Cast some data read from dump files to str, to prevent unicode promotion.

This fixes a bug that caused a traceback when de-serialized requests were
replayed. Also adds unit tests for the problem.

1 files changed, 5 insertions, 1 deletions

diff --git a/test/test_flow.py b/test/test_flow.py
index b7a368d2..6ee4235e 100644
--- a/test/test_flow.py
+++ b/test/test_flow.py
@@ -385,6 +385,7 @@ class uSerialize(libpry.AutoTree):
     def test_roundtrip(self):
         sio = StringIO()
         f = tutils.tflow()
+        f.request.content = "".join(chr(i) for i in range(255))
         w = flow.FlowWriter(sio)
         w.add(f)
 
@@ -392,7 +393,10 @@ class uSerialize(libpry.AutoTree):
         r = flow.FlowReader(sio)
         l = list(r.stream())
         assert len(l) == 1
-        assert l[0] == f
+
+        f2 = l[0]
+        assert f2 == f
+        assert f2.request.assemble() == f.request.assemble()
 
     def test_load_flows(self):
         r = self._treader()