test_component_import_cache.cpp

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#include <catch2/catch_test_macros.hpp>
#include <nlohmann/json.hpp>
#include <wmtk/components/export_cache/export_cache.hpp>
#include <wmtk/components/import_cache/import_cache.hpp>
#include <wmtk/components/input/input.hpp>
#include <wmtk/components/utils/Paths.hpp>
 
using namespace wmtk::components::utils;
using json = nlohmann::json;
 
const std::filesystem::path data_dir = WMTK_DATA_DIR;
 
TEST_CASE("component_import_cache", "[components][import_cache]")
{
    wmtk::io::Cache cache("wmtk_cache", ".");
 
    // input
    {
        const std::filesystem::path input_file = data_dir / "small.msh";
        json component_json = {
            {"name", "input_mesh"},
            {"file", input_file.string()},
            {"ignore_z", false},
            {"tetrahedron_attributes", json::array()}};
 
 
        CHECK_NOTHROW(wmtk::components::input(Paths(), component_json, cache));
    }
 
    wmtk::io::Cache cache_dump("wmtk_dump", ".");
 
    // export cache
    {
        json o;
        o["folder"] = cache_dump.get_cache_path() / "exported_cache";
 
        CHECK_NOTHROW(wmtk::components::export_cache(Paths(), o, cache));
    }
 
    wmtk::io::Cache cache2("wmtk_cache_from_import", ".");
    // import cache
    {
        json o;
        o["folder"] = cache_dump.get_cache_path() / "exported_cache";
 
        CHECK_NOTHROW(wmtk::components::import_cache(Paths(), o, cache2));
    }
 
    CHECK(cache.equals(cache2));
}