| # Copyright 2017-present Open Networking Foundation |
| # |
| # 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. |
| from unittest import TestCase, main |
| from common.utils.indexpool import IndexPool |
| |
| class TestIndexPool(TestCase): |
| pool = IndexPool(8, 0) |
| def test_01_get_next(self): |
| self.assertEqual(self.pool.indices.bin, '00000000') |
| for i in range(8): |
| self.assertEqual(self.pool.get_next(), i) |
| #to check if there's any bit left after using all 8 bits |
| self.assertIsNone(self.pool.get_next()) |
| |
| def test_02_pre_allocate(self): |
| _pool2 = IndexPool(8, 0) |
| self.assertEqual(_pool2.indices.bin, '00000000') |
| _pool2.pre_allocate((0,1,2,)) |
| self.assertEqual(_pool2.indices.bin, '11100000') |
| |
| def test_03_release(self): |
| self.pool.release(5) |
| self.assertEqual(self.pool.indices.bin, '11111011') |
| self.pool.release(10) |
| self.assertEqual(self.pool.indices.bin, '11111011') |
| self.pool.release(0) |
| self.assertEqual(self.pool.indices.bin, '01111011') |
| |
| def test_04_check_offset(self): |
| _offset = 5 |
| self.pool = IndexPool(8, _offset) |
| for i in range(8): |
| self.assertEqual(self.pool.get_next(), _offset + i) |
| |
| |
| if __name__ == '__main__': |
| main() |