From fc992f28bc78a743239ec1eafea221fc754c95aa Mon Sep 17 00:00:00 2001
From: "Zaiming (Stone) Shi" <zmstone@gmail.com>
Date: Tue, 17 Jan 2023 20:13:01 +0100
Subject: [PATCH] test: add test coverage

---
 apps/emqx/test/emqx_schema_tests.erl | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/apps/emqx/test/emqx_schema_tests.erl b/apps/emqx/test/emqx_schema_tests.erl
index b249dea92..e1ac1874f 100644
--- a/apps/emqx/test/emqx_schema_tests.erl
+++ b/apps/emqx/test/emqx_schema_tests.erl
@@ -465,3 +465,10 @@ converter_invalid_input_test() ->
     ?assertEqual(undefined, emqx_schema:convert_servers(undefined)),
     %% 'foo: bar' is a valid HOCON value, but 'bar' is not a port number
     ?assertThrow("bad_host_port", emqx_schema:convert_servers(#{foo => bar})).
+
+password_converter_test() ->
+    ?assertEqual(undefined, emqx_schema:password_converter(undefined, #{})),
+    ?assertEqual(<<"123">>, emqx_schema:password_converter(123, #{})),
+    ?assertEqual(<<"123">>, emqx_schema:password_converter(<<"123">>, #{})),
+    ?assertThrow("must_quote", emqx_schema:password_converter(foobar, #{})),
+    ok.