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test_tree.py
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test_tree.py
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# -*- coding: utf-8 -*-
#
# Copyright 2010 Google, Inc.
#
# 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 operator
import unittest
import pygit2
from . import utils
__author__ = 'dborowitz@google.com (Dave Borowitz)'
TREE_SHA = '967fce8df97cc71722d3c2a5930ef3e6f1d27b12'
SUBTREE_SHA = '614fd9a3094bf618ea938fffc00e7d1a54f89ad0'
class TreeTest(utils.BareRepoTestCase):
def assertTreeEntryEqual(self, entry, sha, name, attributes):
self.assertEqual(entry.hex, sha)
self.assertEqual(entry.name, name)
self.assertEqual(entry.attributes, attributes,
'0%o != 0%o' % (entry.attributes, attributes))
def test_read_tree(self):
tree = self.repo[TREE_SHA]
self.assertRaises(TypeError, lambda: tree[()])
self.assertRaisesWithArg(KeyError, 'abcd', lambda: tree['abcd'])
self.assertRaisesWithArg(IndexError, -4, lambda: tree[-4])
self.assertRaisesWithArg(IndexError, 3, lambda: tree[3])
self.assertEqual(3, len(tree))
sha = '7f129fd57e31e935c6d60a0c794efe4e6927664b'
self.assertTrue('a' in tree)
self.assertTreeEntryEqual(tree[0], sha, 'a', 0o0100644)
self.assertTreeEntryEqual(tree[-3], sha, 'a', 0o0100644)
self.assertTreeEntryEqual(tree['a'], sha, 'a', 0o0100644)
sha = '85f120ee4dac60d0719fd51731e4199aa5a37df6'
self.assertTrue('b' in tree)
self.assertTreeEntryEqual(tree[1], sha, 'b', 0o0100644)
self.assertTreeEntryEqual(tree[-2], sha, 'b', 0o0100644)
self.assertTreeEntryEqual(tree['b'], sha, 'b', 0o0100644)
def test_read_subtree(self):
tree = self.repo[TREE_SHA]
subtree_entry = tree['c']
self.assertTreeEntryEqual(subtree_entry, SUBTREE_SHA, 'c', 0o0040000)
subtree = subtree_entry.to_object()
self.assertEqual(1, len(subtree))
sha = '297efb891a47de80be0cfe9c639e4b8c9b450989'
self.assertTreeEntryEqual(subtree[0], sha, 'd', 0o0100644)
# TODO This test worked with libgit2 v0.10.0, update to use the
# tree-builder
def xtest_new_tree(self):
b = self.repo.TreeBuilder()
b.insert('1' * 40, 'x', 0o0100644)
b.insert('2' * 40, 'y', 0o0100755)
tree = self.repo[b.write()]
self.assertTrue('x' in tree)
self.assertTrue('y' in tree)
self.assertRaisesWithArg(KeyError, '1' * 40, tree['x'].to_object)
contents = '100644 x\0%s100755 y\0%s' % ('\x11' * 20, '\x22' * 20)
self.assertEqual((pygit2.GIT_OBJ_TREE, contents),
self.repo.read(tree.hex))
def test_modify_tree(self):
tree = self.repo[TREE_SHA]
self.assertRaises(TypeError, operator.setitem, 'c', tree['a'])
self.assertRaises(TypeError, operator.delitem, 'c')
def test_iterate_tree(self):
"""
Testing that we're able to iterate of a Tree object and that the
resulting sha strings are consitent with the sha strings we could
get with other Tree access methods.
"""
tree = self.repo[TREE_SHA]
for tree_entry in tree:
self.assertEqual(tree_entry.hex, tree[tree_entry.name].hex)
if __name__ == '__main__':
unittest.main()