diff --git a/etp-core/etp-backend/src/test/clj/solita/etp/service/csv_to_s3_test.clj b/etp-core/etp-backend/src/test/clj/solita/etp/service/csv_to_s3_test.clj
new file mode 100644
index 000000000..94e4cd03f
--- /dev/null
+++ b/etp-core/etp-backend/src/test/clj/solita/etp/service/csv_to_s3_test.clj
@@ -0,0 +1,15 @@
+(ns solita.etp.service.csv-to-s3-test
+  (:require [solita.etp.service.csv-to-s3 :as csv-to-s3]
+            [solita.etp.service.file :as file]
+            [clojure.test :as t]
+            [solita.etp.test-system :as ts]))
+
+(t/use-fixtures :each ts/fixture)
+
+(t/deftest test-public-csv-to-s3
+  (t/testing "Public csv doesn't exist before generating"
+    (t/is (false? (file/file-exists? ts/*aws-s3-client* "/api/csv/public/energiatodistukset.csv"))))
+
+  (t/testing "Public csv exists after generating"
+    (csv-to-s3/update-public-csv-in-s3! ts/*db* {:id -5 :rooli 2} ts/*aws-s3-client* {:where nil})
+    (t/is (true? (file/file-exists? ts/*aws-s3-client* "/api/csv/public/energiatodistukset.csv")))))