fix: refresh wechat mp token on invalid credential

talkingq-url/tests/test_wechat_mp_notification.py

@@ -327,7 +327,8 @@ async def test_template_payload_uses_service_template_fields(monkeypatch):
             captured.update({"url": url, "params": params, "json": json, "timeout": self.timeout})
             return FakeResponse()
 
-    async def fake_get_access_token():
+    async def fake_get_access_token(*, force_refresh=False):
+        assert force_refresh is False
         return "access-token"
 
     monkeypatch.setattr(service, "_get_access_token", fake_get_access_token)
@@ -384,7 +385,8 @@ async def test_template_payload_can_disable_miniprogram_link(monkeypatch):
             captured.update({"url": url, "params": params, "json": json, "timeout": self.timeout})
             return FakeResponse()
 
-    async def fake_get_access_token():
+    async def fake_get_access_token(*, force_refresh=False):
+        assert force_refresh is False
         return "access-token"
 
     monkeypatch.setattr(service, "_get_access_token", fake_get_access_token)
@@ -407,3 +409,70 @@ async def test_template_payload_can_disable_miniprogram_link(monkeypatch):
             "thing5": {"value": "设备电量低于20%"},
         },
     }
+
+
+@pytest.mark.asyncio
+async def test_template_send_refreshes_stable_token_once_when_cached_token_is_invalid(monkeypatch):
+    configure_enabled_wechat_mp(monkeypatch)
+    service = WechatMpNotificationService()
+    service._access_token = "cached-token"
+    service._access_token_expire_at = 9999999999
+    calls = []
+
+    class FakeResponse:
+        def __init__(self, payload):
+            self._payload = payload
+
+        def raise_for_status(self):
+            pass
+
+        def json(self):
+            return self._payload
+
+    class FakeAsyncClient:
+        def __init__(self, timeout):
+            self.timeout = timeout
+
+        async def __aenter__(self):
+            return self
+
+        async def __aexit__(self, exc_type, exc, tb):
+            return False
+
+        async def post(self, url, params=None, json=None):
+            calls.append({"url": url, "params": params, "json": json})
+            if url.endswith("/cgi-bin/message/template/send") and params == {"access_token": "cached-token"}:
+                return FakeResponse(
+                    {
+                        "errcode": 40001,
+                        "errmsg": "invalid credential, access_token is invalid or not latest",
+                    }
+                )
+            if url.endswith("/cgi-bin/stable_token"):
+                assert json == {
+                    "appid": "wx-service",
+                    "secret": "secret",
+                    "grant_type": "client_credential",
+                    "force_refresh": True,
+                }
+                return FakeResponse({"access_token": "fresh-token", "expires_in": 7200})
+            if url.endswith("/cgi-bin/message/template/send") and params == {"access_token": "fresh-token"}:
+                return FakeResponse({"errcode": 0, "msgid": "msg-id"})
+            return FakeResponse({"errcode": 99999, "errmsg": "unexpected request"})
+
+    monkeypatch.setattr("banban.service.wechat_mp_notification.httpx.AsyncClient", FakeAsyncClient)
+
+    result = await service._send_template_message(
+        openid="openid-1",
+        template_id="template-id",
+        title="小明",
+        condition="收到新的设备留言",
+        page="pages/chat/detail/index",
+    )
+
+    assert result == {"errcode": 0, "msgid": "msg-id", "ok": True}
+    assert [call["params"] for call in calls if call["url"].endswith("/cgi-bin/message/template/send")] == [
+        {"access_token": "cached-token"},
+        {"access_token": "fresh-token"},
+    ]
+    assert service._access_token == "fresh-token"