public function testCanRequestKeyInSlowStorage()
{
$uri = $this->createMock('Psr\\Http\\Message\\UriInterface');
$uri->method('getPath')->willReturn('/foo/baz');
$uri->method('getQuery')->willReturn('');
$request = $this->createMock('Psr\\Http\\Message\\RequestInterface');
$request->method('getMethod')->willReturn('GET');
$request->method('getUri')->willReturn($uri);
$this->assertEquals('Hello World!', $this->chain->handle($request));
}
/**
* This approach by using a template method pattern ensures you that
* each subclass will not forget to call the successor
*
* @param RequestInterface $request
*
* @return string|null
*/
public final function handle(RequestInterface $request)
{
$processed = $this->processing($request);
if ($processed === null) {
// the request has not been processed by this handler => see the next
if ($this->successor !== null) {
$processed = $this->successor->handle($request);
}
}
return $processed;
}
/**
* @param array $data
* @param Handler|null $successor
*/
public function __construct(array $data, Handler $successor = null)
{
parent::__construct($successor);
$this->data = $data;
}