/usr/lib/python2.7/dist-packages/networkx/algorithms/tests/test_hierarchy.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 | #!/usr/bin/env python
from nose.tools import *
import networkx as nx
def test_hierarchy_exception():
G = nx.cycle_graph(5)
assert_raises(nx.NetworkXError,nx.flow_hierarchy,G)
def test_hierarchy_cycle():
G = nx.cycle_graph(5,create_using=nx.DiGraph())
assert_equal(nx.flow_hierarchy(G),0.0)
def test_hierarchy_tree():
G = nx.full_rary_tree(2,16,create_using=nx.DiGraph())
assert_equal(nx.flow_hierarchy(G),1.0)
def test_hierarchy_1():
G = nx.DiGraph()
G.add_edges_from([(0,1),(1,2),(2,3),(3,1),(3,4),(0,4)])
assert_equal(nx.flow_hierarchy(G),0.5)
def test_hierarchy_weight():
G = nx.DiGraph()
G.add_edges_from([(0,1,{'weight':.3}),
(1,2,{'weight':.1}),
(2,3,{'weight':.1}),
(3,1,{'weight':.1}),
(3,4,{'weight':.3}),
(0,4,{'weight':.3})])
assert_equal(nx.flow_hierarchy(G,weight='weight'),.75)
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