public function testBasicSelection()
{
$doc = new XmlDocument();
$doc->load(self::samplesDir() . 'custom/runtime/selection_and_ordering.xml');
$testPart = $doc->getDocumentComponent()->getComponentByIdentifier('testPart');
$this->assertEquals('testPart', $testPart->getIdentifier());
$s01 = $doc->getDocumentComponent()->getComponentByIdentifier('S01', true);
$this->assertEquals('S01', $s01->getIdentifier());
// Prepare route selection of S01A.
$s01a = $doc->getDocumentComponent()->getComponentByIdentifier('S01A', true);
$this->assertEquals('S01A', $s01a->getIdentifier());
$s01aRoute = new SelectableRoute();
foreach ($s01a->getSectionParts() as $sectionPart) {
$s01aRoute->addRouteItem($sectionPart, $s01a, $testPart, $doc->getDocumentComponent());
}
// Prepare route selection of S01B.
$s01b = $doc->getDocumentComponent()->getComponentByIdentifier('S01B', true);
$this->assertEquals('S01B', $s01b->getIdentifier());
$s01bRoute = new SelectableRoute();
foreach ($s01b->getSectionParts() as $sectionPart) {
$s01bRoute->addRouteItem($sectionPart, $s01b, $testPart, $doc->getDocumentComponent());
}
$selection = new BasicSelection($s01, new SelectableRouteCollection(array($s01aRoute, $s01bRoute)));
$selectedRoutes = $selection->select();
$selectedRoute = new SelectableRoute();
foreach ($selectedRoutes as $r) {
$selectedRoute->appendRoute($r);
}
$routeCheck1 = self::isRouteCorrect($selectedRoute, array('Q1', 'Q2', 'Q3'));
$routeCheck2 = self::isRouteCorrect($selectedRoute, array('Q4', 'Q5', 'Q6'));
$this->assertFalse($routeCheck1 === true && $routeCheck2 === true);
$this->assertTrue($routeCheck1 === true || $routeCheck2 === true);
}
/**
* Contains the logic of creating the Route of a brand new AssessmentTestSession object.
* The resulting Route object will be injected in the created AssessmentTestSession.
*
* @param \qtism\data\AssessmentTest $test
* @return \qtism\runtime\tests\Route A newly instantiated Route object.
*/
protected function createRoute(AssessmentTest $test)
{
$routeStack = array();
foreach ($test->getTestParts() as $testPart) {
$assessmentSectionStack = array();
foreach ($testPart->getAssessmentSections() as $assessmentSection) {
$trail = array();
$mark = array();
array_push($trail, $assessmentSection);
while (count($trail) > 0) {
$current = array_pop($trail);
if (!in_array($current, $mark, true) && $current instanceof AssessmentSection) {
// 1st pass on assessmentSection.
$currentAssessmentSection = $current;
array_push($assessmentSectionStack, $currentAssessmentSection);
array_push($mark, $current);
array_push($trail, $current);
foreach (array_reverse($current->getSectionParts()->getArrayCopy()) as $sectionPart) {
array_push($trail, $sectionPart);
}
} elseif (in_array($current, $mark, true)) {
// 2nd pass on assessmentSection.
// Pop N routeItems where N is the children count of $current.
$poppedRoutes = array();
for ($i = 0; $i < count($current->getSectionParts()); $i++) {
$poppedRoutes[] = array_pop($routeStack);
}
$selection = new BasicSelection($current, new SelectableRouteCollection(array_reverse($poppedRoutes)));
$selectedRoutes = $selection->select();
// Shuffling can be applied on selected routes.
// $route will contain the final result of the selection + ordering.
$ordering = new BasicOrdering($current, $selectedRoutes);
$selectedRoutes = $ordering->order();
$route = new SelectableRoute($current->isFixed(), $current->isRequired(), $current->isVisible(), $current->mustKeepTogether());
foreach ($selectedRoutes as $r) {
$route->appendRoute($r);
}
// Add to the last item of the selection the branch rules of the AssessmentSection/testPart
// on which the selection is applied... Only if the route contains something (empty assessmentSection edge case).
if ($route->count() > 0) {
$route->getLastRouteItem()->addBranchRules($current->getBranchRules());
// Do the same as for branch rules for pre conditions, except that they must be
// attached on the first item of the route.
$route->getFirstRouteItem()->addPreConditions($current->getPreConditions());
}
array_push($routeStack, $route);
array_pop($assessmentSectionStack);
} elseif ($current instanceof AssessmentItemRef) {
// leaf node.
$route = new SelectableRoute($current->isFixed(), $current->isRequired());
$route->addRouteItem($current, new AssessmentSectionCollection($assessmentSectionStack), $testPart, $test);
array_push($routeStack, $route);
}
}
}
}
$finalRoutes = $routeStack;
$route = new SelectableRoute();
foreach ($finalRoutes as $finalRoute) {
$route->appendRoute($finalRoute);
}
return $route;
}