public function testAssigningScoresAndCorrectResponses()
{
$doc = new XmlDocument();
$doc->load(self::samplesDir() . 'custom/items/template_processing.xml');
$session = new AssessmentItemSession($doc->getDocumentComponent());
$itemSessionControl = new ItemSessionControl();
$itemSessionControl->setMaxAttempts(0);
$session->setItemSessionControl($itemSessionControl);
$session->beginItemSession();
// Check that the templateProcessing was correctly processed.
$this->assertEquals('ChoiceA', $session->getVariable('RESPONSE')->getCorrectResponse()->getValue());
$this->assertEquals(1.0, $session['GOODSCORE']->getValue());
$this->assertEquals(0.0, $session['WRONGSCORE']->getValue());
// Check that it really works...
// With a correct response.
$session->beginAttempt();
$responses = new State(array(new ResponseVariable('RESPONSE', Cardinality::SINGLE, BaseType::IDENTIFIER, new QtiIdentifier('ChoiceA'))));
$session->endAttempt($responses);
$this->assertEquals(1.0, $session['SCORE']->getValue());
// With an incorrect response.
$session->beginAttempt();
$responses = new State(array(new ResponseVariable('RESPONSE', Cardinality::SINGLE, BaseType::IDENTIFIER, new QtiIdentifier('ChoiceB'))));
$session->endAttempt($responses);
$this->assertEquals(0.0, $session['SCORE']->getValue());
}
/**
* @see \qtism\data\storage\xml\marshalling\Marshaller::unmarshall()
*/
protected function unmarshall(DOMElement $element)
{
$object = new ItemSessionControl();
if (($value = static::getDOMElementAttributeAs($element, 'maxAttempts', 'integer')) !== null) {
$object->setMaxAttempts($value);
}
if (($value = static::getDOMElementAttributeAs($element, 'showFeedback', 'boolean')) !== null) {
$object->setShowFeedback($value);
}
if (($value = static::getDOMElementAttributeAs($element, 'allowReview', 'boolean')) !== null) {
$object->setAllowReview($value);
}
if (($value = static::getDOMElementAttributeAs($element, 'showSolution', 'boolean')) !== null) {
$object->setShowSolution($value);
}
if (($value = static::getDOMElementAttributeAs($element, 'allowComment', 'boolean')) !== null) {
$object->setAllowComment($value);
}
if (($value = static::getDOMElementAttributeAs($element, 'allowSkipping', 'boolean')) !== null) {
$object->setAllowSkipping($value);
}
if (($value = static::getDOMElementAttributeAs($element, 'validateResponses', 'boolean')) !== null) {
$object->setValidateResponses($value);
}
return $object;
}
public function testIsDefault()
{
$itemSessionControl = new ItemSessionControl();
$this->assertTrue($itemSessionControl->isDefault());
$itemSessionControl->setMaxAttempts(0);
$this->assertFalse($itemSessionControl->isDefault());
}
public function testMarshall()
{
$component = new ItemSessionControl();
$component->setAllowComment(true);
$component->setMaxAttempts(2);
$component->setValidateResponses(false);
$marshaller = $this->getMarshallerFactory()->createMarshaller($component);
$element = $marshaller->marshall($component);
$this->assertInstanceOf('\\DOMElement', $element);
$this->assertEquals('itemSessionControl', $element->nodeName);
$this->assertEquals('true', $element->getAttribute('allowComment'));
$this->assertEquals('2', $element->getAttribute('maxAttempts'));
$this->assertEquals('false', $element->getAttribute('validateResponses'));
$this->assertEquals('true', $element->getAttribute('allowReview'));
$this->assertEquals('false', $element->getAttribute('showSolution'));
$this->assertEquals('true', $element->getAttribute('allowSkipping'));
}
public function testTemplateVariableDefault()
{
// This test aims at testing whether template variables
// are correctly instantiated as part of the item session and
// they can be used in response processing.
$doc = new XmlDocument('2.1.0');
$doc->load(self::samplesDir() . 'custom/items/template_declaration_default.xml');
$itemSession = new AssessmentItemSession($doc->getDocumentComponent());
$itemSessionControl = new ItemSessionControl();
$itemSessionControl->setMaxAttempts(0);
$itemSession->setItemSessionControl($itemSessionControl);
$itemSession->beginItemSession();
$this->assertTrue($itemSession['WRONGSCORE']->equals(new Float(0.0)));
$this->assertTrue($itemSession['GOODSCORE']->equals(new Float(1.0)));
// 1st attempt to get 'GOODSCORE' as 'SCORE'.
$responses = new State(array(new ResponseVariable('RESPONSE', Cardinality::SINGLE, BaseType::IDENTIFIER, new Identifier('ChoiceA'))));
$itemSession->beginAttempt();
$itemSession->endAttempt($responses);
$this->assertTrue($itemSession['SCORE']->equals($itemSession['GOODSCORE']));
// 2nd attempt to get 'WRONGSCORE' as 'SCORE'.
$responses = new State(array(new ResponseVariable('RESPONSE', Cardinality::SINGLE, BaseType::IDENTIFIER, new Identifier('ChoiceB'))));
$itemSession->beginAttempt();
$itemSession->endAttempt($responses);
$this->assertTrue($itemSession['SCORE']->equals($itemSession['WRONGSCORE']));
}
public function testEvolutionBasicMultipleAttempts()
{
$count = 5;
$attempts = array(new Identifier('ChoiceA'), new Identifier('ChoiceB'), new Identifier('ChoiceC'), new Identifier('ChoiceD'), new Identifier('ChoiceE'));
$expected = array(new Float(0.0), new Float(1.0), new Float(0.0), new Float(0.0), new Float(0.0));
$itemSession = self::instantiateBasicAssessmentItemSession();
$itemSessionControl = new ItemSessionControl();
$itemSessionControl->setMaxAttempts($count);
$itemSession->setItemSessionControl($itemSessionControl);
$itemSession->beginItemSession();
for ($i = 0; $i < $count; $i++) {
// Here, manual set up of responses.
$this->assertTrue($itemSession->isAttemptable());
$itemSession->beginAttempt();
// simulate some time... 1 second to answer the item.
sleep(1);
$itemSession['RESPONSE'] = $attempts[$i];
$itemSession->endAttempt();
$this->assertInstanceOf('qtism\\common\\datatypes\\Float', $itemSession['SCORE']);
$this->assertTrue($expected[$i]->equals($itemSession['SCORE']));
$this->assertEquals($i + 1, $itemSession['numAttempts']->getValue());
// 1 more second before the next attempt.
// we are here in suspended mode so it will not be
// added to the duration.
sleep(1);
}
// The total duration shold have taken 5 seconds, the rest of the time was in SUSPENDED state.
$this->assertEquals(5, $itemSession['duration']->getSeconds(true));
// one more and we get an expection... :)
try {
$this->assertFalse($itemSession->isAttemptable());
$itemSession->beginAttempt();
$this->assertTrue(false);
} catch (AssessmentItemSessionException $e) {
$this->assertEquals(AssessmentItemSessionException::STATE_VIOLATION, $e->getCode());
}
}
public function testEvolutionBasicMultipleAttempts()
{
$count = 5;
$attempts = array(new QtiIdentifier('ChoiceA'), new QtiIdentifier('ChoiceB'), new QtiIdentifier('ChoiceC'), new QtiIdentifier('ChoiceD'), new QtiIdentifier('ChoiceE'));
$expected = array(new QtiFloat(0.0), new QtiFloat(1.0), new QtiFloat(0.0), new QtiFloat(0.0), new QtiFloat(0.0));
$itemSession = self::instantiateBasicAssessmentItemSession();
$itemSessionControl = new ItemSessionControl();
$itemSessionControl->setMaxAttempts($count);
$itemSession->setItemSessionControl($itemSessionControl);
$itemSession->setTime(self::createDate('2014-07-14 13:00:00'));
$itemSession->beginItemSession();
for ($i = 0; $i < $count; $i++) {
// Here, manual set up of responses.
$this->assertTrue($itemSession->isAttemptable());
$itemSession->beginAttempt();
// simulate some time... 1 second to answer the item.
$t = $i + 1;
$itemSession->setTime(self::createDate("2014-07-14 13:00:0{$t}"));
$itemSession['RESPONSE'] = $attempts[$i];
$itemSession->endAttempt();
$this->assertInstanceOf('qtism\\common\\datatypes\\QtiFloat', $itemSession['SCORE']);
$this->assertTrue($expected[$i]->equals($itemSession['SCORE']));
$this->assertEquals($t, $itemSession['numAttempts']->getValue());
}
// The total duration should have taken 5 seconds.
$this->assertEquals(5, $itemSession['duration']->getSeconds(true));
// one more and we get an exception... :)
try {
$this->assertFalse($itemSession->isAttemptable());
$itemSession->beginAttempt();
$this->assertTrue(false);
} catch (AssessmentItemSessionException $e) {
$this->assertEquals(AssessmentItemSessionException::ATTEMPTS_OVERFLOW, $e->getCode());
}
}
