Improve Driver Specializing Process (#1315)

Streamline driver specializing process of analyzers, modifers, encoders and decoders.

tests/Unit/Drivers/Gd/Modifiers/TextModifierTest.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Intervention\Image\Tests\Unit\Drivers\Gd\Modifiers;
+
+use Intervention\Image\Drivers\Gd\Driver;
+use Intervention\Image\Drivers\Gd\Modifiers\TextModifier;
+use Intervention\Image\Geometry\Point;
+use Intervention\Image\Interfaces\ColorInterface;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\RequiresPhpExtension;
+use Intervention\Image\Tests\GdTestCase;
+use Intervention\Image\Typography\Font;
+
+#[RequiresPhpExtension('gd')]
+#[CoversClass(\Intervention\Image\Modifiers\TextModifier::class)]
+#[CoversClass(\Intervention\Image\Drivers\Gd\Modifiers\TextModifier::class)]
+final class TextModifierTest extends GdTestCase
+{
+    public function testTextColor(): void
+    {
+        $font = (new Font())->setColor('ff0055');
+
+        $modifier = new class ('test', new Point(), $font) extends TextModifier
+        {
+            public function test()
+            {
+                return $this->textColor();
+            }
+        };
+
+        $modifier->setDriver(new Driver());
+
+        $this->assertInstanceOf(ColorInterface::class, $modifier->test());
+    }
+}