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#include <ctime>
#include <filesystem>
#include "childhelper.h"
#include "procmon.h"
#include "gmock/gmock-matchers.h"
#include "gtest/gtest.h"
namespace bpftrace::test::procmon {
using ::testing::HasSubstr;
TEST(procmon, no_such_proc)
{
try {
// NOLINTNEXTLINE(bugprone-unused-raii)
ProcMon(1 << 21);
FAIL();
} catch (const std::runtime_error &e) {
EXPECT_THAT(e.what(), HasSubstr("No such process"));
}
}
TEST(procmon, child_terminates)
{
std::error_code ec;
auto self = std::filesystem::read_symlink("/proc/self/exe", ec);
ASSERT_FALSE(ec);
auto parent_dir = self.parent_path();
auto out = parent_dir / std::filesystem::path("testprogs/true");
auto child = getChild(out.c_str());
auto procmon = std::make_unique<ProcMon>(child->pid());
EXPECT_TRUE(procmon->is_alive());
child->run();
wait_for(child.get(), 1000);
EXPECT_FALSE(child->is_alive());
EXPECT_FALSE(procmon->is_alive());
EXPECT_FALSE(procmon->is_alive());
}
} // namespace bpftrace::test::procmon
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