public function testBodyMutatorReturnsCloneWithChanges()
{
$stream = $this->getMock('Psr\\Http\\Message\\StreamInterface');
$message = $this->message->withBody($stream);
$this->assertNotSame($this->message, $message);
$this->assertSame($stream, $message->getBody());
}
public function testWithBody()
{
$mockBody = Mockery::mock(StreamInterface::class);
$messageWithBody = $this->message->withBody($mockBody);
static::assertNull($this->message->getBody());
// return null
// The body MUST be a StreamInterface object.
static::assertNotSame($this->message, $messageWithBody);
// This method MUST be implemented in such a way as to retain the
// immutability of the message, and MUST return a new instance that has the
// new body stream.
static::assertInstanceOf(StreamInterface::class, $messageWithBody->getBody());
static::assertSame($mockBody, $messageWithBody->getBody());
}
/**
* {@inheritdoc}
*/
public function withBody(StreamInterface $body)
{
$new = clone $this;
$new->message = $this->message->withBody($body);
return $new;
}
