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733 lines (665 loc) · 20.2 KB
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<?php
namespace Codeception\Module;
use Codeception\Exception\Module;
use Codeception\Lib\Framework;
use Codeception\Lib\InnerBrowser;
use Symfony\Component\BrowserKit\Cookie;
/**
* Module for testing REST WebService.
*
* This module can be used either with frameworks or PHPBrowser.
* It tries to guess the framework is is attached to.
*
* Whether framework is used it operates via standard framework modules.
* Otherwise sends raw HTTP requests to url via PHPBrowser.
*
* ## Status
*
* * Maintainer: **tiger-seo**, **davert**
* * Stability: **stable**
* * Contact: codecept@davert.mail.ua
* * Contact: tiger.seo@gmail.com
*
* ## Configuration
*
* * url *optional* - the url of api
*
* This module requires PHPBrowser or any of Framework modules enabled.
*
* ### Example
*
* modules:
* enabled: [PhpBrowser, REST]
* config:
* PhpBrowser:
url: http://serviceapp/
* REST:
* url: 'http://serviceapp/api/v1/'
*
* ## Public Properties
*
* * headers - array of headers going to be sent.
* * params - array of sent data
* * response - last response (string)
*
*
*/
class REST extends \Codeception\Module
{
protected $config = array(
'url' => '',
'xdebug_remote' => false
);
/**
* @var \Symfony\Component\BrowserKit\Client
*/
public $client = null;
public $isFunctional = false;
protected $connectionModule;
public $headers = array();
public $params = array();
public $response = "";
public function _before(\Codeception\TestCase $test)
{
$this->prepareConnection();
$this->client = &$this->connectionModule->client;
$this->resetVariables();
if ($this->config['xdebug_remote']
&& function_exists('xdebug_is_enabled')
&& ini_get('xdebug.remote_enable')
&& !$this->isFunctional
) {
$cookie = new Cookie('XDEBUG_SESSION', $this->config['xdebug_remote'], null, '/');
$this->client->getCookieJar()->set($cookie);
}
}
protected function resetVariables()
{
$this->headers = array();
$this->params = array();
$this->response = "";
if ($this->client) {
$this->client->setServerParameters(array());
}
}
/**
* Sets HTTP header
*
* @param $name
* @param $value
*/
public function haveHttpHeader($name, $value)
{
$this->headers[$name] = $value;
}
/**
* Checks over the given HTTP header and (optionally)
* its value, asserting that are there
*
* @param $name
* @param $value
*/
public function seeHttpHeader($name, $value = null)
{
if ($value !== null) {
$this->assertEquals(
$this->client->getInternalResponse()->getHeader($name),
$value
);
return;
}
$this->assertNotNull($this->client->getInternalResponse()->getHeader($name));
}
/**
* Checks over the given HTTP header and (optionally)
* its value, asserting that are not there
*
* @param $name
* @param $value
*/
public function dontSeeHttpHeader($name, $value = null) {
if ($value !== null) {
$this->assertNotEquals(
$this->client->getInternalResponse()->getHeader($name),
$value
);
return;
}
$this->assertNull($this->client->getInternalResponse()->getHeader($name));
}
/**
* Checks that http response header is received only once.
* HTTP RFC2616 allows multiple response headers with the same name.
* You can check that you didn't accidentally sent the same header twice.
*
* ``` php
* <?php
* $I->seeHttpHeaderOnce('Cache-Control');
* ?>>
* ```
*
* @param $name
*/
public function seeHttpHeaderOnce($name)
{
$headers = $this->client->getInternalResponse()->getHeader($name, false);
$this->assertEquals(1, count($headers));
}
/**
* Returns the value of the specified header name
*
* @param $name
* @param Boolean $first Whether to return the first value or all header values
*
* @return string|array The first header value if $first is true, an array of values otherwise
*/
public function grabHttpHeader($name, $first = true) {
return $this->client->getInternalResponse()->getHeader($name, $first);
}
/**
* Adds HTTP authentication via username/password.
*
* @param $username
* @param $password
*/
public function amHttpAuthenticated($username, $password)
{
if ($this->isFunctional) {
$this->client->setServerParameter('PHP_AUTH_USER', $username);
$this->client->setServerParameter('PHP_AUTH_PW', $password);
} else {
$this->client->setAuth($username, $password);
}
}
/**
* Adds Digest authentication via username/password.
*
* @param $username
* @param $password
*/
public function amDigestAuthenticated($username, $password)
{
$this->client->setAuth($username, $password, CURLAUTH_DIGEST);
}
/**
* Adds Bearer authentication via access token.
*
* @param $accessToken
*/
public function amBearerAuthenticated($accessToken)
{
$this->haveHttpHeader('Authorization', 'Bearer '.$accessToken);
}
/**
* Sends a POST request to given uri.
*
* Parameters and files (as array of filenames) can be provided.
*
* @param $url
* @param array $params
* @param array $files
*/
public function sendPOST($url, $params = array(), $files = array())
{
$this->execute('POST', $url, $params, $files);
}
/**
* Sends a HEAD request to given uri.
*
* @param $url
* @param array $params
*/
public function sendHEAD($url, $params = array())
{
$this->execute('HEAD', $url, $params);
}
/**
* Sends an OPTIONS request to given uri.
*
* @param $url
* @param array $params
*/
public function sendOPTIONS($url, $params = array())
{
$this->execute('OPTIONS', $url, $params);
}
/**
* Sends a GET request to given uri.
*
* @param $url
* @param array $params
*/
public function sendGET($url, $params = array())
{
$this->execute('GET', $url, $params);
}
/**
* Sends PUT request to given uri.
*
* @param $url
* @param array $params
* @param array $files
*/
public function sendPUT($url, $params = array(), $files = array())
{
$this->execute('PUT', $url, $params, $files);
}
/**
* Sends PATCH request to given uri.
*
* @param $url
* @param array $params
* @param array $files
*/
public function sendPATCH($url, $params = array(), $files = array())
{
$this->execute('PATCH', $url, $params, $files);
}
/**
* Sends DELETE request to given uri.
*
* @param $url
* @param array $params
* @param array $files
*/
public function sendDELETE($url, $params = array(), $files = array())
{
$this->execute('DELETE', $url, $params, $files);
}
/**
* Sets Headers "Link" as one header "Link" based on linkEntries
*
* @param array $linkEntries (entry is array with keys "uri" and "link-param")
*
* @link http://tools.ietf.org/html/rfc2068#section-19.6.2.4
*
* @author samva.ua@gmail.com
*/
private function setHeaderLink(array $linkEntries)
{
$values = array();
foreach ($linkEntries as $linkEntry) {
\PHPUnit_Framework_Assert::assertArrayHasKey(
'uri',
$linkEntry,
'linkEntry should contain property "uri"'
);
\PHPUnit_Framework_Assert::assertArrayHasKey(
'link-param',
$linkEntry,
'linkEntry should contain property "link-param"'
);
$values[] = $linkEntry['uri'] . '; ' . $linkEntry['link-param'];
}
$this->headers['Link'] = join(', ', $values);
}
/**
* Sends LINK request to given uri.
*
* @param $url
* @param array $linkEntries (entry is array with keys "uri" and "link-param")
*
* @link http://tools.ietf.org/html/rfc2068#section-19.6.2.4
*
* @author samva.ua@gmail.com
*/
public function sendLINK($url, array $linkEntries)
{
$this->setHeaderLink($linkEntries);
$this->execute('LINK', $url);
}
/**
* Sends UNLINK request to given uri.
*
* @param $url
* @param array $linkEntries (entry is array with keys "uri" and "link-param")
* @link http://tools.ietf.org/html/rfc2068#section-19.6.2.4
* @author samva.ua@gmail.com
*/
public function sendUNLINK($url, array $linkEntries)
{
$this->setHeaderLink($linkEntries);
$this->execute('UNLINK', $url);
}
protected function execute($method = 'GET', $url, $parameters = array(), $files = array())
{
foreach ($this->headers as $header => $val) {
$header = str_replace('-','_',strtoupper($header));
$this->client->setServerParameter("HTTP_$header", $val);
# Issue #827 - symfony foundation requires 'CONTENT_TYPE' without HTTP_
if ($this->isFunctional and $header == 'CONTENT_TYPE') {
$this->client->setServerParameter($header, $val);
}
}
// allow full url to be requested
$url = (strpos($url, '://') === false ? $this->config['url'] : '') . $url;
$parameters = $this->encodeApplicationJson($method, $parameters);
if (is_array($parameters) || $method == 'GET') {
if (!empty($parameters) && $method == 'GET') {
$url .= '?' . http_build_query($parameters);
}
if($method == 'GET') {
$this->debugSection("Request", "$method $url");
} else {
$this->debugSection("Request", "$method $url ".json_encode($parameters));
}
$this->client->request($method, $url, $parameters, $files);
} else {
$this->debugSection("Request", "$method $url " . $parameters);
$this->client->request($method, $url, array(), $files, array(), $parameters);
}
$this->response = (string)$this->client->getInternalResponse()->getContent();
$this->debugSection("Response", $this->response);
if (count($this->client->getInternalRequest()->getCookies())) {
$this->debugSection('Cookies', $this->client->getInternalRequest()->getCookies());
}
$this->debugSection("Headers", $this->client->getInternalResponse()->getHeaders());
$this->debugSection("Status", $this->client->getInternalResponse()->getStatus());
}
protected function encodeApplicationJson($method, $parameters)
{
if (is_array($parameters) || $parameters instanceof \ArrayAccess) {
$parameters = $this->scalarizeArray($parameters);
if (array_key_exists('Content-Type', $this->headers)
&& $this->headers['Content-Type'] === 'application/json'
&& $method != 'GET'
) {
return json_encode($parameters);
}
}
return $parameters;
}
/**
* Checks whether last response was valid JSON.
* This is done with json_last_error function.
*
*/
public function seeResponseIsJson()
{
json_decode($this->response);
\PHPUnit_Framework_Assert::assertEquals(
0,
$num = json_last_error(),
"json decoding error #$num, see http://php.net/manual/en/function.json-last-error.php"
);
}
/**
* Checks whether last response was valid XML.
* This is done with libxml_get_last_error function.
*
*/
public function seeResponseIsXml()
{
libxml_use_internal_errors(true);
$doc = simplexml_load_string($this->response);
$num="";
$title="";
if ($doc===false) {
$error = libxml_get_last_error();
$num=$error->code;
$title=trim($error->message);
libxml_clear_errors();
}
libxml_use_internal_errors(false);
\PHPUnit_Framework_Assert::assertNotSame(false,
$doc ,
"xml decoding error #$num with message \"$title\", see http://www.xmlsoft.org/html/libxml-xmlerror.html"
);
}
/**
* Checks whether the last response contains text.
*
* @param $text
*/
public function seeResponseContains($text)
{
\PHPUnit_Framework_Assert::assertContains($text, $this->response, "REST response contains");
}
/**
* Checks whether last response do not contain text.
*
* @param $text
*/
public function dontSeeResponseContains($text)
{
\PHPUnit_Framework_Assert::assertNotContains($text, $this->response, "REST response contains");
}
/**
* Checks whether the last JSON response contains provided array.
* The response is converted to array with json_decode($response, true)
* Thus, JSON is represented by associative array.
* This method matches that response array contains provided array.
*
* Examples:
*
* ``` php
* <?php
* // response: {name: john, email: john@gmail.com}
* $I->seeResponseContainsJson(array('name' => 'john'));
*
* // response {user: john, profile: { email: john@gmail.com }}
* $I->seeResponseContainsJson(array('email' => 'john@gmail.com'));
*
* ?>
* ```
*
* This method recursively checks if one array can be found inside of another.
*
* @param array $json
*/
public function seeResponseContainsJson($json = array())
{
$resp_json = json_decode($this->response, true);
\PHPUnit_Framework_Assert::assertTrue(
$this->arrayHasArray($json, $resp_json),
"Response JSON contains provided\n"
."- <info>".var_export($json, true)."</info>\n"
."+ ".var_export($resp_json, true)
);
}
/**
* Returns current response so that it can be used in next scenario steps.
*
* Example:
*
* ``` php
* <?php
* $user_id = $I->grabResponse();
* $I->sendPUT('/user', array('id' => $user_id, 'name' => 'davert'));
* ?>
* ```
*
* @version 1.1
* @return string
*/
public function grabResponse()
{
return $this->response;
}
/**
* Returns data from the current JSON response using specified path
* so that it can be used in next scenario steps
*
* Example:
*
* ``` php
* <?php
* $user_id = $I->grabDataFromJsonResponse('user.user_id');
* $I->sendPUT('/user', array('id' => $user_id, 'name' => 'davert'));
* ?>
* ```
*
* @param string $path
*
* @since 1.1.2
* @return string
*
* @author tiger.seo@gmail.com
*/
public function grabDataFromJsonResponse($path = '')
{
$data = $response = json_decode($this->response, true);
if (json_last_error() !== JSON_ERROR_NONE) {
$this->fail('Response is not of JSON format or is malformed');
$this->debugSection('Response', $this->response);
}
if ($path === '') {
return $data;
}
foreach (explode('.', $path) as $key) {
if (!is_array($data) || !array_key_exists($key, $data)) {
$this->fail('Response does not have required data');
$this->debugSection('Response', $response);
}
$data = $data[$key];
}
return $data;
}
/**
* Opposite to seeResponseContainsJson
*
* @param array $json
*/
public function dontSeeResponseContainsJson($json = array())
{
$resp_json = json_decode($this->response, true);
\PHPUnit_Framework_Assert::assertFalse(
$this->arrayHasArray($json, $resp_json),
"Response JSON does not contain JSON provided\n"
."- <info>".var_export($json, true)."</info>\n"
."+ ".var_export($resp_json, true)
);
}
/**
* Checks if response is exactly the same as provided.
*
* @param $response
*/
public function seeResponseEquals($response)
{
$this->assertEquals($response, $this->response);
}
/**
* Checks response code equals to provided value.
*
* @param $code
*/
public function seeResponseCodeIs($code)
{
$this->assertEquals($code, $this->client->getInternalResponse()->getStatus());
}
/**
* Checks that response code is not equal to provided value.
*
* @param $code
*/
public function dontSeeResponseCodeIs($code)
{
$this->assertNotEquals($code, $this->client->getInternalResponse()->getStatus());
}
protected function prepareConnection()
{
if ($this->connectionModule) {
return;
}
foreach ($this->getModules() as $module) {
if ($module instanceof InnerBrowser) {
$this->connectionModule = $module;
break;
}
}
if (!$this->connectionModule) {
throw new Module(__CLASS__, "Provide either PHPBrowser or one of Framework modules to be able to send REST requests");
}
if ($this->connectionModule instanceof Framework) {
$this->isFunctional = true;
}
}
/**
* @author nleippe@integr8ted.com
* @author tiger.seo@gmail.com
* @link http://www.php.net/manual/en/function.array-intersect-assoc.php#39822
*
* @param mixed $arr1
* @param mixed $arr2
*
* @return array|bool
*/
private function arrayIntersectRecursive($arr1, $arr2)
{
if (!is_array($arr1) || !is_array($arr2)) {
return null;
}
// if it is not an associative array we do not compare keys
if ($this->arrayIsSequential($arr1) and $this->arrayIsSequential($arr2)) {
return $this->sequentialArrayIntersect($arr1, $arr2);
}
return $this->associativeArrayIntersect($arr1, $arr2);
}
protected function arrayHasArray(array $needle, array $haystack)
{
return $needle == $this->arrayIntersectRecursive($needle, $haystack);
}
/**
* @param $arr1
* @return bool
*/
private function arrayIsSequential($arr1)
{
return array_keys($arr1) === range(0, count($arr1) - 1);
}
/**
* @param $arr1
* @param $arr2
* @return array
*/
private function sequentialArrayIntersect($arr1, $arr2)
{
$ret = array();
foreach ($arr1 as $key1 => $value1) {
foreach ($arr2 as $key2 => $value2) {
$_return = $this->arrayIntersectRecursive($value1, $value2);
if ($_return) {
$ret[$key1] = $_return;
continue;
}
if ($value1 === $value2) {
$ret[$key1] = $value1;
}
}
}
return $ret;
}
/**
* @param $arr1
* @param $arr2
* @return array|bool|null
*/
private function associativeArrayIntersect($arr1, $arr2)
{
$commonkeys = array_intersect(array_keys($arr1), array_keys($arr2));
$ret = array();
foreach ($commonkeys as $key) {
$_return = $this->arrayIntersectRecursive($arr1[$key], $arr2[$key]);
if ($_return) {
$ret[$key] = $_return;
continue;
}
if ($arr1[$key] === $arr2[$key]) {
$ret[$key] = $arr1[$key];
}
}
if (empty($commonkeys)) {
foreach ($arr2 as $arr) {
$_return = $this->arrayIntersectRecursive($arr1, $arr);
if ($_return && $_return == $arr1) {
return $_return;
}
}
}
if (count($ret) < min(count($arr1), count($arr2))) {
return null;
}
return $ret;
}
}