Add InputHandlerTest

tests/Unit/InputHandlerTest.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Intervention\Image\Tests\Unit;
+
+use Intervention\Image\Drivers\Gd\Driver as GdDriver;
+use Intervention\Image\Drivers\Imagick\Driver as ImagickDriver;
+use Intervention\Image\Exceptions\DecoderException;
+use Intervention\Image\InputHandler;
+use Intervention\Image\Interfaces\ColorInterface;
+use Intervention\Image\Interfaces\ImageInterface;
+use Intervention\Image\Tests\BaseTestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\RequiresPhpExtension;
+
+#[RequiresPhpExtension('gd')]
+#[RequiresPhpExtension('imagick')]
+#[CoversClass(InputHandler::class)]
+class InputHandlerTest extends BaseTestCase
+{
+    #[DataProvider('testHandleProvider')]
+    public function testHandleDefaultDecoders(string $driver, mixed $input, string $outputClassname): void
+    {
+        $handler = new InputHandler(driver: new $driver());
+        if ($outputClassname === ImageInterface::class || $outputClassname === ColorInterface::class) {
+            $this->assertInstanceOf($outputClassname, $handler->handle($input));
+        } else {
+            $this->expectException($outputClassname);
+            $handler->handle($input);
+        }
+    }
+
+    public static function testHandleProvider(): array
+    {
+        $base = [
+            [null, DecoderException::class],
+            ['', DecoderException::class],
+            ['fff', ColorInterface::class],
+            ['rgba(0, 0, 0, 0)', ColorInterface::class],
+            ['cmyk(0, 0, 0, 0)', ColorInterface::class],
+            ['hsv(0, 0, 0)', ColorInterface::class],
+            ['hsl(0, 0, 0)', ColorInterface::class],
+            ['transparent', ColorInterface::class],
+            ['steelblue', ColorInterface::class],
+            [self::getTestResourcePath(), ImageInterface::class],
+            [file_get_contents(self::getTestResourcePath()), ImageInterface::class],
+        ];
+
+        $data = [];
+        $drivers = [GdDriver::class, ImagickDriver::class];
+        foreach ($drivers as $driver) {
+            foreach ($base as $line) {
+                array_unshift($line, $driver); // prepend driver
+                $data[] = $line;
+            }
+        }
+
+        return $data;
+    }
+}