Merge remote-tracking branch 'MyIgel/rebuild-psr7'

8 files changed, 650 insertions, 0 deletions

diff --git a/tests/Unit/Http/MessageTraitRequestTest.php b/tests/Unit/Http/MessageTraitRequestTest.php
new file mode 100644
index 00000000..7430b5d7
--- /dev/null
+++ b/tests/Unit/Http/MessageTraitRequestTest.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Http;
+
+use Engelsystem\Test\Unit\Http\Stub\MessageTraitRequestImplementation;
+use PHPUnit\Framework\TestCase;
+use Zend\Diactoros\Stream;
+
+class MessageTraitRequestTest extends TestCase
+{
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::withProtocolVersion
+     */
+    public function testWithProtocolVersion()
+    {
+        $message = new MessageTraitRequestImplementation();
+        $newMessage = $message->withProtocolVersion('0.1');
+        $this->assertNotEquals($message, $newMessage);
+        $this->assertEquals('0.1', $newMessage->getProtocolVersion());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::getHeaders
+     */
+    public function testGetHeaders()
+    {
+        $message = new MessageTraitRequestImplementation();
+        $newMessage = $message->withHeader('lorem', 'ipsum');
+
+        $this->assertNotEquals($message, $newMessage);
+        $this->assertArraySubset(['lorem' => ['ipsum']], $newMessage->getHeaders());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::withBody
+     */
+    public function testWithBody()
+    {
+        /** @var Stream $stream */
+        $stream = new Stream('php://memory', 'wb+');
+        $stream->write('Test content');
+        $stream->rewind();
+
+        $message = new MessageTraitRequestImplementation();
+        $newMessage = $message->withBody($stream);
+
+        $this->assertNotEquals($message, $newMessage);
+        $this->assertEquals('Test content', $newMessage->getContent());
+    }
+}
diff --git a/tests/Unit/Http/MessageTraitResponseTest.php b/tests/Unit/Http/MessageTraitResponseTest.php
new file mode 100644
index 00000000..f60360a3
--- /dev/null
+++ b/tests/Unit/Http/MessageTraitResponseTest.php
@@ -0,0 +1,159 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Http;
+
+use Engelsystem\Test\Unit\Http\Stub\MessageTraitResponseImplementation;
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\MessageInterface;
+use Psr\Http\Message\StreamInterface;
+use Symfony\Component\HttpFoundation\Response as SymfonyResponse;
+use Zend\Diactoros\Stream;
+
+class MessageTraitResponseTest extends TestCase
+{
+    /**
+     * @covers \Engelsystem\Http\MessageTrait
+     */
+    public function testCreate()
+    {
+        $message = new MessageTraitResponseImplementation();
+        $this->assertInstanceOf(MessageInterface::class, $message);
+        $this->assertInstanceOf(SymfonyResponse::class, $message);
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::getProtocolVersion
+     * @covers \Engelsystem\Http\MessageTrait::withProtocolVersion
+     */
+    public function testGetProtocolVersion()
+    {
+        $message = new MessageTraitResponseImplementation();
+        $newMessage = $message->withProtocolVersion('0.1');
+        $this->assertNotEquals($message, $newMessage);
+        $this->assertEquals('0.1', $newMessage->getProtocolVersion());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::getHeaders
+     */
+    public function testGetHeaders()
+    {
+        $message = new MessageTraitResponseImplementation();
+        $newMessage = $message->withHeader('Foo', 'bar');
+
+        $this->assertNotEquals($message, $newMessage);
+        $this->assertArraySubset(['Foo' => ['bar']], $newMessage->getHeaders());
+
+        $newMessage = $message->withHeader('lorem', ['ipsum', 'dolor']);
+        $this->assertArraySubset(['lorem' => ['ipsum', 'dolor']], $newMessage->getHeaders());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::hasHeader
+     */
+    public function testHasHeader()
+    {
+        $message = new MessageTraitResponseImplementation();
+        $this->assertFalse($message->hasHeader('test'));
+
+        $newMessage = $message->withHeader('test', '12345');
+        $this->assertTrue($newMessage->hasHeader('Test'));
+        $this->assertTrue($newMessage->hasHeader('test'));
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::getHeader
+     */
+    public function testGetHeader()
+    {
+        $message = new MessageTraitResponseImplementation();
+        $newMessage = $message->withHeader('foo', 'bar');
+
+        $this->assertEquals(['bar'], $newMessage->getHeader('Foo'));
+        $this->assertEquals([], $newMessage->getHeader('LoremIpsum'));
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::getHeaderLine
+     */
+    public function testGetHeaderLine()
+    {
+        $message = new MessageTraitResponseImplementation();
+        $newMessage = $message->withHeader('foo', ['bar', 'bla']);
+
+        $this->assertEquals('', $newMessage->getHeaderLine('Lorem-Ipsum'));
+        $this->assertEquals('bar,bla', $newMessage->getHeaderLine('Foo'));
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::withHeader
+     */
+    public function testWithHeader()
+    {
+        $message = new MessageTraitResponseImplementation();
+        $newMessage = $message->withHeader('foo', 'bar');
+
+        $this->assertNotEquals($message, $newMessage);
+        $this->assertArraySubset(['foo' => ['bar']], $newMessage->getHeaders());
+
+        $newMessage = $newMessage->withHeader('Foo', ['lorem', 'ipsum']);
+        $this->assertArraySubset(['Foo' => ['lorem', 'ipsum']], $newMessage->getHeaders());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::withAddedHeader
+     */
+    public function testWithAddedHeader()
+    {
+        $message = new MessageTraitResponseImplementation();
+        $newMessage = $message->withHeader('foo', 'bar');
+
+        $this->assertNotEquals($message, $newMessage);
+        $this->assertArraySubset(['foo' => ['bar']], $newMessage->getHeaders());
+
+        $newMessage = $newMessage->withAddedHeader('Foo', ['lorem', 'ipsum']);
+        $this->assertArraySubset(['Foo' => ['bar', 'lorem', 'ipsum']], $newMessage->getHeaders());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::withoutHeader
+     */
+    public function testWithoutHeader()
+    {
+        $message = (new MessageTraitResponseImplementation())->withHeader('foo', 'bar');
+        $this->assertTrue($message->hasHeader('foo'));
+
+        $newMessage = $message->withoutHeader('Foo');
+        $this->assertNotEquals($message, $newMessage);
+        $this->assertFalse($newMessage->hasHeader('foo'));
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::getBody
+     */
+    public function testGetBody()
+    {
+        $message = (new MessageTraitResponseImplementation())->setContent('Foo bar!');
+        $body = $message->getBody();
+
+        $this->assertInstanceOf(StreamInterface::class, $body);
+        $this->assertEquals('Foo bar!', $body->getContents());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\MessageTrait::withBody
+     */
+    public function testWithBody()
+    {
+        /** @var Stream $stream */
+        $stream = new Stream('php://memory', 'wb+');
+        $stream->write('Test content');
+        $stream->rewind();
+
+        $message = new MessageTraitResponseImplementation();
+        $newMessage = $message->withBody($stream);
+
+        $this->assertNotEquals($message, $newMessage);
+        $this->assertEquals('Test content', $newMessage->getContent());
+    }
+}
diff --git a/tests/Unit/Http/Psr7ServiceProviderTest.php b/tests/Unit/Http/Psr7ServiceProviderTest.php
new file mode 100644
index 00000000..e14daf2a
--- /dev/null
+++ b/tests/Unit/Http/Psr7ServiceProviderTest.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Http;
+
+use Engelsystem\Http\Psr7ServiceProvider;
+use Engelsystem\Http\Request;
+use Engelsystem\Http\Response;
+use Engelsystem\Test\Unit\ServiceProviderTest;
+use PHPUnit_Framework_MockObject_MockObject as MockObject;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface as RequestInterface;
+use Symfony\Bridge\PsrHttpMessage\Factory\DiactorosFactory;
+
+class Psr7ServiceProviderTest extends ServiceProviderTest
+{
+    /**
+     * @covers \Engelsystem\Http\Psr7ServiceProvider::register()
+     */
+    public function testRegister()
+    {
+        /** @var MockObject|DiactorosFactory $psr7Factory */
+        $psr7Factory = $this->createMock(DiactorosFactory::class);
+        /** @var MockObject|Request $request */
+        $request = $this->createMock(Request::class);
+        /** @var MockObject|Response $response */
+        $response = $this->createMock(Response::class);
+        /** @var MockObject|RequestInterface $psr7request */
+        $psr7request = $this->createMock(Request::class);
+        /** @var MockObject|ResponseInterface $psr7response */
+        $psr7response = $this->createMock(Response::class);
+
+        $app = $this->getApp(['make', 'instance', 'get', 'bind']);
+        $this->setExpects($app, 'make', [DiactorosFactory::class], $psr7Factory);
+
+        $app->expects($this->atLeastOnce())
+            ->method('get')
+            ->withConsecutive(['request'], ['response'])
+            ->willReturnOnConsecutiveCalls($request, $response);
+        $app->expects($this->atLeastOnce())
+            ->method('instance')
+            ->withConsecutive(
+                ['psr7.factory', $psr7Factory],
+                ['psr7.request', $psr7request],
+                ['psr7.response', $psr7response]
+            );
+        $app->expects($this->atLeastOnce())
+            ->method('bind')
+            ->withConsecutive(
+                [RequestInterface::class, 'psr7.request'],
+                [ResponseInterface::class, 'psr7.response']
+            );
+
+        $serviceProvider = new Psr7ServiceProvider($app);
+        $serviceProvider->register();
+    }
+}
diff --git a/tests/Unit/Http/RequestTest.php b/tests/Unit/Http/RequestTest.php
index a68f8b8f..916aac35 100644
--- a/tests/Unit/Http/RequestTest.php
+++ b/tests/Unit/Http/RequestTest.php
@@ -5,10 +5,25 @@ namespace Engelsystem\Test\Unit\Http;
 use Engelsystem\Http\Request;
 use PHPUnit\Framework\TestCase;
 use PHPUnit_Framework_MockObject_MockObject as MockObject;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\UploadedFileInterface;
+use Psr\Http\Message\UriInterface;
+use Symfony\Component\HttpFoundation\File\UploadedFile as SymfonyFile;
+use Symfony\Component\HttpFoundation\Request as SymfonyRequest;
 
 class RequestTest extends TestCase
 {
     /**
+     * @covers \Engelsystem\Http\Request
+     */
+    public function testCreate()
+    {
+        $response = new Request();
+        $this->assertInstanceOf(SymfonyRequest::class, $response);
+        $this->assertInstanceOf(RequestInterface::class, $response);
+    }
+
+    /**
      * @covers \Engelsystem\Http\Request::postData
      */
     public function testPostData()
@@ -96,4 +111,272 @@ class RequestTest extends TestCase
         $this->assertEquals('http://foo.bar/bla/foo', $request->url());
         $this->assertEquals('https://lorem.ipsum/dolor/sit', $request->url());
     }
+
+    /**
+     * @covers \Engelsystem\Http\Request::getRequestTarget
+     */
+    public function testGetRequestTarget()
+    {
+        /** @var Request|MockObject $request */
+        $request = $this
+            ->getMockBuilder(Request::class)
+            ->setMethods(['getQueryString', 'path'])
+            ->getMock();
+
+        $request->expects($this->exactly(2))
+            ->method('getQueryString')
+            ->willReturnOnConsecutiveCalls(null, 'foo=bar&lorem=ipsum');
+        $request->expects($this->exactly(2))
+            ->method('path')
+            ->willReturn('foo/bar');
+
+        $this->assertEquals('/foo/bar', $request->getRequestTarget());
+        $this->assertEquals('/foo/bar?foo=bar&lorem=ipsum', $request->getRequestTarget());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::withRequestTarget
+     */
+    public function testWithRequestTarget()
+    {
+        $request = new Request();
+        foreach (
+            [
+                '*',
+                '/foo/bar',
+                'https://lorem.ipsum/test?lor=em'
+            ] as $target
+        ) {
+            $new = $request->withRequestTarget($target);
+            $this->assertNotEquals($request, $new);
+        }
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::withMethod
+     */
+    public function testWithMethod()
+    {
+        $request = new Request();
+
+        $new = $request->withMethod('PUT');
+
+        $this->assertNotEquals($request, $new);
+        $this->assertEquals('PUT', $new->getMethod());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::withUri
+     */
+    public function testWithUri()
+    {
+        /** @var UriInterface|MockObject $uri */
+        $uri = $this->getMockForAbstractClass(UriInterface::class);
+
+        $uri->expects($this->atLeastOnce())
+            ->method('__toString')
+            ->willReturn('http://foo.bar/bla?foo=bar');
+
+        $request = Request::create('http://lor.em/');
+
+        $new = $request->withUri($uri);
+        $this->assertNotEquals($request, $new);
+        $this->assertEquals('http://foo.bar/bla?foo=bar', (string)$new->getUri());
+
+        $new = $request->withUri($uri, true);
+        $this->assertEquals('http://lor.em/bla?foo=bar', (string)$new->getUri());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::getUri
+     */
+    public function testGetUri()
+    {
+        $request = Request::create('http://lor.em/test?bla=foo');
+
+        $uri = $request->getUri();
+        $this->assertInstanceOf(UriInterface::class, $uri);
+        $this->assertEquals('http://lor.em/test?bla=foo', (string)$uri);
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::getServerParams
+     */
+    public function testGetServerParams()
+    {
+        $server = ['foo' => 'bar'];
+        $request = new Request([], [], [], [], [], $server);
+
+        $this->assertEquals($server, $request->getServerParams());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::getCookieParams
+     */
+    public function testGetCookieParams()
+    {
+        $cookies = ['session' => 'LoremIpsumDolorSit'];
+        $request = new Request([], [], [], $cookies);
+
+        $this->assertEquals($cookies, $request->getCookieParams());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::withCookieParams
+     */
+    public function testWithCookieParams()
+    {
+        $cookies = ['lor' => 'em'];
+        $request = new Request();
+
+        $new = $request->withCookieParams($cookies);
+
+        $this->assertNotEquals($request, $new);
+        $this->assertEquals($cookies, $new->getCookieParams());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::getQueryParams
+     */
+    public function testGetQueryParams()
+    {
+        $params = ['foo' => 'baz'];
+        $request = new Request($params);
+
+        $this->assertEquals($params, $request->getQueryParams());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::withQueryParams
+     */
+    public function testWithQueryParams()
+    {
+        $params = ['test' => 'ing'];
+        $request = new Request();
+
+        $new = $request->withQueryParams($params);
+
+        $this->assertNotEquals($request, $new);
+        $this->assertEquals($params, $new->getQueryParams());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::getUploadedFiles
+     */
+    public function testGetUploadedFiles()
+    {
+        $filename = tempnam(sys_get_temp_dir(), 'test');
+        file_put_contents($filename, 'LoremIpsum!');
+        $files = [new SymfonyFile($filename, 'foo.html', 'text/html', 11)];
+        $request = new Request([], [], [], [], $files);
+
+        $uploadedFiles = $request->getUploadedFiles();
+        $this->assertNotEmpty($uploadedFiles);
+
+        /** @var UploadedFileInterface $file */
+        $file = $uploadedFiles[0];
+        $this->assertInstanceOf(UploadedFileInterface::class, $file);
+        $this->assertEquals('foo.html', $file->getClientFilename());
+        $this->assertEquals('text/html', $file->getClientMediaType());
+        $this->assertEquals(11, $file->getSize());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::withUploadedFiles
+     */
+    public function testWithUploadedFiles()
+    {
+        $filename = tempnam(sys_get_temp_dir(), 'test');
+        file_put_contents($filename, 'LoremIpsum!');
+        $file = new \Zend\Diactoros\UploadedFile($filename, 11, UPLOAD_ERR_OK, 'test.txt', 'text/plain');
+
+        $request = new Request();
+        $new = $request->withUploadedFiles([$file]);
+        $uploadedFiles = $new->getUploadedFiles();
+        $this->assertNotEquals($request, $new);
+        $this->assertNotEmpty($uploadedFiles);
+
+        /** @var UploadedFileInterface $file */
+        $file = $uploadedFiles[0];
+        $this->assertEquals('test.txt', $file->getClientFilename());
+        $this->assertEquals('text/plain', $file->getClientMediaType());
+        $this->assertEquals(11, $file->getSize());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::getParsedBody
+     */
+    public function testGetParsedBody()
+    {
+        $body = ['foo' => 'lorem'];
+        $request = new Request();
+        $request->request->add($body);
+
+        $this->assertEquals($body, $request->getParsedBody());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::withParsedBody
+     */
+    public function testWithParsedBody()
+    {
+        $data = ['test' => 'er'];
+        $request = new Request();
+
+        $new = $request->withParsedBody($data);
+
+        $this->assertNotEquals($request, $new);
+        $this->assertEquals($data, $new->getParsedBody());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::getAttributes
+     */
+    public function testGetAttributes()
+    {
+        $attributes = ['foo' => 'lorem', 'ipsum' => 'dolor'];
+        $request = new Request([], [], $attributes);
+
+        $this->assertEquals($attributes, $request->getAttributes());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::getAttribute
+     */
+    public function testGetAttribute()
+    {
+        $attributes = ['foo' => 'lorem', 'ipsum' => 'dolor'];
+        $request = new Request([], [], $attributes);
+
+        $this->assertEquals($attributes['ipsum'], $request->getAttribute('ipsum'));
+        $this->assertEquals(null, $request->getAttribute('dolor'));
+        $this->assertEquals(1234, $request->getAttribute('test', 1234));
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::withAttribute
+     */
+    public function testWithAttribute()
+    {
+        $request = new Request();
+
+        $new = $request->withAttribute('lorem', 'ipsum');
+
+        $this->assertNotEquals($request, $new);
+        $this->assertEquals('ipsum', $new->getAttribute('lorem'));
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Request::withoutAttribute
+     */
+    public function testWithoutAttribute()
+    {
+        $attributes = ['foo' => 'lorem', 'ipsum' => 'dolor'];
+        $request = new Request([], [], $attributes);
+
+        $new = $request->withoutAttribute('ipsum');
+
+        $this->assertNotEquals($request, $new);
+        $this->assertEquals(['foo' => 'lorem'], $new->getAttributes());
+    }
 }
diff --git a/tests/Unit/Http/ResponseServiceProviderTest.php b/tests/Unit/Http/ResponseServiceProviderTest.php
new file mode 100644
index 00000000..52e95714
--- /dev/null
+++ b/tests/Unit/Http/ResponseServiceProviderTest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Http;
+
+use Engelsystem\Http\Response;
+use Engelsystem\Http\ResponseServiceProvider;
+use Engelsystem\Test\Unit\ServiceProviderTest;
+use PHPUnit_Framework_MockObject_MockObject as MockObject;
+
+class ResponseServiceProviderTest extends ServiceProviderTest
+{
+    /**
+     * @covers \Engelsystem\Http\ResponseServiceProvider::register()
+     */
+    public function testRegister()
+    {
+        /** @var MockObject|Response $response */
+        $response = $this->getMockBuilder(Response::class)
+            ->getMock();
+
+        $app = $this->getApp();
+
+        $this->setExpects($app, 'make', [Response::class], $response);
+        $this->setExpects($app, 'instance', ['response', $response]);
+
+        $serviceProvider = new ResponseServiceProvider($app);
+        $serviceProvider->register();
+    }
+}
diff --git a/tests/Unit/Http/ResponseTest.php b/tests/Unit/Http/ResponseTest.php
new file mode 100644
index 00000000..f6c24767
--- /dev/null
+++ b/tests/Unit/Http/ResponseTest.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Http;
+
+use Engelsystem\Http\Response;
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\ResponseInterface;
+use Symfony\Component\HttpFoundation\Response as SymfonyResponse;
+
+class ResponseTest extends TestCase
+{
+    /**
+     * @covers \Engelsystem\Http\Response
+     */
+    public function testCreate()
+    {
+        $response = new Response();
+        $this->assertInstanceOf(SymfonyResponse::class, $response);
+        $this->assertInstanceOf(ResponseInterface::class, $response);
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Response::withStatus
+     * @covers \Engelsystem\Http\Response::getReasonPhrase
+     */
+    public function testWithStatus()
+    {
+        $response = new Response();
+        $newResponse = $response->withStatus(503);
+        $this->assertNotEquals($response, $newResponse);
+        $this->assertNotEquals('', $newResponse->getReasonPhrase());
+        $this->assertEquals(503, $newResponse->getStatusCode());
+
+        $newResponse = $response->withStatus(503, 'Foo');
+        $this->assertEquals('Foo', $newResponse->getReasonPhrase());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\Response::withContent
+     */
+    public function testWithContent()
+    {
+        $response = new Response();
+        $newResponse = $response->withContent('Lorem Ipsum?');
+
+        $this->assertNotEquals($response, $newResponse);
+        $this->assertEquals('Lorem Ipsum?', $newResponse->getContent());
+    }
+}
diff --git a/tests/Unit/Http/Stub/MessageTraitRequestImplementation.php b/tests/Unit/Http/Stub/MessageTraitRequestImplementation.php
new file mode 100644
index 00000000..04d08913
--- /dev/null
+++ b/tests/Unit/Http/Stub/MessageTraitRequestImplementation.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Http\Stub;
+
+use Engelsystem\Http\MessageTrait;
+use Psr\Http\Message\MessageInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+class MessageTraitRequestImplementation extends Request implements MessageInterface
+{
+    use MessageTrait;
+}
diff --git a/tests/Unit/Http/Stub/MessageTraitResponseImplementation.php b/tests/Unit/Http/Stub/MessageTraitResponseImplementation.php
new file mode 100644
index 00000000..2ec4b943
--- /dev/null
+++ b/tests/Unit/Http/Stub/MessageTraitResponseImplementation.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Http\Stub;
+
+use Engelsystem\Http\MessageTrait;
+use Psr\Http\Message\MessageInterface;
+use Symfony\Component\HttpFoundation\Response;
+
+class MessageTraitResponseImplementation extends Response implements MessageInterface
+{
+    use MessageTrait;
+}