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refactor: copy IsProtoEqual from spanner (#179)
Create a new library to host common testing utilities that depend on Protobuf, as the GCS library does not depend on protobuf and we do not want to depend on protobuf for its tests.
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25 changes: 25 additions & 0 deletions
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google/cloud/testing_util/google_cloud_cpp_testing_grpc.bzl
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| # Copyright 2020 Google LLC | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
| # DO NOT EDIT -- GENERATED BY CMake -- Change the CMakeLists.txt file if needed | ||
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| """Automatically generated source lists for google_cloud_cpp_testing_grpc - DO NOT EDIT.""" | ||
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| google_cloud_cpp_testing_grpc_hdrs = [ | ||
| "is_proto_equal.h", | ||
| ] | ||
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| google_cloud_cpp_testing_grpc_srcs = [ | ||
| "is_proto_equal.cc", | ||
| ] |
21 changes: 21 additions & 0 deletions
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google/cloud/testing_util/google_cloud_cpp_testing_grpc_unit_tests.bzl
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| # Copyright 2020 Google LLC | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
| # DO NOT EDIT -- GENERATED BY CMake -- Change the CMakeLists.txt file if needed | ||
|
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| """Automatically generated unit tests list - DO NOT EDIT.""" | ||
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| google_cloud_cpp_testing_grpc_unit_tests = [ | ||
| "is_proto_equal_test.cc", | ||
| ] |
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| // Copyright 2020 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| #include "google/cloud/testing_util/is_proto_equal.h" | ||
| #include <google/protobuf/util/message_differencer.h> | ||
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| namespace google { | ||
| namespace cloud { | ||
| inline namespace GOOGLE_CLOUD_CPP_NS { | ||
| namespace testing_util { | ||
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| optional<std::string> CompareProtos(google::protobuf::Message const& arg, | ||
| google::protobuf::Message const& value) { | ||
| std::string delta; | ||
| google::protobuf::util::MessageDifferencer differencer; | ||
| differencer.ReportDifferencesToString(&delta); | ||
| auto const result = differencer.Compare(arg, value); | ||
| if (result) return {}; | ||
| return delta; | ||
| } | ||
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| } // namespace testing_util | ||
| } // namespace GOOGLE_CLOUD_CPP_NS | ||
| } // namespace cloud | ||
| } // namespace google |
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| // Copyright 2020 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| #ifndef GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_TESTING_UTIL_IS_PROTO_EQUAL_H | ||
| #define GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_TESTING_UTIL_IS_PROTO_EQUAL_H | ||
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| #include "google/cloud/optional.h" | ||
| #include "google/cloud/version.h" | ||
| #include <google/protobuf/message.h> | ||
| #include <gmock/gmock.h> | ||
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| namespace google { | ||
| namespace cloud { | ||
| inline namespace GOOGLE_CLOUD_CPP_NS { | ||
| namespace testing_util { | ||
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| optional<std::string> CompareProtos(google::protobuf::Message const& arg, | ||
| google::protobuf::Message const& value); | ||
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| MATCHER_P(IsProtoEqual, value, "Checks whether protos are equal") { | ||
| optional<std::string> delta = CompareProtos(arg, value); | ||
| if (delta.has_value()) { | ||
| *result_listener << "\n" << *delta; | ||
| } | ||
| return !delta.has_value(); | ||
| } | ||
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| } // namespace testing_util | ||
| } // namespace GOOGLE_CLOUD_CPP_NS | ||
| } // namespace cloud | ||
| } // namespace google | ||
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| #endif // GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_TESTING_UTIL_IS_PROTO_EQUAL_H |
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| // Copyright 2020 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| #include "google/cloud/testing_util/is_proto_equal.h" | ||
| #include <google/protobuf/wrappers.pb.h> | ||
| #include <gmock/gmock.h> | ||
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| namespace google { | ||
| namespace cloud { | ||
| inline namespace GOOGLE_CLOUD_CPP_NS { | ||
| namespace testing_util { | ||
| namespace { | ||
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| using ::testing::Not; | ||
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| TEST(IsProtoEqual, Basic) { | ||
| ::google::protobuf::StringValue actual; | ||
| actual.set_value("Hello World"); | ||
| ::google::protobuf::StringValue not_actual; | ||
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| EXPECT_THAT(actual, IsProtoEqual(actual)); | ||
| EXPECT_THAT(actual, Not(IsProtoEqual(not_actual))); | ||
| } | ||
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| } // namespace | ||
| } // namespace testing_util | ||
| } // namespace GOOGLE_CLOUD_CPP_NS | ||
| } // namespace cloud | ||
| } // namespace google |