mapnik/test/unit/datasource/ogr.cpp
2023-11-17 11:06:18 +01:00

128 lines
5 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2021 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#include "catch.hpp"
#include <cstdlib>
#include <mapnik/map.hpp>
#include <mapnik/load_map.hpp>
#include <mapnik/agg_renderer.hpp>
#include <mapnik/image.hpp>
#include <mapnik/image_reader.hpp>
#include <mapnik/image_util.hpp>
#include <mapnik/datasource_cache.hpp>
#include "../../../plugins/input/ogr/ogr_utils.hpp"
inline std::vector<ogr_utils::option_ptr> split_options(std::string const& options)
{
return ogr_utils::split_open_options(options);
}
void assert_option(std::vector<ogr_utils::option_ptr> const& options, size_t const& index, std::string const expected)
{
auto const* opt = options.at(index).get();
REQUIRE(opt != nullptr);
REQUIRE_FALSE(strcmp(opt, expected.c_str()));
}
TEST_CASE("ogr")
{
const bool have_ogr_plugin = mapnik::datasource_cache::instance().plugin_registered("ogr");
if (have_ogr_plugin)
{
SECTION("ogr point feature")
{
mapnik::Map m(256, 256);
mapnik::load_map(m, "./test/data/good_maps/point_json.xml");
std::string fontdir("fonts/");
REQUIRE(m.register_fonts(fontdir, true));
m.zoom_all();
mapnik::image_rgba8 im(256, 256);
mapnik::agg_renderer<mapnik::image_rgba8> ren(m, im);
ren.apply();
std::string filename("./test/data/images/point_json.png");
if (std::getenv("UPDATE") != nullptr)
{
mapnik::save_to_file(im, filename);
}
std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(filename, "png"));
mapnik::image_any data = reader->read(0, 0, reader->width(), reader->height());
mapnik::image_rgba8 expected = mapnik::util::get<mapnik::image_rgba8>(data);
REQUIRE(mapnik::compare(expected, im) == 0);
}
}
}
TEST_CASE("ogr open_options")
{
const bool have_ogr_plugin = mapnik::datasource_cache::instance().plugin_registered("ogr");
if (have_ogr_plugin)
{
SECTION("splitting open_options string")
{
std::string opts = "ZOOM=5";
std::vector<ogr_utils::option_ptr> v = split_options(opts);
assert_option(v, 0, opts);
}
SECTION("splitting open_options string with multiple components")
{
std::string opts = "ZOOM=8 USE_BOUNDS=YES";
std::vector<ogr_utils::option_ptr> v = split_options(opts);
assert_option(v, 0, "ZOOM=8");
assert_option(v, 1, "USE_BOUNDS=YES");
}
SECTION("open_options string with escaped character")
{
std::string opts = "MY_KEY=THIS\\ VALUE OTHER_KEY=SOMETHING";
std::vector<ogr_utils::option_ptr> v = split_options(opts);
assert_option(v, 0, "MY_KEY=THIS VALUE");
assert_option(v, 1, "OTHER_KEY=SOMETHING");
}
SECTION("splitting open_options string with escaping")
{
std::string opts = "ZOOM=14 FANCY_OPTION=WITH\\ SPACE_VALUE";
std::vector<ogr_utils::option_ptr> v = split_options(opts);
assert_option(v, 0, "ZOOM=14");
assert_option(v, 1, "FANCY_OPTION=WITH SPACE_VALUE");
}
SECTION("splitting open_options string, starts with space")
{
std::string opts = " ZOOM=14 K23=V45";
std::vector<ogr_utils::option_ptr> v = split_options(opts);
assert_option(v, 0, "ZOOM=14");
assert_option(v, 1, "K23=V45");
}
SECTION("splitting open_options string, ends with space")
{
std::string opts = "ZOOM=14 K23=V46 ";
std::vector<ogr_utils::option_ptr> v = split_options(opts);
assert_option(v, 0, "ZOOM=14");
assert_option(v, 1, "K23=V46");
}
SECTION("splitting open_options string, doubled space")
{
std::string opts = "ZOOM=14 K23=V47";
std::vector<ogr_utils::option_ptr> v = split_options(opts);
assert_option(v, 0, "ZOOM=14");
assert_option(v, 1, "K23=V47");
}
}
}