Sematic-Cartographer/cartographer-master/cartographer/io/proto_stream_deserializer_t...

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/*
* Copyright 2018 The Cartographer Authors
*
* 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.
*/
#include "cartographer/io/proto_stream_deserializer.h"
#include <memory>
#include "cartographer/io/internal/in_memory_proto_stream.h"
#include "cartographer/io/internal/testing/test_helpers.h"
#include "glog/logging.h"
#include "gmock/gmock.h"
#include "google/protobuf/text_format.h"
#include "google/protobuf/util/message_differencer.h"
#include "gtest/gtest.h"
namespace cartographer {
namespace io {
namespace {
using ::cartographer::io::testing::ProtoFromStringOrDie;
using ::cartographer::io::testing::ProtoReaderFromStrings;
using ::cartographer::mapping::proto::SerializationHeader;
using ::cartographer::mapping::proto::SerializedData;
using ::google::protobuf::Message;
using ::google::protobuf::util::MessageDifferencer;
using ::testing::Eq;
using ::testing::Not;
constexpr char kSerializationHeaderProtoString[] = "format_version: 1";
constexpr char kUnsupportedSerializationHeaderProtoString[] =
"format_version: 123";
constexpr char kPoseGraphProtoString[] = "pose_graph {}";
constexpr char kAllTrajectoryBuilderOptionsProtoString[] =
"all_trajectory_builder_options {}";
constexpr char kSubmapProtoString[] = "submap {}";
constexpr char kNodeProtoString[] = "node {}";
constexpr char kTrajectoryDataProtoString[] = "trajectory_data {}";
constexpr char kImuDataProtoString[] = "imu_data {}";
constexpr char kOdometryDataProtoString[] = "odometry_data {}";
constexpr char kFixedFramePoseDataProtoString[] = "fixed_frame_pose_data {}";
constexpr char kLandmarkDataProtoString[] = "landmark_data {}";
class ProtoStreamDeserializerTest : public ::testing::Test {
protected:
std::unique_ptr<InMemoryProtoStreamReader> reader_;
};
// This test checks if the serialization works.
TEST_F(ProtoStreamDeserializerTest, WorksOnGoldenTextStream) {
// Load text proto into in_memory_reader.
reader_ = ProtoReaderFromStrings(kSerializationHeaderProtoString,
{
kPoseGraphProtoString,
kAllTrajectoryBuilderOptionsProtoString,
kSubmapProtoString,
kNodeProtoString,
kTrajectoryDataProtoString,
kImuDataProtoString,
kOdometryDataProtoString,
kFixedFramePoseDataProtoString,
kLandmarkDataProtoString,
});
io::ProtoStreamDeserializer deserializer(reader_.get());
EXPECT_TRUE(MessageDifferencer::Equals(
deserializer.header(), ProtoFromStringOrDie<SerializationHeader>(
kSerializationHeaderProtoString)));
EXPECT_TRUE(MessageDifferencer::Equals(
deserializer.pose_graph(),
ProtoFromStringOrDie<SerializedData>(kPoseGraphProtoString)
.pose_graph()));
EXPECT_TRUE(
MessageDifferencer::Equals(deserializer.all_trajectory_builder_options(),
ProtoFromStringOrDie<SerializedData>(
kAllTrajectoryBuilderOptionsProtoString)
.all_trajectory_builder_options()));
SerializedData serialized_data;
EXPECT_TRUE(deserializer.ReadNextSerializedData(&serialized_data));
// TODO(sebastianklose): Add matcher for protos in common place and use here.
EXPECT_TRUE(MessageDifferencer::Equals(
serialized_data,
ProtoFromStringOrDie<SerializedData>(kSubmapProtoString)));
EXPECT_TRUE(deserializer.ReadNextSerializedData(&serialized_data));
EXPECT_TRUE(MessageDifferencer::Equals(
serialized_data, ProtoFromStringOrDie<SerializedData>(kNodeProtoString)));
EXPECT_TRUE(deserializer.ReadNextSerializedData(&serialized_data));
EXPECT_TRUE(MessageDifferencer::Equals(
serialized_data,
ProtoFromStringOrDie<SerializedData>(kTrajectoryDataProtoString)));
EXPECT_TRUE(deserializer.ReadNextSerializedData(&serialized_data));
EXPECT_TRUE(MessageDifferencer::Equals(
serialized_data,
ProtoFromStringOrDie<SerializedData>(kImuDataProtoString)));
EXPECT_TRUE(deserializer.ReadNextSerializedData(&serialized_data));
EXPECT_TRUE(MessageDifferencer::Equals(
serialized_data,
ProtoFromStringOrDie<SerializedData>(kOdometryDataProtoString)));
EXPECT_TRUE(deserializer.ReadNextSerializedData(&serialized_data));
EXPECT_TRUE(MessageDifferencer::Equals(
serialized_data,
ProtoFromStringOrDie<SerializedData>(kFixedFramePoseDataProtoString)));
EXPECT_TRUE(deserializer.ReadNextSerializedData(&serialized_data));
EXPECT_TRUE(MessageDifferencer::Equals(
serialized_data,
ProtoFromStringOrDie<SerializedData>(kLandmarkDataProtoString)));
EXPECT_FALSE(deserializer.ReadNextSerializedData(&serialized_data));
EXPECT_TRUE(reader_->eof());
}
TEST_F(ProtoStreamDeserializerTest, FailsIfVersionNotSupported) {
reader_ =
ProtoReaderFromStrings(kUnsupportedSerializationHeaderProtoString, {});
EXPECT_DEATH(absl::make_unique<ProtoStreamDeserializer>(reader_.get()),
"Unsupported serialization format");
}
} // namespace
} // namespace io
} // namespace cartographer