def setUp(self):
self.G = DiGraph()
def setUp(self):
self.G = DiGraph()
class DiGraph_test(object):
def setUp(self):
self.G = DiGraph()
def tearDown(self):
self.G = None
def test_add_remove_nodes(self):
assert self.G.number_of_nodes() == 0
self.G.add_node(0)
assert self.G.number_of_nodes() == 1
self.G.add_nodes_from(range(10))
assert self.G.number_of_nodes() == 10
self.G.remove_node(0)
assert self.G.number_of_nodes() == 9
def test_add_remove_edges(self):
assert self.G.number_of_nodes() == 0
self.G.add_edge(0, 1)
assert self.G.number_of_nodes() == 2
self.G.add_edge(0, 2)
assert self.G.number_of_nodes() == 3
self.G.remove_edge(0, 1)
assert self.G.number_of_nodes() == 3
assert self.G.has_edge(0, 2) and not self.G.has_edge(0, 1)
def test_add_remove_edges_from(self):
assert self.G.number_of_nodes() == 0
self.G.add_edges_from([(0, 1), (0, 2)])
assert self.G.number_of_nodes() == 3
self.G.add_edges_from([(0, 1), (1, 3)])
assert self.G.number_of_nodes() == 4
self.G.remove_edges_from([(0, 2), (0, 1)])
assert self.G.number_of_nodes() == 4
assert self.G.has_edge(1, 3)
assert not self.G.has_edge(0, 2) and not self.G.has_edge(0, 1)
class DiGraph_test:
def setUp(self):
self.G = DiGraph()
def tearDown(self):
self.G = None
def test_add_remove_nodes(self):
assert self.G.number_of_nodes() == 0
self.G.add_node(0)
assert self.G.number_of_nodes() == 1
self.G.add_nodes_from(range(10))
assert self.G.number_of_nodes() == 10
def test_add_remove_edges(self):
assert self.G.number_of_nodes() == 0
self.G.add_edge(0,1)
assert self.G.number_of_nodes() == 2
self.G.add_edge(0,2)
assert self.G.number_of_nodes() == 3
self.G.remove_edge(0,1)
assert self.G.number_of_nodes() == 3
assert self.G.has_edge(0, 2) and not self.G.has_edge(0, 1)
def test_add_remove_edges_from(self):
assert self.G.number_of_nodes() == 0
self.G.add_edges_from([(0,1), (0,2)])
assert self.G.number_of_nodes() == 3
self.G.add_edges_from([(0,1), (1,3)])
assert self.G.number_of_nodes() == 4
self.G.remove_edges_from([(0,2), (0,1)])
assert self.G.number_of_nodes() == 4
assert self.G.has_edge(1, 3)
assert not self.G.has_edge(0, 2) and not self.G.has_edge(0, 1)