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- from graph import GraphState
- import tables as lc
-
- def demograph():
- g = GraphState()
- g.add_edge(0,1)
- g.add_edge(1,2)
- g.add_edge(2,0)
- g.add_edge(0,3)
- g.add_edge(100,200)
- return g
-
- def test_graph():
- g = demograph()
- assert g.ngbh[0]==set([1,2,3])
- g.del_edge(0,1)
- assert g.ngbh[0]==set([2, 3])
- assert g.has_edge(1,2)
- assert not g.has_edge(0,1)
-
- def test_local_complementation():
- """ Test that local complementation works as expected """
- g = demograph()
- g.local_complementation(0)
- assert g.has_edge(0, 1)
- assert g.has_edge(0, 2)
- assert not g.has_edge(1, 2)
- assert g.has_edge(3, 2)
- assert g.has_edge(3, 1)
-
- # TODO: test VOP conditions
-
- def test_remove_vop():
- """ Test that removing VOPs really works """
- g = demograph()
- g.remove_vop(0, 1)
- assert g.vops[0] == lc.by_name["identity"]
- g.remove_vop(1, 1)
- assert g.vops[1] == lc.by_name["identity"]
- g.remove_vop(2, 1)
- assert g.vops[2] == lc.by_name["identity"]
- g.remove_vop(0, 1)
- assert g.vops[0] == lc.by_name["identity"]
-
- def test_edgelist():
- """ Test making edgelists """
- g = demograph()
- el = g.edgelist()
- assert (0,3) in el
- assert (0,2) in el
- assert (100,200) in el
-
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