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#include <uunit.h>
#include <argparser.h>
#include <iostream>
#include <string>
class ArgParserTest
: public uUnit
{
public:
ArgParserTest()
{
uTEST(ArgParserTest::test_zero);
uTEST(ArgParserTest::test_one);
uTEST(ArgParserTest::test_many);
uTEST(ArgParserTest::test_exceptional);
uTEST(ArgParserTest::test2);
}
void test_zero()
{
const char* argv[] = { "app-name" };
int argc = sizeof(argv)/sizeof(*argv);
arg::Parser<int> args;
auto res = args.parse(argc, argv);
uASSERT_EQUAL(0, res);
}
void test_one()
{
const char* argv[] = { "app-name", "-x", "42" };
int argc = sizeof(argv)/sizeof(*argv);
arg::Parser<int> args;
int x{};
args.add("-x", "--long-x",
std::function([&](int i){ x = i; return 0;}), "Help x");
auto res = args.parse(argc, argv);
uASSERT_EQUAL(0, res);
uASSERT_EQUAL(42, x);
}
void test_many()
{
const char* argv[] = { "app-name", "-x", "42", "-y", "7", "-z" };
int argc = sizeof(argv)/sizeof(*argv);
arg::Parser<int> args;
int x{};
int y{};
bool z{false};
args.add("-x", "--long-x",
std::function([&](int i){ x = i; return 0;}), "Help x");
args.add("-y", "--long-y",
std::function([&](int i){ y = i; return 0;}), "Help y");
args.add("-z", "--long-z",
std::function([&](){ z = true; return 0;}), "Help z");
auto res = args.parse(argc, argv);
uASSERT_EQUAL(0, res);
uASSERT_EQUAL(42, x);
uASSERT_EQUAL(7, y);
uASSERT_EQUAL(true, z);
}
void test_exceptional()
{
arg::Parser<int> args;
int x{};
int y{};
args.add("-x", "--long-x",
std::function([&](int i){ x = i; return 0;}), "Help x");
args.add("-y", "--long-y",
std::function([&](int i){ y = i; return 0;}), "Help y");
{ // Missing arg at trailing opt
const char* argv[] = { "app-name", "-x" };
int argc = sizeof(argv)/sizeof(*argv);
auto res = args.parse(argc, argv);
uASSERT_EQUAL(1, res);
}
{ // Missing arg before other opt
const char* argv[] = { "app-name", "-x", "-y" };
int argc = sizeof(argv)/sizeof(*argv);
auto res = args.parse(argc, argv);
uASSERT_EQUAL(1, res);
}
{ // Unknown arg
const char* argv[] = { "app-name", "-T" };
int argc = sizeof(argv)/sizeof(*argv);
auto res = args.parse(argc, argv);
uASSERT_EQUAL(1, res);
}
}
void test2()
{
const char* argv[] =
{
"app-name",
"-x",
"42"
};
int argc = sizeof(argv)/sizeof(*argv);
arg::Parser<int, std::optional<int>> args;
int x{};
args.add("-x", "--long-x",
std::function([&](int i){ x = i; return 0;}), "Help");
args.add("-X", "--opt-x",
std::function([](std::optional<int> i)
{
std::cout << "opt<int>: " << (i?std::to_string(*i):"none") << "\n";
return 0;
}),
"Helptext for -X,--opt-x");
auto res = args.parse(argc, argv);
uASSERT_EQUAL(0, res);
}
};
// Registers the fixture into the 'registry'
static ArgParserTest test;
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