chore: import upstream snapshot with attribution

easygraph/functions/hypergraph/tests/test_centrality.py

@@ -0,0 +1,24 @@
+import easygraph as eg
+import pytest
+
+
+@pytest.fixture()
+def g1():
+    e_list = [(0, 1, 2, 5), (0, 1), (2, 3, 4), (1, 2, 4)]
+    g = eg.Hypergraph(6, e_list=e_list)
+    return g
+
+
+@pytest.fixture()
+def g2():
+    e_list = [(1, 2, 3), (0, 1, 3), (0, 1), (2, 4, 3), (2, 3)]
+    e_weight = [0.5, 1, 0.5, 1, 0.5]
+    g = eg.Hypergraph(5, e_list=e_list, e_weight=e_weight)
+    return g
+
+
+def test_degree_centrality(g1, g2):
+    print(eg.hyepergraph_degree_centrality(g1))
+    print(eg.hyepergraph_degree_centrality(g2))
+    assert eg.hyepergraph_degree_centrality(g1) == {0: 2, 1: 3, 2: 3, 3: 1, 4: 2, 5: 1}
+    assert eg.hyepergraph_degree_centrality(g2) == {0: 2, 1: 3, 2: 3, 3: 4, 4: 1}