Added tests for sqlite emulated functions

tests/Doctrine/SQLiteRegexExtensionTest.php

@@ -0,0 +1,92 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  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 <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Tests\Doctrine;
+
+use App\Doctrine\SQLiteRegexExtension;
+use PHPUnit\Framework\TestCase;
+
+class SQLiteRegexExtensionTest extends TestCase
+{
+
+    public function regexpDataProvider(): \Generator
+    {
+        yield [1, 'a', 'a'];
+        yield [0, 'a', 'b'];
+        yield [1, 'a', 'ba'];
+        yield [1, 'a', 'ab'];
+        yield [1, 'a', 'baa'];
+
+        yield [1, '^a$', 'a'];
+        yield [0, '^a$', 'ab'];
+        yield [1, '^a\d+$', 'a123'];
+    }
+
+    /**
+     * @dataProvider regexpDataProvider
+     */
+    public function testRegexp(int $expected, string $pattern, string $value): void
+    {
+        $this->assertSame($expected, SQLiteRegexExtension::regexp($pattern, $value));
+    }
+
+    public function fieldDataProvider(): \Generator
+    {
+        yield [
+            // Null cases
+            0, null, [],
+            0, null, [1],
+            0, 42, [1, 2],
+
+            // Ints
+            1, 1, [1],
+            1, 2, [2, 1],
+            2, 1, [2, 1],
+            2, 2, [2, 1, 2],
+            5, 3, [2, 1, 2, 1, 2, 3],
+            1, 2, [2, 1, 2, 1, 2, 1, 2, 1, 2, 1],
+
+            // Strings
+            1, 'a', ['a'],
+            1, 'b', ['b', 'a'],
+            2, 'a', ['b', 'a'],
+            2, 'b', ['b', 'a', 'b'],
+            5, 'c', ['b', 'a', 'b', 'a', 'b', 'c'],
+        ];
+    }
+
+    /**
+     * @dataProvider fieldDataProvider
+     */
+    public function testField(int $expected, string|int|null $value, array $array): void
+    {
+        $this->assertSame($expected, SQLiteRegexExtension::field($value, ...$array));
+    }
+
+    /**
+     * @dataProvider fieldDataProvider
+     */
+    public function testField2(int $expected, string|int|null $value, array $array): void
+    {
+        //Should be the same as field, but with the array comma imploded
+        $string = implode(',', $array);
+        $this->assertSame($expected, SQLiteRegexExtension::field2($value, $string));
+    }
+}