167 lines
3.6 KiB
C++
167 lines
3.6 KiB
C++
// copyright Carl Pearson, 2022
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#include "catch2/catch.hpp"
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#include <iostream>
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#include "argparse/argparse.hpp"
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TEST_CASE("argparse") {
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SECTION("no args") {
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char **argv = nullptr;
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int argc = 0;
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argparse::Parser p;
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REQUIRE(p.parse(argc, argv));
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}
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SECTION("null argv[0]") {
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char *argv[] = {nullptr};
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int argc = sizeof(argv) / sizeof(argv[0]);
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argparse::Parser p;
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REQUIRE(p.parse(argc, argv));
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}
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SECTION("types") {
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char *argv[] = {
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"some-exe", "--campi", "--f", "10", "1.7", "1.8",
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"--", // stop looking for options
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"--a string", "-6",
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};
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int argc = sizeof(argv) / sizeof(argv[0]);
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argparse::Parser p;
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bool campi = false;
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size_t x;
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double d;
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float f;
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int i;
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int64_t i64;
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std::string s;
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p.add_flag(campi, "--campi");
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p.add_positional(x);
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p.add_positional(d);
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p.add_positional(f);
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p.add_positional(s);
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p.add_positional(i);
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p.add_positional(i64);
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REQUIRE(p.parse(argc, argv));
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REQUIRE(campi == true);
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REQUIRE(x == 10);
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REQUIRE(d == 1.7);
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REQUIRE(f == 1.8f);
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REQUIRE(s == "--a string");
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REQUIRE(i == -6);
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REQUIRE(p.need_help() == false);
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REQUIRE(argc == 2); // does not use --f or some-exe
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}
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SECTION("description") {
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char *argv[] = {
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"some-exe",
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};
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int argc = sizeof(argv) / sizeof(argv[0]);
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argparse::Parser p("a test program");
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REQUIRE(p.parse(argc, argv));
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}
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SECTION("skip-first") {
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char *argv[] = {"some-exe"};
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int argc = sizeof(argv) / sizeof(argv[0]);
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argparse::Parser p;
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p.no_unrecognized();
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REQUIRE(p.parse(argc, argv));
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}
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SECTION("no-unrecognized") {
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char *argv[] = {"some-exe", "-f"};
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int argc = sizeof(argv) / sizeof(argv[0]);
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argparse::Parser p;
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p.no_unrecognized();
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REQUIRE(false == p.parse(argc, argv));
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}
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SECTION("missing-reqd-posnl") {
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char *argv[] = {"some-exe", "a"};
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int argc = sizeof(argv) / sizeof(argv[0]);
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std::string a;
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std::string b;
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argparse::Parser p;
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p.add_positional(a)->required();
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p.add_positional(b)->required();
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REQUIRE(false == p.parse(argc, argv));
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}
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SECTION("-h") {
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char *argv[] = {"some-exe", "-h"};
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int argc = sizeof(argv) / sizeof(argv[0]);
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argparse::Parser p;
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REQUIRE(true == p.parse(argc, argv));
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REQUIRE(p.need_help());
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}
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SECTION("--help") {
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char *argv[] = {"some-exe", "--help"};
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int argc = sizeof(argv) / sizeof(argv[0]);
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argparse::Parser p;
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REQUIRE(true == p.parse(argc, argv));
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REQUIRE(p.need_help());
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}
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SECTION("--help") {
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char *argv[] = {"some-exe", "--help", "--"};
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int argc = sizeof(argv) / sizeof(argv[0]);
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argparse::Parser p;
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REQUIRE(true == p.parse(argc, argv));
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REQUIRE(p.need_help());
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}
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SECTION("double --") {
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char *argv[] = {"some-exe", "--flag", "--", "--", "aa"};
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int argc = sizeof(argv) / sizeof(argv[0]);
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std::string a, b;
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bool flag = false;
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argparse::Parser p;
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p.add_flag(flag, "--flag");
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p.add_positional(a);
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p.add_positional(b);
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REQUIRE(true == p.parse(argc, argv));
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REQUIRE(!p.need_help());
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REQUIRE(a == "--");
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REQUIRE(b == "aa");
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REQUIRE(flag == true);
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}
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SECTION("-- in option") {
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char *argv[] = {"some-exe", "--option", "--", "--", "aa"};
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int argc = sizeof(argv) / sizeof(argv[0]);
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std::string a, option;
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argparse::Parser p;
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p.add_option(option, "--option");
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p.add_positional(a);
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REQUIRE(true == p.parse(argc, argv));
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REQUIRE(!p.need_help());
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REQUIRE(a == "aa");
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REQUIRE(option == "--");
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}
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}
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