def test_find_cores2(self):
core = nx.find_cores(self.H)
nodes_by_core = [
sorted([n for n in core if core[n] == val]) for val in range(3)
]
assert nodes_equal(nodes_by_core[0], [0])
assert nodes_equal(nodes_by_core[1], [1, 3])
assert nodes_equal(nodes_by_core[2], [2, 4, 5, 6])
def test_find_cores(self):
core = nx.find_cores(self.G)
nodes_by_core = [
sorted([n for n in core if core[n] == val]) for val in range(4)
]
assert nodes_equal(nodes_by_core[0], [21])
assert nodes_equal(nodes_by_core[1], [17, 18, 19, 20])
assert nodes_equal(nodes_by_core[2], [9, 10, 11, 12, 13, 14, 15, 16])
assert nodes_equal(nodes_by_core[3], [1, 2, 3, 4, 5, 6, 7, 8])
def test_trivial(self):
"""Empty graph"""
G = nx.Graph()
assert nx.find_cores(G) == {}