def test_undirected_weighted_star(self):
G = nx.Graph()
G.add_edge(1, 2, weight=1)
G.add_edge(1, 3, weight=2)
centrality = nx.local_reaching_centrality(G, 1, weight='weight',
normalized=False)
assert_equal(centrality, 1.5)
def test_undirected_weighted_star(self):
G = nx.Graph()
G.add_weighted_edges_from([(1, 2, 1), (1, 3, 2)])
centrality = nx.local_reaching_centrality(G,
1,
normalized=False,
weight='weight')
assert_equal(centrality, 1.5)
def test_undirected_weighted_star(self):
G = nx.Graph()
G.add_edge(1, 2, weight=1)
G.add_edge(1, 3, weight=2)
centrality = nx.local_reaching_centrality(G,
1,
weight='weight',
normalized=False)
assert_equal(centrality, 1.5)
def test_negatively_weighted(self):
with pytest.raises(nx.NetworkXError):
G = nx.Graph()
G.add_weighted_edges_from([(0, 1, -2), (1, 2, +1)])
nx.local_reaching_centrality(G, 0, weight='weight')
def test_non_positive_weights(self):
with pytest.raises(nx.NetworkXError):
G = nx.DiGraph()
G.add_weighted_edges_from([(0, 1, 0)])
nx.local_reaching_centrality(G, 0, weight='weight')
def test_non_positive_weights(self):
G = nx.DiGraph()
G.add_weighted_edges_from([(0, 1, 0)])
nx.local_reaching_centrality(G, 0, weight='weight')
def test_undirected_weighted_star(self):
G = nx.Graph()
G.add_weighted_edges_from([(1, 2, 1), (1, 3, 2)])
centrality = nx.local_reaching_centrality(G, 1, normalized=False, weight='weight')
assert_equal(centrality, 1.5)
def test_negatively_weighted(self):
G = nx.Graph()
G.add_weighted_edges_from([(0, 1, -2), (1, 2, +1)])
nx.local_reaching_centrality(G, 0, weight='weight')
def test_non_positive_weights(self):
G = nx.DiGraph()
G.add_weighted_edges_from([(0, 1, 0)])
nx.local_reaching_centrality(G, 0, weight='weight')
def test_undirected_unweighted_star(self):
G = nx.star_graph(2)
centrality = nx.local_reaching_centrality(G, 1, normalized=False)
assert_equal(centrality, 0.75)
def test_negatively_weighted(self):
G = nx.Graph()
G.add_weighted_edges_from([(0, 1, -2), (1, 2, +1)])
nx.local_reaching_centrality(G, 0, weight='weight')
def test_undirected_unweighted_star(self):
G = nx.star_graph(2)
centrality = nx.local_reaching_centrality(G, 1, normalized=False)
assert_equal(centrality, 0.75)