two version of R2R are here HEAD master

1 files changed, 91 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/networkx/algorithms/community/tests/test_kclique.py b/.venv/lib/python3.12/site-packages/networkx/algorithms/community/tests/test_kclique.py
new file mode 100644
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+++ b/.venv/lib/python3.12/site-packages/networkx/algorithms/community/tests/test_kclique.py
@@ -0,0 +1,91 @@
+from itertools import combinations
+
+import pytest
+
+import networkx as nx
+
+
+def test_overlapping_K5():
+    G = nx.Graph()
+    G.add_edges_from(combinations(range(5), 2))  # Add a five clique
+    G.add_edges_from(combinations(range(2, 7), 2))  # Add another five clique
+    c = list(nx.community.k_clique_communities(G, 4))
+    assert c == [frozenset(range(7))]
+    c = set(nx.community.k_clique_communities(G, 5))
+    assert c == {frozenset(range(5)), frozenset(range(2, 7))}
+
+
+def test_isolated_K5():
+    G = nx.Graph()
+    G.add_edges_from(combinations(range(5), 2))  # Add a five clique
+    G.add_edges_from(combinations(range(5, 10), 2))  # Add another five clique
+    c = set(nx.community.k_clique_communities(G, 5))
+    assert c == {frozenset(range(5)), frozenset(range(5, 10))}
+
+
+class TestZacharyKarateClub:
+    def setup_method(self):
+        self.G = nx.karate_club_graph()
+
+    def _check_communities(self, k, expected):
+        communities = set(nx.community.k_clique_communities(self.G, k))
+        assert communities == expected
+
+    def test_k2(self):
+        # clique percolation with k=2 is just connected components
+        expected = {frozenset(self.G)}
+        self._check_communities(2, expected)
+
+    def test_k3(self):
+        comm1 = [
+            0,
+            1,
+            2,
+            3,
+            7,
+            8,
+            12,
+            13,
+            14,
+            15,
+            17,
+            18,
+            19,
+            20,
+            21,
+            22,
+            23,
+            26,
+            27,
+            28,
+            29,
+            30,
+            31,
+            32,
+            33,
+        ]
+        comm2 = [0, 4, 5, 6, 10, 16]
+        comm3 = [24, 25, 31]
+        expected = {frozenset(comm1), frozenset(comm2), frozenset(comm3)}
+        self._check_communities(3, expected)
+
+    def test_k4(self):
+        expected = {
+            frozenset([0, 1, 2, 3, 7, 13]),
+            frozenset([8, 32, 30, 33]),
+            frozenset([32, 33, 29, 23]),
+        }
+        self._check_communities(4, expected)
+
+    def test_k5(self):
+        expected = {frozenset([0, 1, 2, 3, 7, 13])}
+        self._check_communities(5, expected)
+
+    def test_k6(self):
+        expected = set()
+        self._check_communities(6, expected)
+
+
+def test_bad_k():
+    with pytest.raises(nx.NetworkXError):
+        list(nx.community.k_clique_communities(nx.Graph(), 1))