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ENH: adding safety try-catch blocks to prevent whole test suite from falling over

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This commit is contained in:
Igor Nadj 2015-09-10 14:32:09 +12:00
parent e26f0a2ba5
commit 8088c29f5a
1 changed files with 73 additions and 39 deletions
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112
src/SilverStripe/BehatExtension/Context/BasicContext.php
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@ -76,7 +76,8 @@ class BasicContext extends BehatContext
* because modal dialogs stop any JS interaction
*/
public function appendErrorHandlerBeforeStep(StepEvent $event) {
$javascript = <<<JS
try{
$javascript = <<<JS
window.onerror = function(message, file, line, column, error) {
var body = document.getElementsByTagName('body')[0];
var msg = message + " in " + file + ":" + line + ":" + column;
@ -93,7 +94,10 @@ if ('undefined' !== typeof window.jQuery) {
}
JS;
$this->getSession()->executeScript($javascript);
$this->getSession()->executeScript($javascript);
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
/**
@ -103,15 +107,16 @@ JS;
* because modal dialogs stop any JS interaction
*/
public function readErrorHandlerAfterStep(StepEvent $event) {
$page = $this->getSession()->getPage();
$jserrors = $page->find('xpath', '//body[@data-jserrors]');
if (null !== $jserrors) {
$this->takeScreenshot($event);
file_put_contents('php://stderr', $jserrors->getAttribute('data-jserrors') . PHP_EOL);
}
$javascript = <<<JS
try{
$page = $this->getSession()->getPage();
$jserrors = $page->find('xpath', '//body[@data-jserrors]');
if (null !== $jserrors) {
$this->takeScreenshot($event);
file_put_contents('php://stderr', $jserrors->getAttribute('data-jserrors') . PHP_EOL);
}
$javascript = <<<JS
if ('undefined' !== typeof window.jQuery) {
window.jQuery(document).ready(function() {
window.jQuery('body').removeAttr('data-jserrors');
@ -119,7 +124,10 @@ if ('undefined' !== typeof window.jQuery) {
}
JS;
$this->getSession()->executeScript($javascript);
$this->getSession()->executeScript($javascript);
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
/**
@ -130,14 +138,15 @@ JS;
* @BeforeStep
*/
public function handleAjaxBeforeStep(StepEvent $event) {
$ajaxEnabledSteps = $this->getMainContext()->getAjaxSteps();
$ajaxEnabledSteps = implode('|', array_filter($ajaxEnabledSteps));
try{
$ajaxEnabledSteps = $this->getMainContext()->getAjaxSteps();
$ajaxEnabledSteps = implode('|', array_filter($ajaxEnabledSteps));
if (empty($ajaxEnabledSteps) || !preg_match('/(' . $ajaxEnabledSteps . ')/i', $event->getStep()->getText())) {
return;
}
if (empty($ajaxEnabledSteps) || !preg_match('/(' . $ajaxEnabledSteps . ')/i', $event->getStep()->getText())) {
return;
}
$javascript = <<<JS
$javascript = <<<JS
if ('undefined' !== typeof window.jQuery && 'undefined' !== typeof window.jQuery.fn.on) {
window.jQuery(document).on('ajaxStart.ss.test.behaviour', function(){
window.__ajaxStatus = function() {
@ -160,8 +169,11 @@ if ('undefined' !== typeof window.jQuery && 'undefined' !== typeof window.jQuery
});
}
JS;
$this->getSession()->wait(500); // give browser a chance to process and render response
$this->getSession()->executeScript($javascript);
$this->getSession()->wait(500); // give browser a chance to process and render response
$this->getSession()->executeScript($javascript);
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
/**
@ -173,23 +185,27 @@ JS;
* @AfterStep ~@modal
*/
public function handleAjaxAfterStep(StepEvent $event) {
$ajaxEnabledSteps = $this->getMainContext()->getAjaxSteps();
$ajaxEnabledSteps = implode('|', array_filter($ajaxEnabledSteps));
try{
$ajaxEnabledSteps = $this->getMainContext()->getAjaxSteps();
$ajaxEnabledSteps = implode('|', array_filter($ajaxEnabledSteps));
if (empty($ajaxEnabledSteps) || !preg_match('/(' . $ajaxEnabledSteps . ')/i', $event->getStep()->getText())) {
return;
}
if (empty($ajaxEnabledSteps) || !preg_match('/(' . $ajaxEnabledSteps . ')/i', $event->getStep()->getText())) {
return;
}
$this->handleAjaxTimeout();
$this->handleAjaxTimeout();
$javascript = <<<JS
$javascript = <<<JS
if ('undefined' !== typeof window.jQuery && 'undefined' !== typeof window.jQuery.fn.off) {
window.jQuery(document).off('ajaxStart.ss.test.behaviour');
window.jQuery(document).off('ajaxComplete.ss.test.behaviour');
window.jQuery(document).off('ajaxSuccess.ss.test.behaviour');
}
JS;
$this->getSession()->executeScript($javascript);
$this->getSession()->executeScript($javascript);
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
public function handleAjaxTimeout() {
@ -212,7 +228,11 @@ JS;
*/
public function takeScreenshotAfterFailedStep(StepEvent $event) {
if (4 === $event->getResult()) {
$this->takeScreenshot($event);
try{
$this->takeScreenshot($event);
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
}
@ -222,18 +242,22 @@ JS;
* @AfterScenario
*/
public function closeModalDialog(ScenarioEvent $event) {
// Only for failed tests on CMS page
if (4 === $event->getResult()) {
$cmsElement = $this->getSession()->getPage()->find('css', '.cms');
if($cmsElement) {
try {
// Navigate away triggered by reloading the page
$this->getSession()->reload();
$this->getSession()->getDriver()->getWebDriverSession()->accept_alert();
} catch(\WebDriver\Exception $e) {
// no-op, alert might not be present
try{
// Only for failed tests on CMS page
if (4 === $event->getResult()) {
$cmsElement = $this->getSession()->getPage()->find('css', '.cms');
if($cmsElement) {
try {
// Navigate away triggered by reloading the page
$this->getSession()->reload();
$this->getSession()->getDriver()->getWebDriverSession()->accept_alert();
} catch(\WebDriver\Exception $e) {
// no-op, alert might not be present
}
}
}
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
@ -942,4 +966,14 @@ JS;
$backtrace[1]['function']
));
}
/**
* We have to catch exceptions and log somehow else otherwise behat falls over
*/
protected function logException($e){
file_put_contents('php://stderr', 'Exception caught: '.$e);
}
}