Add test case for special characters

Signed-off-by: Julius Härtl <jus@bitgrid.net>

tests/unit/Search/Query/AQueryParameterTest.php

@@ -0,0 +1,47 @@
+<?php
+/*
+ * @copyright Copyright (c) 2021 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program 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.
+ *
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+declare(strict_types=1);
+
+namespace OCA\Deck\Search\Query;
+
+use PHPUnit\Framework\TestCase;
+
+class AQueryParameterTest extends TestCase {
+	public function dataValue() {
+		return [
+			['foo', 'foo'],
+			['spätial character', 'spätial character'],
+			['"spätial character"', 'spätial character'],
+			['"spätial "character"', 'spätial "character'],
+			['"spätial 🐘"', 'spätial 🐘'],
+			['\'spätial character\'', '\'spätial character\''],
+		];
+	}
+
+	/** @dataProvider dataValue */
+	public function testValue($input, $expectedValue) {
+		$parameter = new StringQueryParameter('test', 0, $input);
+		$this->assertEquals($expectedValue, $parameter->getValue());
+	}
+}