63 lines
1.3 KiB
Python
63 lines
1.3 KiB
Python
import networkx as nx
|
|
import io
|
|
from networkx.readwrite.p2g import *
|
|
from networkx.testing import *
|
|
|
|
|
|
class TestP2G:
|
|
|
|
@classmethod
|
|
def setup_class(cls):
|
|
cls.G = nx.Graph(name="test")
|
|
e = [('a', 'b'), ('b', 'c'), ('c', 'd'), ('d', 'e'), ('e', 'f'), ('a', 'f')]
|
|
cls.G.add_edges_from(e)
|
|
cls.G.add_node('g')
|
|
cls.DG = nx.DiGraph(cls.G)
|
|
|
|
def test_read_p2g(self):
|
|
s = b"""\
|
|
name
|
|
3 4
|
|
a
|
|
1 2
|
|
b
|
|
|
|
c
|
|
0 2
|
|
"""
|
|
bytesIO = io.BytesIO(s)
|
|
G = read_p2g(bytesIO)
|
|
assert G.name == 'name'
|
|
assert sorted(G) == ['a', 'b', 'c']
|
|
edges = [(str(u), str(v)) for u, v in G.edges()]
|
|
assert_edges_equal(G.edges(), [('a', 'c'), ('a', 'b'), ('c', 'a'), ('c', 'c')])
|
|
|
|
def test_write_p2g(self):
|
|
s = b"""foo
|
|
3 2
|
|
1
|
|
1
|
|
2
|
|
2
|
|
3
|
|
|
|
"""
|
|
fh = io.BytesIO()
|
|
G = nx.OrderedDiGraph()
|
|
G.name = 'foo'
|
|
G.add_edges_from([(1, 2), (2, 3)])
|
|
write_p2g(G, fh)
|
|
fh.seek(0)
|
|
r = fh.read()
|
|
assert r == s
|
|
|
|
def test_write_read_p2g(self):
|
|
fh = io.BytesIO()
|
|
G = nx.DiGraph()
|
|
G.name = 'foo'
|
|
G.add_edges_from([('a', 'b'), ('b', 'c')])
|
|
write_p2g(G, fh)
|
|
fh.seek(0)
|
|
H = read_p2g(fh)
|
|
assert_edges_equal(G.edges(), H.edges())
|