test: add database test case, router and CSRF tests

tests/RouterTest.php

@@ -0,0 +1,94 @@
+<?php
+
+namespace Bazaar\Tests;
+
+use Bazaar\Core\Request;
+use Bazaar\Core\Router;
+use PHPUnit\Framework\TestCase;
+
+final class RouterTest extends TestCase
+{
+    private function request(string $method, string $path): Request
+    {
+        return new Request($method, $path, [], [], []);
+    }
+
+    public function testMatchesStaticRoute(): void
+    {
+        $router = new Router();
+        $router->get('/products', ['CatalogController', 'index']);
+
+        $match = $router->match($this->request('GET', '/products'));
+
+        $this->assertTrue($match->found());
+        $this->assertSame(['CatalogController', 'index'], $match->handler);
+        $this->assertSame([], $match->params);
+    }
+
+    public function testExtractsNamedParameters(): void
+    {
+        $router = new Router();
+        $router->get('/products/{slug}', ['CatalogController', 'show']);
+
+        $match = $router->match($this->request('GET', '/products/walnut-cutting-board'));
+
+        $this->assertTrue($match->found());
+        $this->assertSame(['slug' => 'walnut-cutting-board'], $match->params);
+    }
+
+    public function testDoesNotBleedAcrossSlashes(): void
+    {
+        $router = new Router();
+        $router->get('/products/{slug}', ['CatalogController', 'show']);
+
+        $match = $router->match($this->request('GET', '/products/a/b'));
+
+        $this->assertFalse($match->found());
+        $this->assertSame(404, $match->status);
+    }
+
+    public function testMethodMismatchYields405(): void
+    {
+        $router = new Router();
+        $router->get('/checkout', ['CheckoutController', 'index']);
+
+        $match = $router->match($this->request('POST', '/checkout'));
+
+        $this->assertFalse($match->found());
+        $this->assertSame(405, $match->status);
+    }
+
+    public function testUnknownPathYields404(): void
+    {
+        $router = new Router();
+        $router->get('/', ['HomeController', 'index']);
+
+        $match = $router->match($this->request('GET', '/nope'));
+
+        $this->assertFalse($match->found());
+        $this->assertSame(404, $match->status);
+    }
+
+    public function testCarriesMiddleware(): void
+    {
+        $router = new Router();
+        $router->get('/admin', ['DashboardController', 'index'], ['admin']);
+
+        $match = $router->match($this->request('GET', '/admin'));
+
+        $this->assertSame(['admin'], $match->middleware);
+    }
+
+    public function testMethodSpecificOverlappingPaths(): void
+    {
+        $router = new Router();
+        $router->get('/cart', ['CartController', 'index']);
+        $router->post('/cart/add', ['CartController', 'add']);
+
+        $get = $router->match($this->request('GET', '/cart'));
+        $post = $router->match($this->request('POST', '/cart/add'));
+
+        $this->assertSame(['CartController', 'index'], $get->handler);
+        $this->assertSame(['CartController', 'add'], $post->handler);
+    }
+}