57 lines
2 KiB
C++
57 lines
2 KiB
C++
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#include "catch.hpp"
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#include <mapnik/datasource_cache.hpp>
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#include <mapnik/datasource.hpp>
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#include <mapnik/util/fs.hpp>
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TEST_CASE("datasources") {
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SECTION("hello world") {
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std::string plugin("./plugins/input/templates/hello.input");
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if (mapnik::util::exists(plugin))
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{
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try
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{
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mapnik::datasource_cache::instance().register_datasource(plugin);
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mapnik::parameters p;
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p["type"]="hello";
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mapnik::datasource_ptr ds = mapnik::datasource_cache::instance().create(p);
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mapnik::box2d<double> bbox = ds->envelope();
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mapnik::query q(bbox);
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mapnik::featureset_ptr fs = ds->features(q);
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REQUIRE( fs != mapnik::featureset_ptr() );
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mapnik::feature_ptr feat1 = fs->next();
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REQUIRE( feat1 != mapnik::feature_ptr() );
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mapnik::feature_ptr feat2 = fs->next();
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REQUIRE( feat2 != mapnik::feature_ptr() );
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REQUIRE( fs->next() == mapnik::feature_ptr() );
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REQUIRE( feat1->id() == static_cast<mapnik::value_integer>(1) );
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REQUIRE( feat2->id() == static_cast<mapnik::value_integer>(2) );
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auto const& geom1 = feat1->get_geometry();
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REQUIRE( geom1.is<mapnik::new_geometry::point>() );
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auto const& point = mapnik::util::get<mapnik::new_geometry::point>(geom1);
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REQUIRE( point.x == bbox.center().x );
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REQUIRE( point.y == bbox.center().y );
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auto const& geom2 = feat2->get_geometry();
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REQUIRE( geom2.is<mapnik::new_geometry::line_string>() );
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auto const& line = mapnik::util::get<mapnik::new_geometry::line_string>(geom2);
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REQUIRE( line.size() == 4 );
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REQUIRE( line[0].x == bbox.minx() );
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REQUIRE( line[0].y == bbox.maxy() );
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}
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catch (std::exception const& ex)
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{
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FAIL(ex.what());
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}
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}
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else
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{
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WARN( std::string("could not register ") + plugin );
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}
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}
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}
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