public function testAddErrors() { $sut = new Dfp_Datafeed_File_Reader(); $mockFormat = $this->getMock('Dfp_Datafeed_File_Reader_Format_Interface'); $mockFormat->expects($this->once())->method('addErrors')->with($this->equalTo(array('error', 'error2'))); $sut->setFormat($mockFormat); $sut->addErrors(array('error', 'error2')); }