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#ifdef WITH_MODULE
import argparse;
#else
#include <argparse/argparse.hpp>
#endif
#include <doctest.hpp>
using doctest::test_suite;
TEST_CASE("Parse argument that is provided zero choices" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
REQUIRE_THROWS_WITH_AS(program.add_argument("color").choices(),
"Zero choices provided", std::runtime_error);
}
TEST_CASE("Parse argument that is in the fixed number of allowed choices" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("color").choices("red", "green", "blue");
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")) {
argparse::ArgumentParser program("test");
program.add_argument("color").default_value("yellow").choices("red", "green",
"blue");
REQUIRE_THROWS_WITH_AS(
program.parse_args({"test"}),
"Invalid default value \"yellow\" - allowed options: {red, green, blue}",
std::runtime_error);
}
TEST_CASE("Parse invalid argument that is not in the fixed number of allowed "
"choices" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("color").choices("red", "green", "blue");
REQUIRE_THROWS_WITH_AS(
program.parse_args({"test", "red2"}),
"Invalid argument \"red2\" - allowed options: {red, green, blue}",
std::runtime_error);
}
TEST_CASE(
"Parse multiple arguments that are in the fixed number of allowed choices" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("color").nargs(2).choices("red", "green", "blue");
program.parse_args({"test", "red", "green"});
}
TEST_CASE("Parse multiple arguments one of which is not in the fixed number of "
"allowed choices" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("color").nargs(2).choices("red", "green", "blue");
REQUIRE_THROWS_WITH_AS(
program.parse_args({"test", "red", "green2"}),
"Invalid argument \"green2\" - allowed options: {red, green, blue}",
std::runtime_error);
}
TEST_CASE("Parse multiple arguments that are in the fixed number of allowed "
"INTEGER choices" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("indices").nargs(2).choices(1, 2, 3, 4, 5);
program.parse_args({"test", "1", "2"});
}
TEST_CASE("Parse multiple arguments that are not in fixed number of allowed "
"INTEGER choices" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("indices").nargs(2).choices(1, 2, 3, 4, 5);
REQUIRE_THROWS_WITH_AS(
program.parse_args({"test", "6", "7"}),
"Invalid argument \"6\" - allowed options: {1, 2, 3, 4, 5}",
std::runtime_error);
}
TEST_CASE("Parse multiple arguments that are in range of allowed "
"INTEGER choices (Min Range case)" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("indices").nargs(1, 3).choices(1, 2, 3, 4, 5);
REQUIRE_NOTHROW(program.parse_args({"test", "1"}));
REQUIRE(program.get<std::vector<std::string>>("indices") ==
std::vector<std::string>{"1"});
}
TEST_CASE("Parse multiple arguments that are in range of allowed choices (In "
"Range case)" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("--foo");
program.add_argument("--bar").nargs(1, 3).choices("a", "b", "c");
REQUIRE_NOTHROW(
program.parse_args({"test", "--bar", "a", "b", "--foo", "x"}));
REQUIRE(program.get<std::vector<std::string>>("--bar") ==
std::vector<std::string>{"a", "b"});
REQUIRE(program.get<std::string>("--foo") == "x");
}
TEST_CASE("Parse multiple arguments that are in range of allowed "
"INTEGER choices (Max Range case)" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("indices").nargs(2, 3).choices(1, 2, 3, 4, 5);
REQUIRE_NOTHROW(program.parse_args({"test", "3", "4", "5"}));
REQUIRE(program.get<std::vector<std::string>>("indices") ==
std::vector<std::string>{"3", "4", "5"});
}
TEST_CASE("Parse multiple arguments that are not in range of allowed choices" *
test_suite("choices")) {
argparse::ArgumentParser program("test");
program.add_argument("--foo");
program.add_argument("--bar").nargs(1, 3).choices("a", "b", "c");
REQUIRE_THROWS_WITH_AS(
program.parse_args({"test", "--bar", "d", "--foo", "x"}),
"Invalid argument \"d\" - allowed options: {a, b, c}",
std::runtime_error);
}
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