fix tests

3rdParty/iresearch/core/utils/file_utils.hpp

@@ -29,7 +29,7 @@
 #include <functional>
 #include <fcntl.h> // open/_wopen
 
-#ifdef _WIN32  
+#ifdef _WIN32
   #include <tchar.h>
   #include <io.h> // _close
   #define file_blksize_t uint32_t // DWORD (same as GetDriveGeometry(...) DISK_GEOMETRY::BytesPerSector)
@@ -45,20 +45,21 @@
   #define file_stat _wstat64
 
   #define handle_cast(f) f
+  #define IR_WSTR(x) L ## x // cannot use _T(...) macro when _MBCS is defined
+  #define IR_DEVNULL IR_WSTR("NUL:")
 
   #define IR_FADVICE_NORMAL 0
   #define IR_FADVICE_SEQUENTIAL FILE_FLAG_SEQUENTIAL_SCAN
   #define IR_FADVICE_RANDOM FILE_FLAG_RANDOM_ACCESS
   #define IR_FADVICE_DONTNEED 0
   #define IR_FADVICE_NOREUSE 0
-  #define IR_WSTR(x) L ## x // cannot use _T(...) macro when _MBCS is defined
 #else
   #include <unistd.h> // close
   #include <sys/types.h> // for blksize_t
   #define file_blksize_t blksize_t
   #define file_path_delimiter '/'
   #define file_path_t char*
-  #define file_stat_t struct stat    
+  #define file_stat_t struct stat
 
   #define file_stat stat
   #define file_fstat fstat
@@ -67,6 +68,7 @@
   #define posix_close close
 
   #define handle_cast(f) static_cast<int>(reinterpret_cast<size_t>(f))
+  #define IR_DEVNULL "/dev/null"
 #ifndef __APPLE__
   #define IR_FADVICE_NORMAL POSIX_FADV_NORMAL
   #define IR_FADVICE_SEQUENTIAL POSIX_FADV_SEQUENTIAL

tests/IResearch/AgencyCommManagerMock.cpp

@@ -86,8 +86,8 @@ int EndpointMock::port() const {
 #ifndef _WIN32
   GeneralClientConnectionMock::GeneralClientConnectionMock()
     : GeneralClientConnection(&endpoint, 0, 0, 0),
-      nil(file_open((const file_path_t)nullptr, "rw")) {
-  _socket.fileDescriptor = file_no(nil.get()); // must be a readable/writable descriptor
+      nil(irs::file_utils::open(IR_DEVNULL, irs::file_utils::OpenMode::Write, 0)) {
+  _socket.fileDescriptor = handle_cast(nil.get()); // must be a readable/writable descriptor
   }
 #else
   GeneralClientConnectionMock::GeneralClientConnectionMock()