[fix] fix monkey patch in test_webapp.py (#1667)

at the end of test_webapp.py, the monkey patch of searx.search.Search was not revert which lead to side effects on other tests
close #1663

1 files changed, 12 insertions, 0 deletions

diff --git a/searx/testing.py b/searx/testing.py
index 08a53e3f4..a3616dc12 100644
--- a/searx/testing.py
+++ b/searx/testing.py
@@ -80,6 +80,18 @@ class SearxTestCase(TestCase):
 
     layer = SearxTestLayer
 
+    def setattr4test(self, obj, attr, value):
+        """
+        setattr(obj, attr, value)
+        but reset to the previous value in the cleanup.
+        """
+        previous_value = getattr(obj, attr)
+
+        def cleanup_patch():
+            setattr(obj, attr, previous_value)
+        self.addCleanup(cleanup_patch)
+        setattr(obj, attr, value)
+
 
 if __name__ == '__main__':
     import sys