From e6e28c2ac37652ad21cf7a4e351c419fffa10f4b Mon Sep 17 00:00:00 2001
From: Maximilian Hils <git@maximilianhils.com>
Date: Mon, 6 Nov 2017 15:24:54 +0100
Subject: fix revert of duplicated flows

---
 test/mitmproxy/test_flow.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'test')

diff --git a/test/mitmproxy/test_flow.py b/test/mitmproxy/test_flow.py
index 7f9d577b..fcc766b5 100644
--- a/test/mitmproxy/test_flow.py
+++ b/test/mitmproxy/test_flow.py
@@ -84,6 +84,17 @@ class TestSerialize:
         with pytest.raises(Exception, match="version"):
             list(r.stream())
 
+    def test_copy(self):
+        """
+        _backup may be shared across instances. That should not raise errors.
+        """
+        f = tflow.tflow()
+        f.backup()
+        f.request.path = "/foo"
+        f2 = f.copy()
+        f2.revert()
+        f.revert()
+
 
 class TestFlowMaster:
     def test_load_flow_reverse(self):
-- 
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