Update argparse.
Otherwise .choices doesn't work properly.
See https://github.com/p-ranav/argparse/issues/307
(cherry picked from commit 991b4299d6
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@ -30,11 +30,12 @@ SOFTWARE.
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*/
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#pragma once
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#include <cerrno>
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#ifndef ARGPARSE_MODULE_USE_STD_MODULE
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#include <algorithm>
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#include <any>
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#include <array>
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#include <cerrno>
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#include <charconv>
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#include <cstdlib>
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#include <functional>
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@ -657,7 +658,7 @@ public:
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}
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template <class F, class... Args>
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auto action(F &&callable, Args &&...bound_args)
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auto action(F &&callable, Args &&... bound_args)
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-> std::enable_if_t<std::is_invocable_v<F, Args..., std::string const>,
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Argument &> {
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using action_type = std::conditional_t<
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@ -783,7 +784,7 @@ public:
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}
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template <typename T, typename... U>
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Argument &choices(T &&first, U &&...rest) {
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Argument &choices(T &&first, U &&... rest) {
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add_choice(std::forward<T>(first));
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choices(std::forward<U>(rest)...);
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return *this;
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@ -845,8 +846,14 @@ public:
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if (m_choices.has_value()) {
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// Check each value in (start, end) and make sure
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// it is in the list of allowed choices/options
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std::size_t i = 0;
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auto max_number_of_args = m_num_args_range.get_max();
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for (auto it = start; it != end; ++it) {
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if (i == max_number_of_args) {
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break;
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}
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find_value_in_choices_or_throw(it);
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i += 1;
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}
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}
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@ -1546,7 +1553,7 @@ public:
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// Parameter packed add_parents method
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// Accepts a variadic number of ArgumentParser objects
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template <typename... Targs>
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ArgumentParser &add_parents(const Targs &...f_args) {
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ArgumentParser &add_parents(const Targs &... f_args) {
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for (const ArgumentParser &parent_parser : {std::ref(f_args)...}) {
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for (const auto &argument : parent_parser.m_positional_arguments) {
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auto it = m_positional_arguments.insert(
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@ -39,6 +39,7 @@ export module argparse;
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#ifdef ARGPARSE_MODULE_USE_STD_MODULE
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import std;
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import std.compat;
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extern "C++" {
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#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" *
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program.parse_args({"test", "red"});
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}
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TEST_CASE("Parse argument that is in the fixed number of allowed choices, with "
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"other positional argument" *
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test_suite("choices")) {
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argparse::ArgumentParser program("test");
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program.add_argument("--input")
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.default_value(std::string{"baz"})
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.choices("foo", "bar", "baz");
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program.add_argument("--value").scan<'i', int>().default_value(0);
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REQUIRE_NOTHROW(
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program.parse_args({"test", "--input", "foo", "--value", "1"}));
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REQUIRE(program.get("--input") == "foo");
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REQUIRE(program.get<int>("--value") == 1);
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}
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TEST_CASE(
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"Parse nargs argument that is in the fixed number of allowed choices, with "
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"other positional argument" *
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test_suite("choices")) {
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argparse::ArgumentParser program("test");
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program.add_argument("--input")
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.default_value(std::string{"baz"})
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.choices("foo", "bar", "baz")
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.nargs(2);
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program.add_argument("--value").scan<'i', int>().default_value(0);
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REQUIRE_NOTHROW(
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program.parse_args({"test", "--input", "foo", "bar", "--value", "1"}));
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REQUIRE((program.get<std::vector<std::string>>("--input") ==
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std::vector<std::string>{"foo", "bar"}));
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REQUIRE(program.get<int>("--value") == 1);
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}
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TEST_CASE("Parse argument that is in the fixed number of allowed choices, with "
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"other positional argument (reversed)" *
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test_suite("choices")) {
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argparse::ArgumentParser program("test");
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program.add_argument("--input")
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.default_value(std::string{"baz"})
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.choices("foo", "bar", "baz");
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program.add_argument("--value").scan<'i', int>().default_value(0);
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REQUIRE_NOTHROW(
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program.parse_args({"test", "--value", "1", "--input", "foo"}));
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REQUIRE(program.get("--input") == "foo");
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REQUIRE(program.get<int>("--value") == 1);
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}
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TEST_CASE(
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"Parse nargs argument that is in the fixed number of allowed choices, with "
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"other positional argument (reversed)" *
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test_suite("choices")) {
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argparse::ArgumentParser program("test");
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program.add_argument("--input")
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.default_value(std::string{"baz"})
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.choices("foo", "bar", "baz")
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.nargs(2);
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program.add_argument("--value").scan<'i', int>().default_value(0);
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REQUIRE_NOTHROW(
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program.parse_args({"test", "--value", "1", "--input", "foo", "bar"}));
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REQUIRE((program.get<std::vector<std::string>>("--input") ==
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std::vector<std::string>{"foo", "bar"}));
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REQUIRE(program.get<int>("--value") == 1);
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}
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TEST_CASE("Parse argument that is in the fixed number of allowed choices, with "
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"invalid default" *
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test_suite("choices")) {
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@ -1,27 +0,0 @@
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#include <argparse/argparse.hpp>
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#include <doctest.hpp>
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using doctest::test_suite;
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TEST_CASE("ArgumentParser is const-correct after construction and parsing" *
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test_suite("value_semantics")) {
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GIVEN("a parser") {
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argparse::ArgumentParser parser("test");
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parser.add_argument("--foo", "-f").help("I am foo");
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parser.add_description("A description");
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parser.add_epilog("An epilog");
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WHEN("becomes const-qualified") {
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parser.parse_args({"./main", "--foo", "baz"});
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const auto const_parser = std::move(parser);
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THEN("only const methods are accessible") {
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REQUIRE(const_parser.help().str().size() > 0);
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REQUIRE(const_parser.present<std::string>("--foo"));
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REQUIRE(const_parser.is_used("-f"));
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REQUIRE(const_parser.get("-f") == "baz");
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REQUIRE(const_parser["-f"] == std::string("baz"));
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}
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}
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}
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}
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@ -1,96 +0,0 @@
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#include <argparse/argparse.hpp>
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#include <doctest.hpp>
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using doctest::test_suite;
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TEST_CASE("ArgumentParser is MoveConstructible and MoveAssignable" *
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test_suite("value_semantics")) {
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GIVEN("a parser that has two arguments") {
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argparse::ArgumentParser parser("test");
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parser.add_argument("foo");
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parser.add_argument("-f");
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WHEN("move construct a new parser from it") {
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auto new_parser = std::move(parser);
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THEN("the old parser replaces the new parser") {
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new_parser.parse_args({"test", "bar", "-f", "nul"});
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REQUIRE(new_parser.get("foo") == "bar");
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REQUIRE(new_parser.get("-f") == "nul");
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}
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}
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WHEN("move assign a parser prvalue to it") {
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parser = argparse::ArgumentParser("test");
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THEN("the old parser is replaced") {
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REQUIRE_THROWS_AS(parser.parse_args({"test", "bar"}),
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std::runtime_error);
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REQUIRE_THROWS_AS(parser.parse_args({"test", "-f", "nul"}),
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std::runtime_error);
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REQUIRE_NOTHROW(parser.parse_args({"test"}));
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}
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}
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}
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}
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TEST_CASE("ArgumentParser is CopyConstructible and CopyAssignable" *
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test_suite("value_semantics")) {
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GIVEN("a parser that has two arguments") {
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argparse::ArgumentParser parser("test");
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parser.add_argument("foo");
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parser.add_argument("-f");
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WHEN("copy construct a new parser from it") {
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auto new_parser = parser;
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THEN("the new parser has the old parser's capability") {
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new_parser.parse_args({"test", "bar", "-f", "nul"});
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REQUIRE(new_parser.get("foo") == "bar");
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REQUIRE(new_parser.get("-f") == "nul");
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AND_THEN("but does not share states with the old parser") {
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REQUIRE_THROWS_AS(parser.get("foo"), std::logic_error);
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REQUIRE_THROWS_AS(parser.get("-f"), std::logic_error);
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}
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}
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AND_THEN("the old parser works as a distinct copy") {
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new_parser.parse_args({"test", "toe", "-f", "/"});
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REQUIRE(new_parser.get("foo") == "toe");
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REQUIRE(new_parser.get("-f") == "/");
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}
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}
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WHEN("copy assign a parser lvalue to it") {
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argparse::ArgumentParser optional_parser("test");
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optional_parser.add_argument("-g");
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parser = optional_parser;
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THEN("the old parser is replaced") {
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REQUIRE_THROWS_AS(parser.parse_args({"test", "bar"}),
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std::runtime_error);
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REQUIRE_THROWS_AS(parser.parse_args({"test", "-f", "nul"}),
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std::runtime_error);
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REQUIRE_NOTHROW(parser.parse_args({"test"}));
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REQUIRE_NOTHROW(parser.parse_args({"test", "-g", "nul"}));
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AND_THEN("but does not share states with the other parser") {
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REQUIRE(parser.get("-g") == "nul");
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REQUIRE_THROWS_AS(optional_parser.get("-g"), std::logic_error);
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}
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}
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AND_THEN("the other parser works as a distinct copy") {
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REQUIRE_NOTHROW(optional_parser.parse_args({"test"}));
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REQUIRE_NOTHROW(optional_parser.parse_args({"test", "-g", "nul"}));
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REQUIRE_THROWS_AS(
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optional_parser.parse_args({"test", "bar", "-g", "nul"}),
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std::runtime_error);
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}
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}
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}
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}
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