feat: add image upload service

2026-07-06 18:36:34 -05:00
parent 6399e2d86c
commit c24964ff96
2 changed files with 132 additions and 0 deletions
@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BattleForge\Tests\Unit\Application;
+
+use BattleForge\Application\ImageUploadService;
+use PHPUnit\Framework\TestCase;
+
+final class ImageUploadServiceTest extends TestCase
+{
+    private string $tmpDir;
+
+    protected function setUp(): void
+    {
+        $this->tmpDir = sys_get_temp_dir() . '/bf-uploads-' . bin2hex(random_bytes(4));
+        mkdir($this->tmpDir, 0700, true);
+    }
+
+    protected function tearDown(): void
+    {
+        if (is_dir($this->tmpDir)) {
+            foreach (glob($this->tmpDir . '/*/*') as $file) {
+                unlink($file);
+            }
+            foreach (glob($this->tmpDir . '/*') as $dir) {
+                rmdir($dir);
+            }
+            rmdir($this->tmpDir);
+        }
+    }
+
+    public function testItStoresAValidImageAndReturnsAStableUrl(): void
+    {
+        $service = new ImageUploadService('user-token-1', $this->tmpDir);
+        $tmp = tempnam(sys_get_temp_dir(), 'bf-up');
+        file_put_contents($tmp, self::validPng(8, 8));
+
+        $url = $service->store($tmp, 'image/png');
+
+        self::assertStringStartsWith('/assets/user-token-1/', $url);
+        self::assertStringEndsWith('.png', $url);
+
+        $stored = $this->tmpDir . '/user-token-1/' . basename($url);
+        self::assertFileExists($stored);
+    }
+
+    public function testItCreatesTheUserNamespaceDirectory(): void
+    {
+        $service = new ImageUploadService('fresh-user', $this->tmpDir);
+        $tmp = tempnam(sys_get_temp_dir(), 'bf-up');
+        file_put_contents($tmp, self::validPng(8, 8));
+
+        $service->store($tmp, 'image/png');
+
+        self::assertDirectoryExists($this->tmpDir . '/fresh-user');
+    }
+
+    public function testItProducesUniqueFilenamesForRepeatedUploads(): void
+    {
+        $service = new ImageUploadService('user-token-2', $this->tmpDir);
+        $tmp1 = tempnam(sys_get_temp_dir(), 'bf-up');
+        $tmp2 = tempnam(sys_get_temp_dir(), 'bf-up');
+        file_put_contents($tmp1, self::validPng(8, 8));
+        file_put_contents($tmp2, self::validPng(8, 8));
+
+        $url1 = $service->store($tmp1, 'image/png');
+        $url2 = $service->store($tmp2, 'image/png');
+
+        self::assertNotSame($url1, $url2);
+    }
+
+    public function testItRejectsAnInvalidImage(): void
+    {
+        $service = new ImageUploadService('user-token-3', $this->tmpDir);
+        $tmp = tempnam(sys_get_temp_dir(), 'bf-up');
+        file_put_contents($tmp, 'not an image');
+
+        $this->expectException(\BattleForge\Application\InvalidImageException::class);
+        $service->store($tmp, 'image/png');
+    }
+
+    private static function validPng(int $width, int $height): string
+    {
+        if ($width === 8 && $height === 8) {
+            return base64_decode(
+                'iVBORw0KGgoAAAANSUhEUgAAAAgAAAAICAYAAADED76LAAAAFElEQVR4nGNgYGD4z0AswK' .
+                'EWBgYGRgYGBkYGRgAAB4nCH2AAAAAElFTkSuQmCC',
+                true,
+            );
+        }
+        throw new \InvalidArgumentException('Only 8x8 base PNG supported in tests.');
+    }
+}