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#include "../include/argagg/argagg.hpp"
#include "../include/argagg/convert/csv.hpp"
#include <doctest/doctest.h>
#include <iostream>
#include <vector>
// Define a custom conversion function for the test that follows
struct plus_triple {
double x;
double y;
double z;
};
namespace argagg {
namespace convert {
template <>
plus_triple arg(const char* s)
{
plus_triple result {0.0, 0.0, 0.0};
if (!parse_next_component(s, result.x, '+')) {
return result;
}
if (!parse_next_component(s, result.y, '+')) {
return result;
}
if (!parse_next_component(s, result.z, '+')) {
return result;
}
return result;
}
} // namespace convert
} // namespace argagg
TEST_CASE("comma separated values")
{
argagg::parser argparser {{
{ "items", {"--items"},
"items as a comma separated list of components (e.g. 'alice,bob,1,2')", 1},
}};
SUBCASE("empty") {
std::vector<const char*> argv {
"test", "--items", ""};
argagg::parser_results args =
argparser.parse((int)argv.size(), &(argv.front()));
CHECK(args.has_option("items") == true);
auto items = args["items"].as<argagg::csv<std::string>>();
CHECK(items.values.size() == 1);
CHECK(items.values[0] == "");
}
SUBCASE("one") {
std::vector<const char*> argv {
"test", "--items", "alice"};
argagg::parser_results args =
argparser.parse((int)argv.size(), &(argv.front()));
CHECK(args.has_option("items") == true);
auto items = args["items"].as<argagg::csv<std::string>>();
CHECK(items.values.size() == 1);
CHECK(items.values[0] == "alice");
}
SUBCASE("two") {
std::vector<const char*> argv {
"test", "--items", "alice,bob"};
argagg::parser_results args =
argparser.parse((int)argv.size(), &(argv.front()));
CHECK(args.has_option("items") == true);
auto items = args["items"].as<argagg::csv<std::string>>();
CHECK(items.values.size() == 2);
CHECK(items.values[0] == "alice");
CHECK(items.values[1] == "bob");
}
SUBCASE("multiple empty") {
std::vector<const char*> argv {
"test", "--items", "alice,,,bob"};
argagg::parser_results args =
argparser.parse((int)argv.size(), &(argv.front()));
CHECK(args.has_option("items") == true);
auto items = args["items"].as<argagg::csv<std::string>>();
CHECK(items.values.size() == 4);
CHECK(items.values[0] == "alice");
CHECK(items.values[1] == "");
CHECK(items.values[2] == "");
CHECK(items.values[3] == "bob");
}
SUBCASE("integers") {
std::vector<const char*> argv {
"test", "--items", "1,2,3"};
argagg::parser_results args =
argparser.parse((int)argv.size(), &(argv.front()));
CHECK(args.has_option("items") == true);
auto items = args["items"].as<argagg::csv<int>>();
CHECK(items.values.size() == 3);
CHECK(items.values[0] == 1);
CHECK(items.values[1] == 2);
CHECK(items.values[2] == 3);
}
SUBCASE("integers, bad conversion") {
std::vector<const char*> argv {
"test", "--items", "1,bob,3"};
argagg::parser_results args =
argparser.parse((int)argv.size(), &(argv.front()));
CHECK(args.has_option("items") == true);
CHECK_THROWS({
args["items"].as<argagg::csv<int>>();
});
}
SUBCASE("doubles") {
std::vector<const char*> argv {
"test", "--items", "1.2,3.45,6.789"};
argagg::parser_results args =
argparser.parse((int)argv.size(), &(argv.front()));
CHECK(args.has_option("items") == true);
auto items = args["items"].as<argagg::csv<double>>();
CHECK(items.values.size() == 3);
CHECK(items.values[0] == 1.2);
CHECK(items.values[1] == 3.45);
CHECK(items.values[2] == 6.789);
}
SUBCASE("doubles, bad conversion") {
std::vector<const char*> argv {
"test", "--items", "alice,3.45,6.789"};
argagg::parser_results args =
argparser.parse((int)argv.size(), &(argv.front()));
CHECK(args.has_option("items") == true);
CHECK_THROWS({
args["items"].as<argagg::csv<double>>();
});
SUBCASE("plus triples") {
std::vector<const char*> argv {
"test", "--items", "1.2+2.4+3.141,4.0+5.32,6.5341"};
argagg::parser_results args =
argparser.parse((int)argv.size(), &(argv.front()));
CHECK(args.has_option("items") == true);
auto items = args["items"].as<argagg::csv<plus_triple>>();
CHECK(items.values.size() == 3);
CHECK(items.values[0].x == 1.2);
CHECK(items.values[0].y == 2.4);
CHECK(items.values[0].z == 3.141);
CHECK(items.values[1].x == 4.0);
CHECK(items.values[1].y == 5.32);
CHECK(items.values[1].z == 0.0);
CHECK(items.values[2].x == 6.5341);
CHECK(items.values[2].y == 0.0);
CHECK(items.values[2].z == 0.0);
}
}
}
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