mapnik/test/unit/core/exceptions_test.cpp
2022-11-10 15:57:38 +00:00

118 lines
3.3 KiB
C++

#include "catch.hpp"
#include <iostream>
#include <mapnik/projection.hpp>
#include <mapnik/unicode.hpp>
#include <mapnik/map.hpp>
#include <mapnik/save_map.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/memory_datasource.hpp>
#include <mapnik/feature_type_style.hpp>
#include <mapnik/feature_factory.hpp>
#include <mapnik/rule.hpp>
#include <mapnik/expression.hpp>
#include <mapnik/layer.hpp>
#include <mapnik/agg_renderer.hpp>
#include <mapnik/config_error.hpp>
#include <mapnik/datasource_cache.hpp>
#include <mapnik/params.hpp>
#include <mapnik/util/fs.hpp>
#include <vector>
#include <algorithm>
TEST_CASE("exceptions")
{
SECTION("handling")
{
try
{
mapnik::projection srs("FAIL");
// to avoid unused variable warning
srs.params();
REQUIRE(false);
}
catch (...)
{
REQUIRE(true);
}
// https://github.com/mapnik/mapnik/issues/2170
try
{
mapnik::projection srs("epsg:4326 foo", true);
REQUIRE(srs.is_geographic());
REQUIRE(true);
srs.init_proj();
// oddly init_proj does not throw with old proj/ubuntu precise
// REQUIRE(false);
}
catch (...)
{
REQUIRE(true);
}
try
{
mapnik::transcoder tr("bogus encoding");
REQUIRE(false);
}
catch (...)
{
REQUIRE(true);
}
mapnik::Map map(256, 256);
mapnik::rule r;
r.set_filter(mapnik::parse_expression("[foo]='bar'"));
r.append(mapnik::markers_symbolizer());
mapnik::feature_type_style style;
style.add_rule(std::move(r));
map.insert_style("style", std::move(style));
std::string csv_plugin("./plugins/input/csv.input");
if (mapnik::util::exists(csv_plugin))
{
try
{
mapnik::parameters p;
p["type"] = "csv";
p["inline"] = "x,y\n0,0";
mapnik::datasource_ptr ds = mapnik::datasource_cache::instance().create(p);
mapnik::layer l("layer");
l.set_datasource(ds);
l.add_style("style");
mapnik::Map m = map;
m.add_layer(l);
m.zoom_all();
mapnik::image_rgba8 im(m.width(), m.height());
mapnik::agg_renderer<mapnik::image_rgba8> ren(m, im);
// std::clog << mapnik::save_map_to_string(m) << "\n";
REQUIRE(true);
// should throw here with "CSV Plugin: no attribute 'foo'. Valid attributes are: x,y."
ren.apply();
REQUIRE(false);
}
catch (...)
{
REQUIRE(true);
}
}
std::string shape_plugin("./plugins/input/shape.input");
if (mapnik::util::exists(shape_plugin))
{
try
{
mapnik::parameters p2;
p2["type"] = "shape";
p2["file"] = "foo";
mapnik::datasource_cache::instance().create(p2);
REQUIRE(false);
}
catch (...)
{
REQUIRE(true);
}
}
}
}