public function testPropertyDescriptionMsgKey()
{
$datatypeRegistry = $this->getMockBuilder('\\SMW\\DataTypeRegistry')->disableOriginalConstructor()->getMock();
$datatypeRegistry->expects($this->once())->method('getKnownTypeLabels')->will($this->returnValue(array()));
$datatypeRegistry->expects($this->once())->method('getKnownTypeAliases')->will($this->returnValue(array()));
$store = $this->getMockBuilder('\\SMW\\Store')->disableOriginalConstructor()->getMockForAbstractClass();
$propertyLabelFinder = new PropertyLabelFinder($store, array());
$propertyAliases = new PropertyAliasFinder();
$instance = new PropertyRegistry($datatypeRegistry, $propertyLabelFinder, $propertyAliases);
$instance->registerPropertyDescriptionMsgKeyById('_foo', 'bar');
$this->assertEquals('bar', $instance->findPropertyDescriptionMsgKeyById('_foo'));
$this->assertEmpty($instance->findPropertyDescriptionMsgKeyById('unknown'));
}
