Files
argparse/test/test_argparse.cpp
Carl Pearson 9849273411 first commit
2020-03-24 08:18:43 -05:00

133 lines
2.6 KiB
C++

#include "catch2/catch.hpp"
#include <iostream>
#include "argparse/argparse.hpp"
TEST_CASE("argparse") {
SECTION("types") {
char *argv[] = {
"some-exe", "--campi", "--f", "10", "1.7", "1.8",
"--", // stop looking for options
"--a string",
"-6",
};
int argc = sizeof(argv) / sizeof(argv[0]);
Parser p;
bool campi = false;
size_t x;
double d;
float f;
int i;
std::string s;
p.add_flag(campi, "--campi");
p.add_positional(x);
p.add_positional(d);
p.add_positional(f);
p.add_positional(s);
p.add_positional(i);
REQUIRE(p.parse(argc, argv));
REQUIRE(campi == true);
REQUIRE(x == 10);
REQUIRE(d == 1.7);
REQUIRE(f == 1.8f);
REQUIRE(s == "--a string");
REQUIRE(i == -6);
REQUIRE(p.need_help() == false);
REQUIRE(argc == 2); // does not use --f or some-exe
}
SECTION("no args") {
char *argv[] = {nullptr};
int argc = sizeof(argv) / sizeof(argv[0]);
Parser p;
REQUIRE(p.parse(argc, argv));
}
SECTION("description") {
char *argv[] = {
"some-exe",
};
int argc = sizeof(argv) / sizeof(argv[0]);
Parser p("a test program");
REQUIRE(p.parse(argc, argv));
}
SECTION("skip-first") {
char *argv[] = {"some-exe"};
int argc = sizeof(argv) / sizeof(argv[0]);
Parser p;
p.no_unrecognized();
REQUIRE(p.parse(argc, argv));
}
SECTION("no-unrecognized") {
char *argv[] = {"some-exe", "-f"};
int argc = sizeof(argv) / sizeof(argv[0]);
Parser p;
p.no_unrecognized();
REQUIRE(false == p.parse(argc, argv));
}
SECTION("missing-reqd-posnl") {
char *argv[] = {"some-exe", "a"};
int argc = sizeof(argv) / sizeof(argv[0]);
std::string a;
std::string b;
Parser p;
p.add_positional(a)->required();
p.add_positional(b)->required();
REQUIRE(false == p.parse(argc, argv));
}
SECTION("-h") {
char *argv[] = {"some-exe", "-h"};
int argc = sizeof(argv) / sizeof(argv[0]);
std::string a;
std::string b;
Parser p;
REQUIRE(true == p.parse(argc, argv));
REQUIRE(p.need_help());
std::cerr << p.help() << "\n";
}
SECTION("--help") {
char *argv[] = {"some-exe", "--help"};
int argc = sizeof(argv) / sizeof(argv[0]);
std::string a;
std::string b;
Parser p;
REQUIRE(true == p.parse(argc, argv));
REQUIRE(p.need_help());
}
SECTION("--help") {
char *argv[] = {"some-exe", "--help", "--"};
int argc = sizeof(argv) / sizeof(argv[0]);
std::string a;
std::string b;
Parser p;
REQUIRE(true == p.parse(argc, argv));
REQUIRE(p.need_help());
}
}