osrm-backend/unit_tests/library/nearest.cpp
2017-03-21 20:10:39 +00:00

112 lines
3.3 KiB
C++

#include <boost/test/test_case_template.hpp>
#include <boost/test/unit_test.hpp>
#include "coordinates.hpp"
#include "fixture.hpp"
#include "osrm/nearest_parameters.hpp"
#include "osrm/coordinate.hpp"
#include "osrm/engine_config.hpp"
#include "osrm/json_container.hpp"
#include "osrm/osrm.hpp"
#include "osrm/status.hpp"
BOOST_AUTO_TEST_SUITE(nearest)
BOOST_AUTO_TEST_CASE(test_nearest_response)
{
auto osrm = getOSRM(OSRM_TEST_DATA_DIR "/ch/monaco.osrm");
using namespace osrm;
NearestParameters params;
params.coordinates.push_back(get_dummy_location());
json::Object result;
const auto rc = osrm.Nearest(params, result);
BOOST_REQUIRE(rc == Status::Ok);
const auto code = result.values.at("code").get<json::String>().value;
BOOST_CHECK_EQUAL(code, "Ok");
const auto &waypoints = result.values.at("waypoints").get<json::Array>().values;
BOOST_CHECK(!waypoints.empty()); // the dataset has at least one nearest coordinate
for (const auto &waypoint : waypoints)
{
const auto &waypoint_object = waypoint.get<json::Object>();
const auto distance = waypoint_object.values.at("distance").get<json::Number>().value;
BOOST_CHECK(distance >= 0);
}
}
BOOST_AUTO_TEST_CASE(test_nearest_response_no_coordinates)
{
auto osrm = getOSRM(OSRM_TEST_DATA_DIR "/ch/monaco.osrm");
using namespace osrm;
NearestParameters params;
json::Object result;
const auto rc = osrm.Nearest(params, result);
BOOST_REQUIRE(rc == Status::Error);
const auto code = result.values.at("code").get<json::String>().value;
BOOST_CHECK_EQUAL(code, "InvalidOptions");
}
BOOST_AUTO_TEST_CASE(test_nearest_response_multiple_coordinates)
{
auto osrm = getOSRM(OSRM_TEST_DATA_DIR "/ch/monaco.osrm");
using namespace osrm;
NearestParameters params;
params.coordinates.push_back(get_dummy_location());
params.coordinates.push_back(get_dummy_location());
json::Object result;
const auto rc = osrm.Nearest(params, result);
BOOST_REQUIRE(rc == Status::Error);
const auto code = result.values.at("code").get<json::String>().value;
BOOST_CHECK_EQUAL(code, "InvalidOptions");
}
BOOST_AUTO_TEST_CASE(test_nearest_response_for_location_in_small_component)
{
auto osrm = getOSRM(OSRM_TEST_DATA_DIR "/ch/monaco.osrm");
using namespace osrm;
const auto locations = get_locations_in_small_component();
NearestParameters params;
params.coordinates.push_back(locations.at(0));
params.number_of_results = 3;
json::Object result;
const auto rc = osrm.Nearest(params, result);
BOOST_REQUIRE(rc == Status::Ok);
const auto code = result.values.at("code").get<json::String>().value;
BOOST_CHECK_EQUAL(code, "Ok");
const auto &waypoints = result.values.at("waypoints").get<json::Array>().values;
BOOST_CHECK(!waypoints.empty());
for (const auto &waypoint : waypoints)
{
const auto &waypoint_object = waypoint.get<json::Object>();
// Everything within ~20m (actually more) is still in small component.
// Nearest service should snap to road network without considering components.
const auto distance = waypoint_object.values.at("distance").get<json::Number>().value;
BOOST_CHECK_LT(distance, 20);
}
}
BOOST_AUTO_TEST_SUITE_END()