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import unittest
from igraph import *
class GameTests(unittest.TestCase):
def testGRG(self):
g = Graph.GRG(50, 0.2)
self.assertTrue(isinstance(g, Graph))
g = Graph.GRG(50, 0.2, True)
self.assertTrue(isinstance(g, Graph))
self.assertTrue("x" in g.vertex_attributes())
self.assertTrue("y" in g.vertex_attributes())
self.assertTrue(isinstance(Layout(zip(g.vs["x"], g.vs["y"])), Layout))
def testForestFire(self):
g=Graph.Forest_Fire(100, 0.1)
self.assertTrue(isinstance(g, Graph) and g.is_directed() == False)
g=Graph.Forest_Fire(100, 0.1, directed=True)
self.assertTrue(isinstance(g, Graph) and g.is_directed() == True)
def testRecentDegree(self):
g=Graph.Recent_Degree(100, 5, 10)
self.assertTrue(isinstance(g, Graph))
def testPreference(self):
g=Graph.Preference(100, [1, 1], [[1, 0], [0, 1]])
self.assertTrue(isinstance(g, Graph) and len(g.clusters()) == 2)
g=Graph.Preference(100, [1, 1], [[1, 0], [0, 1]], attribute="type")
l=g.vs.get_attribute_values("type")
self.assertTrue(min(l) == 0 and max(l) == 1)
def testAsymmetricPreference(self):
g=Graph.Asymmetric_Preference(100, [[0, 1], [1, 0]], [[0, 1], [1, 0]])
self.assertTrue(isinstance(g, Graph) and len(g.clusters()) == 2)
g=Graph.Asymmetric_Preference(100, [[0, 1], [1, 0]], [[1, 0], [0, 1]],\
attribute="type")
l=g.vs.get_attribute_values("type")
l1=[i[0] for i in l]
l2=[i[1] for i in l]
self.assertTrue(min(l1) == 0 and max(l1) == 1 and
min(l2) == 0 and max(l2) == 1)
g=Graph.Asymmetric_Preference(100, [[0, 1], [1, 0]], [[1, 0], [0, 1]])
self.assertTrue(isinstance(g, Graph) and len(g.clusters()) == 1)
def testWattsStrogatz(self):
g=Graph.Watts_Strogatz(1, 20, 1, 0.2)
self.assertTrue(isinstance(g, Graph) and g.vcount()==20 and g.ecount()==20)
def testRandomBipartiteNP(self):
# Test np mode, undirected
g = Graph.Random_Bipartite(10, 20, p=0.25)
self.assertTrue(g.is_simple())
self.assertTrue(g.is_bipartite())
self.assertFalse(g.is_directed())
self.assertEqual([False]*10 + [True]*20, g.vs["type"])
# Test np mode, directed, "out"
g = Graph.Random_Bipartite(10, 20, p=0.25, directed=True, neimode="out")
self.assertTrue(g.is_simple())
self.assertTrue(g.is_bipartite())
self.assertTrue(g.is_directed())
self.assertEqual([False]*10 + [True]*20, g.vs["type"])
self.assertTrue(all(g.vs[e.tuple]["type"] == [False, True] for e in g.es))
# Test np mode, directed, "in"
g = Graph.Random_Bipartite(10, 20, p=0.25, directed=True, neimode="in")
self.assertTrue(g.is_simple())
self.assertTrue(g.is_bipartite())
self.assertTrue(g.is_directed())
self.assertEqual([False]*10 + [True]*20, g.vs["type"])
self.assertTrue(all(g.vs[e.tuple]["type"] == [True, False] for e in g.es))
# Test np mode, directed, "all"
g = Graph.Random_Bipartite(10, 20, p=0.25, directed=True, neimode="all")
self.assertTrue(g.is_simple())
self.assertTrue(g.is_bipartite())
self.assertTrue(g.is_directed())
self.assertEqual([False]*10 + [True]*20, g.vs["type"])
def testRandomBipartiteNM(self):
# Test np mode, undirected
g = Graph.Random_Bipartite(10, 20, m=50)
self.assertTrue(g.is_simple())
self.assertTrue(g.is_bipartite())
self.assertFalse(g.is_directed())
self.assertEqual(50, g.ecount())
self.assertEqual([False]*10 + [True]*20, g.vs["type"])
# Test np mode, directed, "out"
g = Graph.Random_Bipartite(10, 20, m=50, directed=True, neimode="out")
self.assertTrue(g.is_simple())
self.assertTrue(g.is_bipartite())
self.assertTrue(g.is_directed())
self.assertEqual(50, g.ecount())
self.assertEqual([False]*10 + [True]*20, g.vs["type"])
self.assertTrue(all(g.vs[e.tuple]["type"] == [False, True] for e in g.es))
# Test np mode, directed, "in"
g = Graph.Random_Bipartite(10, 20, m=50, directed=True, neimode="in")
self.assertTrue(g.is_simple())
self.assertTrue(g.is_bipartite())
self.assertTrue(g.is_directed())
self.assertEqual(50, g.ecount())
self.assertEqual([False]*10 + [True]*20, g.vs["type"])
self.assertTrue(all(g.vs[e.tuple]["type"] == [True, False] for e in g.es))
# Test np mode, directed, "all"
g = Graph.Random_Bipartite(10, 20, m=50, directed=True, neimode="all")
self.assertTrue(g.is_simple())
self.assertTrue(g.is_bipartite())
self.assertTrue(g.is_directed())
self.assertEqual(50, g.ecount())
self.assertEqual([False]*10 + [True]*20, g.vs["type"])
def testRewire(self):
# Undirected graph
g=Graph.GRG(25, 0.4)
degrees=g.degree()
# Rewiring without loops
g.rewire(10000)
self.assertEqual(degrees, g.degree())
self.assertTrue(g.is_simple())
# Rewiring with loops (1)
g.rewire(10000, mode="loops")
self.assertEqual(degrees, g.degree())
self.assertFalse(any(g.is_multiple()))
# Rewiring with loops (2)
g = Graph.Full(4)
g[1,3] = 0
degrees = g.degree()
g.rewire(100, mode="loops")
self.assertEqual(degrees, g.degree())
self.assertFalse(any(g.is_multiple()))
# Directed graph
g=Graph.GRG(25, 0.4)
g.to_directed("mutual")
indeg, outdeg = g.indegree(), g.outdegree()
g.rewire(10000)
self.assertEqual(indeg, g.indegree())
self.assertEqual(outdeg, g.outdegree())
self.assertTrue(g.is_simple())
# Directed graph with loops
g.rewire(10000, mode="loops")
self.assertEqual(indeg, g.indegree())
self.assertEqual(outdeg, g.outdegree())
self.assertFalse(any(g.is_multiple()))
def suite():
game_suite = unittest.makeSuite(GameTests)
return unittest.TestSuite([game_suite])
def test():
runner = unittest.TextTestRunner()
runner.run(suite())
if __name__ == "__main__":
test()
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