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# -*- coding: UTF-8 -*-
# Copyright 2010-2017 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.
"""Tests for Commit objects."""
from __future__ import absolute_import
from __future__ import unicode_literals
import unittest
import pytest
from pygit2 import GIT_OBJ_COMMIT, Signature, Oid
from . import utils
# pypy (in python2 mode) raises TypeError on writing to read-only, so
# we need to check and change the test accordingly
    import __pypy__
    pypy2 =  sys.version_info[0] < 3
except ImportError:
    __pypy__ = None
    pypy2 = False
COMMIT_SHA = '5fe808e8953c12735680c257f56600cb0de44b10'
class CommitTest(utils.BareRepoTestCase):
    @unittest.skipIf(__pypy__ is not None, "skip refcounts checks in pypy")
    def test_commit_refcount(self):
        commit = self.repo[COMMIT_SHA]
        start = sys.getrefcount(commit)
        tree = commit.tree
        del tree
        end = sys.getrefcount(commit)
        assert start == end
    def test_read_commit(self):
        commit = self.repo[COMMIT_SHA]
        assert COMMIT_SHA == str(commit.id)
        parents = commit.parents
        assert 1 == len(parents)
        self.assertEqual('c2792cfa289ae6321ecf2cd5806c2194b0fd070c',
                         str(parents[0].id))
        assert commit.message_encoding is None
        self.assertEqual(('Second test data commit.\n\n'
                          'This commit has some additional text.\n'),
                         commit.message)
        commit_time = 1288481576
        assert commit_time == commit.commit_time
        self.assertEqualSignature(
            commit.committer,
            Signature('Dave Borowitz', 'dborowitz@google.com',
                      commit_time, -420))
        self.assertEqualSignature(
            commit.author,
            Signature('Dave Borowitz', 'dborowitz@google.com', 1288477363,
        assert '967fce8df97cc71722d3c2a5930ef3e6f1d27b12' == str(commit.tree.id)
    def test_new_commit(self):
        repo = self.repo
        message = 'New commit.\n\nMessage with non-ascii chars: ééé.\n'
        committer = Signature('John Doe', 'jdoe@example.com', 12346, 0)
        author = Signature(
            'J. David Ibáñez', 'jdavid@example.com', 12345, 0,
            encoding='utf-8')
        tree = '967fce8df97cc71722d3c2a5930ef3e6f1d27b12'
        tree_prefix = tree[:5]
        too_short_prefix = tree[:3]
        parents = [COMMIT_SHA[:5]]
        with pytest.raises(ValueError):
            repo.create_commit(None, author, committer, message, too_short_prefix, parents)
        sha = repo.create_commit(None, author, committer, message,
                                 tree_prefix, parents)
        commit = repo[sha]
        assert GIT_OBJ_COMMIT == commit.type
        self.assertEqual('98286caaab3f1fde5bf52c8369b2b0423bad743b',
                         commit.hex)
        assert commit.message_encoding is None
        assert message == commit.message
        assert 12346 == commit.commit_time
        self.assertEqualSignature(committer, commit.committer)
        self.assertEqualSignature(author, commit.author)
        assert tree == commit.tree.hex
        assert Oid(hex=tree) == commit.tree_id
        assert 1 == len(commit.parents)
        assert COMMIT_SHA == commit.parents[0].hex
        assert Oid(hex=COMMIT_SHA) == commit.parent_ids[0]
    def test_new_commit_encoding(self):
        repo = self.repo
        encoding = 'iso-8859-1'
        message = 'New commit.\n\nMessage with non-ascii chars: ééé.\n'
        committer = Signature('John Doe', 'jdoe@example.com', 12346, 0,
                              encoding)
        author = Signature('J. David Ibáñez', 'jdavid@example.com', 12345, 0,
                           encoding)
        tree = '967fce8df97cc71722d3c2a5930ef3e6f1d27b12'
        tree_prefix = tree[:5]
        parents = [COMMIT_SHA[:5]]
        sha = repo.create_commit(None, author, committer, message,
                                 tree_prefix, parents, encoding)
        commit = repo[sha]
        assert GIT_OBJ_COMMIT == commit.type
        assert 'iso-8859-1' == commit.message_encoding
        assert message.encode(encoding) == commit.raw_message
        assert 12346 == commit.commit_time
        self.assertEqualSignature(committer, commit.committer)
        self.assertEqualSignature(author, commit.author)
        assert tree == commit.tree.hex
        assert Oid(hex=tree) == commit.tree_id
        assert 1 == len(commit.parents)
        assert COMMIT_SHA == commit.parents[0].hex
        assert Oid(hex=COMMIT_SHA) == commit.parent_ids[0]
    def test_modify_commit(self):
        message = 'New commit.\n\nMessage.\n'
        committer = ('John Doe', 'jdoe@example.com', 12346)
        author = ('Jane Doe', 'jdoe2@example.com', 12345)
        commit = self.repo[COMMIT_SHA]
        error_type = AttributeError if not pypy2 else TypeError
        with pytest.raises(error_type): setattr(commit, 'message', message)
        with pytest.raises(error_type): setattr(commit, 'committer', committer)
        with pytest.raises(error_type): setattr(commit, 'author', author)
        with pytest.raises(error_type): setattr(commit, 'tree', None)
        with pytest.raises(error_type): setattr(commit, 'parents', None)
class GpgSignatureTestCase(utils.GpgSignedRepoTestCase):
    signed_hash = 'a00b212d5455ad8c4c1779f778c7d2a81bb5da23'
    unsigned_hash = 'a84938d1d885e80dae24b86b06621cec47ff6edd'
    def test_get_gpg_signature_when_signed(self):
        expected_signature = (
            '-----BEGIN PGP SIGNATURE-----\n\n'
            'iQFGBAABCgAwFiEEQZu9JtePgJbDk7VC0+mlK74z13oFAlpzXykSHG1hcmtAbWFy\n'
            'a2FkYW1zLm1lAAoJENPppSu+M9d6FRoIAJXeQRRT1V47nnHITiel6426loYkeij7\n'
            '66doGNIyll95H92SwH4LAjPyEEByIG1VsA6NztzUoNgnEvAXI0iAz3LyI7N16M4b\n'
            'dPDkC72pp8tu280H5Qt5b2V5hmlKKSgtOS5iNhdU/FbWVS8MlHsqzQTZfoTdi6ch\n'
            'KWUsjzudVd3F/H/AU+1Jsxt8Iz/oK4T/puUQLnJZKjKlljGP994FA3JIpnZpZmbG\n'
            'FybYJEDXnng7uhx3Fz/Mo3KBJoQfAExTtaToY0n0hSjOe6GN9rEsRSMK3mWdysf2\n'
            'wOdtYMMcT16hG5tAwnD/myZ4rIIpyZJ/9mjymdUsj6UKf7D+vJuqfsI=\n=IyYy\n'
            '-----END PGP SIGNATURE-----'
        ).encode('ascii')
        expected_payload = (
            'tree c36c20831e43e5984c672a714661870b67ab1d95\nauthor Mark Adams '
            '<madams@atlassian.com> 1517510299 -0600\ncommitter Mark Adams <ma'
            'dams@atlassian.com> 1517510441 -0600\n\nMaking a GPG signed commi'
            't\n'
        ).encode('ascii')
        commit = self.repo.get(self.signed_hash)
        signature, payload = commit.gpg_signature
        assert signature == expected_signature
        assert payload == expected_payload
    def test_get_gpg_signature_when_unsigned(self):
        commit = self.repo.get(self.unsigned_hash)
        signature, payload = commit.gpg_signature
        assert signature is None
        assert payload is None
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