diff options
Diffstat (limited to 'src/python/grpcio_tests/tests/protoc_plugin/_split_definitions_test.py')
| -rw-r--r-- | src/python/grpcio_tests/tests/protoc_plugin/_split_definitions_test.py | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/src/python/grpcio_tests/tests/protoc_plugin/_split_definitions_test.py b/src/python/grpcio_tests/tests/protoc_plugin/_split_definitions_test.py new file mode 100644 index 0000000000..f8ae05bb7a --- /dev/null +++ b/src/python/grpcio_tests/tests/protoc_plugin/_split_definitions_test.py @@ -0,0 +1,304 @@ +# Copyright 2016, Google Inc. +# All rights reserved. +# +# 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. + +import collections +from concurrent import futures +import contextlib +import distutils.spawn +import errno +import importlib +import os +import os.path +import pkgutil +import shutil +import subprocess +import sys +import tempfile +import threading +import unittest + +import grpc +from grpc_tools import protoc +from tests.unit.framework.common import test_constants + +_MESSAGES_IMPORT = b'import "messages.proto";' + +@contextlib.contextmanager +def _system_path(path): + old_system_path = sys.path[:] + sys.path = sys.path[0:1] + path + sys.path[1:] + yield + sys.path = old_system_path + + +class DummySplitServicer(object): + + def __init__(self, request_class, response_class): + self.request_class = request_class + self.response_class = response_class + + def Call(self, request, context): + return self.response_class() + + +class SeparateTestMixin(object): + + def testImportAttributes(self): + with _system_path([self.python_out_directory]): + pb2 = importlib.import_module(self.pb2_import) + pb2.Request + pb2.Response + if self.should_find_services_in_pb2: + pb2.TestServiceServicer + else: + with self.assertRaises(AttributeError): + pb2.TestServiceServicer + + with _system_path([self.grpc_python_out_directory]): + pb2_grpc = importlib.import_module(self.pb2_grpc_import) + pb2_grpc.TestServiceServicer + with self.assertRaises(AttributeError): + pb2_grpc.Request + with self.assertRaises(AttributeError): + pb2_grpc.Response + + def testCall(self): + with _system_path([self.python_out_directory]): + pb2 = importlib.import_module(self.pb2_import) + with _system_path([self.grpc_python_out_directory]): + pb2_grpc = importlib.import_module(self.pb2_grpc_import) + server = grpc.server( + futures.ThreadPoolExecutor(max_workers=test_constants.POOL_SIZE)) + pb2_grpc.add_TestServiceServicer_to_server( + DummySplitServicer( + pb2.Request, pb2.Response), server) + port = server.add_insecure_port('[::]:0') + server.start() + channel = grpc.insecure_channel('localhost:{}'.format(port)) + stub = pb2_grpc.TestServiceStub(channel) + request = pb2.Request() + expected_response = pb2.Response() + response = stub.Call(request) + self.assertEqual(expected_response, response) + + +class CommonTestMixin(object): + + def testImportAttributes(self): + with _system_path([self.python_out_directory]): + pb2 = importlib.import_module(self.pb2_import) + pb2.Request + pb2.Response + if self.should_find_services_in_pb2: + pb2.TestServiceServicer + else: + with self.assertRaises(AttributeError): + pb2.TestServiceServicer + + with _system_path([self.grpc_python_out_directory]): + pb2_grpc = importlib.import_module(self.pb2_grpc_import) + pb2_grpc.TestServiceServicer + with self.assertRaises(AttributeError): + pb2_grpc.Request + with self.assertRaises(AttributeError): + pb2_grpc.Response + + def testCall(self): + with _system_path([self.python_out_directory]): + pb2 = importlib.import_module(self.pb2_import) + with _system_path([self.grpc_python_out_directory]): + pb2_grpc = importlib.import_module(self.pb2_grpc_import) + server = grpc.server( + futures.ThreadPoolExecutor(max_workers=test_constants.POOL_SIZE)) + pb2_grpc.add_TestServiceServicer_to_server( + DummySplitServicer( + pb2.Request, pb2.Response), server) + port = server.add_insecure_port('[::]:0') + server.start() + channel = grpc.insecure_channel('localhost:{}'.format(port)) + stub = pb2_grpc.TestServiceStub(channel) + request = pb2.Request() + expected_response = pb2.Response() + response = stub.Call(request) + self.assertEqual(expected_response, response) + + +class SameSeparateTest(unittest.TestCase, SeparateTestMixin): + + def setUp(self): + same_proto_contents = pkgutil.get_data( + 'tests.protoc_plugin.protos.invocation_testing', 'same.proto') + self.directory = tempfile.mkdtemp(suffix='same_separate', dir='.') + self.proto_directory = os.path.join(self.directory, 'proto_path') + self.python_out_directory = os.path.join(self.directory, 'python_out') + self.grpc_python_out_directory = os.path.join(self.directory, 'grpc_python_out') + os.makedirs(self.proto_directory) + os.makedirs(self.python_out_directory) + os.makedirs(self.grpc_python_out_directory) + same_proto_file = os.path.join(self.proto_directory, 'same_separate.proto') + open(same_proto_file, 'wb').write(same_proto_contents) + protoc_result = protoc.main([ + '', + '--proto_path={}'.format(self.proto_directory), + '--python_out={}'.format(self.python_out_directory), + '--grpc_python_out=grpc_2_0:{}'.format(self.grpc_python_out_directory), + same_proto_file, + ]) + if protoc_result != 0: + raise Exception("unexpected protoc error") + open(os.path.join(self.grpc_python_out_directory, '__init__.py'), 'w').write('') + open(os.path.join(self.python_out_directory, '__init__.py'), 'w').write('') + self.pb2_import = 'same_separate_pb2' + self.pb2_grpc_import = 'same_separate_pb2_grpc' + self.should_find_services_in_pb2 = False + + def tearDown(self): + shutil.rmtree(self.directory) + + +class SameCommonTest(unittest.TestCase, CommonTestMixin): + + def setUp(self): + same_proto_contents = pkgutil.get_data( + 'tests.protoc_plugin.protos.invocation_testing', 'same.proto') + self.directory = tempfile.mkdtemp(suffix='same_common', dir='.') + self.proto_directory = os.path.join(self.directory, 'proto_path') + self.python_out_directory = os.path.join(self.directory, 'python_out') + self.grpc_python_out_directory = self.python_out_directory + os.makedirs(self.proto_directory) + os.makedirs(self.python_out_directory) + same_proto_file = os.path.join(self.proto_directory, 'same_common.proto') + open(same_proto_file, 'wb').write(same_proto_contents) + protoc_result = protoc.main([ + '', + '--proto_path={}'.format(self.proto_directory), + '--python_out={}'.format(self.python_out_directory), + '--grpc_python_out={}'.format(self.grpc_python_out_directory), + same_proto_file, + ]) + if protoc_result != 0: + raise Exception("unexpected protoc error") + open(os.path.join(self.python_out_directory, '__init__.py'), 'w').write('') + self.pb2_import = 'same_common_pb2' + self.pb2_grpc_import = 'same_common_pb2_grpc' + self.should_find_services_in_pb2 = True + + def tearDown(self): + shutil.rmtree(self.directory) + + +class SplitCommonTest(unittest.TestCase, CommonTestMixin): + + def setUp(self): + services_proto_contents = pkgutil.get_data( + 'tests.protoc_plugin.protos.invocation_testing.split_services', + 'services.proto') + messages_proto_contents = pkgutil.get_data( + 'tests.protoc_plugin.protos.invocation_testing.split_messages', + 'messages.proto') + self.directory = tempfile.mkdtemp(suffix='split_common', dir='.') + self.proto_directory = os.path.join(self.directory, 'proto_path') + self.python_out_directory = os.path.join(self.directory, 'python_out') + self.grpc_python_out_directory = self.python_out_directory + os.makedirs(self.proto_directory) + os.makedirs(self.python_out_directory) + services_proto_file = os.path.join(self.proto_directory, + 'split_common_services.proto') + messages_proto_file = os.path.join(self.proto_directory, + 'split_common_messages.proto') + open(services_proto_file, 'wb').write(services_proto_contents.replace( + _MESSAGES_IMPORT, + b'import "split_common_messages.proto";' + )) + open(messages_proto_file, 'wb').write(messages_proto_contents) + protoc_result = protoc.main([ + '', + '--proto_path={}'.format(self.proto_directory), + '--python_out={}'.format(self.python_out_directory), + '--grpc_python_out={}'.format(self.grpc_python_out_directory), + services_proto_file, + messages_proto_file, + ]) + if protoc_result != 0: + raise Exception("unexpected protoc error") + open(os.path.join(self.python_out_directory, '__init__.py'), 'w').write('') + self.pb2_import = 'split_common_messages_pb2' + self.pb2_grpc_import = 'split_common_services_pb2_grpc' + self.should_find_services_in_pb2 = False + + def tearDown(self): + shutil.rmtree(self.directory) + + +class SplitSeparateTest(unittest.TestCase, SeparateTestMixin): + + def setUp(self): + services_proto_contents = pkgutil.get_data( + 'tests.protoc_plugin.protos.invocation_testing.split_services', + 'services.proto') + messages_proto_contents = pkgutil.get_data( + 'tests.protoc_plugin.protos.invocation_testing.split_messages', + 'messages.proto') + self.directory = tempfile.mkdtemp(suffix='split_separate', dir='.') + self.proto_directory = os.path.join(self.directory, 'proto_path') + self.python_out_directory = os.path.join(self.directory, 'python_out') + self.grpc_python_out_directory = os.path.join(self.directory, 'grpc_python_out') + os.makedirs(self.proto_directory) + os.makedirs(self.python_out_directory) + os.makedirs(self.grpc_python_out_directory) + services_proto_file = os.path.join(self.proto_directory, + 'split_separate_services.proto') + messages_proto_file = os.path.join(self.proto_directory, + 'split_separate_messages.proto') + open(services_proto_file, 'wb').write(services_proto_contents.replace( + _MESSAGES_IMPORT, + b'import "split_separate_messages.proto";' + )) + open(messages_proto_file, 'wb').write(messages_proto_contents) + protoc_result = protoc.main([ + '', + '--proto_path={}'.format(self.proto_directory), + '--python_out={}'.format(self.python_out_directory), + '--grpc_python_out=grpc_2_0:{}'.format(self.grpc_python_out_directory), + services_proto_file, + messages_proto_file, + ]) + if protoc_result != 0: + raise Exception("unexpected protoc error") + open(os.path.join(self.python_out_directory, '__init__.py'), 'w').write('') + self.pb2_import = 'split_separate_messages_pb2' + self.pb2_grpc_import = 'split_separate_services_pb2_grpc' + self.should_find_services_in_pb2 = False + + def tearDown(self): + shutil.rmtree(self.directory) + + +if __name__ == '__main__': + unittest.main(verbosity=2) |