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Merge branch '48374-29' of git://github.com/samhemelryk/moodle

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Eloy Lafuente (stronk7) 2014-12-02 00:10:41 +01:00 committed by Dan Poltawski
commit 951af91e08
1 changed files with 77 additions and 1 deletions
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78
lib/tests/behat/behat_general.php
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@ -32,7 +32,8 @@ use Behat\Mink\Exception\ExpectationException as ExpectationException,
Behat\Mink\Exception\DriverException as DriverException,
WebDriver\Exception\NoSuchElement as NoSuchElement,
WebDriver\Exception\StaleElementReference as StaleElementReference,
Behat\Gherkin\Node\TableNode as TableNode;
Behat\Gherkin\Node\TableNode as TableNode,
Behat\Behat\Context\Step\Given as Given;
/**
* Cross component steps definitions.
@ -55,6 +56,13 @@ class behat_general extends behat_base {
*/
const MAIN_WINDOW_NAME = '__moodle_behat_main_window_name';
/**
* @var string when we want to check whether or not a new page has loaded,
* we first write this unique string into the page. Then later, by checking
* whether it is still there, we can tell if a new page has been loaded.
*/
const PAGE_LOAD_DETECTION_STRING = 'new_page_not_loaded_since_behat_started_watching';
/**
* Opens Moodle homepage.
*
@ -1221,4 +1229,72 @@ class behat_general extends behat_base {
$maxexpectedsize, $this->getSession());
}
}
/**
* Prepare to detect whether or not a new page has loaded (or the same page reloaded) some time in the future.
*
* @Given /^I start watching to see if a new page loads$/
*/
public function i_start_watching_to_see_if_a_new_page_loads() {
if (!$this->running_javascript()) {
throw new DriverException('Page load detection requires JavaScript.');
}
if ($this->getSession()->getPage()->find('xpath', $this->get_page_load_xpath())) {
// If we find this node at this point we are already watching for a reload and the behat steps
// are out of order. We will treat this as an error - really it needs to be fixed as it indicates a problem.
throw new ExpectationException('Page load expectation error: page reloads are already been watched for.');
}
$this->getSession()->evaluateScript(
'var span = document.createElement("span");
span.setAttribute("data-rel", "' . self::PAGE_LOAD_DETECTION_STRING . '");
span.setAttribute("style", "display: none;");
document.body.appendChild(span);');
}
/**
* Verify that a new page has loaded (or the same page has reloaded) since the
* last "I start watching to see if a new page loads" step.
*
* @Given /^a new page should have loaded since I started watching$/
*/
public function a_new_page_should_have_loaded_since_i_started_watching() {
// As the node is inserted by code above it is either there or not, and we do not need spin and it is safe
// to use the native API here which is great as exception handling (the alternative is slow).
if ($this->getSession()->getPage()->find('xpath', $this->get_page_load_xpath())) {
// We don't want to find this node, if we do we have an error.
throw new ExpectationException(
'Page load expectation error: a new page has not been loaded when it should have been.',
$this->getSession()
);
}
}
/**
* Verify that a new page has not loaded (or the same page has reloaded) since the
* last "I start watching to see if a new page loads" step.
*
* @Given /^a new page should not have loaded since I started watching$/
*/
public function a_new_page_should_not_have_loaded_since_i_started_watching() {
// We use our API here as we can use the exception handling provided by it.
$this->find(
'xpath',
$this->get_page_load_xpath(),
new ExpectationException(
'Page load expectation error: A new page has been loaded when it should not have been.',
$this->getSession()
)
);
}
/**
* Helper used by {@link a_new_page_should_have_loaded_since_i_started_watching}
* and {@link a_new_page_should_not_have_loaded_since_i_started_watching}
* @return string xpath expression.
*/
protected function get_page_load_xpath() {
return "//span[@data-rel = '" . self::PAGE_LOAD_DETECTION_STRING . "']";
}
}