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#!/usr/bin/env python
from nose.tools import *
import networkx as nx
from networkx.algorithms import isomorphism as iso
class TestIsomorph:
def setUp(self):
self.G1=nx.Graph()
self.G2=nx.Graph()
self.G3=nx.Graph()
self.G4=nx.Graph()
self.G1.add_edges_from([ [1,2],[1,3],[1,5],[2,3] ])
self.G2.add_edges_from([ [10,20],[20,30],[10,30],[10,50] ])
self.G3.add_edges_from([ [1,2],[1,3],[1,5],[2,5] ])
self.G4.add_edges_from([ [1,2],[1,3],[1,5],[2,4] ])
def test_could_be_isomorphic(self):
assert_true(iso.could_be_isomorphic(self.G1,self.G2))
assert_true(iso.could_be_isomorphic(self.G1,self.G3))
assert_false(iso.could_be_isomorphic(self.G1,self.G4))
assert_true(iso.could_be_isomorphic(self.G3,self.G2))
def test_fast_could_be_isomorphic(self):
assert_true(iso.fast_could_be_isomorphic(self.G3,self.G2))
def test_faster_could_be_isomorphic(self):
assert_true(iso.faster_could_be_isomorphic(self.G3,self.G2))
def test_is_isomorphic(self):
assert_true(iso.is_isomorphic(self.G1,self.G2))
assert_false(iso.is_isomorphic(self.G1,self.G4))
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