[TESTS] Raise App\Util\TemporaryFile test coverage to 100%

tests/Util/TemporaryFileTest.php

@@ -0,0 +1,48 @@
+<?php
+
+// {{{ License
+// This file is part of GNU social - https://www.gnu.org/software/social
+//
+// GNU social is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// GNU social 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
+// }}}
+
+namespace App\Tests\Util;
+
+use App\Util\Exception\TemporaryFileException;
+use App\Util\TemporaryFile;
+use Jchook\AssertThrows\AssertThrows;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+class TemporaryFileTest extends WebTestCase
+{
+    use AssertThrows;
+
+    public function testRegular()
+    {
+        $temp = new TemporaryFile();
+        static::assertNotNull($temp->getResource());
+        $filename = uniqid(sys_get_temp_dir() . '/');
+        $temp->commit($filename);
+        static::assertTrue(file_exists($filename));
+        @unlink($filename);
+    }
+
+    public function testError()
+    {
+        $temp     = new TemporaryFile();
+        $filename = $temp->getRealPath();
+        static::assertThrows(TemporaryFileException::class, fn () => $temp->commit($filename));
+        static::assertThrows(TemporaryFileException::class, fn () => $temp->commit('/root/cannot_write_here'));
+    }
+}