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343 lines
14 KiB
343 lines
14 KiB
#! /usr/bin/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/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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from google.apputils import basetest |
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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_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(basetest.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_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 presense 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.assertEquals( |
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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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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.assertSameElements( |
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nested_names, |
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[field.name for field in desc.oneofs[0].fields]) |
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for field_name, field_desc in desc.fields_by_name.iteritems(): |
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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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class SymbolDatabaseRegistrationTest(basetest.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.assertEquals( |
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unittest_pb2.TestAllTypes, symbol_database.Default().GetSymbol( |
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'protobuf_unittest.TestAllTypes')) |
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self.assertEquals( |
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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.assertEquals( |
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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.assertEquals( |
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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.assertEquals( |
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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.assertEquals( |
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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.assertEquals( |
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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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basetest.main()
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