public function testAppendOutcomeDeclarationToTest()
{
$doc = new XmlDocument();
$doc->load(self::samplesDir() . 'no-categories.xml');
TestCategoryRulesUtils::appendOutcomeDeclarationToTest($doc->getDocumentComponent(), 'TEST', BaseType::FLOAT, 0.0);
$outcome = $doc->getDocumentComponent()->getComponentByIdentifier('TEST');
$this->assertInstanceOf('qtism\\data\\state\\OutcomeDeclaration', $outcome);
$this->assertCount(1, $doc->getDocumentComponent()->getComponentsByClassName('outcomeDeclaration'));
$this->assertEquals(Cardinality::SINGLE, $outcome->getCardinality());
$this->assertEquals(BaseType::FLOAT, $outcome->getBaseType());
$this->assertEquals('TEST', $outcome->getIdentifier());
$defaultValue = $outcome->getDefaultValue();
$this->assertInstanceOf('qtism\\data\\state\\DefaultValue', $defaultValue);
$values = $defaultValue->getValues();
$this->assertCount(1, $values);
$this->assertEquals(0.0, $values[0]->getValue());
// Check that there is no duplicate if we add the same variable twice...
TestCategoryRulesUtils::appendOutcomeDeclarationToTest($doc->getDocumentComponent(), 'TEST', BaseType::FLOAT, 0.0);
$outcome = $doc->getDocumentComponent()->getComponentByIdentifier('TEST');
$this->assertInstanceOf('qtism\\data\\state\\OutcomeDeclaration', $outcome);
$this->assertEquals(1, count($doc->getDocumentComponent()->getComponentsByClassName('outcomeDeclaration')));
}
