def test_portgraph_add_vertex():
pg = PortGraph()
vid = pg.add_vertex()
assert pg.nb_vertices() == 1
assert_raises(InvalidVertex, lambda: pg.add_vertex(vid))
assert len(tuple(pg.ports(vid))) == 0
assert pg.actor(vid) is None
def test_portgraph_add_vertex():
pg = PortGraph()
vid = pg.add_vertex()
assert pg.nb_vertices() == 1
assert_raises(InvalidVertex, lambda: pg.add_vertex(vid))
assert len(tuple(pg.ports(vid))) == 0
assert pg.actor(vid) is None
def test_portgraph_clear():
pg = PortGraph()
vid1 = pg.add_vertex()
vid2 = pg.add_vertex()
pid1 = pg.add_in_port(vid1, "in")
pid2 = pg.add_out_port(vid2, "out")
pg.connect(pid2, pid1)
pg.clear()
assert pg.nb_vertices() == 0
assert pg.nb_edges() == 0
assert len(tuple(pg.ports())) == 0
def test_portgraph_clear():
pg = PortGraph()
vid1 = pg.add_vertex()
vid2 = pg.add_vertex()
pid1 = pg.add_in_port(vid1, "in")
pid2 = pg.add_out_port(vid2, "out")
pg.connect(pid2, pid1)
pg.clear()
assert pg.nb_vertices() == 0
assert pg.nb_edges() == 0
assert len(tuple(pg.ports())) == 0
def test_portgraph_init():
pg = PortGraph()
assert pg.nb_vertices() == 0
assert pg.nb_edges() == 0
def test_portgraph_init():
pg = PortGraph()
assert pg.nb_vertices() == 0
assert pg.nb_edges() == 0
