### Changes

Fixes #3: Error on DBI when files or folders contains special characters.

### Additional changes
* Added unit and feature tests
* Fix file size display
* Run tests on CI/CD
* Publish docker image on release

www/tests/Feature/Tinfoil/IndexControllerTest.php

@@ -0,0 +1,70 @@
+<?php
+
+use Illuminate\Support\Facades\Storage;
+
+beforeEach(function () {
+    Storage::fake();
+});
+
+test('returns a JSON response with files and success keys', function () {
+    Storage::put('game.nsp', 'data');
+
+    $response = $this->get('/api/tinfoil');
+
+    $response->assertStatus(200);
+    $response->assertJsonStructure(['files', 'success']);
+});
+
+test('success value equals the application name', function () {
+    $response = $this->get('/api/tinfoil');
+
+    $response->assertJsonPath('success', config('app.name'));
+});
+
+test('returns an empty files array when there are no installable files', function () {
+    $response = $this->get('/api/tinfoil');
+
+    $response->assertJsonPath('files', []);
+});
+
+test('each file entry contains a url and a size', function () {
+    Storage::put('game.nsp', 'binary-content');
+
+    $response = $this->get('/api/tinfoil');
+
+    $response->assertJsonStructure(['files' => [['url', 'size']]]);
+});
+
+test('only includes files with supported Nintendo Switch extensions', function () {
+    Storage::put('game.nsp', 'data');
+    Storage::put('game.nsz', 'data');
+    Storage::put('game.xci', 'data');
+    Storage::put('game.xcz', 'data');
+    Storage::put('readme.txt', 'data');
+    Storage::put('cover.jpg', 'data');
+
+    $response = $this->get('/api/tinfoil');
+
+    $files = collect($response->json('files'));
+    expect($files)->toHaveCount(4);
+    expect($files->pluck('url')->every(fn ($url) => !str_ends_with($url, '.txt') && !str_ends_with($url, '.jpg')))->toBeTrue();
+});
+
+test('file url is an absolute URL', function () {
+    Storage::put('game.nsp', 'data');
+
+    $response = $this->get('/api/tinfoil');
+
+    $url = $response->json('files.0.url');
+    expect($url)->toStartWith('http');
+});
+
+test('file size matches the stored file size', function () {
+    $content = str_repeat('x', 1024);
+    Storage::put('game.nsp', $content);
+
+    $response = $this->get('/api/tinfoil');
+
+    $size = $response->json('files.0.size');
+    expect($size)->toBe(1024);
+});