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#!/usr/bin/env python
from nose.tools import *
import networkx as nx
import os,tempfile
class TestGraph6(object):
def test_parse_graph6(self):
data="""DF{"""
G=nx.parse_graph6(data)
assert_equal(sorted(G.nodes()),[0, 1, 2, 3, 4])
assert_equal([e for e in sorted(G.edges())],
[(0, 3), (0, 4), (1, 3), (1, 4), (2, 3), (2, 4), (3, 4)])
def test_read_graph6(self):
data="""DF{"""
G=nx.parse_graph6(data)
(fd,fname)=tempfile.mkstemp()
fh=open(fname,'w')
b=fh.write(data)
fh.close()
Gin=nx.read_graph6(fname)
assert_equal(sorted(G.nodes()),sorted(Gin.nodes()))
assert_equal(sorted(G.edges()),sorted(Gin.edges()))
os.close(fd)
os.unlink(fname)
def test_read_many_graph6(self):
# Read many graphs into list
data="""DF{\nD`{\nDqK\nD~{\n"""
(fd,fname)=tempfile.mkstemp()
fh=open(fname,'w')
b=fh.write(data)
fh.close()
glist=nx.read_graph6_list(fname)
assert_equal(len(glist),4)
for G in glist:
assert_equal(sorted(G.nodes()),[0, 1, 2, 3, 4])
os.close(fd)
os.unlink(fname)
class TestSparseGraph6(object):
def test_parse_sparse6(self):
data=""":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM"""
G=nx.parse_sparse6(data)
assert_equal(sorted(G.nodes()),
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17])
assert_equal([e for e in sorted(G.edges())],
[(0, 1), (0, 2), (0, 3), (1, 12), (1, 14), (2, 13),
(2, 15), (3, 16), (3, 17), (4, 7), (4, 9), (4, 11),
(5, 6), (5, 8), (5, 9), (6, 10), (6, 11), (7, 8),
(7, 10), (8, 12), (9, 15), (10, 14), (11, 13),
(12, 16), (13, 17), (14, 17), (15, 16)])
def test_read_sparse6(self):
data=""":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM"""
G=nx.parse_sparse6(data)
(fd,fname)=tempfile.mkstemp()
fh=open(fname,'w')
b=fh.write(data)
fh.close()
Gin=nx.read_sparse6(fname)
assert_equal(sorted(G.nodes()),sorted(Gin.nodes()))
assert_equal(sorted(G.edges()),sorted(Gin.edges()))
os.close(fd)
os.unlink(fname)
def test_read_many_graph6(self):
# Read many graphs into list
data=""":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM\n:Q___dCfDEdcEgcbEGbFIaJ`JaHN`IM"""
(fd,fname)=tempfile.mkstemp()
fh=open(fname,'w')
b=fh.write(data)
fh.close()
glist=nx.read_sparse6_list(fname)
assert_equal(len(glist),2)
for G in glist:
assert_equal(sorted(G.nodes()),
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17])
os.close(fd)
os.unlink(fname)
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