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MDL-47588 behat: fix switching back to the main window in Chrome

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This fix is mostly based on what Colin Chambers found out. This commit
is a simplification of his work.

The problem is that the Chrome / Selenium 2 integration cannot swich to
a window with a blank name. The work-around applied here is, when we
switch away from an unnamed window, we set a name on it. Then we can use
that name to switch back.
This commit is contained in:
Tim Hunt 2014-10-14 14:35:30 +01:00
parent b49de5d930
commit a92105fd3f
1 changed files with 16 additions and 1 deletions
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17
lib/tests/behat/behat_general.php
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@ -49,6 +49,12 @@ use Behat\Mink\Exception\ExpectationException as ExpectationException,
*/
class behat_general extends behat_base {
/**
* @var string used by {@link switch_to_window()} and
* {@link switch_to_the_main_window()} to work-around a Chrome browser issue.
*/
const MAIN_WINDOW_NAME = '__moodle_behat_main_window_name';
/**
* Opens Moodle homepage.
*
@ -157,6 +163,15 @@ class behat_general extends behat_base {
* @param string $windowname
*/
public function switch_to_window($windowname) {
// In Behat, some browsers (e.g. Chrome) are unable to switch to a
// window without a name, and by default the main browser window does
// not have a name. To work-around this, when we switch away from an
// unnamed window (presumably the main window) to some other named
// window, then we first set the main window name to a conventional
// value that we can later use this name to switch back.
$this->getSession()->evaluateScript(
'if (window.name == "") window.name = "' . self::MAIN_WINDOW_NAME . '"');
$this->getSession()->switchToWindow($windowname);
}
@ -166,7 +181,7 @@ class behat_general extends behat_base {
* @Given /^I switch to the main window$/
*/
public function switch_to_the_main_window() {
$this->getSession()->switchToWindow();
$this->getSession()->switchToWindow(self::MAIN_WINDOW_NAME);
}
/**