public function testRegisterAdditionalDataValueFormatter() { $dataValueFormatter = $this->getMockBuilder('\\SMW\\DataValues\\ValueFormatters\\DataValueFormatter')->disableOriginalConstructor()->setMethods(array('isFormatterFor'))->getMockForAbstractClass(); $dataValueFormatter->expects($this->once())->method('isFormatterFor')->will($this->returnValue(true)); $dataValue = $this->getMockBuilder('\\SMWDataValue')->disableOriginalConstructor()->getMockForAbstractClass(); $instance = new ValueFormatterRegistry(); $instance->registerDataValueFormatter($dataValueFormatter); $this->assertInstanceOf('\\SMW\\DataValues\\ValueFormatters\\DataValueFormatter', $instance->getDataValueFormatterFor($dataValue)); }