Add ImageQuality class to hold quality values

tests/unit/Photo/ImageQualityTest.php

@@ -0,0 +1,49 @@
+<?php
+/*
+ * SPDX-FileCopyrightText: 2025 The Hubzilla Community
+ * SPDX-FileContributor: Harald Eilertsen <haraldei@anduin.net>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+namespace Zotlabs\Tests\Unit\Photo;
+
+use PHPUnit\Framework\Attributes\TestWith;
+use Zotlabs\Photo\ImageQuality;
+use Zotlabs\Tests\Unit\UnitTestCase;
+
+class ImageQualityTest extends UnitTestCase
+{
+	private const DEFAULT_VALUE = [
+		'image/jpg' => JPEG_QUALITY,
+		'image/png' => PNG_QUALITY,
+		'image/avif' => AVIF_QUALITY,
+		'image/webp' => WEBP_QUALITY,
+	];
+
+	#[TestWith(['image/jpg', 55])]
+	#[TestWith(['image/jpg', 100])]
+	#[TestWith(['image/png', 8])]
+	#[TestWith(['image/png', 0])]
+	#[TestWith(['image/avif', 99])]
+	#[TestWith(['image/webp', 1])]
+	public function testConstructWithValidValues(string $mimeType, int $value): void {
+		$q = new ImageQuality($mimeType, $value);
+		$this->assertEquals($value, $q->value);
+	}
+
+	#[TestWith(['image/jpg', 0])]
+	#[TestWith(['image/jpg', 101])]
+	#[TestWith(['image/png', -1])]
+	#[TestWith(['image/png', 11])]
+	#[TestWith(['image/avif', 0])]
+	#[TestWith(['image/avif', 101])]
+	#[TestWith(['image/webp', 0])]
+	#[TestWith(['image/webp', 101])]
+	public function testConstructWithOutOfBoundsValueReplacedWithDefault(
+		string $mimeType, int $value
+	): void {
+		$q = new ImageQuality($mimeType, $value);
+		$this->assertEquals(self::DEFAULT_VALUE[$mimeType], $q->value);
+	}
+}