jetzt auch mit einheitstests

tests/Unit/PlaintextResponseTest.php

@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+use App\PlaintextResponse;
+
+covers(PlaintextResponse::class);
+test('it sets content-type to text/plain by default', function (): void {
+    $response = new PlaintextResponse('Hello, World!');
+
+    expect($response->headers->get('Content-Type'))->toBe('text/plain');
+});
+
+test('it allows custom content-type to be set', function (): void {
+    $response = new PlaintextResponse('Hello, World!', 200, [
+        'Content-Type' => 'application/json',
+    ]);
+
+    expect($response->headers->get('Content-Type'))->toBe('application/json');
+});
+
+test('it sets content correctly', function (): void {
+    $content = 'Hello, World!';
+    $response = new PlaintextResponse($content);
+
+    expect($response->getContent())->toBe($content);
+});
+
+test('it sets status code correctly', function (): void {
+    $status = 201;
+    $response = new PlaintextResponse('Hello, World!', $status);
+
+    expect($response->getStatusCode())->toBe($status);
+});
+
+test('it sets headers correctly', function (): void {
+    $headers = [
+        'X-Custom-Header' => 'Custom Value',
+        'X-Another-Header' => 'Another Value',
+    ];
+    $response = new PlaintextResponse('Hello, World!', 200, $headers);
+
+    foreach ($headers as $key => $value) {
+        expect($response->headers->get($key))->toBe($value);
+    }
+});
+
+test('it handles null content', function (): void {
+    $response = new PlaintextResponse(null);
+
+    expect($response->getContent())->toBe('');
+});
+
+test('it has correct defaultstatuscode', function (): void {
+    $response = new PlaintextResponse('Hello, World!');
+    expect($response->getStatusCode())->toBe(200);
+});