gui/test: Extract temporary file creation to a separate file

src/gui/test/KeySequenceTests.cpp

@@ -15,6 +15,7 @@
 */
 
 #include "../src/KeySequence.h"
+#include "Utils.h"
 #include <gtest/gtest.h>
 #include <cstdio>
 
@@ -73,14 +74,7 @@ namespace {
         Qt::Key_Launch1,
         Qt::Key_Select,
     };
-
-    QString getTemporaryFilename()
-    {
-        QTemporaryFile temp_file;
-        temp_file.open();
-        return temp_file.fileName();
-    }
-}
+} // namespace
 
 class KeySequenceLoadSaveTestFixture :
         public ::testing::TestWithParam<std::tr1::tuple<Qt::Key, QSettings::Format>> {};

src/gui/test/Utils.h

@@ -0,0 +1,30 @@
+/*  barrier -- mouse and keyboard sharing utility
+    Copyright (C) 2021 Povilas Kanapickas <povilas@radix.lt>
+
+    This package is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License
+    found in the file LICENSE that should have accompanied this file.
+
+    This package 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef BARRIER_GUI_TEST_UTILS_H
+#define BARRIER_GUI_TEST_UTILS_H
+
+#include <QtCore/QFile>
+#include <QtCore/QTemporaryFile>
+
+inline QString getTemporaryFilename()
+{
+    QTemporaryFile temp_file;
+    temp_file.open();
+    return temp_file.fileName();
+}
+
+#endif // BARRIER_GUI_TEST_UTILS_H