--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_deteremine_distances.py	Sat Jun 24 12:03:39 2017 -0700
@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+
+"""
+test converstion: geoids intermediary to distances
+"""
+
+import json
+import os
+import unittest
+from globalneighbors.determine_distances import geoids2distances
+
+here = os.path.dirname(os.path.abspath(__file__))
+data = os.path.join(here, 'data')
+
+class DetermineDistncesTest(unittest.TestCase):
+
+    # full dataset:  test with caution
+    full_tsv = os.path.join(data, 'cities1000.txt')
+    full_tsv_lines = 149092
+
+    # neighbors within +/- 1 degree lat or lon from each other
+    twodegrees = os.path.join(data, '2degrees.json')
+
+    def test_2degrees(self):
+        """test cities within 2 degrees lat, lon of each other"""
+
+        # ensure our fixtures exist
+        assert os.path.exists(self.full_tsv)
+        assert os.path.exists(self.twodegrees)
+
+        # read neighbors file
+        with open(self.twodegrees) as f:
+            twodegrees = json.loads(f.read())
+
+
+if __name__ == '__main__':
+    unittest.main()