silverstripe-behat-extension/src/SilverStripe/BehatExtension/Context/BasicContext.php
Ingo Schommer cfd1044ae5 Merge pull request #100 from scott1702/confirming-element-click
Add ability to confirm/dismiss dialogs after clicking in elements
2015-10-22 16:29:44 +13:00

1001 lines
33 KiB
PHP

<?php
namespace SilverStripe\BehatExtension\Context;
use Behat\Behat\Context\BehatContext,
Behat\Behat\Context\Step,
Behat\Behat\Event\StepEvent,
Behat\Behat\Event\ScenarioEvent;
use Behat\Mink\Driver\Selenium2Driver;
use Behat\Gherkin\Node\PyStringNode,
Behat\Gherkin\Node\TableNode;
// PHPUnit
require_once 'PHPUnit/Autoload.php';
require_once 'PHPUnit/Framework/Assert/Functions.php';
/**
* BasicContext
*
* Context used to define generic steps like following anchors or pressing buttons.
* Handles timeouts.
* Handles redirections.
* Handles AJAX enabled links, buttons and forms - jQuery is assumed.
*/
class BasicContext extends BehatContext
{
protected $context;
/**
* Date format in date() syntax
* @var String
*/
protected $dateFormat = 'Y-m-d';
/**
* Time format in date() syntax
* @var String
*/
protected $timeFormat = 'H:i:s';
/**
* Date/time format in date() syntax
* @var String
*/
protected $datetimeFormat = 'Y-m-d H:i:s';
/**
* Initializes context.
* Every scenario gets it's own context object.
*
* @param array $parameters context parameters (set them up through behat.yml)
*/
public function __construct(array $parameters) {
// Initialize your context here
$this->context = $parameters;
}
/**
* Get Mink session from MinkContext
*
* @return \Behat\Mink\Session
*/
public function getSession($name = null) {
return $this->getMainContext()->getSession($name);
}
/**
* @AfterStep ~@modal
*
* Excluding scenarios with @modal tag is required,
* because modal dialogs stop any JS interaction
*/
public function appendErrorHandlerBeforeStep(StepEvent $event) {
try{
$javascript = <<<JS
window.onerror = function(message, file, line, column, error) {
var body = document.getElementsByTagName('body')[0];
var msg = message + " in " + file + ":" + line + ":" + column;
if(error !== undefined && error.stack !== undefined) {
msg += "\\nSTACKTRACE:\\n" + error.stack;
}
body.setAttribute('data-jserrors', '[captured JavaScript error] ' + msg);
}
if ('undefined' !== typeof window.jQuery) {
window.jQuery('body').ajaxError(function(event, jqxhr, settings, exception) {
if ('abort' === exception) return;
window.onerror(event.type + ': ' + settings.type + ' ' + settings.url + ' ' + exception + ' ' + jqxhr.responseText);
});
}
JS;
$this->getSession()->executeScript($javascript);
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
/**
* @AfterStep ~@modal
*
* Excluding scenarios with @modal tag is required,
* because modal dialogs stop any JS interaction
*/
public function readErrorHandlerAfterStep(StepEvent $event) {
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');
});
}
JS;
$this->getSession()->executeScript($javascript);
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
/**
* Hook into jQuery ajaxStart, ajaxSuccess and ajaxComplete events.
* Prepare __ajaxStatus() functions and attach them to these handlers.
* Event handlers are removed after one run.
*
* @BeforeStep
*/
public function handleAjaxBeforeStep(StepEvent $event) {
try{
$ajaxEnabledSteps = $this->getMainContext()->getAjaxSteps();
$ajaxEnabledSteps = implode('|', array_filter($ajaxEnabledSteps));
if (empty($ajaxEnabledSteps) || !preg_match('/(' . $ajaxEnabledSteps . ')/i', $event->getStep()->getText())) {
return;
}
$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() {
return 'waiting';
};
});
window.jQuery(document).on('ajaxComplete.ss.test.behaviour', function(e, jqXHR){
if (null === jqXHR.getResponseHeader('X-ControllerURL')) {
window.__ajaxStatus = function() {
return 'no ajax';
};
}
});
window.jQuery(document).on('ajaxSuccess.ss.test.behaviour', function(e, jqXHR){
if (null === jqXHR.getResponseHeader('X-ControllerURL')) {
window.__ajaxStatus = function() {
return 'success';
};
}
});
}
JS;
$this->getSession()->wait(500); // give browser a chance to process and render response
$this->getSession()->executeScript($javascript);
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
/**
* Wait for the __ajaxStatus()to return anything but 'waiting'.
* Don't wait longer than 5 seconds.
*
* Don't unregister handler if we're dealing with modal windows
*
* @AfterStep ~@modal
*/
public function handleAjaxAfterStep(StepEvent $event) {
try{
$ajaxEnabledSteps = $this->getMainContext()->getAjaxSteps();
$ajaxEnabledSteps = implode('|', array_filter($ajaxEnabledSteps));
if (empty($ajaxEnabledSteps) || !preg_match('/(' . $ajaxEnabledSteps . ')/i', $event->getStep()->getText())) {
return;
}
$this->handleAjaxTimeout();
$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);
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
public function handleAjaxTimeout() {
$timeoutMs = $this->getMainContext()->getAjaxTimeout();
// Wait for an ajax request to complete, but only for a maximum of 5 seconds to avoid deadlocks
$this->getSession()->wait($timeoutMs,
"(typeof window.__ajaxStatus !== 'undefined' ? window.__ajaxStatus() : 'no ajax') !== 'waiting'"
);
// wait additional 100ms to allow DOM to update
$this->getSession()->wait(100);
}
/**
* Take screenshot when step fails.
* Works only with Selenium2Driver.
*
* @AfterStep
*/
public function takeScreenshotAfterFailedStep(StepEvent $event) {
if (4 === $event->getResult()) {
try{
$this->takeScreenshot($event);
}catch(\WebDriver\Exception $e){
$this->logException($e);
}
}
}
/**
* Close modal dialog if test scenario fails on CMS page
*
* @AfterScenario
*/
public function closeModalDialog(ScenarioEvent $event) {
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);
}
}
/**
* Delete any created files and folders from assets directory
*
* @AfterScenario @assets
*/
public function cleanAssetsAfterScenario(ScenarioEvent $event) {
foreach(\File::get() as $file) {
$file->delete();
}
\Filesystem::removeFolder(ASSETS_PATH, true);
}
public function takeScreenshot(StepEvent $event) {
$driver = $this->getSession()->getDriver();
// quit silently when unsupported
if (!($driver instanceof Selenium2Driver)) {
return;
}
$parent = $event->getLogicalParent();
$feature = $parent->getFeature();
$step = $event->getStep();
$screenshotPath = null;
$path = $this->getMainContext()->getScreenshotPath();
if(!$path) return; // quit silently when path is not set
\Filesystem::makeFolder($path);
$path = realpath($path);
if (!file_exists($path)) {
file_put_contents('php://stderr', sprintf('"%s" is not valid directory and failed to create it' . PHP_EOL, $path));
return;
}
if (file_exists($path) && !is_dir($path)) {
file_put_contents('php://stderr', sprintf('"%s" is not valid directory' . PHP_EOL, $path));
return;
}
if (file_exists($path) && !is_writable($path)) {
file_put_contents('php://stderr', sprintf('"%s" directory is not writable' . PHP_EOL, $path));
return;
}
$path = sprintf('%s/%s_%d.png', $path, basename($feature->getFile()), $step->getLine());
$screenshot = $driver->getWebDriverSession()->screenshot();
file_put_contents($path, base64_decode($screenshot));
file_put_contents('php://stderr', sprintf('Saving screenshot into %s' . PHP_EOL, $path));
}
/**
* @Then /^I should be redirected to "([^"]+)"/
*/
public function stepIShouldBeRedirectedTo($url) {
if ($this->getMainContext()->canIntercept()) {
$client = $this->getSession()->getDriver()->getClient();
$client->followRedirects(true);
$client->followRedirect();
$url = $this->getMainContext()->joinUrlParts($this->context['base_url'], $url);
assertTrue($this->getMainContext()->isCurrentUrlSimilarTo($url), sprintf('Current URL is not %s', $url));
}
}
/**
* @Given /^the page can't be found/
*/
public function stepPageCantBeFound() {
$page = $this->getSession()->getPage();
assertTrue(
// Content from ErrorPage default record
$page->hasContent('Page not found')
// Generic ModelAsController message
|| $page->hasContent('The requested page could not be found')
);
}
/**
* @Given /^I wait (?:for )?([\d\.]+) second(?:s?)$/
*/
public function stepIWaitFor($secs) {
$this->getSession()->wait((float)$secs*1000);
}
/**
* @Given /^I press the "([^"]*)" button$/
*/
public function stepIPressTheButton($button) {
$page = $this->getSession()->getPage();
$els = $page->findAll('named', array('link_or_button', "'$button'"));
$matchedEl = null;
foreach($els as $el) {
if($el->isVisible()) $matchedEl = $el;
}
assertNotNull($matchedEl, sprintf('%s button not found', $button));
$matchedEl->click();
}
/**
* Needs to be in single command to avoid "unexpected alert open" errors in Selenium.
* Example1: I press the "Remove current combo" button, confirming the dialog
* Example2: I follow the "Remove current combo" link, confirming the dialog
*
* @Given /^I (?:press|follow) the "([^"]*)" (?:button|link), confirming the dialog$/
*/
public function stepIPressTheButtonConfirmingTheDialog($button) {
$this->stepIPressTheButton($button);
$this->iConfirmTheDialog();
}
/**
* Needs to be in single command to avoid "unexpected alert open" errors in Selenium.
* Example: I follow the "Remove current combo" link, dismissing the dialog
*
* @Given /^I (?:press|follow) the "([^"]*)" (?:button|link), dismissing the dialog$/
*/
public function stepIPressTheButtonDismissingTheDialog($button) {
$this->stepIPressTheButton($button);
$this->iDismissTheDialog();
}
/**
* @Given /^I (click|double click) "([^"]*)" in the "([^"]*)" element$/
*/
public function iClickInTheElement($clickType, $text, $selector) {
$clickTypeMap = array(
"double click" => "doubleclick",
"click" => "click"
);
$page = $this->getSession()->getPage();
$parentElement = $page->find('css', $selector);
assertNotNull($parentElement, sprintf('"%s" element not found', $selector));
$element = $parentElement->find('xpath', sprintf('//*[count(*)=0 and contains(.,"%s")]', $text));
assertNotNull($element, sprintf('"%s" not found', $text));
$clickTypeFn = $clickTypeMap[$clickType];
$element->$clickTypeFn();
}
/**
* Needs to be in single command to avoid "unexpected alert open" errors in Selenium.
* Example: I click "Delete" in the ".actions" element, confirming the dialog
*
* @Given /^I (click|double click) "([^"]*)" in the "([^"]*)" element, confirming the dialog$/
*/
public function iClickInTheElementConfirmingTheDialog($clickType, $text, $selector) {
$this->iClickInTheElement($clickType, $text, $selector);
$this->iConfirmTheDialog();
}
/**
* Needs to be in single command to avoid "unexpected alert open" errors in Selenium.
* Example: I click "Delete" in the ".actions" element, dismissing the dialog
*
* @Given /^I (click|double click) "([^"]*)" in the "([^"]*)" element, dismissing the dialog$/
*/
public function iClickInTheElementDismissingTheDialog($clickType, $text, $selector) {
$this->iClickInTheElement($clickType, $text, $selector);
$this->iDismissTheDialog();
}
/**
* @Given /^I type "([^"]*)" into the dialog$/
*/
public function iTypeIntoTheDialog($data) {
$data = array(
'text' => $data,
);
$this->getSession()->getDriver()->getWebDriverSession()->postAlert_text($data);
}
/**
* @Given /^I confirm the dialog$/
*/
public function iConfirmTheDialog() {
$this->getSession()->getDriver()->getWebDriverSession()->accept_alert();
$this->handleAjaxTimeout();
}
/**
* @Given /^I dismiss the dialog$/
*/
public function iDismissTheDialog() {
$this->getSession()->getDriver()->getWebDriverSession()->dismiss_alert();
$this->handleAjaxTimeout();
}
/**
* @Given /^(?:|I )attach the file "(?P<path>[^"]*)" to "(?P<field>(?:[^"]|\\")*)" with HTML5$/
*/
public function iAttachTheFileTo($field, $path) {
// Remove wrapped button styling to make input field accessible to Selenium
$js = <<<JS
var input = jQuery('[name="$field"]');
if(input.closest('.ss-uploadfield-item-info').length) {
while(!input.parent().is('.ss-uploadfield-item-info')) input = input.unwrap();
}
JS;
$this->getSession()->executeScript($js);
$this->getSession()->wait(1000);
return new Step\Given(sprintf('I attach the file "%s" to "%s"', $path, $field));
}
/**
* Select an individual input from within a group, matched by the top-most label.
*
* @Given /^I select "([^"]*)" from "([^"]*)" input group$/
*/
public function iSelectFromInputGroup($value, $labelText) {
$page = $this->getSession()->getPage();
$parent = null;
foreach($page->findAll('css', 'label') as $label) {
if($label->getText() == $labelText) {
$parent = $label->getParent();
}
}
if(!$parent) throw new \InvalidArgumentException(sprintf('Input group with label "%s" cannot be found', $labelText));
foreach($parent->findAll('css', 'label') as $option) {
if($option->getText() == $value) {
$for = $option->getAttribute('for');
$input = $parent->findById($for);
if(!$input) throw new \InvalidArgumentException(sprintf('Input "%s" cannot be found', $value));
$this->getSession()->getDriver()->click($input->getXPath());
}
}
}
/**
* Pauses the scenario until the user presses a key. Useful when debugging a scenario.
*
* @Then /^(?:|I )put a breakpoint$/
*/
public function iPutABreakpoint() {
fwrite(STDOUT, "\033[s \033[93m[Breakpoint] Press \033[1;93m[RETURN]\033[0;93m to continue...\033[0m");
while (fgets(STDIN, 1024) == '') {}
fwrite(STDOUT, "\033[u");
return;
}
/**
* Transforms relative time statements compatible with strtotime().
* Example: "time of 1 hour ago" might return "22:00:00" if its currently "23:00:00".
* Customize through {@link setTimeFormat()}.
*
* @Transform /^(?:(the|a)) time of (?<val>.*)$/
*/
public function castRelativeToAbsoluteTime($prefix, $val) {
$timestamp = strtotime($val);
if(!$timestamp) {
throw new \InvalidArgumentException(sprintf(
"Can't resolve '%s' into a valid datetime value",
$val
));
}
return date($this->timeFormat, $timestamp);
}
/**
* Transforms relative date and time statements compatible with strtotime().
* Example: "datetime of 2 days ago" might return "2013-10-10 22:00:00" if its currently
* the 12th of October 2013. Customize through {@link setDatetimeFormat()}.
*
* @Transform /^(?:(the|a)) datetime of (?<val>.*)$/
*/
public function castRelativeToAbsoluteDatetime($prefix, $val) {
$timestamp = strtotime($val);
if(!$timestamp) {
throw new \InvalidArgumentException(sprintf(
"Can't resolve '%s' into a valid datetime value",
$val
));
}
return date($this->datetimeFormat, $timestamp);
}
/**
* Transforms relative date statements compatible with strtotime().
* Example: "date 2 days ago" might return "2013-10-10" if its currently
* the 12th of October 2013. Customize through {@link setDateFormat()}.
*
* @Transform /^(?:(the|a)) date of (?<val>.*)$/
*/
public function castRelativeToAbsoluteDate($prefix, $val) {
$timestamp = strtotime($val);
if(!$timestamp) {
throw new \InvalidArgumentException(sprintf(
"Can't resolve '%s' into a valid datetime value",
$val
));
}
return date($this->dateFormat, $timestamp);
}
public function getDateFormat() {
return $this->dateFormat;
}
public function setDateFormat($format) {
$this->dateFormat = $format;
}
public function getTimeFormat() {
return $this->timeFormat;
}
public function setTimeFormat($format) {
$this->timeFormat = $format;
}
public function getDatetimeFormat() {
return $this->datetimeFormat;
}
public function setDatetimeFormat($format) {
$this->datetimeFormat = $format;
}
/**
* Checks that field with specified in|name|label|value is disabled.
* Example: Then the field "Email" should be disabled
* Example: Then the "Email" field should be disabled
*
* @Then /^the "(?P<name>(?:[^"]|\\")*)" (?P<type>(?:(field|button))) should (?P<negate>(?:(not |)))be disabled/
* @Then /^the (?P<type>(?:(field|button))) "(?P<name>(?:[^"]|\\")*)" should (?P<negate>(?:(not |)))be disabled/
*/
public function stepFieldShouldBeDisabled($name, $type, $negate) {
$page = $this->getSession()->getPage();
if($type == 'field') {
$element = $page->findField($name);
} else {
$element = $page->find('named', array(
'button', $this->getSession()->getSelectorsHandler()->xpathLiteral($name)
));
}
assertNotNull($element, sprintf("Element '%s' not found", $name));
$disabledAttribute = $element->getAttribute('disabled');
if(trim($negate)) {
assertNull($disabledAttribute, sprintf("Failed asserting element '%s' is not disabled", $name));
} else {
assertNotNull($disabledAttribute, sprintf("Failed asserting element '%s' is disabled", $name));
}
}
/**
* Checks that checkbox with specified in|name|label|value is enabled.
* Example: Then the field "Email" should be enabled
* Example: Then the "Email" field should be enabled
*
* @Then /^the "(?P<field>(?:[^"]|\\")*)" field should be enabled/
* @Then /^the field "(?P<field>(?:[^"]|\\")*)" should be enabled/
*/
public function stepFieldShouldBeEnabled($field) {
$page = $this->getSession()->getPage();
$fieldElement = $page->findField($field);
assertNotNull($fieldElement, sprintf("Field '%s' not found", $field));
$disabledAttribute = $fieldElement->getAttribute('disabled');
assertNull($disabledAttribute, sprintf("Failed asserting field '%s' is enabled", $field));
}
/**
* Clicks a link in a specific region (an element identified by a CSS selector, a "data-title" attribute,
* or a named region mapped to a CSS selector via Behat configuration).
*
* Example: Given I follow "Select" in the "header .login-form" region
* Example: Given I follow "Select" in the "My Login Form" region
*
* @Given /^I (?:follow|click) "(?P<link>[^"]*)" in the "(?P<region>[^"]*)" region$/
*/
public function iFollowInTheRegion($link, $region) {
$context = $this->getMainContext();
$regionObj = $context->getRegionObj($region);
assertNotNull($regionObj);
$linkObj = $regionObj->findLink($link);
if (empty($linkObj)) {
throw new \Exception(sprintf('The link "%s" was not found in the region "%s"
on the page %s', $link, $region, $this->getSession()->getCurrentUrl()));
}
$linkObj->click();
}
/**
* Fills in a field in a specfic region similar to (@see iFollowInTheRegion or @see iSeeTextInRegion)
*
* Example: Given I fill in "Hello" with "World"
*
* @Given /^I fill in "(?P<field>[^"]*)" with "(?P<value>[^"]*)" in the "(?P<region>[^"]*)" region$/
*/
public function iFillinTheRegion($field, $value, $region){
$context = $this->getMainContext();
$regionObj = $context->getRegionObj($region);
assertNotNull($regionObj, "Region Object is null");
$fieldObj = $regionObj->findField($field);
if (empty($fieldObj)) {
throw new \Exception(sprintf('The field "%s" was not found in the region "%s"
on the page %s', $field, $region, $this->getSession()->getCurrentUrl()));
}
$regionObj->fillField($field, $value);
}
/**
* Asserts text in a specific region (an element identified by a CSS selector, a "data-title" attribute,
* or a named region mapped to a CSS selector via Behat configuration).
* Supports regular expressions in text value.
*
* Example: Given I should see "My Text" in the "header .login-form" region
* Example: Given I should not see "My Text" in the "My Login Form" region
*
* @Given /^I should (?P<negate>(?:(not |)))see "(?P<text>[^"]*)" in the "(?P<region>[^"]*)" region$/
*/
public function iSeeTextInRegion($negate, $text, $region) {
$context = $this->getMainContext();
$regionObj = $context->getRegionObj($region);
assertNotNull($regionObj);
$actual = $regionObj->getText();
$actual = preg_replace('/\s+/u', ' ', $actual);
$regex = '/'.preg_quote($text, '/').'/ui';
if(trim($negate)) {
if (preg_match($regex, $actual)) {
$message = sprintf(
'The text "%s" was found in the text of the "%s" region on the page %s.',
$text,
$region,
$this->getSession()->getCurrentUrl()
);
throw new \Exception($message);
}
} else {
if (!preg_match($regex, $actual)) {
$message = sprintf(
'The text "%s" was not found anywhere in the text of the "%s" region on the page %s.',
$text,
$region,
$this->getSession()->getCurrentUrl()
);
throw new \Exception($message);
}
}
}
/**
* Selects the specified radio button
*
* @Given /^I select the "([^"]*)" radio button$/
*/
public function iSelectTheRadioButton($radioLabel) {
$session = $this->getSession();
$radioButton = $session->getPage()->find('named', array(
'radio', $this->getSession()->getSelectorsHandler()->xpathLiteral($radioLabel)
));
assertNotNull($radioButton);
$session->getDriver()->click($radioButton->getXPath());
}
/**
* @Then /^the "([^"]*)" table should contain "([^"]*)"$/
*/
public function theTableShouldContain($selector, $text) {
$table = $this->getTable($selector);
$element = $table->find('named', array('content', "'$text'"));
assertNotNull($element, sprintf('Element containing `%s` not found in `%s` table', $text, $selector));
}
/**
* @Then /^the "([^"]*)" table should not contain "([^"]*)"$/
*/
public function theTableShouldNotContain($selector, $text) {
$table = $this->getTable($selector);
$element = $table->find('named', array('content', "'$text'"));
assertNull($element, sprintf('Element containing `%s` not found in `%s` table', $text, $selector));
}
/**
* @Given /^I click on "([^"]*)" in the "([^"]*)" table$/
*/
public function iClickOnInTheTable($text, $selector) {
$table = $this->getTable($selector);
$element = $table->find('xpath', sprintf('//*[count(*)=0 and contains(.,"%s")]', $text));
assertNotNull($element, sprintf('Element containing `%s` not found', $text));
$element->click();
}
/**
* Finds the first visible table by various factors:
* - table[id]
* - table[title]
* - table *[class=title]
* - fieldset[data-name] table
* - table caption
*
* @return Behat\Mink\Element\NodeElement
*/
protected function getTable($selector) {
$selector = $this->getSession()->getSelectorsHandler()->xpathLiteral($selector);
$page = $this->getSession()->getPage();
$candidates = $page->findAll(
'xpath',
$this->getSession()->getSelectorsHandler()->selectorToXpath(
"xpath", ".//table[(./@id = $selector or contains(./@title, $selector))]"
)
);
// Find tables by a <caption> field
$candidates += $page->findAll('xpath', "//table//caption[contains(normalize-space(string(.)),
$selector)]/ancestor-or-self::table[1]");
// Find tables by a .title node
$candidates += $page->findAll('xpath', "//table//*[@class='title' and contains(normalize-space(string(.)),
$selector)]/ancestor-or-self::table[1]");
// Some tables don't have a visible title, so look for a fieldset with data-name instead
$candidates += $page->findAll('xpath', "//fieldset[@data-name=$selector]//table");
assertTrue((bool)$candidates, 'Could not find any table elements');
$table = null;
foreach($candidates as $candidate) {
if(!$table && $candidate->isVisible()) {
$table = $candidate;
}
}
assertTrue((bool)$table, 'Found table elements, but none are visible');
return $table;
}
/**
* Checks the order of two texts.
* Assumptions: the two texts appear in their conjunct parent element once
* @Then /^I should see the text "(?P<textBefore>(?:[^"]|\\")*)" (before|after) the text "(?P<textAfter>(?:[^"]|\\")*)" in the "(?P<element>[^"]*)" element$/
*/
public function theTextBeforeAfter($textBefore, $order, $textAfter, $element) {
$ele = $this->getSession()->getPage()->find('css', $element);
assertNotNull($ele, sprintf('%s not found', $element));
// Check both of the texts exist in the element
$text = $ele->getText();
assertTrue(strpos($text, $textBefore) !== 'FALSE', sprintf('%s not found in the element %s', $textBefore, $element));
assertTrue(strpos($text, $textAfter) !== 'FALSE', sprintf('%s not found in the element %s', $textAfter, $element));
/// Use strpos to get the position of the first occurrence of the two texts (case-sensitive)
// and compare them with the given order (before or after)
if($order === 'before') {
assertTrue(strpos($text, $textBefore) < strpos($text, $textAfter));
} else {
assertTrue(strpos($text, $textBefore) > strpos($text, $textAfter));
}
}
/**
* Wait until a certain amount of seconds till I see an element identified by a CSS selector.
*
* Example: Given I wait for 10 seconds until I see the ".css_element" element
*
* @Given /^I wait for (\d+) seconds until I see the "([^"]*)" element$/
**/
public function iWaitXUntilISee($wait, $selector) {
$page = $this->getSession()->getPage();
$this->spin(function($page) use ($page, $selector){
$element = $page->find('css', $selector);
if(empty($element)) {
return false;
} else {
return $element->isVisible();
}
});
}
/**
* Wait until a particular element is visible, using a CSS selector. Useful for content loaded via AJAX, or only
* populated after JS execution.
*
* Example: Given I wait until I see the "header .login-form" element
*
* @Given /^I wait until I see the "([^"]*)" element$/
*/
public function iWaitUntilISee($selector) {
$page = $this->getSession()->getPage();
$this->spin(function($page) use ($page, $selector){
$element = $page->find('css', $selector);
if(empty($element)){
return false;
} else{
return ($element->isVisible());
}
});
}
/**
* Wait until a particular string is found on the page. Useful for content loaded via AJAX, or only populated after
* JS execution.
*
* Example: Given I wait until I see the text "Welcome back, John!"
*
* @Given /^I wait until I see the text "([^"]*)"$/
*/
public function iWaitUntilISeeText($text){
$page = $this->getSession()->getPage();
$session = $this->getSession();
$this->spin(function($page) use ($page, $session, $text) {
$element = $page->find(
'xpath',
$session->getSelectorsHandler()->selectorToXpath("xpath", ".//*[contains(text(), '$text')]")
);
if(empty($element)) {
return false;
} else {
return ($element->isVisible());
}
});
}
/**
* @Given /^I scroll to the bottom$/
*/
public function iScrollToBottom() {
$javascript = 'window.scrollTo(0, Math.max(document.documentElement.scrollHeight, document.body.scrollHeight, document.documentElement.clientHeight));';
$this->getSession()->executeScript($javascript);
}
/**
* @Given /^I scroll to the top$/
*/
public function iScrollToTop() {
$this->getSession()->executeScript('window.scrollTo(0,0);');
}
/**
* Scroll to a certain element by label.
* Requires an "id" attribute to uniquely identify the element in the document.
*
* Example: Given I scroll to the "Submit" button
* Example: Given I scroll to the "My Date" field
*
* @Given /^I scroll to the "([^"]*)" (field|link|button)$/
*/
public function iScrollToField($locator, $type) {
$page = $this->getSession()->getPage();
$el = $page->find('named', array($type, "'$locator'"));
assertNotNull($el, sprintf('%s element not found', $locator));
$id = $el->getAttribute('id');
if(empty($id)) {
throw new \InvalidArgumentException('Element requires an "id" attribute');
}
$js = sprintf("document.getElementById('%s').scrollIntoView(true);", $id);
$this->getSession()->executeScript($js);
}
/**
* Scroll to a certain element by CSS selector.
* Requires an "id" attribute to uniquely identify the element in the document.
*
* Example: Given I scroll to the ".css_element" element
*
* @Given /^I scroll to the "(?P<locator>(?:[^"]|\\")*)" element$/
*/
public function iScrollToElement($locator) {
$el = $this->getSession()->getPage()->find('css', $locator);
assertNotNull($el, sprintf('The element "%s" is not found', $locator));
$id = $el->getAttribute('id');
if(empty($id)) {
throw new \InvalidArgumentException('Element requires an "id" attribute');
}
$js = sprintf("document.getElementById('%s').scrollIntoView(true);", $id);
$this->getSession()->executeScript($js);
}
/**
* Continuously poll the dom until callback returns true, code copied from
* (@link http://docs.behat.org/cookbook/using_spin_functions.html)
* If not found within a given wait period, timeout and throw error
*
* @param callback $lambda The function to run continuously
* @param integer $wait Timeout in seconds
* @return bool Returns true if the lambda returns successfully
* @throws \Exception Thrown if the wait threshold is exceeded without the lambda successfully returning
*/
public function spin($lambda, $wait = 60) {
for ($i = 0; $i < $wait; $i++) {
try {
if($lambda($this)) {
return true;
}
} catch (\Exception $e) {
// do nothing
}
sleep(1);
}
$backtrace = debug_backtrace();
throw new \Exception(sprintf(
"Timeout thrown by %s::%s()\n.",
$backtrace[1]['class'],
$backtrace[1]['function']
));
}
/**
* We have to catch exceptions and log somehow else otherwise behat falls over
*/
protected function logException($e){
file_put_contents('php://stderr', 'Exception caught: '.$e);
}
}