public function testRenderRelationElementWithPropertyPath() { $this->fieldDescription->expects($this->exactly(1))->method('getOption')->will($this->returnCallback(function ($value, $default = null) { if ($value == 'associated_property') { return 'foo'; } })); $element = new \stdClass(); $element->foo = 'bar'; $this->assertEquals('bar', $this->twigExtension->renderRelationElement($element, $this->fieldDescription)); }