[PYTHON] Drop dependency on 'google.apputils'.

Use stdlib's 'unittest' instead.

.travis.yml

@@ -11,9 +11,9 @@ script:
   - ./autogen.sh && ./configure && make -j2
   - cd java && mvn test && cd ..
   - cd javanano && mvn test && cd ..
-  - cd python && python setup.py build && python setup.py google_test && cd ..
+  - cd python && python setup.py build && python setup.py test && cd ..
   - export LD_LIBRARY_PATH=../src/.libs
-  - cd python && python setup.py build --cpp_implementation && python setup.py google_test --cpp_implementation && cd ..
+  - cd python && python setup.py build --cpp_implementation && python setup.py test --cpp_implementation && cd ..
   - make distcheck -j2
 notifications:
   email: false

python/README.md

@@ -50,7 +50,7 @@ Installation
 4) Build and run the tests:
 
      $ python setup.py build
-     $ python setup.py google_test
+     $ python setup.py test
 
      To build, test, and use the C++ implementation, you must first compile
      libprotobuf.so:
@@ -82,7 +82,7 @@ Installation
      $ python setup.py build --cpp_implementation
 
      Then run the tests like so:
-     $ python setup.py google_test --cpp_implementation
+     $ python setup.py test --cpp_implementation
 
    If some tests fail, this library may not work correctly on your
    system.  Continue at your own risk.

python/google/protobuf/internal/_parameterized.py

@@ -152,8 +152,6 @@ import types
 import unittest
 import uuid
 
-from google.apputils import basetest
-
 ADDR_RE = re.compile(r'\<([a-zA-Z0-9_\-\.]+) object at 0x[a-fA-F0-9]+\>')
 _SEPARATOR = uuid.uuid1().hex
 _FIRST_ARG = object()
@@ -380,7 +378,7 @@ def _UpdateClassDictForParamTestCase(dct, id_suffix, name, iterator):
     id_suffix[new_name] = getattr(func, '__x_extra_id__', '')
 
 
-class ParameterizedTestCase(basetest.TestCase):
+class ParameterizedTestCase(unittest.TestCase):
   """Base class for test cases using the Parameters decorator."""
   __metaclass__ = TestGeneratorMetaclass
 

python/google/protobuf/internal/descriptor_database_test.py

@@ -34,13 +34,14 @@
 
 __author__ = 'matthewtoia@google.com (Matt Toia)'
 
-from google.apputils import basetest
+import unittest
+
 from google.protobuf import descriptor_pb2
 from google.protobuf.internal import factory_test2_pb2
 from google.protobuf import descriptor_database
 
 
-class DescriptorDatabaseTest(basetest.TestCase):
+class DescriptorDatabaseTest(unittest.TestCase):
 
   def testAdd(self):
     db = descriptor_database.DescriptorDatabase()
@@ -62,4 +63,4 @@ class DescriptorDatabaseTest(basetest.TestCase):
         'google.protobuf.python.internal.MessageWithNestedEnumOnly.NestedEnum'))
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/descriptor_pool_test.py

@@ -37,7 +37,6 @@ __author__ = 'matthewtoia@google.com (Matt Toia)'
 import os
 import unittest
 
-from google.apputils import basetest
 from google.protobuf import unittest_pb2
 from google.protobuf import descriptor_pb2
 from google.protobuf.internal import api_implementation
@@ -51,7 +50,7 @@ from google.protobuf import descriptor_pool
 from google.protobuf import symbol_database
 
 
-class DescriptorPoolTest(basetest.TestCase):
+class DescriptorPoolTest(unittest.TestCase):
 
   def setUp(self):
     self.pool = descriptor_pool.DescriptorPool()
@@ -426,7 +425,7 @@ class ExtensionField(object):
     test.assertEqual(self.extended_type, field_desc.containing_type.name)
 
 
-class AddDescriptorTest(basetest.TestCase):
+class AddDescriptorTest(unittest.TestCase):
 
   def _TestMessage(self, prefix):
     pool = descriptor_pool.DescriptorPool()
@@ -588,4 +587,4 @@ TEST2_FILE = ProtoFile(
 
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/descriptor_test.py

@@ -35,8 +35,8 @@
 __author__ = 'robinson@google.com (Will Robinson)'
 
 import sys
+import unittest
 
-from google.apputils import basetest
 from google.protobuf import unittest_custom_options_pb2
 from google.protobuf import unittest_import_pb2
 from google.protobuf import unittest_pb2
@@ -52,7 +52,7 @@ name: 'TestEmptyMessage'
 """
 
 
-class DescriptorTest(basetest.TestCase):
+class DescriptorTest(unittest.TestCase):
 
   def setUp(self):
     file_proto = descriptor_pb2.FileDescriptorProto(
@@ -390,7 +390,7 @@ class DescriptorTest(basetest.TestCase):
     self.assertEqual(self.my_file.name, 'some/filename/some.proto')
     self.assertEqual(self.my_file.package, 'protobuf_unittest')
 
-  @basetest.unittest.skipIf(
+  @unittest.skipIf(
       api_implementation.Type() != 'cpp' or api_implementation.Version() != 2,
       'Immutability of descriptors is only enforced in v2 implementation')
   def testImmutableCppDescriptor(self):
@@ -403,7 +403,7 @@ class DescriptorTest(basetest.TestCase):
       message_descriptor.fields.append(None)
 
 
-class GeneratedDescriptorTest(basetest.TestCase):
+class GeneratedDescriptorTest(unittest.TestCase):
   """Tests for the properties of descriptors in generated code."""
 
   def CheckMessageDescriptor(self, message_descriptor):
@@ -493,7 +493,7 @@ class GeneratedDescriptorTest(basetest.TestCase):
     self.assertEqual('FOO', next(values_iter).name)
 
 
-class DescriptorCopyToProtoTest(basetest.TestCase):
+class DescriptorCopyToProtoTest(unittest.TestCase):
   """Tests for CopyTo functions of Descriptor."""
 
   def _AssertProtoEqual(self, actual_proto, expected_class, expected_ascii):
@@ -694,7 +694,7 @@ class DescriptorCopyToProtoTest(basetest.TestCase):
     #    TEST_SERVICE_ASCII)
 
 
-class MakeDescriptorTest(basetest.TestCase):
+class MakeDescriptorTest(unittest.TestCase):
 
   def testMakeDescriptorWithNestedFields(self):
     file_descriptor_proto = descriptor_pb2.FileDescriptorProto()
@@ -776,4 +776,4 @@ class MakeDescriptorTest(basetest.TestCase):
                       options.Extensions[unittest_custom_options_pb2.msgopt].i)
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/generator_test.py

@@ -41,7 +41,8 @@ further ensures that we can use Python protocol message objects as we expect.
 
 __author__ = 'robinson@google.com (Will Robinson)'
 
-from google.apputils import basetest
+import unittest
+
 from google.protobuf.internal import test_bad_identifiers_pb2
 from google.protobuf import unittest_custom_options_pb2
 from google.protobuf import unittest_import_pb2
@@ -55,7 +56,7 @@ from google.protobuf import symbol_database
 MAX_EXTENSION = 536870912
 
 
-class GeneratorTest(basetest.TestCase):
+class GeneratorTest(unittest.TestCase):
 
   def testNestedMessageDescriptor(self):
     field_name = 'optional_nested_message'
@@ -291,7 +292,7 @@ class GeneratorTest(basetest.TestCase):
     self.assertIs(desc.oneofs[0], desc.oneofs_by_name['oneof_field'])
     nested_names = set(['oneof_uint32', 'oneof_nested_message',
                         'oneof_string', 'oneof_bytes'])
-    self.assertSameElements(
+    self.assertItemsEqual(
         nested_names,
         [field.name for field in desc.oneofs[0].fields])
     for field_name, field_desc in desc.fields_by_name.iteritems():
@@ -301,7 +302,7 @@ class GeneratorTest(basetest.TestCase):
         self.assertIsNone(field_desc.containing_oneof)
 
 
-class SymbolDatabaseRegistrationTest(basetest.TestCase):
+class SymbolDatabaseRegistrationTest(unittest.TestCase):
   """Checks that messages, enums and files are correctly registered."""
 
   def testGetSymbol(self):
@@ -340,4 +341,4 @@ class SymbolDatabaseRegistrationTest(basetest.TestCase):
             'google/protobuf/unittest.proto').name)
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/message_factory_test.py

@@ -34,7 +34,8 @@
 
 __author__ = 'matthewtoia@google.com (Matt Toia)'
 
-from google.apputils import basetest
+import unittest
+
 from google.protobuf import descriptor_pb2
 from google.protobuf.internal import factory_test1_pb2
 from google.protobuf.internal import factory_test2_pb2
@@ -43,7 +44,7 @@ from google.protobuf import descriptor_pool
 from google.protobuf import message_factory
 
 
-class MessageFactoryTest(basetest.TestCase):
+class MessageFactoryTest(unittest.TestCase):
 
   def setUp(self):
     self.factory_test1_fd = descriptor_pb2.FileDescriptorProto.FromString(
@@ -104,17 +105,18 @@ class MessageFactoryTest(basetest.TestCase):
     for _ in range(2):
       messages = message_factory.GetMessages([self.factory_test2_fd,
                                               self.factory_test1_fd])
-      self.assertContainsSubset(
-          ['google.protobuf.python.internal.Factory2Message',
-           'google.protobuf.python.internal.Factory1Message'],
-          messages.keys())
+      self.assertTrue(
+          set(['google.protobuf.python.internal.Factory2Message',
+               'google.protobuf.python.internal.Factory1Message'],
+             ).issubset(set(messages.keys())))
       self._ExerciseDynamicClass(
           messages['google.protobuf.python.internal.Factory2Message'])
-      self.assertContainsSubset(
-          ['google.protobuf.python.internal.Factory2Message.one_more_field',
-           'google.protobuf.python.internal.another_field'],
-          (messages['google.protobuf.python.internal.Factory1Message']
-           ._extensions_by_name.keys()))
+      self.assertTrue(
+          set(['google.protobuf.python.internal.Factory2Message.one_more_field',
+               'google.protobuf.python.internal.another_field'],
+             ).issubset(
+                set(messages['google.protobuf.python.internal.Factory1Message']
+                     ._extensions_by_name.keys())))
       factory_msg1 = messages['google.protobuf.python.internal.Factory1Message']
       msg1 = messages['google.protobuf.python.internal.Factory1Message']()
       ext1 = factory_msg1._extensions_by_name[
@@ -128,4 +130,4 @@ class MessageFactoryTest(basetest.TestCase):
 
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/message_test.py

@@ -50,7 +50,6 @@ import pickle
 import sys
 import unittest
 
-from google.apputils import basetest
 from google.protobuf.internal import _parameterized
 from google.protobuf import unittest_pb2
 from google.protobuf import unittest_proto3_arena_pb2
@@ -75,7 +74,7 @@ def IsNegInf(val):
 @_parameterized.Parameters(
     (unittest_pb2),
     (unittest_proto3_arena_pb2))
-class MessageTest(basetest.TestCase):
+class MessageTest(unittest.TestCase):
 
   def testBadUtf8String(self, message_module):
     if api_implementation.Type() != 'python':
@@ -887,7 +886,7 @@ class MessageTest(basetest.TestCase):
 
 
 # Class to test proto2-only features (required, extensions, etc.)
-class Proto2Test(basetest.TestCase):
+class Proto2Test(unittest.TestCase):
 
   def testFieldPresence(self):
     message = unittest_pb2.TestAllTypes()
@@ -1037,7 +1036,7 @@ class Proto2Test(basetest.TestCase):
 
 
 # Class to test proto3-only features/behavior (updated field presence & enums)
-class Proto3Test(basetest.TestCase):
+class Proto3Test(unittest.TestCase):
 
   def testFieldPresence(self):
     message = unittest_proto3_arena_pb2.TestAllTypes()
@@ -1115,7 +1114,7 @@ class Proto3Test(basetest.TestCase):
     self.assertEqual(7654321, m2.repeated_nested_enum[0])
 
 
-class ValidTypeNamesTest(basetest.TestCase):
+class ValidTypeNamesTest(unittest.TestCase):
 
   def assertImportFromName(self, msg, base_name):
     # Parse <type 'module.class_name'> to extra 'some.name' as a string.
@@ -1138,4 +1137,4 @@ class ValidTypeNamesTest(basetest.TestCase):
 
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/proto_builder_test.py

@@ -32,7 +32,7 @@
 
 """Tests for google.protobuf.proto_builder."""
 
-from google.apputils import basetest
+import unittest
 
 from google.protobuf import descriptor_pb2
 from google.protobuf import descriptor_pool
@@ -40,7 +40,7 @@ from google.protobuf import proto_builder
 from google.protobuf import text_format
 
 
-class ProtoBuilderTest(basetest.TestCase):
+class ProtoBuilderTest(unittest.TestCase):
 
   def setUp(self):
     self._fields = {
@@ -74,4 +74,4 @@ class ProtoBuilderTest(basetest.TestCase):
 
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/reflection_test.py

@@ -39,8 +39,8 @@ import copy
 import gc
 import operator
 import struct
+import unittest
 
-from google.apputils import basetest
 from google.protobuf import unittest_import_pb2
 from google.protobuf import unittest_mset_pb2
 from google.protobuf import unittest_pb2
@@ -102,7 +102,7 @@ class _MiniDecoder(object):
     return self._pos == len(self._bytes)
 
 
-class ReflectionTest(basetest.TestCase):
+class ReflectionTest(unittest.TestCase):
 
   def assertListsEqual(self, values, others):
     self.assertEqual(len(values), len(others))
@@ -1619,7 +1619,7 @@ class ReflectionTest(basetest.TestCase):
     self.assertFalse(proto.IsInitialized(errors))
     self.assertEqual(errors, ['a', 'b', 'c'])
 
-  @basetest.unittest.skipIf(
+  @unittest.skipIf(
       api_implementation.Type() != 'cpp' or api_implementation.Version() != 2,
       'Errors are only available from the most recent C++ implementation.')
   def testFileDescriptorErrors(self):
@@ -1792,7 +1792,7 @@ class ReflectionTest(basetest.TestCase):
     # Just check the default value.
     self.assertEqual(57, msg.inner.value)
 
-  @basetest.unittest.skipIf(
+  @unittest.skipIf(
       api_implementation.Type() != 'cpp' or api_implementation.Version() != 2,
       'CPPv2-specific test')
   def testBadArguments(self):
@@ -1808,7 +1808,7 @@ class ReflectionTest(basetest.TestCase):
 #  into separate TestCase classes.
 
 
-class TestAllTypesEqualityTest(basetest.TestCase):
+class TestAllTypesEqualityTest(unittest.TestCase):
 
   def setUp(self):
     self.first_proto = unittest_pb2.TestAllTypes()
@@ -1824,7 +1824,7 @@ class TestAllTypesEqualityTest(basetest.TestCase):
     self.assertEqual(self.first_proto, self.second_proto)
 
 
-class FullProtosEqualityTest(basetest.TestCase):
+class FullProtosEqualityTest(unittest.TestCase):
 
   """Equality tests using completely-full protos as a starting point."""
 
@@ -1910,7 +1910,7 @@ class FullProtosEqualityTest(basetest.TestCase):
     self.assertEqual(self.first_proto, self.second_proto)
 
 
-class ExtensionEqualityTest(basetest.TestCase):
+class ExtensionEqualityTest(unittest.TestCase):
 
   def testExtensionEquality(self):
     first_proto = unittest_pb2.TestAllExtensions()
@@ -1943,7 +1943,7 @@ class ExtensionEqualityTest(basetest.TestCase):
     self.assertEqual(first_proto, second_proto)
 
 
-class MutualRecursionEqualityTest(basetest.TestCase):
+class MutualRecursionEqualityTest(unittest.TestCase):
 
   def testEqualityWithMutualRecursion(self):
     first_proto = unittest_pb2.TestMutualRecursionA()
@@ -1955,7 +1955,7 @@ class MutualRecursionEqualityTest(basetest.TestCase):
     self.assertEqual(first_proto, second_proto)
 
 
-class ByteSizeTest(basetest.TestCase):
+class ByteSizeTest(unittest.TestCase):
 
   def setUp(self):
     self.proto = unittest_pb2.TestAllTypes()
@@ -2251,7 +2251,7 @@ class ByteSizeTest(basetest.TestCase):
 #   * Handling of empty submessages (with and without "has"
 #     bits set).
 
-class SerializationTest(basetest.TestCase):
+class SerializationTest(unittest.TestCase):
 
   def testSerializeEmtpyMessage(self):
     first_proto = unittest_pb2.TestAllTypes()
@@ -2802,7 +2802,7 @@ class SerializationTest(basetest.TestCase):
     self.assertEqual(3, proto.repeated_int32[2])
 
 
-class OptionsTest(basetest.TestCase):
+class OptionsTest(unittest.TestCase):
 
   def testMessageOptions(self):
     proto = unittest_mset_pb2.TestMessageSet()
@@ -2829,9 +2829,9 @@ class OptionsTest(basetest.TestCase):
 
 
 
-class ClassAPITest(basetest.TestCase):
+class ClassAPITest(unittest.TestCase):
 
-  @basetest.unittest.skipIf(
+  @unittest.skipIf(
       api_implementation.Type() == 'cpp' and api_implementation.Version() == 2,
       'C++ implementation requires a call to MakeDescriptor()')
   def testMakeClassWithNestedDescriptor(self):
@@ -2963,4 +2963,4 @@ class ClassAPITest(basetest.TestCase):
     self.assertEqual(msg.bar.baz.deep, 4)
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/service_reflection_test.py

@@ -34,13 +34,14 @@
 
 __author__ = 'petar@google.com (Petar Petrov)'
 
-from google.apputils import basetest
+import unittest
+
 from google.protobuf import unittest_pb2
 from google.protobuf import service_reflection
 from google.protobuf import service
 
 
-class FooUnitTest(basetest.TestCase):
+class FooUnitTest(unittest.TestCase):
 
   def testService(self):
     class MockRpcChannel(service.RpcChannel):
@@ -133,4 +134,4 @@ class FooUnitTest(basetest.TestCase):
 
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/symbol_database_test.py

@@ -32,12 +32,13 @@
 
 """Tests for google.protobuf.symbol_database."""
 
-from google.apputils import basetest
+import unittest
+
 from google.protobuf import unittest_pb2
 from google.protobuf import symbol_database
 
 
-class SymbolDatabaseTest(basetest.TestCase):
+class SymbolDatabaseTest(unittest.TestCase):
 
   def _Database(self):
     db = symbol_database.SymbolDatabase()
@@ -117,4 +118,4 @@ class SymbolDatabaseTest(basetest.TestCase):
 
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/text_encoding_test.py

@@ -32,7 +32,8 @@
 
 """Tests for google.protobuf.text_encoding."""
 
-from google.apputils import basetest
+import unittest
+
 from google.protobuf import text_encoding
 
 TEST_VALUES = [
@@ -50,7 +51,7 @@ TEST_VALUES = [
      b"\010\011\012\013\014\015")]
 
 
-class TextEncodingTestCase(basetest.TestCase):
+class TextEncodingTestCase(unittest.TestCase):
   def testCEscape(self):
     for escaped, escaped_utf8, unescaped in TEST_VALUES:
       self.assertEquals(escaped,
@@ -65,4 +66,4 @@ class TextEncodingTestCase(basetest.TestCase):
 
 
 if __name__ == "__main__":
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/text_format_test.py

@@ -35,8 +35,8 @@
 __author__ = 'kenton@google.com (Kenton Varda)'
 
 import re
+import unittest
 
-from google.apputils import basetest
 from google.protobuf.internal import _parameterized
 
 from google.protobuf import unittest_mset_pb2
@@ -47,7 +47,7 @@ from google.protobuf.internal import test_util
 from google.protobuf import text_format
 
 # Base class with some common functionality.
-class TextFormatBase(basetest.TestCase):
+class TextFormatBase(unittest.TestCase):
 
   def ReadGolden(self, golden_filename):
     with test_util.GoldenFile(golden_filename) as f:
@@ -312,12 +312,12 @@ class TextFormatTest(TextFormatBase):
   def testParseGroupNotClosed(self, message_module):
     message = message_module.TestAllTypes()
     text = 'RepeatedGroup: <'
-    self.assertRaisesWithLiteralMatch(
+    self.assertRaisesRegexp(
         text_format.ParseError, '1:16 : Expected ">".',
         text_format.Parse, text, message)
 
     text = 'RepeatedGroup: {'
-    self.assertRaisesWithLiteralMatch(
+    self.assertRaisesRegexp(
         text_format.ParseError, '1:16 : Expected "}".',
         text_format.Parse, text, message)
 
@@ -354,7 +354,7 @@ class TextFormatTest(TextFormatBase):
   def testParseBadIntValue(self, message_module):
     message = message_module.TestAllTypes()
     text = 'optional_int32: bork'
-    self.assertRaisesWithLiteralMatch(
+    self.assertRaisesRegexp(
         text_format.ParseError,
         ('1:17 : Couldn\'t parse integer: bork'),
         text_format.Parse, text, message)
@@ -569,12 +569,12 @@ class Proto2Tests(TextFormatBase):
   def testParseBadExtension(self):
     message = unittest_pb2.TestAllExtensions()
     text = '[unknown_extension]: 8\n'
-    self.assertRaisesWithLiteralMatch(
+    self.assertRaisesRegexp(
         text_format.ParseError,
         '1:2 : Extension "unknown_extension" not registered.',
         text_format.Parse, text, message)
     message = unittest_pb2.TestAllTypes()
-    self.assertRaisesWithLiteralMatch(
+    self.assertRaisesRegexp(
         text_format.ParseError,
         ('1:2 : Message type "protobuf_unittest.TestAllTypes" does not have '
          'extensions.'),
@@ -593,7 +593,7 @@ class Proto2Tests(TextFormatBase):
     message = unittest_pb2.TestAllExtensions()
     text = ('[protobuf_unittest.optional_int32_extension]: 42 '
             '[protobuf_unittest.optional_int32_extension]: 67')
-    self.assertRaisesWithLiteralMatch(
+    self.assertRaisesRegexp(
         text_format.ParseError,
         ('1:96 : Message type "protobuf_unittest.TestAllExtensions" '
          'should not have multiple '
@@ -604,7 +604,7 @@ class Proto2Tests(TextFormatBase):
     message = unittest_pb2.TestAllTypes()
     text = ('optional_nested_message { bb: 1 } '
             'optional_nested_message { bb: 2 }')
-    self.assertRaisesWithLiteralMatch(
+    self.assertRaisesRegexp(
         text_format.ParseError,
         ('1:65 : Message type "protobuf_unittest.TestAllTypes.NestedMessage" '
          'should not have multiple "bb" fields.'),
@@ -614,14 +614,14 @@ class Proto2Tests(TextFormatBase):
     message = unittest_pb2.TestAllTypes()
     text = ('optional_int32: 42 '
             'optional_int32: 67')
-    self.assertRaisesWithLiteralMatch(
+    self.assertRaisesRegexp(
         text_format.ParseError,
         ('1:36 : Message type "protobuf_unittest.TestAllTypes" should not '
          'have multiple "optional_int32" fields.'),
         text_format.Parse, text, message)
 
 
-class TokenizerTest(basetest.TestCase):
+class TokenizerTest(unittest.TestCase):
 
   def testSimpleTokenCases(self):
     text = ('identifier1:"string1"\n     \n\n'
@@ -766,4 +766,4 @@ class TokenizerTest(basetest.TestCase):
 
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/unknown_fields_test.py

@@ -35,7 +35,8 @@
 
 __author__ = 'bohdank@google.com (Bohdan Koval)'
 
-from google.apputils import basetest
+import unittest
+
 from google.protobuf import unittest_mset_pb2
 from google.protobuf import unittest_pb2
 from google.protobuf import unittest_proto3_arena_pb2
@@ -46,7 +47,7 @@ from google.protobuf.internal import test_util
 from google.protobuf.internal import type_checkers
 
 
-class UnknownFieldsTest(basetest.TestCase):
+class UnknownFieldsTest(unittest.TestCase):
 
   def setUp(self):
     self.descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR
@@ -104,7 +105,7 @@ class UnknownFieldsTest(basetest.TestCase):
   # fields when checking equality.
   #
   # TODO(haberman): fix this.
-  @basetest.unittest.skipIf(
+  @unittest.skipIf(
       api_implementation.Type() == 'cpp' and api_implementation.Version() == 2,
       'C++ implementation does not expose unknown fields to Python')
   def testEquals(self):
@@ -117,10 +118,10 @@ class UnknownFieldsTest(basetest.TestCase):
     self.assertNotEqual(self.empty_message, message)
 
 
-@basetest.unittest.skipIf(
+@unittest.skipIf(
     api_implementation.Type() == 'cpp' and api_implementation.Version() == 2,
     'C++ implementation does not expose unknown fields to Python')
-class UnknownFieldsAccessorsTest(basetest.TestCase):
+class UnknownFieldsAccessorsTest(unittest.TestCase):
 
   def setUp(self):
     self.descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR
@@ -205,10 +206,10 @@ class UnknownFieldsAccessorsTest(basetest.TestCase):
 
 
 
-@basetest.unittest.skipIf(
+@unittest.skipIf(
     api_implementation.Type() == 'cpp' and api_implementation.Version() == 2,
     'C++ implementation does not expose unknown fields to Python')
-class UnknownEnumValuesTest(basetest.TestCase):
+class UnknownEnumValuesTest(unittest.TestCase):
 
   def setUp(self):
     self.descriptor = missing_enum_values_pb2.TestEnumValues.DESCRIPTOR
@@ -261,4 +262,4 @@ class UnknownEnumValuesTest(basetest.TestCase):
 
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/google/protobuf/internal/wire_format_test.py

@@ -34,12 +34,13 @@
 
 __author__ = 'robinson@google.com (Will Robinson)'
 
-from google.apputils import basetest
+import unittest
+
 from google.protobuf import message
 from google.protobuf.internal import wire_format
 
 
-class WireFormatTest(basetest.TestCase):
+class WireFormatTest(unittest.TestCase):
 
   def testPackTag(self):
     field_number = 0xabc
@@ -250,4 +251,4 @@ class WireFormatTest(basetest.TestCase):
 
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()

python/setup.py

@@ -165,7 +165,7 @@ if __name__ == '__main__':
         version = GetVersion(),
         packages = [ 'google' ],
         namespace_packages = [ 'google' ],
-        google_test_dir = "google/protobuf/internal",
+        test_suite = 'google.protobuf.internal',
         # Must list modules explicitly so that we don't install tests.
         py_modules = [
           'google.protobuf.internal.api_implementation',
@@ -194,11 +194,6 @@ if __name__ == '__main__':
           'google.protobuf.text_format'],
         cmdclass = { 'clean': clean, 'build_py': build_py },
         install_requires = ['setuptools'],
-        # TODO: Restore dependency once a Python 3 compatible google-apputils
-        # is released.
-        setup_requires = (['google-apputils']
-                          if sys.version_info[0] < 3 else
-                          []),
         ext_modules = ext_module_list,
         url = 'https://developers.google.com/protocol-buffers/',
         maintainer = maintainer_email,

src/google/protobuf/arena_nc_test.py

@@ -32,11 +32,12 @@
 
 """Negative compilation unit tests for arena API."""
 
+import unittest
+
 from google3.testing.pybase import fake_target_util
-from google.apputils import basetest
 
 
-class ArenaNcTest(basetest.TestCase):
+class ArenaNcTest(unittest.TestCase):
 
   def testCompilerErrors(self):
     """Runs a list of tests to verify compiler error messages."""
@@ -56,4 +57,4 @@ class ArenaNcTest(basetest.TestCase):
         )
 
 if __name__ == '__main__':
-  basetest.main()
+  unittest.main()