split nihil into separate modules

1 files changed, 117 insertions, 0 deletions

diff --git a/nihil.posix/test_spawn.cc b/nihil.posix/test_spawn.cc
new file mode 100644
index 0000000..da321ff
--- /dev/null
+++ b/nihil.posix/test_spawn.cc
@@ -0,0 +1,117 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+#include <catch2/catch_test_macros.hpp>
+
+import nihil.posix;
+
+TEST_CASE("spawn: system", "[spawn]")
+{
+	using namespace nihil;
+
+	auto exec = shell("x=1; echo $x");
+	REQUIRE(exec);
+
+	auto output = std::string();
+	auto capture = make_capture(stdout_fileno, output);
+	REQUIRE(capture);
+
+	auto proc = spawn(*exec, *capture);
+	REQUIRE(proc);
+
+	auto status = std::move(*proc).wait();
+	REQUIRE(status);
+
+	REQUIRE(status->okay());
+	REQUIRE(output == "1\n");
+}
+
+TEST_CASE("spawn: execv", "[spawn]") {
+	using namespace nihil;
+
+	auto args = argv({"sh", "-c", "x=1; echo $x"});
+	auto exec = execv("/bin/sh", std::move(args));
+	REQUIRE(exec);
+
+	auto output = std::string();
+	auto capture = make_capture(stdout_fileno, output);
+	REQUIRE(capture);
+
+	auto proc = spawn(*exec, *capture);
+	REQUIRE(proc);
+
+	auto status = std::move(*proc).wait();
+	REQUIRE(status);
+
+	REQUIRE(status->okay());
+	REQUIRE(output == "1\n");
+}
+
+TEST_CASE("spawn: execvp", "[spawn]") {
+	using namespace nihil;
+
+	auto args = argv({"sh", "-c", "x=1; echo $x"});
+	auto exec = execvp("sh", std::move(args));
+	REQUIRE(exec);
+
+	auto output = std::string();
+	auto capture = make_capture(stdout_fileno, output);
+	REQUIRE(capture);
+
+	auto proc = spawn(*exec, *capture);
+	REQUIRE(proc);
+
+	auto status = std::move(*proc).wait();
+	REQUIRE(status);
+
+	REQUIRE(status->okay());
+	REQUIRE(output == "1\n");
+}
+
+TEST_CASE("spawn: execl", "[spawn]") {
+	using namespace nihil;
+
+	auto exec = execl("/bin/sh", "sh", "-c", "x=1; echo $x");
+	REQUIRE(exec);
+
+	auto output = std::string();
+	auto capture = make_capture(stdout_fileno, output);
+	REQUIRE(capture);
+
+	auto proc = spawn(*exec, *capture);
+	REQUIRE(proc);
+
+	auto status = std::move(*proc).wait();
+	REQUIRE(status);
+
+	REQUIRE(status->okay());
+	REQUIRE(output == "1\n");
+}
+
+TEST_CASE("spawn: execlp", "[spawn]") {
+	using namespace nihil;
+
+	auto exec = execlp("sh", "sh", "-c", "x=1; echo $x");
+	REQUIRE(exec);
+
+	auto output = std::string();
+	auto capture = make_capture(stdout_fileno, output);
+	REQUIRE(capture);
+
+	auto proc = spawn(*exec, *capture);
+	REQUIRE(proc);
+
+	auto status = std::move(*proc).wait();
+	REQUIRE(status);
+
+	REQUIRE(status->okay());
+	REQUIRE(output == "1\n");
+}
+
+TEST_CASE("spawn: execlp failure", "[spawn]") {
+	using namespace nihil;
+
+	auto exec = execlp("nihil_no_such_executable", "x");
+	REQUIRE(!exec);
+}