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<?php
/** PHPUnit_Framework_Constraint */
require_once 'PHPUnit/Framework/Constraint.php';
/**
* Response header PHPUnit Constraint
*
* @uses PHPUnit_Framework_Constraint
* @package Zend_Test
* @subpackage PHPUnit
* @copyright Copyright (C) 2008 - Present, Zend Technologies, Inc.
* @license New BSD {@link http://framework.zend.com/license/new-bsd}
*/
class Zend_Test_PHPUnit_Constraint_ResponseHeader extends PHPUnit_Framework_Constraint
{
/**#@+
* @const string Assertion type constants
*/
const ASSERT_RESPONSE_CODE = 'assertResponseCode';
const ASSERT_HEADER = 'assertHeader';
const ASSERT_HEADER_CONTAINS = 'assertHeaderContains';
const ASSERT_HEADER_REGEX = 'assertHeaderRegex';
/**#@-*/
/**
* Current assertion type
* @var string
*/
protected $_assertType = null;
/**
* Available assertion types
* @var array
*/
protected $_assertTypes = array(
self::ASSERT_RESPONSE_CODE,
self::ASSERT_HEADER,
self::ASSERT_HEADER_CONTAINS,
self::ASSERT_HEADER_REGEX,
);
/**
* @var int Response code
*/
protected $_code = 200;
/**
* @var string Header
*/
protected $_header = null;
/**
* @var string pattern against which to compare header content
*/
protected $_match = null;
/**
* Whether or not assertion is negated
* @var bool
*/
protected $_negate = false;
/**
* Constructor; setup constraint state
*
* @return void
*/
public function __construct()
{
}
/**
* Indicate negative match
*
* @param bool $flag
* @return void
*/
public function setNegate($flag = true)
{
$this->_negate = $flag;
}
/**
* Evaluate an object to see if it fits the constraints
*
* @param Zend_Controller_Response_Abstract $other String to examine
* @param null|string Assertion type
* @return bool
*/
public function evaluate($other, $assertType = null)
{
if (!$other instanceof Zend_Controller_Response_Abstract) {
require_once 'Zend/Test/PHPUnit/Constraint/Exception.php';
throw new Zend_Test_PHPUnit_Constraint_Exception('Header constraint assertions require a response object');
}
if (strstr($assertType, 'Not')) {
$this->setNegate(true);
$assertType = str_replace('Not', '', $assertType);
}
if (!in_array($assertType, $this->_assertTypes)) {
require_once 'Zend/Test/PHPUnit/Constraint/Exception.php';
throw new Zend_Test_PHPUnit_Constraint_Exception(sprintf('Invalid assertion type "%s" provided to %s constraint', $assertType, __CLASS__));
}
$this->_assertType = $assertType;
$response = $other;
$argv = func_get_args();
$argc = func_num_args();
switch ($assertType) {
case self::ASSERT_RESPONSE_CODE:
if (3 > $argc) {
require_once 'Zend/Test/PHPUnit/Constraint/Exception.php';
throw new Zend_Test_PHPUnit_Constraint_Exception('No response code provided against which to match');
}
$this->_code = $code = $argv[2];
return ($this->_negate)
? $this->_notCode($response, $code)
: $this->_code($response, $code);
case self::ASSERT_HEADER:
if (3 > $argc) {
require_once 'Zend/Test/PHPUnit/Constraint/Exception.php';
throw new Zend_Test_PHPUnit_Constraint_Exception('No header provided against which to match');
}
$this->_header = $header = $argv[2];
return ($this->_negate)
? $this->_notHeader($response, $header)
: $this->_header($response, $header);
case self::ASSERT_HEADER_CONTAINS:
if (4 > $argc) {
require_once 'Zend/Test/PHPUnit/Constraint/Exception.php';
throw new Zend_Test_PHPUnit_Constraint_Exception('Both a header name and content to match are required for ' . __FUNCTION__);
}
$this->_header = $header = $argv[2];
$this->_match = $match = $argv[3];
return ($this->_negate)
? $this->_notHeaderContains($response, $header, $match)
: $this->_headerContains($response, $header, $match);
case self::ASSERT_HEADER_REGEX:
if (4 > $argc) {
require_once 'Zend/Test/PHPUnit/Constraint/Exception.php';
throw new Zend_Test_PHPUnit_Constraint_Exception('Both a header name and content to match are required for ' . __FUNCTION__);
}
$this->_header = $header = $argv[2];
$this->_match = $match = $argv[3];
return ($this->_negate)
? $this->_notHeaderRegex($response, $header, $match)
: $this->_headerRegex($response, $header, $match);
default:
require_once 'Zend/Test/PHPUnit/Constraint/Exception.php';
throw new Zend_Test_PHPUnit_Constraint_Exception('Invalid assertion type ' . __FUNCTION__);
}
}
/**
* Report Failure
*
* @see PHPUnit_Framework_Constraint for implementation details
* @param mixed $other
* @param string $description Additional message to display
* @param bool $not
* @return void
* @throws PHPUnit_Framework_ExpectationFailedException
*/
public function fail($other, $description, $not = false)
{
require_once 'Zend/Test/PHPUnit/Constraint/Exception.php';
switch ($this->_assertType) {
case self::ASSERT_RESPONSE_CODE:
$failure = 'Failed asserting response code "%s"';
if ($this->_negate) {
$failure = 'Failed asserting response code IS NOT "%s"';
}
$failure = sprintf($failure, $this->_code);
break;
case self::ASSERT_HEADER:
$failure = 'Failed asserting response header "%s" found';
if ($this->_negate) {
$failure = 'Failed asserting response response header "%s" WAS NOT found';
}
$failure = sprintf($failure, $this->_header);
break;
case self::ASSERT_HEADER_CONTAINS:
$failure = 'Failed asserting response header "%s" exists and contains "%s"';
if ($this->_negate) {
$failure = 'Failed asserting response header "%s" DOES NOT CONTAIN "%s"';
}
$failure = sprintf($failure, $this->_header, $this->_match);
break;
case self::ASSERT_HEADER_REGEX:
$failure = 'Failed asserting response header "%s" exists and matches regex "%s"';
if ($this->_negate) {
$failure = 'Failed asserting response header "%s" DOES NOT MATCH regex "%s"';
}
$failure = sprintf($failure, $this->_header, $this->_match);
break;
default:
throw new Zend_Test_PHPUnit_Constraint_Exception('Invalid assertion type ' . __FUNCTION__);
}
if (!empty($description)) {
$failure = $description . "\n" . $failure;
}
throw new Zend_Test_PHPUnit_Constraint_Exception($failure);
}
/**
* Complete implementation
*
* @return string
*/
public function toString()
{
return '';
}
/**
* Compare response code for positive match
*
* @param Zend_Controller_Response_Abstract $response
* @param int $code
* @return bool
*/
protected function _code(Zend_Controller_Response_Abstract $response, $code)
{
$test = $this->_getCode($response);
return ($test == $code);
}
/**
* Compare response code for negative match
*
* @param Zend_Controller_Response_Abstract $response
* @param int $code
* @return bool
*/
protected function _notCode(Zend_Controller_Response_Abstract $response, $code)
{
$test = $this->_getCode($response);
return ($test != $code);
}
/**
* Retrieve response code
*
* @param Zend_Controller_Response_Abstract $response
* @return int
*/
protected function _getCode(Zend_Controller_Response_Abstract $response)
{
$test = $response->getHttpResponseCode();
if (null === $test) {
$test = 200;
}
return $test;
}
/**
* Positive check for response header presence
*
* @param Zend_Controller_Response_Abstract $response
* @param string $header
* @return bool
*/
protected function _header(Zend_Controller_Response_Abstract $response, $header)
{
return (null !== $this->_getHeader($response, $header));
}
/**
* Negative check for response header presence
*
* @param Zend_Controller_Response_Abstract $response
* @param string $header
* @return bool
*/
protected function _notHeader(Zend_Controller_Response_Abstract $response, $header)
{
return (null === $this->_getHeader($response, $header));
}
/**
* Retrieve response header
*
* @param Zend_Controller_Response_Abstract $response
* @param string $header
* @return string|null
*/
protected function _getHeader(Zend_Controller_Response_Abstract $response, $header)
{
$headers = $response->sendHeaders();
$header = strtolower($header);
if (array_key_exists($header, $headers)) {
return $headers[$header];
}
return null;
}
/**
* Positive check for header contents matching pattern
*
* @param Zend_Controller_Response_Abstract $response
* @param string $header
* @param string $match
* @return bool
*/
protected function _headerContains(Zend_Controller_Response_Abstract $response, $header, $match)
{
if (null === ($fullHeader = $this->_getHeader($response, $header))) {
return false;
}
$contents = str_replace($header . ': ', '', $fullHeader);
return (strstr($contents, $match));
}
/**
* Negative check for header contents matching pattern
*
* @param Zend_Controller_Response_Abstract $response
* @param string $header
* @param string $match
* @return bool
*/
protected function _notHeaderContains(Zend_Controller_Response_Abstract $response, $header, $match)
{
if (null === ($fullHeader = $this->_getHeader($response, $header))) {
return true;
}
$contents = str_replace($header . ': ', '', $fullHeader);
return (!strstr($contents, $match));
}
/**
* Positive check for header contents matching regex
*
* @param Zend_Controller_Response_Abstract $response
* @param string $header
* @param string $pattern
* @return bool
*/
protected function _headerRegex(Zend_Controller_Response_Abstract $response, $header, $pattern)
{
if (null === ($fullHeader = $this->_getHeader($response, $header))) {
return false;
}
$contents = str_replace($header . ': ', '', $fullHeader);
return preg_match($pattern, $contents);
}
/**
* Negative check for header contents matching regex
*
* @param Zend_Controller_Response_Abstract $response
* @param string $header
* @param string $pattern
* @return bool
*/
protected function _notHeaderRegex(Zend_Controller_Response_Abstract $response, $header, $pattern)
{
if (null === ($fullHeader = $this->_getHeader($response, $header))) {
return true;
}
$contents = str_replace($header . ': ', '', $fullHeader);
return !preg_match($pattern, $contents);
}
}