#include <doctest/doctest.h>

#include "fgc/Paths.h"

#include <cstdlib>

using namespace fgc;

TEST_CASE("expandUser expands ~ and environment variables") {
    setenv("HOME", "/home/tester", 1);
    setenv("FOO", "bar", 1);

    CHECK(paths::expandUser("~/x") == "/home/tester/x");
    CHECK(paths::expandUser("~") == "/home/tester");
    CHECK(paths::expandUser("$FOO/y") == "bar/y");
    CHECK(paths::expandUser("${FOO}z") == "barz");
    CHECK(paths::expandUser("/abs/path") == "/abs/path");
    CHECK(paths::expandUser("") == "");
}

TEST_CASE("configSearchPaths honours the CLI argument first") {
    auto p = paths::configSearchPaths("/explicit/config.ini");
    REQUIRE(!p.empty());
    CHECK(p.front() == "/explicit/config.ini");
}