Arrow is not found about ascii-graphs HOT 2 CLOSED

val diagram = Diagram("""
  +-------+         
  | op1   |         
  +-------+         
    |               
    |               
    ----            
       |            
       v            
    +-----+         
    |gbk1 |         
    +-----+         """)

{
  val boxes = diagram.allBoxes
  val Some(op1) = boxes.find(_.text.contains("op1"))
  val Some(gbk1) = boxes.find(_.text.contains("gbk1"))
  val List(edge) = op1.edges
  edge.hasArrow1 should be(false)
  edge.hasArrow2 should be(true)
}

{
  val graph = Graph.fromDiagram(diagram)
  val Some(op1) = graph.vertices.find(_ contains ("op1"))
  val Some(gbk1) = graph.vertices.find(_ contains ("gbk1"))
  val List(edge) = graph.edges
  edge should be ((op1, gbk1))
}