mapnik/test/visual/runner.cpp

248 lines
7 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 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
*
*****************************************************************************/
// stl
#include <algorithm>
#include <future>
#include <mapnik/load_map.hpp>
#include "runner.hpp"
namespace visual_tests
{
class renderer_visitor
{
public:
renderer_visitor(std::string const & name, mapnik::Map const & map, double scale_factor)
: name_(name), map_(map), scale_factor_(scale_factor)
{
}
template <typename T>
result operator()(T const & renderer) const
{
return renderer.test(name_, map_, scale_factor_);
}
private:
std::string const & name_;
mapnik::Map const & map_;
double scale_factor_;
};
runner::runner(runner::path_type const & styles_dir,
runner::path_type const & output_dir,
runner::path_type const & reference_dir,
bool overwrite,
std::size_t jobs)
: styles_dir_(styles_dir),
output_dir_(output_dir),
reference_dir_(reference_dir),
jobs_(jobs),
renderers_{ renderer<agg_renderer>(output_dir_, reference_dir_, overwrite),
renderer<cairo_renderer>(output_dir_, reference_dir_, overwrite)/*,
renderer<grid_renderer>(output_dir_, reference_dir_, overwrite)*/ }
{
}
result_list runner::test_all(report_type & report) const
{
boost::filesystem::directory_iterator begin(styles_dir_);
boost::filesystem::directory_iterator end;
std::vector<runner::path_type> files(begin, end);
return test_parallel(files, report, jobs_);
}
result_list runner::test(std::vector<std::string> const & style_names, report_type & report) const
{
std::vector<runner::path_type> files(style_names.size());
std::transform(style_names.begin(), style_names.end(), std::back_inserter(files),
[&](runner::path_type const & name)
{
return (name.extension() == ".xml") ? name : (styles_dir_ / (name.string() + ".xml"));
});
return test_parallel(files, report, jobs_);
}
result_list runner::test_parallel(std::vector<runner::path_type> const & files, report_type & report, std::size_t jobs) const
{
result_list results;
if (files.empty())
{
return results;
}
if (jobs == 0)
{
jobs = 1;
}
std::size_t chunk_size = files.size() / jobs;
if (chunk_size == 0)
{
chunk_size = files.size();
jobs = 1;
}
std::launch launch(jobs == 1 ? std::launch::deferred : std::launch::async);
std::vector<std::future<result_list>> futures(jobs);
for (std::size_t i = 0; i < jobs; i++)
{
files_iterator begin(files.begin() + i * chunk_size);
files_iterator end(files.begin() + (i + 1) * chunk_size);
// Handle remainder of files.size() / jobs
if (i == jobs - 1)
{
end = files.end();
}
futures[i] = std::async(launch, &runner::test_range, this, begin, end, std::ref(report));
}
for (auto & f : futures)
{
result_list r = f.get();
std::move(r.begin(), r.end(), std::back_inserter(results));
}
return results;
}
result_list runner::test_range(files_iterator begin, files_iterator end, std::reference_wrapper<report_type> report) const
{
config defaults;
result_list results;
for (runner::files_iterator i = begin; i != end; i++)
{
runner::path_type const & file = *i;
if (file.extension() == ".xml")
{
try
{
result_list r = test_one(file, defaults, report);
std::move(r.begin(), r.end(), std::back_inserter(results));
}
catch (std::exception const& ex)
{
result r;
r.state = STATE_ERROR;
r.name = file.string();
r.error_message = ex.what();
results.emplace_back(r);
mapnik::util::apply_visitor(report_visitor(r), report.get());
}
}
}
return results;
}
result_list runner::test_one(runner::path_type const& style_path, config cfg, report_type & report) const
{
mapnik::Map m(cfg.sizes.front().width, cfg.sizes.front().height);
result_list results;
try
{
mapnik::load_map(m, style_path.string(), true);
}
catch (std::exception const& ex)
{
std::string what = ex.what();
if (what.find("Could not create datasource") != std::string::npos ||
what.find("Postgis Plugin: could not connect to server") != std::string::npos)
{
return results;
}
throw;
}
mapnik::parameters const & params = m.get_extra_parameters();
boost::optional<mapnik::value_integer> status = params.get<mapnik::value_integer>("status", cfg.status);
if (!*status)
{
return results;
}
boost::optional<std::string> sizes = params.get<std::string>("sizes");
if (sizes)
{
cfg.sizes.clear();
parse_map_sizes(*sizes, cfg.sizes);
}
std::string name(style_path.stem().string());
for (map_size const & size : cfg.sizes)
{
m.resize(size.width, size.height);
boost::optional<std::string> bbox_string = params.get<std::string>("bbox");
if (bbox_string)
{
mapnik::box2d<double> bbox;
bbox.from_string(*bbox_string);
m.zoom_to_box(bbox);
}
else
{
m.zoom_all();
}
for (double const & scale_factor : cfg.scales)
{
for(auto const& ren : renderers_)
{
result r = mapnik::util::apply_visitor(renderer_visitor(name, m, scale_factor), ren);
results.emplace_back(r);
mapnik::util::apply_visitor(report_visitor(r), report);
}
}
}
return results;
}
void runner::parse_map_sizes(std::string const & str, std::vector<map_size> & sizes) const
{
boost::spirit::ascii::space_type space;
std::string::const_iterator iter = str.begin();
std::string::const_iterator end = str.end();
if (!boost::spirit::qi::phrase_parse(iter, end, map_sizes_parser_, space, sizes))
{
throw std::runtime_error("Failed to parse list of sizes: '" + str + "'");
}
}
}