/usr/lib/python3/dist-packages/networkx/readwrite/json_graph/tests/test_node_link.py is in python3-networkx 1.9+dfsg1-1.
This file is owned by root:root, with mode 0o644.
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import json
from nose.tools import assert_equal, assert_raises, assert_not_equal, assert_true, raises
import networkx as nx
from networkx.readwrite.json_graph import *
class TestNodeLink:
def test_graph(self):
G = nx.path_graph(4)
H = node_link_graph(node_link_data(G))
nx.is_isomorphic(G,H)
def test_graph_attributes(self):
G = nx.path_graph(4)
G.add_node(1,color='red')
G.add_edge(1,2,width=7)
G.graph[1]='one'
G.graph['foo']='bar'
H = node_link_graph(node_link_data(G))
assert_equal(H.graph['foo'],'bar')
assert_equal(H.node[1]['color'],'red')
assert_equal(H[1][2]['width'],7)
d=json.dumps(node_link_data(G))
H = node_link_graph(json.loads(d))
assert_equal(H.graph['foo'],'bar')
assert_equal(H.graph[1],'one')
assert_equal(H.node[1]['color'],'red')
assert_equal(H[1][2]['width'],7)
def test_digraph(self):
G = nx.DiGraph()
H = node_link_graph(node_link_data(G))
assert_true(H.is_directed())
def test_multigraph(self):
G = nx.MultiGraph()
G.add_edge(1,2,key='first')
G.add_edge(1,2,key='second',color='blue')
H = node_link_graph(node_link_data(G))
nx.is_isomorphic(G,H)
assert_equal(H[1][2]['second']['color'],'blue')
def test_unicode_keys(self):
try:
q = unicode("qualité",'utf-8')
except NameError:
q = "qualité"
G = nx.Graph()
G.add_node(1, {q:q})
s = node_link_data(G)
output = json.dumps(s, ensure_ascii=False)
data = json.loads(output)
H = node_link_graph(data)
assert_equal(H.node[1][q], q)
@raises(nx.NetworkXError)
def test_exception(self):
G = nx.MultiDiGraph()
attrs = dict(id='id', source='node', target='node', key='node')
node_link_data(G, attrs)
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