/** * @expectedException \LogicException * @expectedExceptionMessage Unable to resolve the source file for 'context/Magento_Module/dir/file.css' */ public function testGetSourceFileMissing() { $this->context->expects($this->once())->method('getPath')->will($this->returnValue('context')); $this->source->expects($this->once())->method('getFile')->will($this->returnValue(false)); $this->object->getSourceFile(); }