| #!/usr/bin/python2.4 |
| # |
| # Copyright 2011 Google Inc. All Rights Reserved. |
| # |
| # 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. |
| |
| """Tests for node_table_builder.""" |
| |
| __author__ = 'bmcquade@google.com (Bryan McQuade)' |
| |
| import unittest |
| |
| import node_table_builder |
| import trie_node |
| |
| class NodeTableBuilderTest(unittest.TestCase): |
| """Test cases for the NodeTableBuilder.""" |
| |
| def setUp(self): |
| self._hostname_part_trie = trie_node.TrieNode() |
| self._builder = node_table_builder.NodeTableBuilder() |
| |
| def testEmptyTable(self): |
| """Tests an empty node table.""" |
| self._builder.BuildNodeTables(self._hostname_part_trie) |
| self.assertEqual(0, len(self._builder.GetNodeTable())) |
| |
| def testBasic(self): |
| """Tests a basic node table.""" |
| com = self._hostname_part_trie.GetOrCreateChild('com') |
| uk = self._hostname_part_trie.GetOrCreateChild('uk') |
| loo = com.GetOrCreateChild('loo') |
| boo = com.GetOrCreateChild('boo') |
| igloo = uk.GetOrCreateChild('igloo') |
| |
| self._builder.BuildNodeTables(self._hostname_part_trie) |
| self.assertEqual([com, uk], self._builder.GetNodeTable()) |
| self.assertEqual([boo, loo, igloo], self._builder.GetLeafNodeTable()) |
| self.assertEqual(2, self._builder.GetChildNodeOffset(com)) |
| self.assertEqual(4, self._builder.GetChildNodeOffset(uk)) |
| |
| if __name__ == '__main__': |
| unittest.main() |
