text: import os
  
  from numpy import testing as npt
  from pandas import testing as pdt
  
  from vascpy.section_vasculature import SectionVasculature
  
  _PATH = os.path.dirname(os.path.abspath(__file__))
  
  
  def test_full_cycle():
  
      filepath = os.path.join(_PATH, "data/h5/capillary_with_loops.h5")
  
      s1 = SectionVasculature.load(filepath)
      p1 = s1.as_point_graph()
  
      s2 = p1.as_section_graph()
      p2 = s2.as_point_graph()
  
      npt.assert_array_equal(p1.edges, p2.edges)
      npt.assert_allclose(p1.points, p2.points)
      npt.assert_allclose(p1.diameters, p2.diameters)
  
  
  def test_full_cycle__wout_section_ids():
  
      filepath = os.path.join(_PATH, "data/h5/capillary_with_loops.h5")
  
      s1 = SectionVasculature.load(filepath)
      p1 = s1.as_point_graph()
      p1.edge_properties.drop(columns=["section_id", "segment_id"], inplace=True)
  
      s2 = p1.as_section_graph()
      p2 = s2.as_point_graph()
  
      npt.assert_array_equal(p1.edges, p2.edges)
      npt.assert_allclose(p1.points, p2.points)
      npt.assert_allclose(p1.diameters, p2.diameters)
  