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//
// This file is part of j4-dmenu-desktop.
//
// j4-dmenu-desktop is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// j4-dmenu-desktop is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with j4-dmenu-desktop. If not, see <http://www.gnu.org/licenses/>.
//
#include <catch2/catch_message.hpp>
#include <catch2/catch_test_macros.hpp>
#include <fmt/core.h>
#include <chrono>
#include <cstring>
#include <errno.h>
#include <exception>
#include <future>
#include <signal.h>
#include <stdexcept>
#include <stdint.h>
#include <stdlib.h>
#include <string>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>
#include <unistd.h>
#include "FSUtils.hh"
#include "I3Exec.hh"
#include "Utilities.hh"
// NOTE: Meaningful tests cannot be done on i3 IPC without i3 itself. The most
// important of i3 IPC implementation, I3Interface::exec(), requires manual
// testing.
using std::string;
#define SUCCESS_MESSAGE "[{\"success\":true}]"
// This is a simplified version that doesn't handle escaping.
static string construct_i3_message(const string &message) {
string result(14 + message.size(), '\0');
char *ptr = result.data();
std::memcpy(ptr, "i3-ipc", 6);
uint32_t length = message.size();
std::memcpy(ptr + 6, &length, 4);
std::memset(ptr + 10, 0, 4);
std::memcpy(ptr + 14, message.c_str(), message.size());
return result;
}
static string read_request_server(int sfd) {
int cfd = accept(sfd, NULL, NULL);
if (cfd == -1)
throw std::runtime_error((string) "accept: " + strerror(errno));
OnExit cfd_close = [cfd]() { close(cfd); };
char buf[512];
ssize_t size = read(cfd, buf, sizeof buf);
if (size == -1)
throw std::runtime_error((string) "read: " + strerror(errno));
string result = string(buf, size);
while ((size = recv(cfd, buf, sizeof buf, MSG_DONTWAIT)) > 0)
result.append(buf, size);
if (size == -1) {
if (errno != EAGAIN && errno != EWOULDBLOCK)
throw std::runtime_error((string) "read: " + strerror(errno));
}
string success_message = construct_i3_message(
string(SUCCESS_MESSAGE, sizeof SUCCESS_MESSAGE - 1));
if (writen(cfd, success_message.c_str(), success_message.size()) == -1)
throw std::runtime_error((string) "writen: " + strerror(errno));
return result;
}
static std::string path;
static void rmdir() {
if (!path.empty())
FSUtils::rmdir_recursive(path.c_str());
}
static struct sigaction old;
static void sighandler(int signal) {
rmdir();
sigaction(signal, &old, NULL);
raise(signal);
}
TEST_CASE("Test I3Exec", "[I3Exec]") {
char tmpdirname[] = "/tmp/j4dd-i3-unit-test-XXXXXX";
if (mkdtemp(tmpdirname) == NULL) {
SKIP("mkdtemp: " << strerror(errno));
}
path = tmpdirname;
// We want to make reaaaly sure that there will be no leftovers.
if (atexit(rmdir) == -1) {
WARN("atexit: " << strerror(errno));
}
std::set_terminate([]() {
rmdir();
abort();
});
struct sigaction act;
std::memset(&act, 0, sizeof(struct sigaction));
act.sa_handler = sighandler;
if (sigaction(SIGINT, &act, &old) == -1) {
WARN("sigaction: " << strerror(errno));
}
OnExit rmdir_handler = []() {
rmdir();
path.clear();
};
int sfd = socket(AF_UNIX, SOCK_STREAM, 0);
if (sfd == -1)
SKIP("socket: " << strerror(errno));
OnExit sfd_close = [sfd]() { close(sfd); };
struct sockaddr_un addr;
std::memset(&addr, 0, sizeof(struct sockaddr_un));
addr.sun_family = AF_UNIX;
fmt::format_to(addr.sun_path, "{}/socket", tmpdirname);
if (bind(sfd, (struct sockaddr *)&addr, sizeof(struct sockaddr_un)) == -1) {
SKIP("bind: " << strerror(errno));
}
if (listen(sfd, 2) == -1) {
SKIP("listen: " << strerror(errno));
}
auto result = std::async(std::launch::async, read_request_server, sfd);
I3Interface::exec("true", (string)tmpdirname + "/socket");
using namespace std::chrono_literals;
if (result.wait_for(2s) == std::future_status::timeout) {
FAIL("I3 dummy server is taking too long to respond!");
}
std::string query = result.get();
string check1 = construct_i3_message("exec true");
string check2 = construct_i3_message("exec \"true\"");
REQUIRE(!query.empty());
REQUIRE((query == check1 || query == check2));
}
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