def test_write_undirected(self): G = zen.Graph() G.add_nodes(5) G.add_edge_(0,1) G.add_edge_(1,2) G.add_edge_(3,4) fd,fname = tempfile.mkstemp() os.close(fd) memlist.write(G,fname) G2 = memlist.read(fname,directed=False) self.assertEqual(len(G2),len(G)) self.assertEqual(G2.size(),G.size())
def test_write_undirected(self):
G = zen.Graph()
G.add_nodes(5)
G.add_edge_(0, 1)
G.add_edge_(1, 2)
G.add_edge_(3, 4)
fd, fname = tempfile.mkstemp()
os.close(fd)
memlist.write(G, fname)
G2 = memlist.read(fname, directed=False)
self.assertEqual(len(G2), len(G))
self.assertEqual(G2.size(), G.size())
def test_write_compact_undirected(self):
G = zen.Graph()
G.add_nodes(5)
e1 = G.add_edge_(0,1)
G.add_edge_(1,2)
# this should succeed
fd,fname = tempfile.mkstemp()
os.close(fd)
memlist.write(G,fname)
# this should fail because the graph isn't compact
G.rm_edge_(e1)
try:
memlist.write(G,fname)
self.fail('Writing an uncompact graph should raise an exception')
except zen.ZenException:
pass
def test_write_compact_undirected(self):
G = zen.Graph()
G.add_nodes(5)
e1 = G.add_edge_(0, 1)
G.add_edge_(1, 2)
# this should succeed
fd, fname = tempfile.mkstemp()
os.close(fd)
memlist.write(G, fname)
# this should fail because the graph isn't compact
G.rm_edge_(e1)
try:
memlist.write(G, fname)
self.fail('Writing an uncompact graph should raise an exception')
except zen.ZenException:
pass
