1#! /usr/bin/env python
2#
3# Protocol Buffers - Google's data interchange format
4# Copyright 2008 Google Inc.  All rights reserved.
5# https://developers.google.com/protocol-buffers/
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions are
9# met:
10#
11#     * Redistributions of source code must retain the above copyright
12# notice, this list of conditions and the following disclaimer.
13#     * Redistributions in binary form must reproduce the above
14# copyright notice, this list of conditions and the following disclaimer
15# in the documentation and/or other materials provided with the
16# distribution.
17#     * Neither the name of Google Inc. nor the names of its
18# contributors may be used to endorse or promote products derived from
19# this software without specific prior written permission.
20#
21# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32
33"""Tests for google.protobuf.symbol_database."""
34
35try:
36  import unittest2 as unittest  #PY26
37except ImportError:
38  import unittest
39
40from google.protobuf import unittest_pb2
41from google.protobuf import descriptor
42from google.protobuf import symbol_database
43
44class SymbolDatabaseTest(unittest.TestCase):
45
46  def _Database(self):
47    # TODO(b/17734095): Remove this difference when the C++ implementation
48    # supports multiple databases.
49    if descriptor._USE_C_DESCRIPTORS:
50      return symbol_database.Default()
51    else:
52      db = symbol_database.SymbolDatabase()
53      # Register representative types from unittest_pb2.
54      db.RegisterFileDescriptor(unittest_pb2.DESCRIPTOR)
55      db.RegisterMessage(unittest_pb2.TestAllTypes)
56      db.RegisterMessage(unittest_pb2.TestAllTypes.NestedMessage)
57      db.RegisterMessage(unittest_pb2.TestAllTypes.OptionalGroup)
58      db.RegisterMessage(unittest_pb2.TestAllTypes.RepeatedGroup)
59      db.RegisterEnumDescriptor(unittest_pb2.ForeignEnum.DESCRIPTOR)
60      db.RegisterEnumDescriptor(unittest_pb2.TestAllTypes.NestedEnum.DESCRIPTOR)
61      return db
62
63  def testGetPrototype(self):
64    instance = self._Database().GetPrototype(
65        unittest_pb2.TestAllTypes.DESCRIPTOR)
66    self.assertTrue(instance is unittest_pb2.TestAllTypes)
67
68  def testGetMessages(self):
69    messages = self._Database().GetMessages(
70        ['google/protobuf/unittest.proto'])
71    self.assertTrue(
72        unittest_pb2.TestAllTypes is
73        messages['protobuf_unittest.TestAllTypes'])
74
75  def testGetSymbol(self):
76    self.assertEqual(
77        unittest_pb2.TestAllTypes, self._Database().GetSymbol(
78            'protobuf_unittest.TestAllTypes'))
79    self.assertEqual(
80        unittest_pb2.TestAllTypes.NestedMessage, self._Database().GetSymbol(
81            'protobuf_unittest.TestAllTypes.NestedMessage'))
82    self.assertEqual(
83        unittest_pb2.TestAllTypes.OptionalGroup, self._Database().GetSymbol(
84            'protobuf_unittest.TestAllTypes.OptionalGroup'))
85    self.assertEqual(
86        unittest_pb2.TestAllTypes.RepeatedGroup, self._Database().GetSymbol(
87            'protobuf_unittest.TestAllTypes.RepeatedGroup'))
88
89  def testEnums(self):
90    # Check registration of types in the pool.
91    self.assertEqual(
92        'protobuf_unittest.ForeignEnum',
93        self._Database().pool.FindEnumTypeByName(
94            'protobuf_unittest.ForeignEnum').full_name)
95    self.assertEqual(
96        'protobuf_unittest.TestAllTypes.NestedEnum',
97        self._Database().pool.FindEnumTypeByName(
98            'protobuf_unittest.TestAllTypes.NestedEnum').full_name)
99
100  def testFindMessageTypeByName(self):
101    self.assertEqual(
102        'protobuf_unittest.TestAllTypes',
103        self._Database().pool.FindMessageTypeByName(
104            'protobuf_unittest.TestAllTypes').full_name)
105    self.assertEqual(
106        'protobuf_unittest.TestAllTypes.NestedMessage',
107        self._Database().pool.FindMessageTypeByName(
108            'protobuf_unittest.TestAllTypes.NestedMessage').full_name)
109
110  def testFindFindContainingSymbol(self):
111    # Lookup based on either enum or message.
112    self.assertEqual(
113        'google/protobuf/unittest.proto',
114        self._Database().pool.FindFileContainingSymbol(
115            'protobuf_unittest.TestAllTypes.NestedEnum').name)
116    self.assertEqual(
117        'google/protobuf/unittest.proto',
118        self._Database().pool.FindFileContainingSymbol(
119            'protobuf_unittest.TestAllTypes').name)
120
121  def testFindFileByName(self):
122    self.assertEqual(
123        'google/protobuf/unittest.proto',
124        self._Database().pool.FindFileByName(
125            'google/protobuf/unittest.proto').name)
126
127
128if __name__ == '__main__':
129  unittest.main()
130