chore: import upstream snapshot with attribution

2026-07-13 12:36:30 +08:00
commit 55ab4e4a73
473 changed files with 72932 additions and 0 deletions
@@ -0,0 +1,57 @@
+import unittest
+
+import easygraph as eg
+import easygraph.functions.graph_embedding as fn
+import numpy as np
+
+
+class Test_Nobe(unittest.TestCase):
+    def setUp(self):
+        self.ds = eg.datasets.get_graph_karateclub()
+        self.edges = [(1, 4), (2, 4), (4, 1), (0, 4), (4, 3)]
+        self.test_directed_graphs = [eg.DiGraph()]
+        self.test_undirected_graphs = [eg.Graph(self.edges)]
+        self.test_directed_graphs.append(eg.classes.DiGraph(self.edges))
+        self.shs = eg.common_greedy(self.ds, int(len(self.ds.nodes) / 3))
+
+        self.valid_graph = eg.Graph([(0, 1), (1, 2), (2, 0), (2, 3), (3, 4)])
+        self.directed_graph = eg.DiGraph([(0, 1), (1, 2)])
+        self.graph_with_isolated = eg.Graph()
+        self.graph_with_isolated.add_edges_from([(0, 1), (1, 2)])
+        self.graph_with_isolated.add_node(3)
+        self.graph_with_isolated.add_node(4)
+
+    def test_NOBE(self):
+        fn.NOBE(self.test_undirected_graphs[0], 1)
+
+    def test_NOBE_GA(self):
+        """
+        for i in self.test_graphs:
+            eg.functions.NOBE_GA(i, K=1)
+            print(i)
+        """
+        fn.NOBE_GA(self.test_directed_graphs[1], 1)
+
+    def test_nobe_output_shape(self):
+        emb = fn.NOBE(self.valid_graph, K=2)
+        self.assertIsInstance(emb, np.ndarray)
+        self.assertEqual(emb.shape[1], 2)
+
+    def test_nobe_ga_output_shape(self):
+        undirected_graph = eg.Graph([(0, 1), (1, 2), (2, 3)])
+        emb = fn.NOBE_GA(undirected_graph, K=2)
+        self.assertIsInstance(emb, np.ndarray)
+        self.assertEqual(emb.shape[1], 2)
+
+    def test_nobe_on_graph_with_isolated_nodes(self):
+        emb = fn.NOBE(self.graph_with_isolated, K=2)
+        self.assertEqual(emb.shape[0], len(self.graph_with_isolated))
+
+    def test_nobe_invalid_K_zero(self):
+        emb = fn.NOBE(self.valid_graph, 0)
+        self.assertIsInstance(emb, np.ndarray)
+        self.assertEqual(emb.shape, (len(self.valid_graph), 0))
+
+
+if __name__ == "__main__":
+    unittest.main()