public function testWeighted() { $assessmentItemRef = new ExtendedAssessmentItemRef('Q01', './Q01.xml'); $weights = new WeightCollection(array(new Weight('weight1', 1.1))); $assessmentItemRef->setWeights($weights); $assessmentItemRef->addOutcomeDeclaration(new OutcomeDeclaration('var1', BaseType::INTEGER, Cardinality::SINGLE)); $assessmentItemRef->addOutcomeDeclaration(new OutcomeDeclaration('var2', BaseType::FLOAT, Cardinality::MULTIPLE)); $assessmentItemRefs = new AssessmentItemRefCollection(array($assessmentItemRef)); $assessmentTest = new AssessmentTest('A01', 'An assessmentTest'); $assessmentSection = new AssessmentSection('S01', 'An assessmentSection', true); $assessmentSection->setSectionParts($assessmentItemRefs); $assessmentSections = new AssessmentSectionCollection(array($assessmentSection)); $testPart = new TestPart('P01', $assessmentSections); $assessmentTest->setTestParts(new TestPartCollection(array($testPart))); $sessionManager = new SessionManager(); $assessmentTestSession = $sessionManager->createAssessmentTestSession($assessmentTest); $assessmentTestSession->beginTestSession(); $assessmentTestSession['Q01.var1'] = new Integer(1337); $variableExpr = $this->createComponentFromXml('<variable identifier="Q01.var1" weightIdentifier="weight1" />'); $variableProcessor = new VariableProcessor($variableExpr); $variableProcessor->setState($assessmentTestSession); // -- single cardinality test. $result = $variableProcessor->process(); $this->assertInstanceOf('qtism\\common\\datatypes\\Float', $result); $this->assertEquals(1470.7, $result->getValue()); // The value in the state must be intact. $this->assertEquals(1337, $assessmentTestSession['Q01.var1']->getValue()); // What if the indicated weight is not found? $variableExpr = $this->createComponentFromXml('<variable identifier="Q01.var1" weightIdentifier="weight2" />'); $variableProcessor->setExpression($variableExpr); $result = $variableProcessor->process(); $this->assertEquals(1337, $result->getValue()); // -- multiple cardinality test. $assessmentTestSession['Q01.var2'] = new MultipleContainer(BaseType::FLOAT, array(new Float(10.1), new Float(12.1))); $variableExpr = $this->createComponentFromXml('<variable identifier="Q01.var2" weightIdentifier="weight1"/>'); $variableProcessor->setExpression($variableExpr); $result = $variableProcessor->process(); $this->assertEquals(11.11, $result[0]->getValue()); $this->assertEquals(13.31, $result[1]->getValue()); // The value in the state must be unchanged. $stateVal = $assessmentTestSession['Q01.var2']; $this->assertEquals(10.1, $stateVal[0]->getValue()); $this->assertEquals(12.1, $stateVal[1]->getValue()); }
/** * Create a new instance of XmlCompactDocument from an XmlAssessmentTestDocument. * * @param XmlDocument $xmlAssessmentTestDocument An XmlAssessmentTestDocument object you want to store as a compact XML file. * @return XmlCompactDocument An XmlCompactAssessmentTestDocument object. * @throws XmlStorageException If an error occurs while transforming the XmlAssessmentTestDocument object into an XmlCompactAssessmentTestDocument object. */ public static function createFromXmlAssessmentTestDocument(XmlDocument $xmlAssessmentTestDocument, FileResolver $itemResolver = null) { $compactAssessmentTest = new XmlCompactDocument(); $identifier = $xmlAssessmentTestDocument->getDocumentComponent()->getIdentifier(); $title = $xmlAssessmentTestDocument->getDocumentComponent()->getTitle(); $assessmentTest = new AssessmentTest($identifier, $title); $assessmentTest->setOutcomeDeclarations($xmlAssessmentTestDocument->getDocumentComponent()->getOutcomeDeclarations()); $assessmentTest->setOutcomeProcessing($xmlAssessmentTestDocument->getDocumentComponent()->getOutcomeProcessing()); $assessmentTest->setTestFeedbacks($xmlAssessmentTestDocument->getDocumentComponent()->getTestFeedbacks()); $assessmentTest->setTestParts($xmlAssessmentTestDocument->getDocumentComponent()->getTestParts()); $assessmentTest->setTimeLimits($xmlAssessmentTestDocument->getDocumentComponent()->getTimeLimits()); $assessmentTest->setToolName($xmlAssessmentTestDocument->getDocumentComponent()->getToolName()); $assessmentTest->setToolVersion($xmlAssessmentTestDocument->getDocumentComponent()->getToolVersion()); // File resolution. $sectionResolver = new LocalFileResolver($xmlAssessmentTestDocument->getUrl()); if (is_null($itemResolver) === true) { $itemResolver = new LocalFileResolver($xmlAssessmentTestDocument->getUrl()); } else { $itemResolver->setBasePath($xmlAssessmentTestDocument->getUrl()); } // It simply consists of replacing assessmentItemRef and assessmentSectionRef elements. $trail = array(); // trailEntry[0] = a component, trailEntry[1] = from where we are coming (parent). $mark = array(); $root = $xmlAssessmentTestDocument->getDocumentComponent(); array_push($trail, array($root, $root)); while (count($trail > 0)) { $trailer = array_pop($trail); $component = $trailer[0]; $previous = $trailer[1]; if (!in_array($component, $mark) && count($component->getComponents()) > 0) { // First pass on a hierarchical node... go deeper in the n-ary tree. array_push($mark, $component); // We want to go back on this component. array_push($trail, $trailer); // Prepare further exploration. foreach ($component->getComponents()->getArrayCopy() as $comp) { array_push($trail, array($comp, $component)); } } else { if (in_array($component, $mark) || count($component->getComponents()) === 0) { // Second pass on a hierarchical node (we are bubbling up accross the n-ary tree) // OR // Leaf node if ($component instanceof AssessmentItemRef) { // Transform the ref in an compact extended ref. $compactRef = ExtendedAssessmentItemRef::createFromAssessmentItemRef($component); // find the old one and replace it. $previousParts = $previous->getSectionParts(); foreach ($previousParts as $k => $previousPart) { if ($previousParts[$k] === $component) { // If the previous processed component is an XmlAssessmentSectionDocument, // it means that the given baseUri must be adapted. $baseUri = $xmlAssessmentTestDocument->getUrl(); if ($component instanceof XmlDocument && $component->getDocumentComponent() instanceof AssessmentSection) { $baseUri = $component->getUrl(); } $itemResolver->setBasePath($baseUri); self::resolveAssessmentItemRef($compactRef, $itemResolver); $previousParts->replace($component, $compactRef); break; } } } else { if ($component instanceof AssessmentSectionRef) { // We follow the unreferenced AssessmentSection as if it was // the 1st pass. $assessmentSection = self::resolveAssessmentSectionRef($component, $sectionResolver); $previousParts = $previous->getSectionParts(); foreach ($previousParts as $k => $previousPart) { if ($previousParts[$k] === $component) { $previousParts->replace($component, $assessmentSection); break; } } array_push($trail, array($assessmentSection, $previous)); } else { if ($component instanceof AssessmentSection) { $assessmentSection = ExtendedAssessmentSection::createFromAssessmentSection($component); $previousParts = $previous instanceof TestPart ? $previous->getAssessmentSections() : $previous->getSectionParts(); foreach ($previousParts as $k => $previousPart) { if ($previousParts[$k] === $component) { $previousParts->replace($component, $assessmentSection); break; } } } else { if ($component === $root) { // 2nd pass on the root, we have to stop. $compactAssessmentTest->setDocumentComponent($assessmentTest); return $compactAssessmentTest; } } } } } } } }