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import warnings
import pytest
import networkx as nx
def test_smetric():
g = nx.Graph()
g.add_edge(1, 2)
g.add_edge(2, 3)
g.add_edge(2, 4)
g.add_edge(1, 4)
sm = nx.s_metric(g, normalized=False)
assert sm == 19.0
# NOTE: Tests below to be deleted when deprecation of `normalized` kwarg expires
def test_normalized_deprecation_warning():
"""Test that a deprecation warning is raised when s_metric is called with
a `normalized` kwarg."""
G = nx.cycle_graph(7)
# No warning raised when called without kwargs (future behavior)
with warnings.catch_warnings():
warnings.simplefilter("error") # Fail the test if warning caught
assert nx.s_metric(G) == 28
# Deprecation warning
with pytest.deprecated_call():
nx.s_metric(G, normalized=True)
# Make sure you get standard Python behavior when unrecognized keyword provided
with pytest.raises(TypeError):
nx.s_metric(G, normalize=True)
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