test_component_output.cpp

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#include <catch2/catch_test_macros.hpp>
#include <nlohmann/json.hpp>
#include <wmtk/components/input/input.hpp>
#include <wmtk/components/output/output.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_output", "[components][output]")
{
    wmtk::io::Cache cache("wmtk_cache", ".");
 
    const std::filesystem::path input_file = data_dir / "armadillo.msh";
    json input_component_json = {
        {"type", "input"},
        {"name", "input_mesh"},
        {"cell_dimension", 2},
        {"file", input_file.string()},
        {"ignore_z", false},
        {"tetrahedron_attributes", json::array()}};
 
    wmtk::components::input(Paths(), input_component_json, cache);
 
    SECTION("should pass")
    {
        json component_json = R"({
            "input": "input_mesh",
            "attributes": {"position": "vertices"},
            "file": "bunny"
        })"_json;
 
        CHECK_NOTHROW(wmtk::components::output(Paths(), component_json, cache));
    }
 
    SECTION("should throw")
    {
        json component_json = R"({
            "input": "input_mesh",
            "attributes": {"position": "vertices"},
            "file": "unknown file ending.abcdef"
        })"_json;
 
        CHECK_THROWS(wmtk::components::output(Paths(), component_json, cache));
    }
}