Requests are considered immutable; all methods that might change state are
implemented such that they retain the internal state of the current
message and return a new instance that contains the changed state.
/**
* @group 39
*/
public function testGetHostHeaderLineReturnsNullIfUriDoesNotContainHost()
{
$request = new Request(new Uri());
$this->assertNull($request->getHeaderLine('host'));
}
/**
* @group 39
*/
public function testGetHostHeaderLinesReturnsEmptyArrayIfUriDoesNotContainHost()
{
$request = new Request(new Uri());
$header = $request->getHeaderLines('host');
$this->assertSame([], $header);
}
/**
* Build PSR Request.
*
* @return Psr\Http\Message\RequestInterface;
*/
public function getRequest()
{
// Handle path parameters.
$path_replacements = array();
foreach ($this->parameters['path'] as $name => $value) {
// We could coerce the value into a string, but it's not
// clearly defined how we should do it.
if (!is_scalar($value)) {
throw new \RuntimeException('Path parameter "' . $name . '" not scalar.');
}
$path_replacements['{' . $name . '}'] = $value;
}
$url = $this->endpoint . strtr(ltrim($this->path, '/'), $path_replacements);
// Handle query parameters.
$query = $this->buildQuery($this->parameters['query']);
$url = $url . '?' . $query;
// There can only be one body.
$body = reset($this->parameters['body']);
if (!is_string($body)) {
// Serialize if it's not a simple string.
$body = $this->serializer->serialize($body);
}
$request = new Request($url, $this->method, new Stream('php://memory', 'w'), array());
$request->getBody()->write($body);
return $request;
}
/**
* @param null|string|\Psr\Http\Message\UriInterface $uri The request uri.
* @param null|string $method The request method.
* @param string|resource|\Psr\Http\Message\StreamableInterface $body The request body.
* @param array $headers The request headers.
* @param array $parameters The request parameters.
*/
public function __construct($uri = null, $method = null, $body = 'php://memory', array $headers = array(), array $parameters = array())
{
parent::__construct($uri, $method, $body, $headers);
$this->parameters = $parameters;
}