--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_json2csv.py	Sun Dec 10 17:57:03 2017 -0800
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+
+"""
+test JSON to CSV conversion
+"""
+
+import unittest
+from lemuriformes import json2csv
+
+
+class TestJSON2CSV(unittest.TestCase):
+
+    def test_flatten(self):
+        data = [{'a': 'B', 'c': 1, 'd': 'd'},
+                {'a': 'a', 'c': 2, 'd': 'e'},
+                {'a': 'H', 'c': 3, 'd': 'I'},
+                {'a': 'K', 'c': 5, 'd': 'L'},
+        ]
+        header = ['a', 'c', 'd']
+        expected = [['B', 1, 'd'],
+                    ['a', 2, 'e'],
+                    ['H', 3, 'I'],
+                    ['K', 5, 'L'],
+        ]
+
+        received_header, flattened = json2csv.flatten_list_of_dicts(data, header=header)
+        assert flattened == expected
+        assert received_header == header
+
+if __name__ == '__main__':
+    unittest.main()