public function testGetInstance()
 {
     $instance = PropertyRegistry::getInstance();
     $this->assertSame($instance, PropertyRegistry::getInstance());
     PropertyRegistry::clear();
     $this->assertNotSame($instance, PropertyRegistry::getInstance());
 }
 protected function tearDown()
 {
     ApplicationFactory::clear();
     NamespaceExaminer::clear();
     PropertyRegistry::clear();
     Settings::clear();
     Exporter::getInstance()->clear();
     parent::tearDown();
 }
 protected function tearDown()
 {
     // If setUp is skipped early this might not be initialized
     if ($this->testEnvironment !== null) {
         $this->testEnvironment->tearDown();
     }
     ApplicationFactory::clear();
     NamespaceExaminer::clear();
     PropertyRegistry::clear();
     Settings::clear();
     Exporter::getInstance()->clear();
     parent::tearDown();
 }
 /**
  * @dataProvider preferredLabelValueProvider
  */
 public function testFormatWithPreferredLabel($property, $preferredLabel, $type, $linker, $expected)
 {
     // Ensures the mocked instance is injected and registered with the
     // PropertyRegistry instance
     \SMW\PropertyRegistry::clear();
     $this->propertyLabelFinder = $this->getMockBuilder('\\SMW\\PropertyLabelFinder')->disableOriginalConstructor()->getMock();
     $this->propertyLabelFinder->expects($this->any())->method('findPropertyListByLabelAndLanguageCode')->will($this->returnValue(array()));
     $this->propertyLabelFinder->expects($this->any())->method('findPreferredPropertyLabelByLanguageCode')->will($this->returnValue($preferredLabel));
     $this->propertyLabelFinder->expects($this->any())->method('searchPropertyIdByLabel')->will($this->returnValue(false));
     $this->testEnvironment->registerObject('PropertyLabelFinder', $this->propertyLabelFinder);
     $propertyValue = new PropertyValue();
     $propertyValue->setOption('smwgDVFeatures', SMW_DV_PROV_LHNT);
     $propertyValue->setOption(PropertyValue::OPT_CONTENT_LANGUAGE, 'en');
     $propertyValue->setOption(PropertyValue::OPT_USER_LANGUAGE, 'en');
     $propertyValue->setUserValue($property);
     $instance = new PropertyValueFormatter($propertyValue);
     $expected = $this->testEnvironment->getLocalizedTextByNamespace(SMW_NS_PROPERTY, $expected);
     $this->assertEquals($expected, $instance->format($type, $linker));
     \SMW\PropertyRegistry::clear();
 }