diff --git a/importer/config.py b/importer/config.py
new file mode 100644
index 00000000..e69de29b
diff --git a/importer/test_main.py b/importer/test_main.py
new file mode 100644
index 00000000..0af0ec9a
--- /dev/null
+++ b/importer/test_main.py
@@ -0,0 +1,43 @@
+import json
+import unittest
+from main import (
+    read_csv,
+    build_payload,
+    build_org_affiliation,
+    extract_matches
+)
+
+
+class TestMain(unittest.TestCase):
+    def test_read_csv(self):
+        csv_file = "csv/users.csv"
+        records = read_csv(csv_file)
+        self.assertIsInstance(records, list)
+        self.assertEqual(len(records), 3)
+
+    def test_build_payload_organizations(self):
+        csv_file = "csv/organizations/organizations_full.csv"
+        resource_list = read_csv(csv_file)
+        payload = build_payload(
+            "organizations",
+            resource_list,
+            "json_payloads/organizations_payload.json"
+        )
+        payload_obj = json.loads(payload)
+        self.assertIsInstance(payload_obj, dict)
+        self.assertEqual(payload_obj["resourceType"], "Bundle")
+        self.assertEqual(len(payload_obj['entry']), 3)
+
+    def test_build_org_affiliation(self):
+        csv_file = "csv/organizations/organization_locations.csv"
+        resource_list = read_csv(csv_file)
+        resources = extract_matches(resource_list)
+        payload = build_org_affiliation(resources, resource_list)
+        payload_obj = json.loads(payload)
+        self.assertIsInstance(payload_obj, dict)
+        self.assertEqual(payload_obj["resourceType"], "Bundle")
+        self.assertEqual(len(payload_obj['entry']), 2)
+
+
+if __name__ == "__main__":
+    unittest.main()