tests for pixel format support, see #1302

Dockerfile

@@ -11,13 +11,15 @@ FROM unit:php8.3 AS base
 RUN apt update && \
     apt upgrade -y && \
     apt install -y --no-install-recommends \
-    curl rsync imagemagick zip unzip libpq-dev libpng-dev libzip-dev && \
+    curl rsync imagemagick zip unzip libpq-dev libpng-dev libjpeg-dev libzip-dev libwebp-dev && \
     rm -rf /var/lib/apt/lists/*
 RUN pecl install redis-6.1.0 && docker-php-ext-enable redis
 RUN pecl install apcu-5.1.24 && docker-php-ext-enable apcu
 RUN apt-get update && apt-get install -y libmemcached-dev libssl-dev zlib1g-dev && \
     pecl install memcached-3.3.0 && docker-php-ext-enable memcached
-RUN docker-php-ext-install mysqli pgsql pdo pdo_mysql pdo_pgsql gd zip pcntl
+RUN docker-php-ext-configure gd --with-jpeg --with-webp && \
+    docker-php-ext-install gd
+RUN docker-php-ext-install mysqli pgsql pdo pdo_mysql pdo_pgsql zip pcntl
 
 # Install dev packages
 # Things which are only needed during development - Composer has 100MB of

ext/handle_pixel/test.php

@@ -4,6 +4,8 @@
 
 namespace Shimmie2;
 
+use PHPUnit\Framework\Attributes\DataProvider;
+
 class PixelFileHandlerTest extends ShimmiePHPUnitTestCase
 {
     public function testPixelHander(): void
@@ -17,4 +19,37 @@ public function testPixelHander(): void
         # FIXME: test that the thumb works
         # FIXME: test that it gets displayed properly
     }
+
+    /**
+     * @return array<array<string>>
+     */
+    public static function formatList(): array
+    {
+        return [
+            ["jpeg"],
+            ["png"],
+            ["gif"],
+        ];
+    }
+
+    #[DataProvider('formatList')]
+    public function testFormats(string $format): void
+    {
+        $tmp = shm_tempnam("test-format");
+        unlink($tmp);
+        $img = \Safe\imagecreatefromstring(\Safe\file_get_contents("tests/pbx_screenshot.jpg"));
+        ("image$format")($img, "$tmp.$format");
+
+        $image_id = $this->post_image("$tmp.$format", "pbx computer screenshot $format");
+        $page = $this->get_page("post/view/$image_id");
+        $this->assertEquals(200, $page->code);
+    }
+
+    public function tearDown(): void
+    {
+        parent::tearDown();
+        foreach (\Safe\glob("data/temp/test-format*") as $file) {
+            unlink($file);
+        }
+    }
 }