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#include "testing/testing.hpp"
#include "indexer/cell_id.hpp"
#include "indexer/locality_index.hpp"
#include "indexer/locality_index_builder.hpp"
#include "indexer/locality_object.hpp"
#include "coding/file_container.hpp"
#include "coding/mmap_reader.hpp"
#include "coding/reader.hpp"
#include "geometry/rect2d.hpp"
#include "base/osm_id.hpp"
#include <algorithm>
#include <cstdint>
#include <set>
#include <utility>
#include <vector>
using namespace indexer;
using namespace std;
namespace
{
struct LocalityObjectVector
{
template <typename ToDo>
void ForEach(ToDo && toDo) const
{
for_each(m_objects.cbegin(), m_objects.cend(), forward<ToDo>(toDo));
}
vector<LocalityObject> m_objects;
};
template <class ObjectsVector, class Writer>
void BuildGeoObjectsIndex(ObjectsVector const & objects, Writer & writer,
string const & tmpFilePrefix)
{
auto coverLocality = [](indexer::LocalityObject const & o, int cellDepth,
uint64_t cellPenaltyArea) {
return covering::CoverGeoObject(o, cellDepth, cellPenaltyArea);
};
return covering::BuildLocalityIndex<ObjectsVector, Writer, kGeoObjectsDepthLevels>(
objects, writer, coverLocality, tmpFilePrefix);
}
using Ids = set<uint64_t>;
using RankedIds = vector<uint64_t>;
template <typename LocalityIndex>
Ids GetIds(LocalityIndex const & index, m2::RectD const & rect)
{
Ids ids;
index.ForEachInRect([&ids](osm::Id const & id) { ids.insert(id.EncodedId()); }, rect);
return ids;
};
template <typename LocalityIndex>
RankedIds GetRankedIds(LocalityIndex const & index, m2::PointD const & center,
m2::PointD const & border, uint32_t topSize)
{
RankedIds ids;
index.ForClosestToPoint([&ids](osm::Id const & id) { ids.push_back(id.EncodedId()); }, center,
MercatorBounds::DistanceOnEarth(center, border), topSize);
return ids;
};
UNIT_TEST(BuildLocalityIndexTest)
{
LocalityObjectVector objects;
objects.m_objects.resize(4);
objects.m_objects[0].SetForTests(1, m2::PointD{0, 0});
objects.m_objects[1].SetForTests(2, m2::PointD{1, 0});
objects.m_objects[2].SetForTests(3, m2::PointD{1, 1});
objects.m_objects[3].SetForTests(4, m2::PointD{0, 1});
vector<char> localityIndex;
MemWriter<vector<char>> writer(localityIndex);
BuildGeoObjectsIndex(objects, writer, "tmp");
MemReader reader(localityIndex.data(), localityIndex.size());
indexer::GeoObjectsIndex<MemReader> index(reader);
TEST_EQUAL(GetIds(index, m2::RectD{-0.5, -0.5, 0.5, 0.5}), (Ids{1}), ());
TEST_EQUAL(GetIds(index, m2::RectD{0.5, -0.5, 1.5, 1.5}), (Ids{2, 3}), ());
TEST_EQUAL(GetIds(index, m2::RectD{-0.5, -0.5, 1.5, 1.5}), (Ids{1, 2, 3, 4}), ());
}
UNIT_TEST(LocalityIndexRankTest)
{
LocalityObjectVector objects;
objects.m_objects.resize(4);
objects.m_objects[0].SetForTests(1, m2::PointD{1, 0});
objects.m_objects[1].SetForTests(2, m2::PointD{2, 0});
objects.m_objects[2].SetForTests(3, m2::PointD{3, 0});
objects.m_objects[3].SetForTests(4, m2::PointD{4, 0});
vector<char> localityIndex;
MemWriter<vector<char>> writer(localityIndex);
BuildGeoObjectsIndex(objects, writer, "tmp");
MemReader reader(localityIndex.data(), localityIndex.size());
indexer::GeoObjectsIndex<MemReader> index(reader);
TEST_EQUAL(GetRankedIds(index, m2::PointD{1, 0} /* center */, m2::PointD{4, 0} /* border */,
4 /* topSize */),
(vector<uint64_t>{1, 2, 3, 4}), ());
TEST_EQUAL(GetRankedIds(index, m2::PointD{1, 0} /* center */, m2::PointD{3, 0} /* border */,
4 /* topSize */),
(vector<uint64_t>{1, 2, 3}), ());
TEST_EQUAL(GetRankedIds(index, m2::PointD{4, 0} /* center */, m2::PointD{1, 0} /* border */,
4 /* topSize */),
(vector<uint64_t>{4, 3, 2, 1}), ());
TEST_EQUAL(GetRankedIds(index, m2::PointD{4, 0} /* center */, m2::PointD{1, 0} /* border */,
2 /* topSize */),
(vector<uint64_t>{4, 3}), ());
TEST_EQUAL(GetRankedIds(index, m2::PointD{3, 0} /* center */, m2::PointD{0, 0} /* border */,
1 /* topSize */),
(vector<uint64_t>{3}), ());
}
UNIT_TEST(LocalityIndexTopSizeTest)
{
LocalityObjectVector objects;
objects.m_objects.resize(4);
objects.m_objects[0].SetForTests(1, m2::PointD{1, 0});
objects.m_objects[1].SetForTests(2, m2::PointD{1, 0});
objects.m_objects[2].SetForTests(3, m2::PointD{1, 0});
objects.m_objects[3].SetForTests(4, m2::PointD{1, 0});
vector<char> localityIndex;
MemWriter<vector<char>> writer(localityIndex);
BuildGeoObjectsIndex(objects, writer, "tmp");
MemReader reader(localityIndex.data(), localityIndex.size());
indexer::GeoObjectsIndex<MemReader> index(reader);
TEST_EQUAL(GetRankedIds(index, m2::PointD{1, 0} /* center */, m2::PointD{0, 0} /* border */,
4 /* topSize */)
.size(),
4, ());
TEST_EQUAL(GetRankedIds(index, m2::PointD{1, 0} /* center */, m2::PointD{0, 0} /* border */,
3 /* topSize */)
.size(),
3, ());
TEST_EQUAL(GetRankedIds(index, m2::PointD{4, 0} /* center */, m2::PointD{0, 0} /* border */,
1 /* topSize */)
.size(),
1, ());
}
} // namespace
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