/usr/lib/python2.7/dist-packages/networkx/generators/tests/test_atlas.py is in python-networkx 1.8.1-0ubuntu3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | from nose.tools import *
import networkx as nx
class TestAtlas(object):
def setUp(self):
self.GAG=nx.graph_atlas_g()
def test_sizes(self):
G=self.GAG[0]
assert_equal(G.number_of_nodes(),0)
assert_equal(G.number_of_edges(),0)
G=self.GAG[7]
assert_equal(G.number_of_nodes(),3)
assert_equal(G.number_of_edges(),3)
def test_names(self):
i=0
for g in self.GAG:
name=g.name
assert_equal(int(name[1:]),i)
i+=1
def test_monotone_nodes(self):
# check for monotone increasing number of nodes
previous=self.GAG[0]
for g in self.GAG:
assert_false(len(g)-len(previous) > 1)
previous=g.copy()
def test_monotone_nodes(self):
# check for monotone increasing number of edges
# (for fixed number of nodes)
previous=self.GAG[0]
for g in self.GAG:
if len(g)==len(previous):
assert_false(g.size()-previous.size() > 1)
previous=g.copy()
def test_monotone_degree_sequence(self):
# check for monotone increasing degree sequence
# (for fixed number f nodes and edges)
# note that 111223 < 112222
previous=self.GAG[0]
for g in self.GAG:
if len(g)==0:
continue
if len(g)==len(previous) & g.size()==previous.size():
deg_seq=sorted(g.degree().values())
previous_deg_seq=sorted(previous.degree().values())
assert_true(previous_deg_seq < deg_seq)
previous=g.copy()
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