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Editing: test_utils.py

# test_utils.py -- Tests for git test utilities.
# Copyright (C) 2010 Google, Inc.
#
# Dulwich is dual-licensed under the Apache License, Version 2.0 and the GNU
# General Public License as public by the Free Software Foundation; version 2.0
# or (at your option) any later version. You can redistribute it and/or
# modify it under the terms of either of these two licenses.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# You should have received a copy of the licenses; if not, see
# <http://www.gnu.org/licenses/> for a copy of the GNU General Public License
# and <http://www.apache.org/licenses/LICENSE-2.0> for a copy of the Apache
# License, Version 2.0.
#

"""Tests for git test utilities."""

from dulwich.object_store import (
    MemoryObjectStore,
    )
from dulwich.objects import (
    Blob,
    )
from dulwich.tests import (
    TestCase,
    )
from dulwich.tests.utils import (
    make_object,
    build_commit_graph,
    )

class BuildCommitGraphTest(TestCase):

def setUp(self):
        super(BuildCommitGraphTest, self).setUp()
        self.store = MemoryObjectStore()

def test_linear(self):
        c1, c2 = build_commit_graph(self.store, [[1], [2, 1]])
        for obj_id in [c1.id, c2.id, c1.tree, c2.tree]:
            self.assertTrue(obj_id in self.store)
        self.assertEqual([], c1.parents)
        self.assertEqual([c1.id], c2.parents)
        self.assertEqual(c1.tree, c2.tree)
        self.assertEqual([], self.store[c1.tree].items())
        self.assertTrue(c2.commit_time > c1.commit_time)

def test_merge(self):
        c1, c2, c3, c4 = build_commit_graph(self.store,
                                            [[1], [2, 1], [3, 1], [4, 2, 3]])
        self.assertEqual([c2.id, c3.id], c4.parents)
        self.assertTrue(c4.commit_time > c2.commit_time)
        self.assertTrue(c4.commit_time > c3.commit_time)

def test_missing_parent(self):
        self.assertRaises(ValueError, build_commit_graph, self.store,
                          [[1], [3, 2], [2, 1]])

def test_trees(self):
        a1 = make_object(Blob, data=b'aaa1')
        a2 = make_object(Blob, data=b'aaa2')
        c1, c2 = build_commit_graph(self.store, [[1], [2, 1]],
                                    trees={1: [(b'a', a1)],
                                           2: [(b'a', a2, 0o100644)]})
        self.assertEqual((0o100644, a1.id), self.store[c1.tree][b'a'])
        self.assertEqual((0o100644, a2.id), self.store[c2.tree][b'a'])

def test_attrs(self):
        c1, c2 = build_commit_graph(self.store, [[1], [2, 1]],
                                    attrs={1: {'message': b'Hooray!'}})
        self.assertEqual(b'Hooray!', c1.message)
        self.assertEqual(b'Commit 2', c2.message)

def test_commit_time(self):
        c1, c2, c3 = build_commit_graph(self.store, [[1], [2, 1], [3, 2]],
                                        attrs={1: {'commit_time': 124},
                                               2: {'commit_time': 123}})
        self.assertEqual(124, c1.commit_time)
        self.assertEqual(123, c2.commit_time)
        self.assertTrue(c2.commit_time < c1.commit_time < c3.commit_time)

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