/**
* Marshall a testVariable QTI element in its TestVariable object equivalent.
*
* @param \DOMElement A DOMElement object.
* @return \qtism\data\QtiComponent The corresponding TestVariable object.
*/
protected function unmarshall(DOMElement $element)
{
$baseComponent = parent::unmarshall($element);
if (($variableIdentifier = static::getDOMElementAttributeAs($element, 'variableIdentifier')) !== null) {
$object = new TestVariables($variableIdentifier);
$object->setSectionIdentifier($baseComponent->getSectionIdentifier());
$object->setIncludeCategories($baseComponent->getIncludeCategories());
$object->setExcludeCategories($baseComponent->getExcludeCategories());
if (($baseType = static::getDOMElementAttributeAs($element, 'baseType')) !== null) {
$object->setBaseType(BaseType::getConstantByName($baseType));
}
if (($weightIdentifier = static::getDOMElementAttributeAs($element, 'weightIdentifier')) !== null) {
$object->setWeightIdentifier($weightIdentifier);
}
return $object;
} else {
$msg = "The mandatory attribute 'variableIdentifier' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
}
public function testMarshall()
{
$sectionIdentifier = 'mySection1';
$variableIdentifier = 'myVariable1';
$includeCategory = 'cat1';
$excludeCategory = 'cat2 cat3';
$baseType = BaseType::INTEGER;
$weightIdentifier = 'myWeight1';
$component = new TestVariables($variableIdentifier, $baseType, $weightIdentifier);
$component->setSectionIdentifier($sectionIdentifier);
$component->setIncludeCategories(new IdentifierCollection(explode(" ", $includeCategory)));
$component->setExcludeCategories(new IdentifierCollection(explode(" ", $excludeCategory)));
$marshaller = $this->getMarshallerFactory('2.1.0')->createMarshaller($component);
$element = $marshaller->marshall($component);
$this->assertInstanceOf('\\DOMElement', $element);
$this->assertEquals('testVariables', $element->nodeName);
$this->assertEquals($sectionIdentifier, $element->getAttribute('sectionIdentifier'));
$this->assertEquals($variableIdentifier, $element->getAttribute('variableIdentifier'));
$this->assertEquals($weightIdentifier, $element->getAttribute('weightIdentifier'));
$this->assertEquals($includeCategory, $element->getAttribute('includeCategory'));
$this->assertEquals($excludeCategory, $element->getAttribute('excludeCategory'));
$this->assertEquals('integer', $element->getAttribute('baseType'));
}
protected static function getTestVariables($variableIdentifier, $baseType = -1, $weightIdentifier = '', $sectionIdentifier = '', IdentifierCollection $includeCategories = null, IdentifierCollection $excludeCategories = null)
{
$testVariables = new TestVariables($variableIdentifier, $baseType, $weightIdentifier);
$testVariables->setSectionIdentifier($sectionIdentifier);
if (empty($includeCategories) === false) {
$testVariables->setIncludeCategories($includeCategories);
}
if (empty($excludeCategories) === false) {
$testVariables->setExcludeCategories($excludeCategories);
}
return $testVariables;
}