first commit

tests/Media/MediaServiceInvalidMimeTest.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Media;
+
+use Netig\Netslim\Media\Application\MediaApplicationService;
+use Netig\Netslim\Media\Application\UseCase\DeleteMedia;
+use Netig\Netslim\Media\Application\UseCase\StoreMedia;
+use Netig\Netslim\Media\Contracts\MediaUsageReaderInterface;
+use Netig\Netslim\Media\Domain\Exception\InvalidMimeTypeException;
+use Netig\Netslim\Media\Domain\Repository\MediaRepositoryInterface;
+use Netig\Netslim\Media\Domain\Service\UploadedMediaInterface;
+use Netig\Netslim\Media\Infrastructure\LocalMediaStorage;
+use PHPUnit\Framework\TestCase;
+
+#[\PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations]
+final class MediaServiceInvalidMimeTest extends TestCase
+{
+    public function testRejectsNonImageContentEvenWithImageLikeFilename(): void
+    {
+        $repo = $this->createMock(MediaRepositoryInterface::class);
+        $mediaUsageReader = $this->createMock(MediaUsageReaderInterface::class);
+
+        $tmpFile = tempnam(sys_get_temp_dir(), 'upload_');
+        self::assertNotFalse($tmpFile);
+        file_put_contents($tmpFile, 'not an image');
+
+        $file = $this->createMock(UploadedMediaInterface::class);
+        $file->method('getSize')->willReturn(filesize($tmpFile));
+        $file->method('getTemporaryPath')->willReturn($tmpFile);
+
+        $storage = new LocalMediaStorage(sys_get_temp_dir());
+        $service = new MediaApplicationService($repo, $mediaUsageReader, new StoreMedia($repo, $storage, '/media', 500000), new DeleteMedia($repo, $storage));
+
+        try {
+            $this->expectException(InvalidMimeTypeException::class);
+            $service->store($file, 1);
+        } finally {
+            @unlink($tmpFile);
+        }
+    }
+}