diff --git a/tests/test_papi.py b/tests/test_papi.py
index 98ca4fe..f14cbc0 100644
--- a/tests/test_papi.py
+++ b/tests/test_papi.py
@@ -112,6 +112,36 @@ def test_historique():
     assert perte_supervision[-1] == f"{data['date']} test_historique error absent"
 
 
+def test_onchange_notification():
+    id_sonde = "masonde_notif"
+    histo = {"identifiant": id_sonde, "nom": "Test notification"}
+    assert client.post("/sonde/", json=histo).ok
+
+    data = testutils.probe_sample_body(
+        channel_name="test_historique", channel_id=0, status="ok"
+    )
+    response = client.post(f"/sonde/{id_sonde}/", json=data)
+    assert response.ok
+
+    jresp = response.json()
+
+    assert jresp["notify"]
+    assert jresp["notify"]["targets"]
+    assert jresp["notify"]["changes"]
+    assert jresp["notify"]["status"]
+
+    assert len(jresp["notify"]) == 1
+
+    data = testutils.probe_sample_body(
+        channel_name="test_historique", channel_id=0, status="ok"
+    )
+    response = client.post(f"/sonde/{id_sonde}/", json=data)
+    assert response.ok
+
+    jresp = response.json()
+    assert not jresp["notify"]
+
+
 class CodeCoverageTestCase(TestCase):
 
     """ Get covergage to 100% """