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455 lines (380 loc) · 12.3 KB
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/**
* License: Apache 2.0 with LLVM Exception or GPL v3
*
* Author: Jesse Laning
*/
#include <cmath>
#include <functional>
#include <iostream>
#include <string>
#include <unordered_map>
#include "argparse.h"
using namespace argparse;
struct result {
bool pass;
int line;
std::string condition;
std::string msg;
std::string test;
};
#define TASSERT(condition, msg) \
if (!(condition)) { \
return {false, __LINE__, #condition, msg, ""}; \
}
#define TEST(name, code, ...) \
result name(); \
result name() { \
const char* argv[] = {#name, ##__VA_ARGS__}; \
int argc = sizeof(argv) / sizeof(argv[0]); \
ArgumentParser parser(#name, #name); \
code; \
return {true, 0, "", "", ""}; \
}
TEST(
no_args, {
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
}, )
TEST(
short_optional_flag_exists,
{
parser.add_argument("-f", "a flag", false);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("f"), "flag not found")
},
"-f")
TEST(
short_optional_flag_does_not_exist, {
parser.add_argument("-f", "a flag", false);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(!parser.exists("f"), "flag found")
}, )
TEST(
short_required_flag_exists,
{
parser.add_argument("-f", "a flag", true);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("f"), "required flag not found")
},
"-f")
TEST(
short_required_flag_does_not_exist, {
parser.add_argument("-f", "a flag", true);
auto err = parser.parse(argc, argv);
TASSERT(err, err.what())
}, )
TEST(
long_optional_flag_exists,
{
parser.add_argument("--flag", "a flag", false);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("flag"), "flag not found")
},
"--flag")
TEST(
long_required_flag_exists,
{
parser.add_argument("--flag", "a flag", true);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("flag"), "required flag not found")
},
"--flag")
TEST(
long_required_flag_does_not_exist, {
parser.add_argument("--flag", "a flag", true);
auto err = parser.parse(argc, argv);
TASSERT(err, err.what())
}, )
TEST(
long_short_optional_flag_pair_exists,
{
parser.add_argument("-f", "--flag", "a flag", false);
parser.add_argument("-t", "--test", "a flag", false);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("flag"), "flag not found")
TASSERT(parser.exists("f"), "flag not found")
TASSERT(parser.exists("test"), "flag not found")
TASSERT(parser.exists("t"), "flag not found")
},
"--flag", "-t")
TEST(
short_combined_flags,
{
parser.add_argument("-f", "a flag", false);
parser.add_argument("-g", "a flag", false);
parser.add_argument("-i", "a flag", false);
parser.add_argument("-j", "a flag", false);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("f"), "f flag not found")
TASSERT(parser.exists("g"), "g flag not found")
TASSERT(parser.exists("i"), "f flag not found")
TASSERT(parser.exists("j"), "g flag not found")
},
"-fg", "-ji")
TEST(
vector_flag_empty,
{
parser.add_argument("-v", "a flag", false);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("v"), "flag not found")
auto v = parser.get<std::vector<int>>("v");
TASSERT(v.size() == 0, "wrong vector values")
},
"-v")
TEST(
vector_flag,
{
parser.add_argument("-v", "a flag", false);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("v"), "flag not found")
auto v = parser.get<std::vector<int>>("v");
TASSERT(v.size() == 5, "wrong vector values")
},
"-v", "1", "2", "3", "4", "5")
TEST(
short_and_vector_flag,
{
parser.add_argument("-v", "a flag", false);
parser.add_argument("-b", "a flag", false);
parser.add_argument("-f", "a flag", false);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("b"), "flag not found")
TASSERT(parser.exists("v"), "flag not found")
TASSERT(parser.exists("f"), "flag not found")
auto v = parser.get<std::vector<int>>("v");
TASSERT(v.size() == 5, "wrong vector values")
},
"-b", "0", "-v", "1", "2", "3", "4", "5", "-f", "6", "7", "8")
TEST(
short_help_flag,
{
parser.enable_help();
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("h"), "help not found")
parser.print_help();
},
"-h")
TEST(
long_help_flag,
{
parser.enable_help();
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("help"), "help not found")
parser.print_help();
},
"--help")
TEST(
flag_values,
{
parser.add_argument("-f", "--flag", "a flag", true);
parser.add_argument("-t", "--test", "a flag", true);
parser.add_argument("-g", "a flag", true);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.exists("flag"), "flag not found")
TASSERT(parser.get<int>("flag") == 2, "wrong flag value")
TASSERT(parser.exists("t"), "flag not found")
TASSERT(parser.get<int>("t") == 3, "wrong flag value")
TASSERT(parser.exists("g"), "flag not found")
TASSERT(std::abs(parser.get<double>("g") - 0.125) < 0.0000000001,
"wrong flag value")
},
"-f", "2", "--test", "3", "-g", "0.125")
TEST(
arg_count,
{
size_t c = 4;
parser.add_argument("-f", "--flag", "a flag", true)
.count(static_cast<int>(c));
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.get<std::vector<int>>("f").size() == c,
"Wrong vector count")
},
"-f", "a", "b", "1", "2")
TEST(
arg_count_more,
{
// This test should pass because it will treat the last argument as a
// free/positional argument
size_t c = 4;
parser.add_argument("-f", "--flag", "a flag", true)
.count(static_cast<int>(c));
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.get<std::vector<int>>("f").size() == c,
"Wrong vector count")
},
"-f", "a", "b", "1", "2", "3")
TEST(
arg_count_less,
{
size_t c = 4;
parser.add_argument("-f", "--flag", "a flag", true)
.count(static_cast<int>(c));
parser.add_argument("-b", "--bbbb", "a flag", true).count(1);
auto err = parser.parse(argc, argv);
TASSERT(err, err.what())
TASSERT(parser.get<std::vector<int>>("f").size() == c - 1 &&
parser.get<std::vector<int>>("b").size() == 0,
"Wrong vector count")
},
"-f", "a", "b", "1", "-b")
TEST(
arg_count_zero,
{
parser.add_argument("-f", "--flag", "a flag", true).count(0);
parser.add_argument("-b", "--bbbb", "a flag", true).count(0);
parser.add_argument("-c", "--cccc", "a flag", true).count(0);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.get<std::vector<int>>("f").size() == 0,
"Wrong vector count")
TASSERT(parser.get<std::vector<int>>("b").size() == 0,
"Wrong vector count")
TASSERT(parser.get<std::vector<int>>("c").size() == 0,
"Wrong vector count")
},
"-f", "a", "b", "1", "-b", "a", "-c")
TEST(
positional_argument_found,
{
parser.add_argument("-f", "--flag", "a flag", true).count(0);
parser.add_argument().name("--file").position(3);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.get<std::string>("file") == "myfile",
"Positional argument error")
},
"-f", "1", "2", "myfile", "asdf")
TEST(
positional_argument_not_found,
{
parser.add_argument("-f", "--flag", "a flag", true).count(0);
parser.add_argument().name("--file").position(3).required(true);
auto err = parser.parse(argc, argv);
TASSERT(err, err.what())
},
"-f", "1", "2")
TEST(
positional_argument_overrun,
{
parser.add_argument("-f", "--flag", "a flag", true).count(3);
parser.add_argument().name("--file").position(3).required(true);
auto err = parser.parse(argc, argv);
TASSERT(err, err.what())
},
"-f", "1", "2", "myfile", "asdf")
TEST(
positional_argument_last,
{
parser.add_argument("-f", "--flag", "a flag", true).count(1);
parser.add_argument()
.name("--file")
.position(ArgumentParser::Argument::Position::LAST)
.required(true);
auto err = parser.parse(argc, argv);
TASSERT(!err, err.what())
TASSERT(parser.get<std::string>("file") == "asdf",
"Positional argument error")
},
"-f", "1", "2", "myfile", "asdf")
TEST(
positional_argument_last_override,
{
parser.add_argument("-f", "--flag", "a flag", true).count(4);
parser.add_argument()
.name("--file")
.position(ArgumentParser::Argument::Position::LAST)
.required(true);
auto err = parser.parse(argc, argv);
TASSERT(err, err.what())
TASSERT(parser.get<std::string>("file") == "asdf",
"Positional argument error")
},
"-f", "1", "2", "myfile", "asdf")
#define TT(name) \
{ #name, name }
using test = std::function<result()>;
int main(int argc, const char* argv[]) {
std::unordered_map<std::string, test> tests{
TT(no_args),
TT(short_optional_flag_exists),
TT(short_optional_flag_does_not_exist),
TT(short_required_flag_exists),
TT(short_required_flag_does_not_exist),
TT(long_optional_flag_exists),
TT(long_short_optional_flag_pair_exists),
TT(short_combined_flags),
TT(vector_flag_empty),
TT(vector_flag),
TT(short_and_vector_flag),
TT(long_required_flag_exists),
TT(long_required_flag_does_not_exist),
TT(short_help_flag),
TT(long_help_flag),
TT(flag_values),
TT(arg_count),
TT(arg_count_more),
TT(arg_count_less),
TT(arg_count_zero),
TT(positional_argument_found),
TT(positional_argument_not_found),
TT(positional_argument_overrun),
TT(positional_argument_last),
TT(positional_argument_last_override)};
std::vector<result> results;
size_t passed = 0;
if (argc > 1) {
for (auto i = 1; i < argc; i++) {
auto t = tests.find(argv[i]);
if (t != tests.end()) {
std::cout << t->first << std::endl;
result r = t->second();
r.test = t->first;
if (!r.pass) {
std::cout << "***********************FAILURE***********************"
<< std::endl
<< "Line " << r.line << ": " << r.condition << std::endl
<< r.msg << std::endl
<< "*****************************************************"
<< std::endl
<< std::endl;
}
results.push_back(r);
passed += static_cast<size_t>(r.pass);
}
}
} else {
for (auto& t : tests) {
std::cout << t.first << std::endl;
result r = t.second();
r.test = t.first;
if (!r.pass) {
std::cout << "***********************FAILURE***********************"
<< std::endl
<< "Line " << r.line << ": " << r.condition << std::endl
<< r.msg << std::endl
<< "*****************************************************"
<< std::endl
<< std::endl;
}
results.push_back(r);
passed += static_cast<size_t>(r.pass);
}
}
std::cout << "Passed: " << passed << "/" << results.size() << std::endl;
return static_cast<int>(results.size() - passed);
}
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