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# Copyright 2010-2020 The pygit2 contributors

#

# This file is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License, version 2,

# as published by the Free Software Foundation.

#

# In addition to the permissions in the GNU General Public License,

# the authors give you unlimited permission to link the compiled

# version of this file into combinations with other programs,

# and to distribute those combinations without any restriction

# coming from the use of this file. (The General Public License

# restrictions do apply in other respects; for example, they cover

# modification of the file, and distribution when not linked into

# a combined executable.)

#

# This file is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; see the file COPYING. If not, write to

# the Free Software Foundation, 51 Franklin Street, Fifth Floor,

# Boston, MA 02110-1301, USA.

import pygit2

expected_diff = b"""diff --git a/iso-8859-1.txt b/iso-8859-1.txt

index e84e339..201e0c9 100644

--- a/iso-8859-1.txt

+++ b/iso-8859-1.txt

@@ -1 +1,2 @@

Kristian H\xf8gsberg

+foo

"""

def test_patch_from_non_utf8():

# blobs encoded in ISO-8859-1

old_content = b'Kristian H\xf8gsberg\n'

new_content = old_content + b'foo\n'

patch = pygit2.Patch.create_from(

old_content,

new_content,

old_as_path='iso-8859-1.txt',

new_as_path='iso-8859-1.txt',

)

assert patch.data == expected_diff

assert patch.text == expected_diff.decode('utf-8', errors='replace')

# `patch.text` corrupted the ISO-8859-1 content as it forced UTF-8

# decoding, so assert that we cannot get the original content back:

assert patch.text.encode('utf-8') != expected_diff

def test_patch_create_from_blobs(encodingrepo):

patch = pygit2.Patch.create_from(

encodingrepo['e84e339ac7fcc823106efa65a6972d7a20016c85'],

encodingrepo['201e0c908e3d9f526659df3e556c3d06384ef0df'],

old_as_path='iso-8859-1.txt',

new_as_path='iso-8859-1.txt',

)

assert patch.data == expected_diff

assert patch.text == expected_diff.decode('utf-8', errors='replace')

# `patch.text` corrupted the ISO-8859-1 content as it forced UTF-8

# decoding, so assert that we cannot get the original content back:

assert patch.text.encode('utf-8') != expected_diff