From 684745a6b47fa485effba809a0db7096cca807df Mon Sep 17 00:00:00 2001
From: Roman Mogylatov <rmogilatov@gmail.com>
Date: Fri, 14 Aug 2020 15:31:33 -0400
Subject: [PATCH] Add providers overriding to demo 2

---
 examples/di_demo2/demo.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/examples/di_demo2/demo.py b/examples/di_demo2/demo.py
index ccfccd97..886b0de1 100644
--- a/examples/di_demo2/demo.py
+++ b/examples/di_demo2/demo.py
@@ -1,4 +1,5 @@
 from dependency_injector import containers, providers
+from unittest import mock
 
 
 class ApiClient:
@@ -35,5 +36,9 @@ if __name__ == '__main__':
     container.config.from_yaml('config.yml')
 
     service = container.service()
-
     assert isinstance(service.api_client, ApiClient)
+
+    with container.api_client.override(mock.Mock()):
+        service = container.service()
+        assert isinstance(service.api_client, mock.Mock)
+