From ecf350a780662e68d4c94ee7c89556a7c78c7ed1 Mon Sep 17 00:00:00 2001
From: Yu Ming Zhu <yzhu@redhat.com>
Date: Sep 06 2021 11:40:45 +0000
Subject: [protonmsg] convert btypes to json string


fixes: #3017

---

diff --git a/plugins/hub/protonmsg.py b/plugins/hub/protonmsg.py
index 1198c25..1e17d11 100644
--- a/plugins/hub/protonmsg.py
+++ b/plugins/hub/protonmsg.py
@@ -216,7 +216,7 @@ def prep_build_state_change(cbtype, *args, **kws):
              'name': kws['info']['name'],
              'version': kws['info']['version'],
              'release': kws['info']['release'],
-             'btypes': btypeinfo,
+             'btypes': json.dumps(btypeinfo, default=json_serialize),
              'attribute': kws['attribute'],
              'old': old,
              'new': new}
diff --git a/tests/test_plugins/test_protonmsg.py b/tests/test_plugins/test_protonmsg.py
index 6e2f3bc..6fc7780 100644
--- a/tests/test_plugins/test_protonmsg.py
+++ b/tests/test_plugins/test_protonmsg.py
@@ -1,5 +1,6 @@
 from __future__ import absolute_import
 
+import json
 import tempfile
 import unittest
 
@@ -132,7 +133,7 @@ extra_limit = 2048
         assert_info = {'name': 'test-pkg',
                        'version': '1.0',
                        'release': '1',
-                       'btypes': {'image': {'build_id': 1}}}
+                       'btypes': json.dumps({'image': {'build_id': 1}})}
         self.get_build_type.return_value = {'image': {'build_id': 1}}
         protonmsg.prep_build_state_change('postBuildStateChange',
                                           info=info, attribute='volume_id',
@@ -155,7 +156,7 @@ extra_limit = 2048
         assert_info = {'name': 'test-pkg',
                        'version': '1.0',
                        'release': '1',
-                       'btypes': {}}
+                       'btypes': '{}'}
         self.get_build_type.return_value = {}
         protonmsg.prep_build_state_change('postBuildStateChange',
                                           info=info, attribute='volume_id',