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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 descriptor_pool
43from google.protobuf import symbol_database
44
45
46class SymbolDatabaseTest(unittest.TestCase):
47
48  def _Database(self):
49    if descriptor._USE_C_DESCRIPTORS:
50      # The C++ implementation does not allow mixing descriptors from
51      # different pools.
52      db = symbol_database.SymbolDatabase(pool=descriptor_pool.Default())
53    else:
54      db = symbol_database.SymbolDatabase()
55    # Register representative types from unittest_pb2.
56    db.RegisterFileDescriptor(unittest_pb2.DESCRIPTOR)
57    db.RegisterMessage(unittest_pb2.TestAllTypes)
58    db.RegisterMessage(unittest_pb2.TestAllTypes.NestedMessage)
59    db.RegisterMessage(unittest_pb2.TestAllTypes.OptionalGroup)
60    db.RegisterMessage(unittest_pb2.TestAllTypes.RepeatedGroup)
61    db.RegisterEnumDescriptor(unittest_pb2.ForeignEnum.DESCRIPTOR)
62    db.RegisterEnumDescriptor(unittest_pb2.TestAllTypes.NestedEnum.DESCRIPTOR)
63    return db
64
65  def testGetPrototype(self):
66    instance = self._Database().GetPrototype(
67        unittest_pb2.TestAllTypes.DESCRIPTOR)
68    self.assertTrue(instance is unittest_pb2.TestAllTypes)
69
70  def testGetMessages(self):
71    messages = self._Database().GetMessages(
72        ['google/protobuf/unittest.proto'])
73    self.assertTrue(
74        unittest_pb2.TestAllTypes is
75        messages['protobuf_unittest.TestAllTypes'])
76
77  def testGetSymbol(self):
78    self.assertEqual(
79        unittest_pb2.TestAllTypes, self._Database().GetSymbol(
80            'protobuf_unittest.TestAllTypes'))
81    self.assertEqual(
82        unittest_pb2.TestAllTypes.NestedMessage, self._Database().GetSymbol(
83            'protobuf_unittest.TestAllTypes.NestedMessage'))
84    self.assertEqual(
85        unittest_pb2.TestAllTypes.OptionalGroup, self._Database().GetSymbol(
86            'protobuf_unittest.TestAllTypes.OptionalGroup'))
87    self.assertEqual(
88        unittest_pb2.TestAllTypes.RepeatedGroup, self._Database().GetSymbol(
89            'protobuf_unittest.TestAllTypes.RepeatedGroup'))
90
91  def testEnums(self):
92    # Check registration of types in the pool.
93    self.assertEqual(
94        'protobuf_unittest.ForeignEnum',
95        self._Database().pool.FindEnumTypeByName(
96            'protobuf_unittest.ForeignEnum').full_name)
97    self.assertEqual(
98        'protobuf_unittest.TestAllTypes.NestedEnum',
99        self._Database().pool.FindEnumTypeByName(
100            'protobuf_unittest.TestAllTypes.NestedEnum').full_name)
101
102  def testFindMessageTypeByName(self):
103    self.assertEqual(
104        'protobuf_unittest.TestAllTypes',
105        self._Database().pool.FindMessageTypeByName(
106            'protobuf_unittest.TestAllTypes').full_name)
107    self.assertEqual(
108        'protobuf_unittest.TestAllTypes.NestedMessage',
109        self._Database().pool.FindMessageTypeByName(
110            'protobuf_unittest.TestAllTypes.NestedMessage').full_name)
111
112  def testFindFindContainingSymbol(self):
113    # Lookup based on either enum or message.
114    self.assertEqual(
115        'google/protobuf/unittest.proto',
116        self._Database().pool.FindFileContainingSymbol(
117            'protobuf_unittest.TestAllTypes.NestedEnum').name)
118    self.assertEqual(
119        'google/protobuf/unittest.proto',
120        self._Database().pool.FindFileContainingSymbol(
121            'protobuf_unittest.TestAllTypes').name)
122
123  def testFindFileByName(self):
124    self.assertEqual(
125        'google/protobuf/unittest.proto',
126        self._Database().pool.FindFileByName(
127            'google/protobuf/unittest.proto').name)
128
129
130if __name__ == '__main__':
131  unittest.main()
132