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360 lines
15 KiB
Python
360 lines
15 KiB
Python
#! /usr/bin/env python
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#
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# Protocol Buffers - Google's data interchange format
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# Copyright 2008 Google Inc. All rights reserved.
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# https://developers.google.com/protocol-buffers/
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# TODO(robinson): Flesh this out considerably. We focused on reflection_test.py
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# first, since it's testing the subtler code, and since it provides decent
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# indirect testing of the protocol compiler output.
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"""Unittest that directly tests the output of the pure-Python protocol
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compiler. See //google/protobuf/internal/reflection_test.py for a test which
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further ensures that we can use Python protocol message objects as we expect.
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"""
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__author__ = 'robinson@google.com (Will Robinson)'
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try:
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import unittest2 as unittest #PY26
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except ImportError:
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import unittest
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from google.protobuf.internal import test_bad_identifiers_pb2
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from google.protobuf import unittest_custom_options_pb2
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from google.protobuf import unittest_import_pb2
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from google.protobuf import unittest_import_public_pb2
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from google.protobuf import unittest_mset_pb2
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from google.protobuf import unittest_mset_wire_format_pb2
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from google.protobuf import unittest_no_generic_services_pb2
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from google.protobuf import unittest_pb2
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from google.protobuf import service
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from google.protobuf import symbol_database
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MAX_EXTENSION = 536870912
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class GeneratorTest(unittest.TestCase):
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def testNestedMessageDescriptor(self):
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field_name = 'optional_nested_message'
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proto_type = unittest_pb2.TestAllTypes
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self.assertEqual(
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proto_type.NestedMessage.DESCRIPTOR,
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proto_type.DESCRIPTOR.fields_by_name[field_name].message_type)
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def testEnums(self):
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# We test only module-level enums here.
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# TODO(robinson): Examine descriptors directly to check
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# enum descriptor output.
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self.assertEqual(4, unittest_pb2.FOREIGN_FOO)
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self.assertEqual(5, unittest_pb2.FOREIGN_BAR)
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self.assertEqual(6, unittest_pb2.FOREIGN_BAZ)
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proto = unittest_pb2.TestAllTypes()
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self.assertEqual(1, proto.FOO)
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self.assertEqual(1, unittest_pb2.TestAllTypes.FOO)
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self.assertEqual(2, proto.BAR)
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self.assertEqual(2, unittest_pb2.TestAllTypes.BAR)
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self.assertEqual(3, proto.BAZ)
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self.assertEqual(3, unittest_pb2.TestAllTypes.BAZ)
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def testExtremeDefaultValues(self):
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message = unittest_pb2.TestExtremeDefaultValues()
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# Python pre-2.6 does not have isinf() or isnan() functions, so we have
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# to provide our own.
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def isnan(val):
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# NaN is never equal to itself.
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return val != val
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def isinf(val):
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# Infinity times zero equals NaN.
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return not isnan(val) and isnan(val * 0)
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self.assertTrue(isinf(message.inf_double))
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self.assertTrue(message.inf_double > 0)
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self.assertTrue(isinf(message.neg_inf_double))
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self.assertTrue(message.neg_inf_double < 0)
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self.assertTrue(isnan(message.nan_double))
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self.assertTrue(isinf(message.inf_float))
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self.assertTrue(message.inf_float > 0)
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self.assertTrue(isinf(message.neg_inf_float))
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self.assertTrue(message.neg_inf_float < 0)
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self.assertTrue(isnan(message.nan_float))
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self.assertEqual("? ? ?? ?? ??? ??/ ??-", message.cpp_trigraph)
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def testHasDefaultValues(self):
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desc = unittest_pb2.TestAllTypes.DESCRIPTOR
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expected_has_default_by_name = {
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'optional_int32': False,
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'repeated_int32': False,
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'optional_nested_message': False,
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'default_int32': True,
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}
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has_default_by_name = dict(
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[(f.name, f.has_default_value)
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for f in desc.fields
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if f.name in expected_has_default_by_name])
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self.assertEqual(expected_has_default_by_name, has_default_by_name)
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def testContainingTypeBehaviorForExtensions(self):
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self.assertEqual(unittest_pb2.optional_int32_extension.containing_type,
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unittest_pb2.TestAllExtensions.DESCRIPTOR)
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self.assertEqual(unittest_pb2.TestRequired.single.containing_type,
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unittest_pb2.TestAllExtensions.DESCRIPTOR)
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def testExtensionScope(self):
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self.assertEqual(unittest_pb2.optional_int32_extension.extension_scope,
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None)
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self.assertEqual(unittest_pb2.TestRequired.single.extension_scope,
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unittest_pb2.TestRequired.DESCRIPTOR)
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def testIsExtension(self):
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self.assertTrue(unittest_pb2.optional_int32_extension.is_extension)
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self.assertTrue(unittest_pb2.TestRequired.single.is_extension)
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message_descriptor = unittest_pb2.TestRequired.DESCRIPTOR
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non_extension_descriptor = message_descriptor.fields_by_name['a']
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self.assertTrue(not non_extension_descriptor.is_extension)
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def testOptions(self):
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proto = unittest_mset_wire_format_pb2.TestMessageSet()
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self.assertTrue(proto.DESCRIPTOR.GetOptions().message_set_wire_format)
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def testMessageWithCustomOptions(self):
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proto = unittest_custom_options_pb2.TestMessageWithCustomOptions()
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enum_options = proto.DESCRIPTOR.enum_types_by_name['AnEnum'].GetOptions()
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self.assertTrue(enum_options is not None)
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# TODO(gps): We really should test for the presence of the enum_opt1
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# extension and for its value to be set to -789.
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def testNestedTypes(self):
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self.assertEqual(
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set(unittest_pb2.TestAllTypes.DESCRIPTOR.nested_types),
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set([
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unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR,
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unittest_pb2.TestAllTypes.OptionalGroup.DESCRIPTOR,
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unittest_pb2.TestAllTypes.RepeatedGroup.DESCRIPTOR,
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]))
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self.assertEqual(unittest_pb2.TestEmptyMessage.DESCRIPTOR.nested_types, [])
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self.assertEqual(
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unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.nested_types, [])
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def testContainingType(self):
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self.assertTrue(
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unittest_pb2.TestEmptyMessage.DESCRIPTOR.containing_type is None)
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self.assertTrue(
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unittest_pb2.TestAllTypes.DESCRIPTOR.containing_type is None)
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self.assertEqual(
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unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.containing_type,
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unittest_pb2.TestAllTypes.DESCRIPTOR)
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self.assertEqual(
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unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.containing_type,
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unittest_pb2.TestAllTypes.DESCRIPTOR)
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self.assertEqual(
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unittest_pb2.TestAllTypes.RepeatedGroup.DESCRIPTOR.containing_type,
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unittest_pb2.TestAllTypes.DESCRIPTOR)
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def testContainingTypeInEnumDescriptor(self):
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self.assertTrue(unittest_pb2._FOREIGNENUM.containing_type is None)
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self.assertEqual(unittest_pb2._TESTALLTYPES_NESTEDENUM.containing_type,
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unittest_pb2.TestAllTypes.DESCRIPTOR)
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def testPackage(self):
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self.assertEqual(
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unittest_pb2.TestAllTypes.DESCRIPTOR.file.package,
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'protobuf_unittest')
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desc = unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR
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self.assertEqual(desc.file.package, 'protobuf_unittest')
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self.assertEqual(
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unittest_import_pb2.ImportMessage.DESCRIPTOR.file.package,
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'protobuf_unittest_import')
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self.assertEqual(
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unittest_pb2._FOREIGNENUM.file.package, 'protobuf_unittest')
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self.assertEqual(
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unittest_pb2._TESTALLTYPES_NESTEDENUM.file.package,
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'protobuf_unittest')
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self.assertEqual(
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unittest_import_pb2._IMPORTENUM.file.package,
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'protobuf_unittest_import')
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def testExtensionRange(self):
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self.assertEqual(
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unittest_pb2.TestAllTypes.DESCRIPTOR.extension_ranges, [])
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self.assertEqual(
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unittest_pb2.TestAllExtensions.DESCRIPTOR.extension_ranges,
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[(1, MAX_EXTENSION)])
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self.assertEqual(
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unittest_pb2.TestMultipleExtensionRanges.DESCRIPTOR.extension_ranges,
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[(42, 43), (4143, 4244), (65536, MAX_EXTENSION)])
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def testFileDescriptor(self):
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self.assertEqual(unittest_pb2.DESCRIPTOR.name,
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'google/protobuf/unittest.proto')
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self.assertEqual(unittest_pb2.DESCRIPTOR.package, 'protobuf_unittest')
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self.assertFalse(unittest_pb2.DESCRIPTOR.serialized_pb is None)
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self.assertEqual(unittest_pb2.DESCRIPTOR.dependencies,
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[unittest_import_pb2.DESCRIPTOR])
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self.assertEqual(unittest_import_pb2.DESCRIPTOR.dependencies,
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[unittest_import_public_pb2.DESCRIPTOR])
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self.assertEqual(unittest_import_pb2.DESCRIPTOR.public_dependencies,
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[unittest_import_public_pb2.DESCRIPTOR])
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def testNoGenericServices(self):
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self.assertTrue(hasattr(unittest_no_generic_services_pb2, "TestMessage"))
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self.assertTrue(hasattr(unittest_no_generic_services_pb2, "FOO"))
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self.assertTrue(hasattr(unittest_no_generic_services_pb2, "test_extension"))
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# Make sure unittest_no_generic_services_pb2 has no services subclassing
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# Proto2 Service class.
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if hasattr(unittest_no_generic_services_pb2, "TestService"):
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self.assertFalse(issubclass(unittest_no_generic_services_pb2.TestService,
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service.Service))
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def testMessageTypesByName(self):
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file_type = unittest_pb2.DESCRIPTOR
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self.assertEqual(
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unittest_pb2._TESTALLTYPES,
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file_type.message_types_by_name[unittest_pb2._TESTALLTYPES.name])
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# Nested messages shouldn't be included in the message_types_by_name
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# dictionary (like in the C++ API).
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self.assertFalse(
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unittest_pb2._TESTALLTYPES_NESTEDMESSAGE.name in
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file_type.message_types_by_name)
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def testEnumTypesByName(self):
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file_type = unittest_pb2.DESCRIPTOR
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self.assertEqual(
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unittest_pb2._FOREIGNENUM,
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file_type.enum_types_by_name[unittest_pb2._FOREIGNENUM.name])
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def testExtensionsByName(self):
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file_type = unittest_pb2.DESCRIPTOR
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self.assertEqual(
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unittest_pb2.my_extension_string,
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file_type.extensions_by_name[unittest_pb2.my_extension_string.name])
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def testPublicImports(self):
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# Test public imports as embedded message.
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all_type_proto = unittest_pb2.TestAllTypes()
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self.assertEqual(0, all_type_proto.optional_public_import_message.e)
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# PublicImportMessage is actually defined in unittest_import_public_pb2
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# module, and is public imported by unittest_import_pb2 module.
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public_import_proto = unittest_import_pb2.PublicImportMessage()
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self.assertEqual(0, public_import_proto.e)
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self.assertTrue(unittest_import_public_pb2.PublicImportMessage is
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unittest_import_pb2.PublicImportMessage)
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def testBadIdentifiers(self):
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# We're just testing that the code was imported without problems.
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message = test_bad_identifiers_pb2.TestBadIdentifiers()
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self.assertEqual(message.Extensions[test_bad_identifiers_pb2.message],
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"foo")
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self.assertEqual(message.Extensions[test_bad_identifiers_pb2.descriptor],
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"bar")
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self.assertEqual(message.Extensions[test_bad_identifiers_pb2.reflection],
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"baz")
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self.assertEqual(message.Extensions[test_bad_identifiers_pb2.service],
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"qux")
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def testOneof(self):
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desc = unittest_pb2.TestAllTypes.DESCRIPTOR
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self.assertEqual(1, len(desc.oneofs))
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self.assertEqual('oneof_field', desc.oneofs[0].name)
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self.assertEqual(0, desc.oneofs[0].index)
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self.assertIs(desc, desc.oneofs[0].containing_type)
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self.assertIs(desc.oneofs[0], desc.oneofs_by_name['oneof_field'])
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nested_names = set(['oneof_uint32', 'oneof_nested_message',
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'oneof_string', 'oneof_bytes'])
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self.assertEqual(
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nested_names,
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set([field.name for field in desc.oneofs[0].fields]))
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for field_name, field_desc in desc.fields_by_name.items():
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if field_name in nested_names:
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self.assertIs(desc.oneofs[0], field_desc.containing_oneof)
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else:
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self.assertIsNone(field_desc.containing_oneof)
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def testEnumWithDupValue(self):
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self.assertEqual('FOO1',
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unittest_pb2.TestEnumWithDupValue.Name(unittest_pb2.FOO1))
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self.assertEqual('FOO1',
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unittest_pb2.TestEnumWithDupValue.Name(unittest_pb2.FOO2))
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self.assertEqual('BAR1',
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unittest_pb2.TestEnumWithDupValue.Name(unittest_pb2.BAR1))
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self.assertEqual('BAR1',
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unittest_pb2.TestEnumWithDupValue.Name(unittest_pb2.BAR2))
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class SymbolDatabaseRegistrationTest(unittest.TestCase):
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"""Checks that messages, enums and files are correctly registered."""
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def testGetSymbol(self):
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self.assertEqual(
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unittest_pb2.TestAllTypes, symbol_database.Default().GetSymbol(
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'protobuf_unittest.TestAllTypes'))
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self.assertEqual(
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unittest_pb2.TestAllTypes.NestedMessage,
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symbol_database.Default().GetSymbol(
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'protobuf_unittest.TestAllTypes.NestedMessage'))
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with self.assertRaises(KeyError):
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symbol_database.Default().GetSymbol('protobuf_unittest.NestedMessage')
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self.assertEqual(
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unittest_pb2.TestAllTypes.OptionalGroup,
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symbol_database.Default().GetSymbol(
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'protobuf_unittest.TestAllTypes.OptionalGroup'))
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self.assertEqual(
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unittest_pb2.TestAllTypes.RepeatedGroup,
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symbol_database.Default().GetSymbol(
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'protobuf_unittest.TestAllTypes.RepeatedGroup'))
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def testEnums(self):
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self.assertEqual(
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'protobuf_unittest.ForeignEnum',
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symbol_database.Default().pool.FindEnumTypeByName(
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'protobuf_unittest.ForeignEnum').full_name)
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self.assertEqual(
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'protobuf_unittest.TestAllTypes.NestedEnum',
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symbol_database.Default().pool.FindEnumTypeByName(
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'protobuf_unittest.TestAllTypes.NestedEnum').full_name)
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def testFindFileByName(self):
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self.assertEqual(
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'google/protobuf/unittest.proto',
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symbol_database.Default().pool.FindFileByName(
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'google/protobuf/unittest.proto').name)
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if __name__ == '__main__':
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unittest.main()
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