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#! /usr/bin/python
#
# Protocol Buffers - Google's data interchange format
# Copyright 2008 Google Inc. All rights reserved.
# http://code.google.com/p/protobuf/
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# TODO(robinson): Flesh this out considerably. We focused on reflection_test.py
# first, since it's testing the subtler code, and since it provides decent
# indirect testing of the protocol compiler output.
"""Unittest that directly tests the output of the pure-Python protocol
compiler. See //google/protobuf/reflection_test.py for a test which
further ensures that we can use Python protocol message objects as we expect.
"""
__author__ = 'robinson@google.com (Will Robinson)'
import unittest
from google.protobuf import unittest_import_pb2
from google.protobuf import unittest_mset_pb2
from google.protobuf import unittest_pb2
from google.protobuf import unittest_no_generic_services_pb2
MAX_EXTENSION = 536870912
class GeneratorTest(unittest.TestCase):
def testNestedMessageDescriptor(self):
field_name = 'optional_nested_message'
proto_type = unittest_pb2.TestAllTypes
self.assertEqual(
proto_type.NestedMessage.DESCRIPTOR,
proto_type.DESCRIPTOR.fields_by_name[field_name].message_type)
def testEnums(self):
# We test only module-level enums here.
# TODO(robinson): Examine descriptors directly to check
# enum descriptor output.
self.assertEqual(4, unittest_pb2.FOREIGN_FOO)
self.assertEqual(5, unittest_pb2.FOREIGN_BAR)
self.assertEqual(6, unittest_pb2.FOREIGN_BAZ)
proto = unittest_pb2.TestAllTypes()
self.assertEqual(1, proto.FOO)
self.assertEqual(1, unittest_pb2.TestAllTypes.FOO)
self.assertEqual(2, proto.BAR)
self.assertEqual(2, unittest_pb2.TestAllTypes.BAR)
self.assertEqual(3, proto.BAZ)
self.assertEqual(3, unittest_pb2.TestAllTypes.BAZ)
def testExtremeDefaultValues(self):
message = unittest_pb2.TestExtremeDefaultValues()
# Python pre-2.6 does not have isinf() or isnan() functions, so we have
# to provide our own.
def isnan(val):
# NaN is never equal to itself.
return val != val
def isinf(val):
# Infinity times zero equals NaN.
return not isnan(val) and isnan(val * 0)
self.assertTrue(isinf(message.inf_double))
self.assertTrue(message.inf_double > 0)
self.assertTrue(isinf(message.neg_inf_double))
self.assertTrue(message.neg_inf_double < 0)
self.assertTrue(isnan(message.nan_double))
self.assertTrue(isinf(message.inf_float))
self.assertTrue(message.inf_float > 0)
self.assertTrue(isinf(message.neg_inf_float))
self.assertTrue(message.neg_inf_float < 0)
self.assertTrue(isnan(message.nan_float))
def testHasDefaultValues(self):
desc = unittest_pb2.TestAllTypes.DESCRIPTOR
expected_has_default_by_name = {
'optional_int32': False,
'repeated_int32': False,
'optional_nested_message': False,
'default_int32': True,
}
has_default_by_name = dict(
[(f.name, f.has_default_value)
for f in desc.fields
if f.name in expected_has_default_by_name])
self.assertEqual(expected_has_default_by_name, has_default_by_name)
def testContainingTypeBehaviorForExtensions(self):
self.assertEqual(unittest_pb2.optional_int32_extension.containing_type,
unittest_pb2.TestAllExtensions.DESCRIPTOR)
self.assertEqual(unittest_pb2.TestRequired.single.containing_type,
unittest_pb2.TestAllExtensions.DESCRIPTOR)
def testExtensionScope(self):
self.assertEqual(unittest_pb2.optional_int32_extension.extension_scope,
None)
self.assertEqual(unittest_pb2.TestRequired.single.extension_scope,
unittest_pb2.TestRequired.DESCRIPTOR)
def testIsExtension(self):
self.assertTrue(unittest_pb2.optional_int32_extension.is_extension)
self.assertTrue(unittest_pb2.TestRequired.single.is_extension)
message_descriptor = unittest_pb2.TestRequired.DESCRIPTOR
non_extension_descriptor = message_descriptor.fields_by_name['a']
self.assertTrue(not non_extension_descriptor.is_extension)
def testOptions(self):
proto = unittest_mset_pb2.TestMessageSet()
self.assertTrue(proto.DESCRIPTOR.GetOptions().message_set_wire_format)
def testNestedTypes(self):
self.assertEquals(
set(unittest_pb2.TestAllTypes.DESCRIPTOR.nested_types),
set([
unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR,
unittest_pb2.TestAllTypes.OptionalGroup.DESCRIPTOR,
unittest_pb2.TestAllTypes.RepeatedGroup.DESCRIPTOR,
]))
self.assertEqual(unittest_pb2.TestEmptyMessage.DESCRIPTOR.nested_types, [])
self.assertEqual(
unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.nested_types, [])
def testContainingType(self):
self.assertTrue(
unittest_pb2.TestEmptyMessage.DESCRIPTOR.containing_type is None)
self.assertTrue(
unittest_pb2.TestAllTypes.DESCRIPTOR.containing_type is None)
self.assertEqual(
unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.containing_type,
unittest_pb2.TestAllTypes.DESCRIPTOR)
self.assertEqual(
unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.containing_type,
unittest_pb2.TestAllTypes.DESCRIPTOR)
self.assertEqual(
unittest_pb2.TestAllTypes.RepeatedGroup.DESCRIPTOR.containing_type,
unittest_pb2.TestAllTypes.DESCRIPTOR)
def testContainingTypeInEnumDescriptor(self):
self.assertTrue(unittest_pb2._FOREIGNENUM.containing_type is None)
self.assertEqual(unittest_pb2._TESTALLTYPES_NESTEDENUM.containing_type,
unittest_pb2.TestAllTypes.DESCRIPTOR)
def testPackage(self):
self.assertEqual(
unittest_pb2.TestAllTypes.DESCRIPTOR.file.package,
'protobuf_unittest')
desc = unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR
self.assertEqual(desc.file.package, 'protobuf_unittest')
self.assertEqual(
unittest_import_pb2.ImportMessage.DESCRIPTOR.file.package,
'protobuf_unittest_import')
self.assertEqual(
unittest_pb2._FOREIGNENUM.file.package, 'protobuf_unittest')
self.assertEqual(
unittest_pb2._TESTALLTYPES_NESTEDENUM.file.package,
'protobuf_unittest')
self.assertEqual(
unittest_import_pb2._IMPORTENUM.file.package,
'protobuf_unittest_import')
def testExtensionRange(self):
self.assertEqual(
unittest_pb2.TestAllTypes.DESCRIPTOR.extension_ranges, [])
self.assertEqual(
unittest_pb2.TestAllExtensions.DESCRIPTOR.extension_ranges,
[(1, MAX_EXTENSION)])
self.assertEqual(
unittest_pb2.TestMultipleExtensionRanges.DESCRIPTOR.extension_ranges,
[(42, 43), (4143, 4244), (65536, MAX_EXTENSION)])
def testFileDescriptor(self):
self.assertEqual(unittest_pb2.DESCRIPTOR.name,
'google/protobuf/unittest.proto')
self.assertEqual(unittest_pb2.DESCRIPTOR.package, 'protobuf_unittest')
self.assertFalse(unittest_pb2.DESCRIPTOR.serialized_pb is None)
def testNoGenericServices(self):
# unittest_no_generic_services.proto should contain defs for everything
# except services.
self.assertTrue(hasattr(unittest_no_generic_services_pb2, "TestMessage"))
self.assertTrue(hasattr(unittest_no_generic_services_pb2, "FOO"))
self.assertTrue(hasattr(unittest_no_generic_services_pb2, "test_extension"))
self.assertFalse(hasattr(unittest_no_generic_services_pb2, "TestService"))
if __name__ == '__main__':
unittest.main()
|
