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/*
* This source code is released into the public domain.
*/
#include <catch2/catch_test_macros.hpp>
import nihil.posix;
namespace {
SCENARIO("nihil::execlp() can be used to spawn a shell")
{
GIVEN("An execlp object")
{
auto exec = nihil::execlp("sh", "sh", "-c", "x=1; echo $x");
THEN("sh was found in $PATH")
{
if (!exec)
FAIL(exec.error());
}
WHEN("The shell is executed")
{
auto output = std::string();
auto capture = nihil::make_capture(nihil::stdout_fileno, output).value();
auto status = nihil::spawn(exec.value(), capture).value().wait().value();
THEN("The exit code is 0")
{
REQUIRE(status.status() == 0);
}
AND_THEN("The expected output was captured")
{
REQUIRE(output == "1\n");
}
}
}
}
SCENARIO("nihil::execlp() returns the shell's exit code")
{
GIVEN("An execlp object")
{
auto exec = nihil::execlp("sh", "sh", "-c", "x=42; exit $x");
THEN("sh was found in $PATH")
{
if (!exec)
FAIL(exec.error());
}
WHEN("The shell is executed")
{
auto output = std::string();
auto capture = nihil::make_capture(nihil::stdout_fileno, output).value();
auto status = nihil::spawn(exec.value(), capture).value().wait().value();
THEN("The exit code is 1")
{
REQUIRE(status.status() == 42);
}
}
}
}
} // anonymous namespace
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