From 1378cd7a5f86a4250983dba89a6dbb569cf4944e Mon Sep 17 00:00:00 2001
From: garenchan <1412950785@qq.com>
Date: Thu, 4 Oct 2018 21:59:58 +0800
Subject: [PATCH] Add a new test case and modify changelog.

---
 CHANGES.rst           | 3 +++
 tests/test_helpers.py | 1 +
 2 files changed, 4 insertions(+)

diff --git a/CHANGES.rst b/CHANGES.rst
index ef69bb99..30a597bf 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -14,9 +14,12 @@ Unreleased
     stricter about header encodings than PEP 3333. (`#2766`_)
 -   Allow custom CLIs using ``FlaskGroup`` to set the debug flag without
     it always being overwritten based on environment variables. (`#2765`_)
+-   :func:`send_file` allows attachment filename as a ``bytes`` type that
+    contains unicode coded bytes. (`#2933`_)
 
 .. _#2766: https://github.com/pallets/flask/issues/2766
 .. _#2765: https://github.com/pallets/flask/pull/2765
+.. _#2933: https://github.com/pallets/flask/issues/2933
 
 
 Version 1.0.2
diff --git a/tests/test_helpers.py b/tests/test_helpers.py
index ae1c0805..382e19a0 100644
--- a/tests/test_helpers.py
+++ b/tests/test_helpers.py
@@ -644,6 +644,7 @@ class TestSendfile(object):
         (u'Ñandú／pingüino.txt', '"Nandu/pinguino.txt"',
         '%C3%91and%C3%BA%EF%BC%8Fping%C3%BCino.txt'),
         (u'Vögel.txt', 'Vogel.txt', 'V%C3%B6gel.txt'),
+        ('tést.txt', 'test.txt', 't%C3%A9st.txt'),
     ))
     def test_attachment_filename_encoding(self, filename, ascii, utf8):
         rv = flask.send_file('static/index.html', as_attachment=True, attachment_filename=filename)