[Minor] Add some tests

diff --git a/src/libutil/cxx/locked_file.cxx b/src/libutil/cxx/locked_file.cxx
index adac994681b8f0e5eaca359e6eb7ad9a9929c10d..cda05a6c3144d912b2e0eb775f583f5eb1bb2c88 100644 (file)
--- a/src/libutil/cxx/locked_file.cxx
+++ b/src/libutil/cxx/locked_file.cxx
@@ -167,4 +167,75 @@ raii_file_sink::raii_file_sink(raii_file_sink &&other) noexcept
 {
 }
 
+namespace tests {
+template<class T>
+static auto test_read_file(const T& f) {
+       auto fd = f.get_fd();
+       (void)::lseek(fd, 0, SEEK_SET);
+       std::string buf('\0', (std::size_t)f.get_size());
+       ::read(fd, buf.data(), buf.size());
+       return buf;
 }
+template<class T>
+static auto test_write_file(const T& f, const std::string_view &buf) {
+       auto fd = f.get_fd();
+       (void)::lseek(fd, 0, SEEK_SET);
+       return ::write(fd, buf.data(), buf.size());
+}
+auto random_fname() {
+       const auto *tmpdir = getenv("TMPDIR");
+       if (tmpdir == nullptr) {
+               tmpdir = G_DIR_SEPARATOR_S "tmp";
+       }
+
+       std::string out_fname{tmpdir};
+       out_fname += G_DIR_SEPARATOR_S;
+
+       unsigned char hexbuf[32];
+       rspamd_random_hex(hexbuf, sizeof(hexbuf));
+       out_fname.append((const char *)hexbuf, sizeof(hexbuf));
+
+       return out_fname;
+}
+TEST_SUITE("loked files utils") {
+
+TEST_CASE("create and delete file") {
+       auto fname = random_fname();
+       {
+               auto raii_locked_file = raii_locked_file::open(fname.c_str(), O_RDONLY);
+               CHECK(raii_locked_file.has_value());
+               CHECK(::access(fname.c_str(), R_OK) == 0);
+       }
+       // File must be deleted after this call
+       CHECK(::access(fname.c_str(), R_OK) == -1);
+       CHECK(errno == ENOENT);
+       // Create one more time
+       {
+               auto raii_locked_file = raii_locked_file::open(fname.c_str(), O_RDONLY);
+               CHECK(raii_locked_file.has_value());
+               CHECK(::access(fname.c_str(), R_OK) == 0);
+       }
+       CHECK(::access(fname.c_str(), R_OK) == -1);
+       CHECK(errno == ENOENT);
+}
+
+TEST_CASE("check lock") {
+       auto fname = random_fname();
+       {
+               auto raii_locked_file = raii_locked_file::open(fname.c_str(), O_RDONLY);
+               CHECK(raii_locked_file.has_value());
+               CHECK(::access(fname.c_str(), R_OK) == 0);
+               auto raii_locked_file2 = raii_locked_file::open(fname.c_str(), O_RDONLY);
+               CHECK(!raii_locked_file2.has_value());
+               CHECK(::access(fname.c_str(), R_OK) == 0);
+       }
+       // File must be deleted after this call
+       CHECK(::access(fname.c_str(), R_OK) == -1);
+       CHECK(errno == ENOENT);
+}
+
+} // TEST_SUITE
+
+} // namespace tests
+
+} // namespace rspamd::util