116 lines
3.2 KiB
Python
116 lines
3.2 KiB
Python
# Copyright (c) 2018 Hewlett Packard Enterprise Development LP
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# 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.
|
|
#
|
|
|
|
import testtools
|
|
|
|
from fixtures_git import _utils
|
|
from tests import base
|
|
|
|
|
|
class TestResolve(testtools.TestCase):
|
|
|
|
def test_ordered(self):
|
|
nodes = [
|
|
('A', []),
|
|
('B', ['A']),
|
|
('C', ['B']),
|
|
]
|
|
self.assertEqual(
|
|
nodes,
|
|
list(_utils.reverse_toposort(nodes)),
|
|
)
|
|
|
|
def test_unordered(self):
|
|
nodes = [
|
|
('B', ['A']),
|
|
('C', ['B']),
|
|
('A', []),
|
|
]
|
|
self.assertEqual(
|
|
[('A', []), ('B', ['A']), ('C', ['B'])],
|
|
list(_utils.reverse_toposort(nodes))
|
|
)
|
|
|
|
def test_merge(self):
|
|
nodes = [
|
|
('B', ['A']),
|
|
('C', ['B']),
|
|
('A', []),
|
|
('E', ['D', 'C']),
|
|
('D', ['A']),
|
|
]
|
|
sorted = list(_utils.reverse_toposort(nodes))
|
|
self.assertThat(
|
|
(nodes[2], nodes[0], nodes[1], nodes[3]),
|
|
base.IsOrderedSubsetOf(sorted)
|
|
)
|
|
self.assertThat(
|
|
(nodes[2], nodes[4], nodes[3]),
|
|
base.IsOrderedSubsetOf(sorted)
|
|
)
|
|
|
|
def test_multiple_merges(self):
|
|
nodes = [
|
|
('B', ['A']),
|
|
('C', ['B']),
|
|
('A', []),
|
|
('E', ['D', 'C']),
|
|
('D', ['A']),
|
|
('G', ['F', 'C']),
|
|
('F', ['A']),
|
|
]
|
|
sorted = list(_utils.reverse_toposort(nodes))
|
|
# A -> B -> C -> E
|
|
self.assertThat(
|
|
(nodes[2], nodes[0], nodes[1], nodes[3]),
|
|
base.IsOrderedSubsetOf(sorted)
|
|
)
|
|
# A -> D -> E
|
|
self.assertThat(
|
|
(nodes[2], nodes[4], nodes[3]),
|
|
base.IsOrderedSubsetOf(sorted)
|
|
)
|
|
# A -> F -> G
|
|
self.assertThat(
|
|
(nodes[2], nodes[6], nodes[5]),
|
|
base.IsOrderedSubsetOf(sorted)
|
|
)
|
|
# A -> B -> C -> G
|
|
self.assertThat(
|
|
(nodes[2], nodes[0], nodes[1], nodes[5]),
|
|
base.IsOrderedSubsetOf(sorted)
|
|
)
|
|
|
|
def test_merge_multiple_roots(self):
|
|
nodes = [
|
|
('B', ['A']),
|
|
('C', []), # root commit
|
|
('A', []), # root commit
|
|
('D', ['B', 'C']),
|
|
]
|
|
sorted = list(_utils.reverse_toposort(nodes))
|
|
# assert partial ordering because nodes A & B may come
|
|
# before or after node C. Just make sure that node D
|
|
# is defined after them.
|
|
self.assertThat(
|
|
(nodes[2], nodes[0], nodes[3]),
|
|
base.IsOrderedSubsetOf(sorted),
|
|
)
|
|
self.assertThat(
|
|
(nodes[1], nodes[3]),
|
|
base.IsOrderedSubsetOf(sorted),
|
|
)
|