1 #!/usr/bin/env python 2 """ 3 Pajek tests 4 """ 5 from nose.tools import assert_equal 6 from networkx import * 7 import os,tempfile 8 from io import open 9 from networkx.testing import * 10 11 class TestPajek(object): 12 def setUp(self): 13 self.data="""*network Tralala\n*vertices 4\n 1 "A1" 0.0938 0.0896 ellipse x_fact 1 y_fact 1\n 2 "Bb" 0.8188 0.2458 ellipse x_fact 1 y_fact 1\n 3 "C" 0.3688 0.7792 ellipse x_fact 1\n 4 "D2" 0.9583 0.8563 ellipse x_fact 1\n*arcs\n1 1 1 h2 0 w 3 c Blue s 3 a1 -130 k1 0.6 a2 -130 k2 0.6 ap 0.5 l "Bezier loop" lc BlueViolet fos 20 lr 58 lp 0.3 la 360\n2 1 1 h2 0 a1 120 k1 1.3 a2 -120 k2 0.3 ap 25 l "Bezier arc" lphi 270 la 180 lr 19 lp 0.5\n1 2 1 h2 0 a1 40 k1 2.8 a2 30 k2 0.8 ap 25 l "Bezier arc" lphi 90 la 0 lp 0.65\n4 2 -1 h2 0 w 1 k1 -2 k2 250 ap 25 l "Circular arc" c Red lc OrangeRed\n3 4 1 p Dashed h2 0 w 2 c OliveGreen ap 25 l "Straight arc" lc PineGreen\n1 3 1 p Dashed h2 0 w 5 k1 -1 k2 -20 ap 25 l "Oval arc" c Brown lc Black\n3 3 -1 h1 6 w 1 h2 12 k1 -2 k2 -15 ap 0.5 l "Circular loop" c Red lc OrangeRed lphi 270 la 180""" 14 self.G=nx.MultiDiGraph() 15 self.G.add_nodes_from(['A1', 'Bb', 'C', 'D2']) 16 self.G.add_edges_from([('A1', 'A1'), ('A1', 'Bb'), ('A1', 'C'), 17 ('Bb', 'A1'),('C', 'C'), ('C', 'D2'), 18 ('D2', 'Bb')]) 19 20 self.G.graph['name']='Tralala' 21 (self.fd,self.fname)=tempfile.mkstemp() 22 fh=open(self.fname,'wb') 23 fh.write(self.data.encode('UTF-8')) 24 fh.close() 25 26 def tearDown(self): 27 os.close(self.fd) 28 os.unlink(self.fname) 29 30 def test_parse_pajek_simple(self): 31 # Example without node positions or shape 32 data="""*Vertices 2\n1 "1"\n2 "2"\n*Edges\n1 2\n2 1""" 33 G=parse_pajek(data) 34 assert_equal(sorted(G.nodes()), ['1', '2']) 35 assert_edges_equal(G.edges(), [('1', '2'), ('1', '2')]) 36 37 def test_parse_pajek(self): 38 G=parse_pajek(self.data) 39 assert_equal(sorted(G.nodes()), ['A1', 'Bb', 'C', 'D2']) 40 assert_edges_equal(G.edges(), [('A1', 'A1'), ('A1', 'Bb'), 41 ('A1', 'C'), ('Bb', 'A1'), 42 ('C', 'C'), ('C', 'D2'), ('D2', 'Bb')]) 43 44 def test_read_pajek(self): 45 G=parse_pajek(self.data) 46 Gin=read_pajek(self.fname) 47 assert_equal(sorted(G.nodes()), sorted(Gin.nodes())) 48 assert_edges_equal(G.edges(), Gin.edges()) 49 assert_equal(self.G.graph,Gin.graph) 50 for n in G.node: 51 assert_equal(G.node[n],Gin.node[n]) 52