489 lines
20 KiB
C++
489 lines
20 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2015 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#include "catch.hpp"
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#include <mapnik/datasource.hpp>
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#include <mapnik/datasource_cache.hpp>
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#include <mapnik/geometry.hpp>
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#include <mapnik/geometry_type.hpp>
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#include <mapnik/util/fs.hpp>
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#include <cstdlib>
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#include <boost/optional/optional_io.hpp>
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/*
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Compile and run just this test:
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clang++ -o test-geojson -g -I./test/ test/unit/run.cpp test/unit/datasource/geojson.cpp `mapnik-config --all-flags`
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./test-geojson -d yes
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*/
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namespace {
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std::pair<mapnik::datasource_ptr,mapnik::feature_ptr> fetch_first_feature(std::string const& filename, bool cache_features)
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{
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mapnik::parameters params;
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params["type"] = "geojson";
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params["file"] = filename;
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params["cache_features"] = cache_features;
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auto ds = mapnik::datasource_cache::instance().create(params);
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CHECK(ds->type() == mapnik::datasource::datasource_t::Vector);
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auto fields = ds->get_descriptor().get_descriptors();
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mapnik::query query(ds->envelope());
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for (auto const& field : fields)
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{
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query.add_property_name(field.get_name());
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}
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auto features = ds->features(query);
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auto feature = features->next();
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return std::make_pair(ds,feature);
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}
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int create_disk_index(std::string const& filename, bool silent = true)
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{
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std::string cmd;
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if (std::getenv("DYLD_LIBRARY_PATH") != nullptr)
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{
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cmd += std::string("export DYLD_LIBRARY_PATH=") + std::getenv("DYLD_LIBRARY_PATH") + " && ";
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}
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cmd += "mapnik-index " + filename;
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if (silent)
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{
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#ifndef _WINDOWS
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cmd += " 2>/dev/null";
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#else
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cmd += " 2> nul";
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#endif
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}
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return std::system(cmd.c_str());
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}
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}
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TEST_CASE("geojson") {
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std::string geojson_plugin("./plugins/input/geojson.input");
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if (mapnik::util::exists(geojson_plugin))
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{
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SECTION("GeoJSON I/O errors")
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{
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std::string filename = "does_not_exist.geojson";
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for (auto create_index : { true, false })
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{
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if (create_index)
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{
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int ret = create_disk_index(filename);
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int ret_posix = (ret >> 8) & 0x000000ff;
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INFO(ret);
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INFO(ret_posix);
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// index wont be created
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CHECK(!mapnik::util::exists(filename + ".index"));
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}
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for (auto cache_features : {true, false})
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{
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mapnik::parameters params;
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params["type"] = "geojson";
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params["file"] = filename;
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params["cache_features"] = cache_features;
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REQUIRE_THROWS(mapnik::datasource_cache::instance().create(params));
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}
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}
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}
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SECTION("GeoJSON invalid Point")
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{
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for (auto cache_features : {true, false})
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{
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mapnik::parameters params;
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params["type"] = "geojson";
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params["file"] = "./test/data/json/point-invalid.json";
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params["cache_features"] = cache_features;
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REQUIRE_THROWS(mapnik::datasource_cache::instance().create(params));
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}
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}
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SECTION("GeoJSON Point ")
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{
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for (auto cache_features : {true, false})
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{
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auto result = fetch_first_feature("./test/data/json/point.json", cache_features);
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auto feature = result.second;
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auto ds = result.first;
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::Point);
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auto const& geometry = feature->get_geometry();
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REQUIRE(mapnik::geometry::geometry_type(geometry) == mapnik::geometry::Point);
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auto const& pt = mapnik::util::get<mapnik::geometry::point<double> >(geometry);
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REQUIRE(pt.x == 100);
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REQUIRE(pt.y == 0);
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}
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}
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SECTION("GeoJSON LineString")
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{
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for (auto cache_features : {true, false})
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{
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auto result = fetch_first_feature("./test/data/json/linestring.json", cache_features);
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auto feature = result.second;
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auto ds = result.first;
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::LineString);
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auto const& geometry = feature->get_geometry();
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REQUIRE(mapnik::geometry::geometry_type(geometry) == mapnik::geometry::LineString);
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auto const& line = mapnik::util::get<mapnik::geometry::line_string<double> >(geometry);
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REQUIRE(line.size() == 2);
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REQUIRE(mapnik::geometry::envelope(line) == mapnik::box2d<double>(100,0,101,1));
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}
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}
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SECTION("GeoJSON Polygon")
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{
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for (auto cache_features : {true, false})
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{
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auto result = fetch_first_feature("./test/data/json/polygon.json", cache_features);
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auto feature = result.second;
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auto ds = result.first;
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::Polygon);
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auto const& geometry = feature->get_geometry();
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REQUIRE(mapnik::geometry::geometry_type(geometry) == mapnik::geometry::Polygon);
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auto const& poly = mapnik::util::get<mapnik::geometry::polygon<double> >(geometry);
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REQUIRE(poly.num_rings() == 2);
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REQUIRE(poly.exterior_ring.size() == 5);
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REQUIRE(poly.interior_rings.size() == 1);
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REQUIRE(poly.interior_rings[0].size() == 5);
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REQUIRE(mapnik::geometry::envelope(poly) == mapnik::box2d<double>(100,0,101,1));
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}
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}
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SECTION("GeoJSON MultiPoint")
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{
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for (auto cache_features : {true, false})
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{
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auto result = fetch_first_feature("./test/data/json/multipoint.json", cache_features);
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auto feature = result.second;
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auto ds = result.first;
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::Point);
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auto const& geometry = feature->get_geometry();
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REQUIRE(mapnik::geometry::geometry_type(geometry) == mapnik::geometry::MultiPoint);
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auto const& multi_pt = mapnik::util::get<mapnik::geometry::multi_point<double> >(geometry);
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REQUIRE(multi_pt.size() == 2);
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REQUIRE(mapnik::geometry::envelope(multi_pt) == mapnik::box2d<double>(100,0,101,1));
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}
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}
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SECTION("GeoJSON MultiLineString")
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{
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for (auto cache_features : {true, false})
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{
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auto result = fetch_first_feature("./test/data/json/multilinestring.json", cache_features);
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auto feature = result.second;
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auto ds = result.first;
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::LineString);
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auto const& geometry = feature->get_geometry();
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REQUIRE(mapnik::geometry::geometry_type(geometry) == mapnik::geometry::MultiLineString);
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auto const& multi_line = mapnik::util::get<mapnik::geometry::multi_line_string<double> >(geometry);
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REQUIRE(multi_line.size() == 2);
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REQUIRE(multi_line[0].size() == 2);
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REQUIRE(multi_line[1].size() == 2);
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REQUIRE(mapnik::geometry::envelope(multi_line) == mapnik::box2d<double>(100,0,103,3));
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}
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}
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SECTION("GeoJSON MultiPolygon")
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{
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for (auto cache_features : {true, false})
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{
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auto result = fetch_first_feature("./test/data/json/multipolygon.json", cache_features);
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auto feature = result.second;
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auto ds = result.first;
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::Polygon);
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// test
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auto const& geometry = feature->get_geometry();
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REQUIRE(mapnik::geometry::geometry_type(geometry) == mapnik::geometry::MultiPolygon);
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auto const& multi_poly = mapnik::util::get<mapnik::geometry::multi_polygon<double> >(geometry);
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REQUIRE(multi_poly.size() == 2);
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REQUIRE(multi_poly[0].num_rings() == 1);
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REQUIRE(multi_poly[1].num_rings() == 2);
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REQUIRE(mapnik::geometry::envelope(multi_poly) == mapnik::box2d<double>(100,0,103,3));
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}
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}
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SECTION("GeoJSON GeometryCollection")
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{
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std::string filename("./test/data/json/geometrycollection.json");
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for (auto create_index : { true, false })
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{
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if (create_index)
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{
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int ret = create_disk_index(filename);
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int ret_posix = (ret >> 8) & 0x000000ff;
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INFO(ret);
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INFO(ret_posix);
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// index will not exist because this is not a featurecollection
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CHECK(!mapnik::util::exists(filename + ".index"));
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}
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for (auto cache_features : {true, false})
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{
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auto result = fetch_first_feature(filename, cache_features);
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auto feature = result.second;
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auto ds = result.first;
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::Collection);
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// test
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auto const& geometry = feature->get_geometry();
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REQUIRE(mapnik::geometry::geometry_type(geometry) == mapnik::geometry::GeometryCollection);
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auto const& collection = mapnik::util::get<mapnik::geometry::geometry_collection<double> >(geometry);
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REQUIRE(collection.size() == 2);
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REQUIRE(mapnik::geometry::geometry_type(collection[0]) == mapnik::geometry::Point);
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REQUIRE(mapnik::geometry::geometry_type(collection[1]) == mapnik::geometry::LineString);
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REQUIRE(mapnik::geometry::envelope(collection) == mapnik::box2d<double>(100,0,102,1));
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}
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}
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}
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SECTION("GeoJSON Feature")
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{
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// Create datasource
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mapnik::parameters params;
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params["type"] = "geojson";
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std::string base("./test/data/json/");
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std::string file("feature.json");
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params["base"] = base;
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params["file"] = file;
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std::string filename = base + file;
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for (auto create_index : { true, false })
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{
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if (create_index)
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{
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int ret = create_disk_index(filename);
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int ret_posix = (ret >> 8) & 0x000000ff;
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INFO(ret);
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INFO(ret_posix);
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// index will not exist because this is not a featurecollection
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CHECK(!mapnik::util::exists(filename + ".index"));
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}
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for (auto cache_features : {true, false})
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{
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params["cache_features"] = cache_features;
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(bool(ds));
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::Point);
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auto fields = ds->get_descriptor().get_descriptors();
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mapnik::query query(ds->envelope());
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for (auto const& field : fields)
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{
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query.add_property_name(field.get_name());
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}
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auto features = ds->features(query);
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auto features2 = ds->features_at_point(ds->envelope().center(),0);
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REQUIRE(features != nullptr);
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REQUIRE(features2 != nullptr);
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auto feature = features->next();
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auto feature2 = features2->next();
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REQUIRE(feature != nullptr);
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REQUIRE(feature2 != nullptr);
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CHECK(feature->id() == 1);
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CHECK(feature2->id() == 1);
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mapnik::value val = feature->get("name");
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CHECK(val.to_string() == "Dinagat Islands");
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mapnik::value val2 = feature2->get("name");
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CHECK(val2.to_string() == "Dinagat Islands");
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REQUIRE(features->next() == nullptr);
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REQUIRE(features2->next() == nullptr);
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}
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}
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}
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SECTION("GeoJSON FeatureCollection")
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{
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std::string filename("./test/data/json/featurecollection.json");
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// cleanup in the case of a failed previous run
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if (mapnik::util::exists(filename + ".index"))
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{
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mapnik::util::remove(filename + ".index");
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}
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for (auto create_index : { true, false })
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{
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if (create_index)
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{
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int ret = create_disk_index(filename);
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int ret_posix = (ret >> 8) & 0x000000ff;
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INFO(ret);
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INFO(ret_posix);
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CHECK(mapnik::util::exists(filename + ".index"));
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}
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mapnik::parameters params;
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params["type"] = "geojson";
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params["file"] = filename;
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for (auto cache_features : {true, false})
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{
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params["cache_features"] = cache_features;
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auto ds = mapnik::datasource_cache::instance().create(params);
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::Collection);
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auto fields = ds->get_descriptor().get_descriptors();
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mapnik::query query(ds->envelope());
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for (auto const& field : fields)
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{
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query.add_property_name(field.get_name());
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}
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auto features = ds->features(query);
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auto features2 = ds->features_at_point(ds->envelope().center(),10);
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auto bounding_box = ds->envelope();
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mapnik::box2d<double> bbox;
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mapnik::value_integer count = 0;
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while (true)
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{
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auto feature = features->next();
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auto feature2 = features2->next();
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if (!feature || !feature2) break;
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if (!bbox.valid()) bbox = feature->envelope();
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else bbox.expand_to_include(feature->envelope());
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++count;
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REQUIRE(feature->id() == count);
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REQUIRE(feature2->id() == count);
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}
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REQUIRE(count == 3);
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REQUIRE(bounding_box == bbox);
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}
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if (mapnik::util::exists(filename + ".index"))
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{
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CHECK(mapnik::util::remove(filename + ".index"));
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}
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}
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}
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SECTION("GeoJSON extra properties")
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{
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// Create datasource
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mapnik::parameters params;
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params["type"] = "geojson";
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std::string filename("./test/data/json/feature_collection_extra_properties.json");
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params["file"] = filename;
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// cleanup in the case of a failed previous run
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if (mapnik::util::exists(filename + ".index"))
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{
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mapnik::util::remove(filename + ".index");
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}
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for (auto create_index : { true, false })
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{
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if (create_index)
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{
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int ret = create_disk_index(filename);
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int ret_posix = (ret >> 8) & 0x000000ff;
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INFO(ret);
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INFO(ret_posix);
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CHECK(mapnik::util::exists(filename + ".index"));
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}
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for (auto cache_features : {true, false})
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{
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params["cache_features"] = cache_features;
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auto ds = mapnik::datasource_cache::instance().create(params);
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::Point);
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REQUIRE(bool(ds));
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auto fields = ds->get_descriptor().get_descriptors();
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mapnik::query query(ds->envelope());
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for (auto const& field : fields)
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{
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query.add_property_name(field.get_name());
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}
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auto features = ds->features(query);
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REQUIRE(features != nullptr);
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auto feature = features->next();
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REQUIRE(feature != nullptr);
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REQUIRE(feature->envelope() == mapnik::box2d<double>(123,456,123,456));
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}
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// cleanup
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if (create_index && mapnik::util::exists(filename + ".index"))
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{
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mapnik::util::remove(filename + ".index");
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}
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}
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}
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SECTION("GeoJSON ensure input fully consumed and throw exception otherwise")
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{
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mapnik::parameters params;
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params["type"] = "geojson";
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std::string filename("./test/data/json/points-malformed.geojson");
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params["file"] = filename; // mismatched parentheses
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// cleanup in the case of a failed previous run
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if (mapnik::util::exists(filename + ".index"))
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{
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mapnik::util::remove(filename + ".index");
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}
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for (auto create_index : { true, false })
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{
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if (create_index)
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{
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CHECK(!mapnik::util::exists(filename + ".index"));
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int ret = create_disk_index(filename);
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int ret_posix = (ret >> 8) & 0x000000ff;
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INFO(ret);
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INFO(ret_posix);
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CHECK(mapnik::util::exists(filename + ".index"));
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}
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for (auto cache_features : {true, false})
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{
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// unfortunately when using an index or not
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// caching features we use the bbox grammar
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// which is not strict (and would be a perf hit if it were strict).
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// So this is one known hole where invalid data may silently parse okay
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// refs https://github.com/mapnik/mapnik/issues/3125
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if (!create_index && cache_features == true)
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{
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std::stringstream msg;
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msg << "testcase: create index " << create_index << " cache_features " << cache_features;
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params["cache_features"] = cache_features;
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INFO(msg.str());
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CHECK_THROWS(mapnik::datasource_cache::instance().create(params));
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}
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}
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// cleanup
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if (create_index && mapnik::util::exists(filename + ".index"))
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{
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mapnik::util::remove(filename + ".index");
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}
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}
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}
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}
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}
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