public function testObjectInterface()
{
$requestMethod = 'GET';
$requestUrl = 'https://marketplace.stg.walmartapis.com/v2/feeds?offset=0&limit=1';
$signatureObject = new Signature($this->consumerId, $this->privateKey, $requestUrl, $requestMethod);
$this->assertEquals($this->consumerId, $signatureObject->consumerId);
$this->assertEquals($this->privateKey, $signatureObject->privateKey);
$this->assertEquals($requestUrl, $signatureObject->requestUrl);
$this->assertEquals($requestMethod, $signatureObject->requestMethod);
$timestamp = '1462475614410';
$expected = 'IIeNSuFsBGpEQE7OWcprahLC8mk54ljlMFrKdRP2zo2Kil7t1knhb4+WmNq6sg1zZSOo9IjKwtu1eIgqM5Isf8UvcEQYV44ighfDBOLkDmqvc/BJRm6erZ5A/n5gbhIssnv8CtuQvQUdLTw0wAG0sW48CQW8CDTCaxlu2LaCCyw=';
$signatureString = $signatureObject->getSignature($timestamp);
$this->assertEquals($expected, $signatureString);
// test without providing timestamp to make sure it works without it
$actual = $signatureObject->getSignature();
$this->assertEquals(172, strlen($actual));
}
