Update argparse.

Otherwise .choices doesn't work properly.
See https://github.com/p-ranav/argparse/issues/307
This commit is contained in:
Alex Shvartzkop 2024-03-03 21:13:45 +03:00
parent 219d0c399d
commit 991b4299d6
5 changed files with 80 additions and 129 deletions

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@ -30,11 +30,12 @@ SOFTWARE.
*/
#pragma once
#include <cerrno>
#ifndef ARGPARSE_MODULE_USE_STD_MODULE
#include <algorithm>
#include <any>
#include <array>
#include <cerrno>
#include <charconv>
#include <cstdlib>
#include <functional>
@ -657,7 +658,7 @@ public:
}
template <class F, class... Args>
auto action(F &&callable, Args &&...bound_args)
auto action(F &&callable, Args &&... bound_args)
-> std::enable_if_t<std::is_invocable_v<F, Args..., std::string const>,
Argument &> {
using action_type = std::conditional_t<
@ -783,7 +784,7 @@ public:
}
template <typename T, typename... U>
Argument &choices(T &&first, U &&...rest) {
Argument &choices(T &&first, U &&... rest) {
add_choice(std::forward<T>(first));
choices(std::forward<U>(rest)...);
return *this;
@ -845,8 +846,14 @@ public:
if (m_choices.has_value()) {
// Check each value in (start, end) and make sure
// it is in the list of allowed choices/options
std::size_t i = 0;
auto max_number_of_args = m_num_args_range.get_max();
for (auto it = start; it != end; ++it) {
if (i == max_number_of_args) {
break;
}
find_value_in_choices_or_throw(it);
i += 1;
}
}
@ -1546,7 +1553,7 @@ public:
// Parameter packed add_parents method
// Accepts a variadic number of ArgumentParser objects
template <typename... Targs>
ArgumentParser &add_parents(const Targs &...f_args) {
ArgumentParser &add_parents(const Targs &... f_args) {
for (const ArgumentParser &parent_parser : {std::ref(f_args)...}) {
for (const auto &argument : parent_parser.m_positional_arguments) {
auto it = m_positional_arguments.insert(

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@ -33,12 +33,13 @@ module;
#ifndef ARGPARSE_MODULE_USE_STD_MODULE
#include <argparse/argparse.hpp>
#endif
#endif
export module argparse;
#ifdef ARGPARSE_MODULE_USE_STD_MODULE
import std;
import std.compat;
extern "C++" {
#include <argparse/argparse.hpp>

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@ -23,6 +23,72 @@ TEST_CASE("Parse argument that is in the fixed number of allowed choices" *
program.parse_args({"test", "red"});
}
TEST_CASE("Parse argument that is in the fixed number of allowed choices, with "
"other positional argument" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("--input")
.default_value(std::string{"baz"})
.choices("foo", "bar", "baz");
program.add_argument("--value").scan<'i', int>().default_value(0);
REQUIRE_NOTHROW(
program.parse_args({"test", "--input", "foo", "--value", "1"}));
REQUIRE(program.get("--input") == "foo");
REQUIRE(program.get<int>("--value") == 1);
}
TEST_CASE(
"Parse nargs argument that is in the fixed number of allowed choices, with "
"other positional argument" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("--input")
.default_value(std::string{"baz"})
.choices("foo", "bar", "baz")
.nargs(2);
program.add_argument("--value").scan<'i', int>().default_value(0);
REQUIRE_NOTHROW(
program.parse_args({"test", "--input", "foo", "bar", "--value", "1"}));
REQUIRE((program.get<std::vector<std::string>>("--input") ==
std::vector<std::string>{"foo", "bar"}));
REQUIRE(program.get<int>("--value") == 1);
}
TEST_CASE("Parse argument that is in the fixed number of allowed choices, with "
"other positional argument (reversed)" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("--input")
.default_value(std::string{"baz"})
.choices("foo", "bar", "baz");
program.add_argument("--value").scan<'i', int>().default_value(0);
REQUIRE_NOTHROW(
program.parse_args({"test", "--value", "1", "--input", "foo"}));
REQUIRE(program.get("--input") == "foo");
REQUIRE(program.get<int>("--value") == 1);
}
TEST_CASE(
"Parse nargs argument that is in the fixed number of allowed choices, with "
"other positional argument (reversed)" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("--input")
.default_value(std::string{"baz"})
.choices("foo", "bar", "baz")
.nargs(2);
program.add_argument("--value").scan<'i', int>().default_value(0);
REQUIRE_NOTHROW(
program.parse_args({"test", "--value", "1", "--input", "foo", "bar"}));
REQUIRE((program.get<std::vector<std::string>>("--input") ==
std::vector<std::string>{"foo", "bar"}));
REQUIRE(program.get<int>("--value") == 1);
}
TEST_CASE("Parse argument that is in the fixed number of allowed choices, with "
"invalid default" *
test_suite("choices")) {
@ -88,4 +154,4 @@ TEST_CASE("Parse multiple arguments that are not in fixed number of allowed "
program.parse_args({"test", "6", "7"}),
"Invalid argument \"6\" - allowed options: {1, 2, 3, 4, 5}",
std::runtime_error);
}
}

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@ -1,27 +0,0 @@
#include <argparse/argparse.hpp>
#include <doctest.hpp>
using doctest::test_suite;
TEST_CASE("ArgumentParser is const-correct after construction and parsing" *
test_suite("value_semantics")) {
GIVEN("a parser") {
argparse::ArgumentParser parser("test");
parser.add_argument("--foo", "-f").help("I am foo");
parser.add_description("A description");
parser.add_epilog("An epilog");
WHEN("becomes const-qualified") {
parser.parse_args({"./main", "--foo", "baz"});
const auto const_parser = std::move(parser);
THEN("only const methods are accessible") {
REQUIRE(const_parser.help().str().size() > 0);
REQUIRE(const_parser.present<std::string>("--foo"));
REQUIRE(const_parser.is_used("-f"));
REQUIRE(const_parser.get("-f") == "baz");
REQUIRE(const_parser["-f"] == std::string("baz"));
}
}
}
}

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@ -1,96 +0,0 @@
#include <argparse/argparse.hpp>
#include <doctest.hpp>
using doctest::test_suite;
TEST_CASE("ArgumentParser is MoveConstructible and MoveAssignable" *
test_suite("value_semantics")) {
GIVEN("a parser that has two arguments") {
argparse::ArgumentParser parser("test");
parser.add_argument("foo");
parser.add_argument("-f");
WHEN("move construct a new parser from it") {
auto new_parser = std::move(parser);
THEN("the old parser replaces the new parser") {
new_parser.parse_args({"test", "bar", "-f", "nul"});
REQUIRE(new_parser.get("foo") == "bar");
REQUIRE(new_parser.get("-f") == "nul");
}
}
WHEN("move assign a parser prvalue to it") {
parser = argparse::ArgumentParser("test");
THEN("the old parser is replaced") {
REQUIRE_THROWS_AS(parser.parse_args({"test", "bar"}),
std::runtime_error);
REQUIRE_THROWS_AS(parser.parse_args({"test", "-f", "nul"}),
std::runtime_error);
REQUIRE_NOTHROW(parser.parse_args({"test"}));
}
}
}
}
TEST_CASE("ArgumentParser is CopyConstructible and CopyAssignable" *
test_suite("value_semantics")) {
GIVEN("a parser that has two arguments") {
argparse::ArgumentParser parser("test");
parser.add_argument("foo");
parser.add_argument("-f");
WHEN("copy construct a new parser from it") {
auto new_parser = parser;
THEN("the new parser has the old parser's capability") {
new_parser.parse_args({"test", "bar", "-f", "nul"});
REQUIRE(new_parser.get("foo") == "bar");
REQUIRE(new_parser.get("-f") == "nul");
AND_THEN("but does not share states with the old parser") {
REQUIRE_THROWS_AS(parser.get("foo"), std::logic_error);
REQUIRE_THROWS_AS(parser.get("-f"), std::logic_error);
}
}
AND_THEN("the old parser works as a distinct copy") {
new_parser.parse_args({"test", "toe", "-f", "/"});
REQUIRE(new_parser.get("foo") == "toe");
REQUIRE(new_parser.get("-f") == "/");
}
}
WHEN("copy assign a parser lvalue to it") {
argparse::ArgumentParser optional_parser("test");
optional_parser.add_argument("-g");
parser = optional_parser;
THEN("the old parser is replaced") {
REQUIRE_THROWS_AS(parser.parse_args({"test", "bar"}),
std::runtime_error);
REQUIRE_THROWS_AS(parser.parse_args({"test", "-f", "nul"}),
std::runtime_error);
REQUIRE_NOTHROW(parser.parse_args({"test"}));
REQUIRE_NOTHROW(parser.parse_args({"test", "-g", "nul"}));
AND_THEN("but does not share states with the other parser") {
REQUIRE(parser.get("-g") == "nul");
REQUIRE_THROWS_AS(optional_parser.get("-g"), std::logic_error);
}
}
AND_THEN("the other parser works as a distinct copy") {
REQUIRE_NOTHROW(optional_parser.parse_args({"test"}));
REQUIRE_NOTHROW(optional_parser.parse_args({"test", "-g", "nul"}));
REQUIRE_THROWS_AS(
optional_parser.parse_args({"test", "bar", "-g", "nul"}),
std::runtime_error);
}
}
}
}