protected function setUpSessionStrategy($params)
{
// This logic enables us to have a session strategy reused for each
// item in self::$browsers. We don't want them both to share one
// and we don't want each test for a specific browser to have a
// new strategy
if ($params == self::$lastBrowserParams) {
// do nothing so we use the same session strategy for this
// browser
} elseif (isset($params['sessionStrategy'])) {
$strat = $params['sessionStrategy'];
if ($strat != "isolated" && $strat != "shared") {
throw new InvalidArgumentException("Session strategy must be either 'isolated' or 'shared'");
} elseif ($strat == "isolated") {
self::$browserSessionStrategy = new PHPUnit_Extensions_Selenium2TestCase_SessionStrategy_Isolated();
} else {
self::$browserSessionStrategy = new PHPUnit_Extensions_Selenium2TestCase_SessionStrategy_Shared(self::defaultSessionStrategy());
}
} else {
self::$browserSessionStrategy = self::defaultSessionStrategy();
}
self::$lastBrowserParams = $params;
$this->localSessionStrategy = self::$browserSessionStrategy;
}
