91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef MEDIAPIPE_DEPS_MESSAGE_MATCHERS_H_
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#define MEDIAPIPE_DEPS_MESSAGE_MATCHERS_H_
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#include <memory>
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#include "gmock/gmock.h"
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#include "mediapipe/framework/port/core_proto_inc.h"
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namespace mediapipe {
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class ProtoMatcher {
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public:
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using is_gtest_matcher = void;
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using MessageType = proto_ns::MessageLite;
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explicit ProtoMatcher(const MessageType& message)
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: message_(CloneMessage(message)) {}
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bool MatchAndExplain(const MessageType& m,
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testing::MatchResultListener*) const {
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return EqualsMessage(*message_, m);
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}
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bool MatchAndExplain(const MessageType* m,
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testing::MatchResultListener*) const {
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return EqualsMessage(*message_, *m);
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}
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void DescribeTo(std::ostream* os) const {
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*os << "has the same serialization as " << ExpectedMessageDescription();
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}
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void DescribeNegationTo(std::ostream* os) const {
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*os << "does not have the same serialization as "
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<< ExpectedMessageDescription();
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}
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private:
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std::unique_ptr<MessageType> CloneMessage(const MessageType& message) {
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std::unique_ptr<MessageType> clone(message.New());
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clone->CheckTypeAndMergeFrom(message);
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return clone;
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}
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bool EqualsMessage(const proto_ns::MessageLite& m_1,
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const proto_ns::MessageLite& m_2) const {
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std::string s_1, s_2;
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m_1.SerializeToString(&s_1);
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m_2.SerializeToString(&s_2);
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return s_1 == s_2;
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}
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std::string ExpectedMessageDescription() const {
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#if defined(MEDIAPIPE_PROTO_LITE)
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return "the expected message";
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#else
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return message_->DebugString();
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#endif
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}
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const std::shared_ptr<MessageType> message_;
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};
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inline ProtoMatcher EqualsProto(const proto_ns::MessageLite& message) {
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return ProtoMatcher(message);
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}
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// for Pointwise
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MATCHER(EqualsProto, "") {
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const auto& a = ::testing::get<0>(arg);
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const auto& b = ::testing::get<1>(arg);
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return ::testing::ExplainMatchResult(EqualsProto(b), a, result_listener);
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}
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} // namespace mediapipe
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#endif // MEDIAPIPE_DEPS_MESSAGE_MATCHERS_H_
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