public function testRender()
{
$mockBody = $this->getMockBuilder('Psr\\Http\\Message\\StreamInterface')->disableOriginalConstructor()->getMock();
$mockResponse = $this->getMockBuilder('Psr\\Http\\Message\\ResponseInterface')->disableOriginalConstructor()->getMock();
$mockBody->expects($this->once())->method('write')->with("<p>Hello, my name is Matheus.</p>\n")->willReturn(34);
$mockResponse->expects($this->once())->method('getBody')->willReturn($mockBody);
$response = $this->view->render($mockResponse, 'hello.tpl', ['name' => 'Matheus']);
$this->assertInstanceOf('Psr\\Http\\Message\\ResponseInterface', $response);
}