utf-8
+"""Tests XY to OSGB functionality.
+
+
+.. note:: This program is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published by
+     the Free Software Foundation; either version 2 of the License, or
+     (at your option) any later version.
+
+"""
+__author__ = '[email protected]'
+__date__ = '15/01/2018'
+__copyright__ = ('Copyright 2018, Tom Chadwin')
+
+import os
+import unittest
+
+from utilities import get_qgis_app
+
+from xy_to_osgb import xy_to_osgb
+QGIS_APP = get_qgis_app()
+
+
+class QGISTest(unittest.TestCase):
+    """Test the QGIS Environment"""
+
+    def test_xy_to_osgb(self):
+        """Given XY returns correct OSGB coordinates"""
+
+        osgb_gridref = xy_to_osgb(393618.933445, 564351.935939)
+        expected = "NY9364"
+        self.assertEqual(osgb_gridref, expected)
+
+if __name__ == '__main__':
+    unittest.main()