#include <argparse/argparse.hpp>
#include <doctest.hpp>

using doctest::test_suite;

TEST_CASE(
    "Parse required arguments which are not set and don't have default value" *
    test_suite("required_arguments")) {
  argparse::ArgumentParser program("test");
  program.add_argument("--output", "-o").required();
  REQUIRE_THROWS(program.parse_args({"./main"}));
}

TEST_CASE("Parse required arguments which are set as empty value and don't "
          "have default value" *
          test_suite("required_arguments")) {
  argparse::ArgumentParser program("test");
  program.add_argument("--output", "-o").required();
  REQUIRE_THROWS(program.parse_args({"./main", "-o"}));
}

TEST_CASE("Parse required arguments which are set as some value and don't have "
          "default value" *
          test_suite("required_arguments")) {
  argparse::ArgumentParser program("test");
  program.add_argument("--output", "-o").required();
  program.parse_args({"./main", "-o", "filename"});
  REQUIRE(program.get("--output") == "filename");
  REQUIRE(program.get("-o") == "filename");
}

TEST_CASE("Parse required arguments which are not set and have default value" *
          test_suite("required_arguments")) {
  argparse::ArgumentParser program("test");
  program.add_argument("--output", "-o")
      .required()
      .default_value(std::string("filename"));
  program.parse_args({"./main"});
  REQUIRE(program.get("--output") == "filename");
  REQUIRE(program.get("-o") == "filename");
}

TEST_CASE(
    "Parse required arguments which are set as empty and have default value" *
    test_suite("required_arguments")) {
  argparse::ArgumentParser program("test");
  program.add_argument("--output", "-o")
      .required()
      .default_value(std::string("filename"));
  REQUIRE_THROWS(program.parse_args({"./main", "-o"}));
}

TEST_CASE("Parse required arguments which are set as some value and have "
          "default value" *
          test_suite("required_arguments")) {
  argparse::ArgumentParser program("test");
  program.add_argument("--output", "-o")
      .required()
      .default_value(std::string("filename"));
  program.parse_args({"./main", "-o", "anotherfile"});
  REQUIRE(program.get("--output") == "anotherfile");
  REQUIRE(program.get("-o") == "anotherfile");
}