--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_deduplicate.py	Sun Dec 10 17:57:03 2017 -0800
@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+
+"""
+test deduplication
+"""
+
+import os
+import unittest
+from lemuriformes.deduplicate import deduplicate
+
+
+class TestDeduplicate(unittest.TestCase):
+
+    def test_deduplication(self):
+        """basic deduplication smoketest"""
+
+        data = [{'a': 'B', 'c': 1, 'd': 'd'},
+                {'a': 'a', 'c': 2, 'd': 'e'},
+                {'a': 'F', 'c': 1, 'd': 'G'},  # duplicate!
+                {'a': 'H', 'c': 3, 'd': 'I'},
+                {'a': 'b', 'c': 4, 'd': 'J'},  # duplicate!
+                {'a': 'K', 'c': 5, 'd': 'L'},
+        ]
+
+        deduped = deduplicate(data)
+        expected = [{'a': 'B', 'c': 1, 'd': 'd'},
+                    {'a': 'a', 'c': 2, 'd': 'e'},
+                    {'a': 'H', 'c': 3, 'd': 'I'},
+                    {'a': 'K', 'c': 5, 'd': 'L'},
+        ]
+        assert expected == deduped
+
+
+if __name__ == '__main__':
+    unittest.main()