--- a/tests/e2e/libervia-cli/test_libervia-cli.py	Sun Oct 30 01:06:35 2022 +0200
+++ b/tests/e2e/libervia-cli/test_libervia-cli.py	Sun Oct 30 01:06:55 2022 +0200
@@ -16,17 +16,19 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import json
 import os
 import shutil
 from time import sleep
 
-import pytest
-from sat.plugins.plugin_xep_0277 import NS_ATOM
-from sat.plugins.plugin_sec_oxps import NS_OXPS
-from sat.tools.common import uri
 import sh
 from sh import li
 
+import pytest
+from sat.plugins.plugin_sec_oxps import NS_OXPS
+from sat.plugins.plugin_xep_0277 import NS_ATOM
+from sat.tools.common import uri
+
 
 if os.getenv("LIBERVIA_TEST_ENV_E2E") is None:
     pytest.skip(
@@ -349,3 +351,24 @@
         assert entry_elt.name == "entry"
         assert entry_elt.uri == NS_ATOM
         assert secret_blog in parsed_item.toXml()
+
+    def test_pubsub_signature(self, li_json):
+        """A pubsub item can be signed, and the signature can be verified"""
+        body = "this message is signed"
+        service="account1@server1.test"
+        node ="blog_signing"
+        item="signed_item"
+        li.blog.set(_in=body, service=service, node=node, item=item, sign=True)
+        attachments = li_json.pubsub.attachments.get(
+            service=service, node=node, item=item
+        )
+        assert len(attachments) == 1
+        attachment = attachments[0]
+        assert attachment["from"] == "account1@server1.test"
+        signature_json = attachment["signature"]
+        sign_data = li_json.pubsub.signature.check(
+             json.dumps(signature_json), service=service, node=node, item=item,
+        )
+        assert sign_data["signer"] == "account1@server1.test"
+        assert sign_data["validated"] == True
+        assert all(t == "undecided" for t in sign_data["trusts"].values())