1 // Copyright (C) 2019 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // EqualsProto is only available in google3 version of protobuf for Messages. 16 // This compat-header provides a simple EqualsProto matcher for MessageLite 17 // in the non-google3 version of protobufs, and includes the existing 18 // EqualsProto matcher in the google3 version, based on the build flags. 19 20 #ifndef ICING_PORTABLE_EQUALS_PROTO_H_ 21 #define ICING_PORTABLE_EQUALS_PROTO_H_ 22 23 #include "gmock/gmock.h" // IWYU pragma: export 24 #include <google/protobuf/message_lite.h> // IWYU pragma: export 25 26 #if defined(__ANDROID__) || defined(__APPLE__) 27 namespace icing { 28 namespace lib { 29 namespace portable_equals_proto { 30 // We need this matcher because MessageLite does not support reflection. 31 // Hence, there is no better way to compare two protos of an arbitrary type. 32 // This matcher enables comparing non-google3 protos on, e.g., Android, with 33 // a known caveat that it is unable to provide detailed difference information. 34 MATCHER_P(EqualsProto, other, "Compare MessageLite by serialized string") { 35 return ::testing::ExplainMatchResult(::testing::Eq(other.SerializeAsString()), 36 arg.SerializeAsString(), 37 result_listener); 38 } // MATCHER_P 39 } // namespace portable_equals_proto 40 } // namespace lib 41 } // namespace icing 42 #else 43 namespace icing { 44 namespace lib { 45 namespace portable_equals_proto { 46 // Leverage the powerful google3 matcher when available, for human readable 47 // differences. 48 using ::testing::EqualsProto; 49 } // namespace portable_equals_proto 50 } // namespace lib 51 } // namespace icing 52 #endif // defined(__ANDROID__) || defined(__APPLE__) 53 54 #endif // ICING_PORTABLE_EQUALS_PROTO_H_ 55