Added more tests

tests/Services/LogSystem/LogDataFormatterTest.php

@@ -0,0 +1,133 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2026 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\Services\LogSystem;
+
+use App\Entity\LogSystem\AbstractLogEntry;
+use App\Services\LogSystem\LogDataFormatter;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+final class LogDataFormatterTest extends WebTestCase
+{
+    private static LogDataFormatter $service;
+    private static AbstractLogEntry $dummyLog;
+    private AbstractLogEntry $dummy;
+
+    public static function setUpBeforeClass(): void
+    {
+        self::bootKernel();
+        self::$service = self::getContainer()->get(LogDataFormatter::class);
+    }
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        // A mock is fine: $logEntry is only consulted for @id (foreign key) arrays
+        $this->dummy = $this->createMock(AbstractLogEntry::class);
+    }
+
+    public function testStringIsWrappedInQuoteSpans(): void
+    {
+        $result = self::$service->formatData('hello', $this->dummy, 'name');
+        $this->assertStringContainsString('"', $result);
+        $this->assertStringContainsString('hello', $result);
+    }
+
+    public function testStringSpecialCharsAreEscaped(): void
+    {
+        $result = self::$service->formatData('<script>', $this->dummy, 'name');
+        $this->assertStringNotContainsString('<script>', $result);
+        $this->assertStringContainsString('&lt;script&gt;', $result);
+    }
+
+    public function testNewlineInStringRendersAsSpan(): void
+    {
+        $result = self::$service->formatData("line1\nline2", $this->dummy, 'name');
+        $this->assertStringContainsString('\\n', $result);
+    }
+
+    public function testBoolTrueFormatsAsString(): void
+    {
+        $result = self::$service->formatData(true, $this->dummy, 'enabled');
+        $this->assertIsString($result);
+        $this->assertNotEmpty($result);
+    }
+
+    public function testBoolFalseFormatsAsString(): void
+    {
+        $result = self::$service->formatData(false, $this->dummy, 'enabled');
+        $this->assertIsString($result);
+        $this->assertNotEmpty($result);
+    }
+
+    public function testBoolTrueAndFalseProduceDifferentOutput(): void
+    {
+        $true = self::$service->formatData(true, $this->dummy, 'enabled');
+        $false = self::$service->formatData(false, $this->dummy, 'enabled');
+        $this->assertNotSame($true, $false);
+    }
+
+    public function testIntegerFormatsToItsStringRepresentation(): void
+    {
+        $result = self::$service->formatData(42, $this->dummy, 'count');
+        $this->assertSame('42', $result);
+    }
+
+    public function testFloatFormatsToItsStringRepresentation(): void
+    {
+        $result = self::$service->formatData(3.14, $this->dummy, 'price');
+        $this->assertSame('3.14', $result);
+    }
+
+    public function testNullFormatsAsItalicNull(): void
+    {
+        $result = self::$service->formatData(null, $this->dummy, 'field');
+        $this->assertSame('<i>null</i>', $result);
+    }
+
+    public function testDateTimeArrayFormatsToDateString(): void
+    {
+        $data = [
+            'date' => '2024-01-15 10:30:00.000000',
+            'timezone_type' => 3,
+            'timezone' => 'UTC',
+        ];
+        $result = self::$service->formatData($data, $this->dummy, 'created_at');
+        $this->assertIsString($result);
+        $this->assertNotEmpty($result);
+        // Should not be the JSON fallback
+        $this->assertStringNotContainsString('json-formatter', $result);
+    }
+
+    public function testPlainArrayFormatsAsJsonDiv(): void
+    {
+        $result = self::$service->formatData(['key' => 'value', 'num' => 1], $this->dummy, 'tags');
+        $this->assertStringContainsString('json-formatter', $result);
+    }
+
+    public function testUnsupportedTypeThrowsRuntimeException(): void
+    {
+        $this->expectException(\RuntimeException::class);
+        self::$service->formatData(new \stdClass(), $this->dummy, 'field');
+    }
+}