cartographer/cartographer/sensor/trajectory_collator_test.cc

122 lines
4.5 KiB
C++

/*
* 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/sensor/trajectory_collator.h"
#include <array>
#include <memory>
#include "cartographer/common/make_unique.h"
#include "cartographer/common/time.h"
#include "cartographer/sensor/imu_data.h"
#include "cartographer/sensor/odometry_data.h"
#include "cartographer/sensor/test_helpers.h"
#include "cartographer/sensor/timed_point_cloud_data.h"
#include "gtest/gtest.h"
namespace cartographer {
namespace sensor {
namespace {
using test::CollatorInput;
using test::CollatorOutput;
TEST(TrajectoryCollator, OrderingMultipleTrajectories) {
const int kTrajectoryId[] = {4, 7};
const std::array<std::string, 2> kSensorId = {{"my_points", "some_imu"}};
std::vector<CollatorInput> input_data;
input_data.push_back(CollatorInput::CreateTimedPointCloudData(
kTrajectoryId[0], kSensorId[0], 0));
input_data.push_back(CollatorInput::CreateTimedPointCloudData(
kTrajectoryId[1], kSensorId[0], 0));
input_data.push_back(
CollatorInput::CreateImuData(kTrajectoryId[1], kSensorId[1], 0));
input_data.push_back(
CollatorInput::CreateImuData(kTrajectoryId[0], kSensorId[1], 0));
input_data.push_back(CollatorInput::CreateTimedPointCloudData(
kTrajectoryId[1], kSensorId[0], 100));
input_data.push_back(CollatorInput::CreateTimedPointCloudData(
kTrajectoryId[0], kSensorId[0], 50));
input_data.push_back(
CollatorInput::CreateImuData(kTrajectoryId[0], kSensorId[1], 60));
input_data.push_back(CollatorInput::CreateTimedPointCloudData(
kTrajectoryId[1], kSensorId[0], 150));
input_data.push_back(
CollatorInput::CreateImuData(kTrajectoryId[1], kSensorId[1], 120));
std::vector<CollatorOutput> received;
TrajectoryCollator collator;
collator.AddTrajectory(
kTrajectoryId[0],
std::unordered_set<std::string>(kSensorId.begin(), kSensorId.end()),
[&received, kTrajectoryId](const std::string& sensor_id,
std::unique_ptr<Data> data) {
received.push_back(CollatorOutput(kTrajectoryId[0], data->GetSensorId(),
data->GetTime()));
});
collator.AddTrajectory(
kTrajectoryId[1],
std::unordered_set<std::string>(kSensorId.begin(), kSensorId.end()),
[&received, kTrajectoryId](const std::string& sensor_id,
std::unique_ptr<Data> data) {
received.push_back(CollatorOutput(kTrajectoryId[1], data->GetSensorId(),
data->GetTime()));
});
// Send each sensor_id once to establish a common start time.
input_data[0].MoveToCollator(&collator);
input_data[1].MoveToCollator(&collator);
EXPECT_EQ(0, received.size());
input_data[2].MoveToCollator(&collator);
input_data[3].MoveToCollator(&collator);
EXPECT_EQ(2, received.size());
EXPECT_EQ(input_data[1].expected_output, received[0]);
EXPECT_EQ(input_data[0].expected_output, received[1]);
// Does not wait for other trajectory.
input_data[4].MoveToCollator(&collator);
EXPECT_EQ(3, received.size());
EXPECT_EQ(input_data[2].expected_output, received[2]);
input_data[5].MoveToCollator(&collator);
EXPECT_EQ(4, received.size());
EXPECT_EQ(input_data[3].expected_output, received[3]);
input_data[6].MoveToCollator(&collator);
EXPECT_EQ(5, received.size());
EXPECT_EQ(input_data[5].expected_output, received[4]);
// Sorts different sensors.
input_data[7].MoveToCollator(&collator);
EXPECT_EQ(5, received.size());
input_data[8].MoveToCollator(&collator);
EXPECT_EQ(7, received.size());
EXPECT_EQ(input_data[4].expected_output, received[5]);
EXPECT_EQ(input_data[8].expected_output, received[6]);
EXPECT_FALSE(collator.GetBlockingTrajectoryId().has_value());
collator.FinishTrajectory(kTrajectoryId[0]);
collator.FinishTrajectory(kTrajectoryId[1]);
collator.Flush();
ASSERT_EQ(input_data.size(), received.size());
}
} // namespace
} // namespace sensor
} // namespace cartographer