Add test for ParsingMiddleware

test/ParsingMiddlewareTest.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Amp\Http\Server\FormParser\Test;
+
+use Amp\Http\Server\Driver\Client;
+use Amp\Http\Server\FormParser\Form;
+use Amp\Http\Server\FormParser\ParsingMiddleware;
+use Amp\Http\Server\Request;
+use Amp\Http\Server\RequestHandler\CallableRequestHandler;
+use Amp\PHPUnit\TestCase;
+use League\Uri;
+use function Amp\Http\Server\Middleware\stack;
+use function Amp\Promise\wait;
+
+class ParsingMiddlewareTest extends TestCase
+{
+    public function testWwwFormUrlencoded()
+    {
+        $callback = $this->createCallback(1);
+
+        $handler = stack(new CallableRequestHandler(function (Request $request) use ($callback) {
+            if ($request->hasAttribute(Form::class)) {
+                $callback();
+
+                $form = $request->getAttribute(Form::class);
+
+                $this->assertSame('bar', $form->getValue('foo'));
+                $this->assertSame('y', $form->getValue('x'));
+            }
+        }), new ParsingMiddleware);
+
+        $request = new Request($this->createMock(Client::class), 'GET', Uri\Http::createFromString('/'), [
+            'content-type' => 'application/x-www-form-urlencoded',
+        ], 'foo=bar&x=y');
+
+        wait($handler->handleRequest($request));
+    }
+
+    public function testNonForm()
+    {
+        $handler = stack(new CallableRequestHandler(function (Request $request) {
+            $this->assertTrue($request->hasAttribute(Form::class)); // attribute is set either way
+            $this->assertSame('{}', yield $request->getBody()->buffer());
+        }), new ParsingMiddleware);
+
+        $request = new Request($this->createMock(Client::class), 'GET', Uri\Http::createFromString('/'), [
+            'content-type' => 'application/json',
+        ], '{}');
+
+        wait($handler->handleRequest($request));
+    }
+}