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<?php

namespace SMW\Tests\DataValues;

use SMW\DataItemFactory;
use SMW\DataValues\UniquenessConstraintValue;
use SMW\Tests\TestEnvironment;

/**
 * @covers \SMW\DataValues\UniquenessConstraintValue
 * @group semantic-mediawiki
 *
 * @license GNU GPL v2+
 * @since 2.4
 *
 * @author mwjames
 */
class UniquenessConstraintValueTest extends \PHPUnit_Framework_TestCase {

	private $testEnvironment;
	private $dataItemFactory;
	private $propertySpecificationLookup;

	protected function setUp() {
		$this->testEnvironment = new TestEnvironment();
		$this->dataItemFactory = new DataItemFactory();

		$this->propertySpecificationLookup = $this->getMockBuilder( '\SMW\PropertySpecificationLookup' )
			->disableOriginalConstructor()
			->getMock();

		$this->testEnvironment->registerObject( 'PropertySpecificationLookup', $this->propertySpecificationLookup );
	}

	protected function tearDown() {
		$this->testEnvironment->tearDown();
	}

	public function testCanConstruct() {

		$this->assertInstanceOf(
			'\SMW\DataValues\UniquenessConstraintValue',
			new UniquenessConstraintValue()
		);
	}

	public function testErrorForMissingFeatureSetting() {

		$instance = new UniquenessConstraintValue();

		$instance->setOption( 'smwgDVFeatures', '' );
		$instance->setUserValue( 'Foo' );

		$this->assertNotEmpty(
			$instance->getErrors()
		);
	}

	public function testErrorForInvalidBoolean() {

		$instance = new UniquenessConstraintValue();

		$instance->setOption( 'smwgDVFeatures', SMW_DV_PVUC );
		$instance->setUserValue( 'Foo' );

		$this->assertNotEmpty(
			$instance->getErrors()
		);
	}

}