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"""Unit tests for the :mod:`networkx.algorithms.community.utils` module."""
import networkx as nx
def test_is_partition():
G = nx.empty_graph(3)
assert nx.community.is_partition(G, [{0, 1}, {2}])
assert nx.community.is_partition(G, ({0, 1}, {2}))
assert nx.community.is_partition(G, ([0, 1], [2]))
assert nx.community.is_partition(G, [[0, 1], [2]])
def test_not_covering():
G = nx.empty_graph(3)
assert not nx.community.is_partition(G, [{0}, {1}])
def test_not_disjoint():
G = nx.empty_graph(3)
assert not nx.community.is_partition(G, [{0, 1}, {1, 2}])
def test_not_node():
G = nx.empty_graph(3)
assert not nx.community.is_partition(G, [{0, 1}, {3}])
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