498 lines
14 KiB
PHP
498 lines
14 KiB
PHP
<?php
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namespace SilverStripe\BehatExtension\Context;
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use Behat\Behat\Context\Step,
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Behat\Behat\Event\FeatureEvent,
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Behat\Behat\Event\ScenarioEvent,
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Behat\Behat\Event\SuiteEvent;
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use Behat\Gherkin\Node\PyStringNode;
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use Behat\MinkExtension\Context\MinkContext;
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use Behat\Mink\Driver\GoutteDriver,
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Behat\Mink\Driver\Selenium2Driver,
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Behat\Mink\Exception\UnsupportedDriverActionException,
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Behat\Mink\Exception\ElementNotFoundException;
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use SilverStripe\BehatExtension\Context\SilverStripeAwareContextInterface;
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use Symfony\Component\Yaml\Yaml;
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// Mink etc.
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require_once 'vendor/autoload.php';
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/**
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* SilverStripeContext
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*
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* Generic context wrapper used as a base for Behat FeatureContext.
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*/
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class SilverStripeContext extends MinkContext implements SilverStripeAwareContextInterface
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{
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protected $databaseName;
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/**
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* @var Array Partial string match for step names
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* that are considered to trigger Ajax request in the CMS,
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* and hence need special timeout handling.
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* @see \SilverStripe\BehatExtension\Context\BasicContext->handleAjaxBeforeStep().
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*/
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protected $ajaxSteps;
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/**
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* @var Int Timeout in milliseconds, after which the interface assumes
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* that an Ajax request has timed out, and continues with assertions.
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*/
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protected $ajaxTimeout;
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/**
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* @var String Relative URL to the SilverStripe admin interface.
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*/
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protected $adminUrl;
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/**
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* @var String Relative URL to the SilverStripe login form.
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*/
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protected $loginUrl;
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/**
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* @var String Relative path to a writeable folder where screenshots can be stored.
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* If set to NULL, no screenshots will be stored.
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*/
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protected $screenshotPath;
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protected $context;
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protected $testSessionEnvironment;
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/**
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* Initializes context.
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* Every scenario gets it's own context object.
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*
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* @param array $parameters context parameters (set them up through behat.yml)
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*/
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public function __construct(array $parameters) {
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// Initialize your context here
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$this->context = $parameters;
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$this->testSessionEnvironment = new \TestSessionEnvironment();
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}
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public function setDatabase($databaseName) {
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$this->databaseName = $databaseName;
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}
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public function setAjaxSteps($ajaxSteps) {
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if($ajaxSteps) $this->ajaxSteps = $ajaxSteps;
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}
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public function getAjaxSteps() {
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return $this->ajaxSteps;
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}
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public function setAjaxTimeout($ajaxTimeout) {
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$this->ajaxTimeout = $ajaxTimeout;
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}
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public function getAjaxTimeout() {
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return $this->ajaxTimeout;
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}
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public function setAdminUrl($adminUrl) {
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$this->adminUrl = $adminUrl;
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}
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public function getAdminUrl() {
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return $this->adminUrl;
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}
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public function setLoginUrl($loginUrl) {
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$this->loginUrl = $loginUrl;
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}
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public function getLoginUrl() {
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return $this->loginUrl;
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}
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public function setScreenshotPath($screenshotPath) {
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$this->screenshotPath = $screenshotPath;
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}
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public function getScreenshotPath() {
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return $this->screenshotPath;
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}
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public function getRegionMap(){
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return $this->regionMap;
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}
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public function setRegionMap($regionMap){
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$this->regionMap = $regionMap;
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}
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/**
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* Returns MinkElement based off region defined in .yml file.
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* Also supports direct CSS selectors and regions identified by a "data-title" attribute.
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* When using the "data-title" attribute, ensure not to include double quotes.
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*
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* @param String $region Region name or CSS selector
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* @return MinkElement|null
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*/
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public function getRegionObj($region) {
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// Try to find regions directly by CSS selector.
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$regionObj = $this->getSession()->getPage()->find(
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'css',
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// Escape CSS selector
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(false !== strpos($region, "'")) ? str_replace("'", "\'", $region) : $region
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);
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if($regionObj) {
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return $regionObj;
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}
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// Fall back to region identified by data-title.
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// Only apply if no double quotes exist in search string,
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// which would break the CSS selector.
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if(false === strpos($region, '"')) {
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$regionObj = $this->getSession()->getPage()->find(
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'css',
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'[data-title="' . $region . '"]'
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);
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if($regionObj) {
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return $regionObj;
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}
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}
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// Look for named region
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if(!$this->regionMap) {
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throw new \LogicException("Cannot find 'region_map' in the behat.yml");
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}
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if(!array_key_exists($region, $this->regionMap)) {
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throw new \LogicException("Cannot find the specified region in the behat.yml");
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}
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$regionObj = $this->getSession()->getPage()->find('css', $region);
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if(!$regionObj) {
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throw new ElementNotFoundException("Cannot find the specified region on the page");
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}
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return $regionObj;
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}
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/**
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* @BeforeScenario
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*/
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public function before(ScenarioEvent $event) {
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if (!isset($this->databaseName)) {
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throw new \LogicException(
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'Context\'s $databaseName has to be set when implementing SilverStripeAwareContextInterface.'
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);
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}
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$state = $this->getTestSessionState();
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$this->testSessionEnvironment->startTestSession($state);
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// Optionally import database
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if(!empty($state['importDatabasePath'])) {
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$this->testSessionEnvironment->importDatabase(
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$state['importDatabasePath'],
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!empty($state['requireDefaultRecords']) ? $state['requireDefaultRecords'] : false
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);
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} else if(!empty($state['requireDefaultRecords']) && $state['requireDefaultRecords']) {
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$this->testSessionEnvironment->requireDefaultRecords();
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}
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// Fixtures
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$fixtureFile = (!empty($params['fixture'])) ? $params['fixture'] : null;
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if($fixtureFile) {
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$this->testSessionEnvironment->loadFixtureIntoDb($fixtureFile);
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}
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if($screenSize = getenv('BEHAT_SCREEN_SIZE')) {
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list($screenWidth, $screenHeight) = explode('x', $screenSize);
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$this->getSession()->resizeWindow((int)$screenWidth, (int)$screenHeight);
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} else {
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$this->getSession()->resizeWindow(1024, 768);
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}
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}
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/**
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* Returns a parameter map of state to set within the test session.
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* Takes TESTSESSION_PARAMS environment variable into account for run-specific configurations.
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*
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* @return array
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*/
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public function getTestSessionState() {
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$extraParams = array();
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parse_str(getenv('TESTSESSION_PARAMS'), $extraParams);
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return array_merge(
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array(
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'database' => $this->databaseName,
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'mailer' => 'SilverStripe\BehatExtension\Utility\TestMailer',
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),
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$extraParams
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);
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}
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/**
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* Parses given URL and returns its components
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*
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* @param $url
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* @return array|mixed Parsed URL
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*/
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public function parseUrl($url) {
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$url = parse_url($url);
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$url['vars'] = array();
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if (!isset($url['fragment'])) {
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$url['fragment'] = null;
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}
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if (isset($url['query'])) {
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parse_str($url['query'], $url['vars']);
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}
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return $url;
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}
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/**
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* Checks whether current URL is close enough to the given URL.
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* Unless specified in $url, get vars will be ignored
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* Unless specified in $url, fragment identifiers will be ignored
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*
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* @param $url string URL to compare to current URL
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* @return boolean Returns true if the current URL is close enough to the given URL, false otherwise.
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*/
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public function isCurrentUrlSimilarTo($url) {
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$current = $this->parseUrl($this->getSession()->getCurrentUrl());
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$test = $this->parseUrl($url);
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if ($current['path'] !== $test['path']) {
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return false;
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}
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if (isset($test['fragment']) && $current['fragment'] !== $test['fragment']) {
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return false;
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}
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foreach ($test['vars'] as $name => $value) {
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if (!isset($current['vars'][$name]) || $current['vars'][$name] !== $value) {
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return false;
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}
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}
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return true;
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}
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/**
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* Returns base URL parameter set in MinkExtension.
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* It simplifies configuration by allowing to specify this parameter
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* once but makes code dependent on MinkExtension.
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*
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* @return string
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*/
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public function getBaseUrl() {
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return $this->getMinkParameter('base_url') ?: '';
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}
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/**
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* Joins URL parts into an URL using forward slash.
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* Forward slash usages are normalised to one between parts.
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* This method takes variable number of parameters.
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*
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* @param $...
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* @return string
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* @throws \InvalidArgumentException
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*/
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public function joinUrlParts() {
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if (0 === func_num_args()) {
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throw new \InvalidArgumentException('Need at least one argument');
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}
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$parts = func_get_args();
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$trimSlashes = function(&$part) {
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$part = trim($part, '/');
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};
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array_walk($parts, $trimSlashes);
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return implode('/', $parts);
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}
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public function canIntercept() {
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$driver = $this->getSession()->getDriver();
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if ($driver instanceof GoutteDriver) {
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return true;
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}
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else {
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if ($driver instanceof Selenium2Driver) {
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return false;
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}
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}
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throw new UnsupportedDriverActionException('You need to tag the scenario with "@mink:goutte" or
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"@mink:symfony". Intercepting the redirections is not supported by %s', $driver);
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}
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/**
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* @Given /^(.*) without redirection$/
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*/
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public function theRedirectionsAreIntercepted($step) {
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if ($this->canIntercept()) {
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$this->getSession()->getDriver()->getClient()->followRedirects(false);
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}
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return new Step\Given($step);
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}
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/**
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* Fills in form field with specified id|name|label|value.
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* Overwritten to select the first *visible* element, see https://github.com/Behat/Mink/issues/311
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*/
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public function fillField($field, $value) {
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$value = $this->fixStepArgument($value);
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$fields = $this->getSession()->getPage()->findAll('named', array(
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'field', $this->getSession()->getSelectorsHandler()->xpathLiteral($field)
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));
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if($fields) foreach($fields as $field) {
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if($field->isVisible()) {
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$field->setValue($value);
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return;
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}
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}
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throw new ElementNotFoundException(
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$this->getSession(), 'form field', 'id|name|label|value', $field
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);
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}
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/**
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* Overwritten to click the first *visable* link the DOM.
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*/
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public function clickLink($link) {
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$link = $this->fixStepArgument($link);
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$links = $this->getSession()->getPage()->findAll('named', array(
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'link', $this->getSession()->getSelectorsHandler()->xpathLiteral($link)
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));
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if($links) foreach($links as $l) {
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if($l->isVisible()) {
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$l->click();
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return;
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}
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}
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throw new ElementNotFoundException(
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$this->getSession(), 'link', 'id|name|label|value', $link
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);
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}
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/**
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* Sets the current date. Relies on the underlying functionality using
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* {@link SS_Datetime::now()} rather than PHP's system time methods like date().
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* Supports ISO fomat: Y-m-d
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* Example: Given the current date is "2009-10-31"
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*
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* @Given /^the current date is "([^"]*)"$/
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*/
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public function givenTheCurrentDateIs($date) {
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$newDatetime = \DateTime::createFromFormat('Y-m-d', $date);
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if(!$newDatetime) {
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throw new InvalidArgumentException(sprintf('Invalid date format: %s (requires "Y-m-d")', $date));
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}
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$state = $this->testSessionEnvironment->getState();
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$oldDatetime = \DateTime::createFromFormat('Y-m-d H:i:s', isset($state->datetime) ? $state->datetime : null);
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if($oldDatetime) {
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$newDatetime->setTime($oldDatetime->format('H'), $oldDatetime->format('i'), $oldDatetime->format('s'));
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}
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$state->datetime = $newDatetime->format('Y-m-d H:i:s');
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$this->testSessionEnvironment->applyState($state);
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}
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/**
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* Sets the current time. Relies on the underlying functionality using
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* {@link \SS_Datetime::now()} rather than PHP's system time methods like date().
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* Supports ISO fomat: H:i:s
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* Example: Given the current time is "20:31:50"
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*
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* @Given /^the current time is "([^"]*)"$/
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*/
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public function givenTheCurrentTimeIs($time) {
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$newDatetime = \DateTime::createFromFormat('H:i:s', $date);
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if(!$newDatetime) {
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throw new InvalidArgumentException(sprintf('Invalid date format: %s (requires "H:i:s")', $date));
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}
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$state = $this->testSessionEnvironment->getState();
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$oldDatetime = \DateTime::createFromFormat('Y-m-d H:i:s', isset($state->datetime) ? $state->datetime : null);
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if($oldDatetime) {
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$newDatetime->setDate($oldDatetime->format('Y'), $oldDatetime->format('m'), $oldDatetime->format('d'));
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}
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$state->datetime = $newDatetime->format('Y-m-d H:i:s');
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$this->testSessionEnvironment->applyState($state);
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}
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/**
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* Selects option in select field with specified id|name|label|value.
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*
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* @override /^(?:|I )select "(?P<option>(?:[^"]|\\")*)" from "(?P<select>(?:[^"]|\\")*)"$/
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*/
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public function selectOption($select, $option) {
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// Find field
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$field = $this
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->getSession()
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->getPage()
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->findField($this->fixStepArgument($select));
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// If field is visible then select it as per normal
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if($field && $field->isVisible()) {
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parent::selectOption($select, $option);
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} else {
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$this->selectOptionWithJavascript($select, $option);
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}
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}
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/**
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* Selects option in select field with specified id|name|label|value using javascript
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* This method uses javascript to allow selection of options that may be
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* overridden by javascript libraries, and thus hide the element.
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*
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* @When /^(?:|I )select "(?P<option>(?:[^"]|\\")*)" from "(?P<select>(?:[^"]|\\")*)" with javascript$/
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*/
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public function selectOptionWithJavascript($select, $option) {
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$select = $this->fixStepArgument($select);
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$option = $this->fixStepArgument($option);
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$page = $this->getSession()->getPage();
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// Find field
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$field = $page->findField($select);
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if (null === $field) {
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throw new ElementNotFoundException($this->getSession(), 'form field', 'id|name|label|value', $select);
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}
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// Find option
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$opt = $field->find('named', array(
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'option', $this->getSession()->getSelectorsHandler()->xpathLiteral($option)
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));
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if (null === $opt) {
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throw new ElementNotFoundException($this->getSession(), 'select option', 'value|text', $option);
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}
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// Merge new option in with old handling both multiselect and single select
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$value = $field->getValue();
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$newValue = $opt->getAttribute('value');
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if(is_array($value)) {
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if(!in_array($newValue, $value)) $value[] = $newValue;
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} else {
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$value = $newValue;
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}
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$valueEncoded = json_encode($value);
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// Inject this value via javascript
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$fieldID = $field->getAttribute('ID');
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$script = <<<EOS
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(function($) {
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$("#$fieldID")
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.val($valueEncoded)
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.change()
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.trigger('liszt:updated')
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.trigger('chosen:updated');
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})(jQuery);
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EOS;
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$this->getSession()->getDriver()->executeScript($script);
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}
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}
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