[TESTS] Raise test coverage for Link to 100%

tests/Entity/LinkTest.php

@@ -0,0 +1,36 @@
+<?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\Entity;
+
+use App\Entity\Link;
+use App\Util\GNUsocialTestCase;
+use Jchook\AssertThrows\AssertThrows;
+
+class LinkTest extends GNUsocialTestCase
+{
+    use AssertThrows;
+
+    public function testGetOrCreate()
+    {
+        static::assertThrows(\InvalidArgumentException::class, fn () => Link::getOrCreate('not a url'));
+        $link = Link::getOrCreate('https://gnu.org');
+        static::assertNotNull($link->getUrl());
+    }
+}