Tests added in test_centrality.py (#6200)

1 files changed, 16 insertions, 0 deletions

diff --git a/networkx/algorithms/bipartite/tests/test_centrality.py b/networkx/algorithms/bipartite/tests/test_centrality.py
index 50ac9064..19fb5d11 100644
--- a/networkx/algorithms/bipartite/tests/test_centrality.py
+++ b/networkx/algorithms/bipartite/tests/test_centrality.py
@@ -55,6 +55,22 @@ class TestBipartiteCentrality:
         c = bipartite.closeness_centrality(G, [1])
         assert c == {0: 0.0, 1: 0.0}
 
+    def test_bipartite_closeness_centrality_unconnected(self):
+        G = nx.complete_bipartite_graph(3, 3)
+        G.add_edge(6, 7)
+        c = bipartite.closeness_centrality(G, [0, 2, 4, 6], normalized=False)
+        answer = {
+            0: 10.0 / 7,
+            2: 10.0 / 7,
+            4: 10.0 / 7,
+            6: 10.0,
+            1: 10.0 / 7,
+            3: 10.0 / 7,
+            5: 10.0 / 7,
+            7: 10.0,
+        }
+        assert c == answer
+
     def test_davis_degree_centrality(self):
         G = self.davis
         deg = bipartite.degree_centrality(G, self.top_nodes)