diff env/lib/python3.9/site-packages/networkx/algorithms/tests/test_vitality.py @ 0:4f3585e2f14b draft default tip

"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.9/site-packages/networkx/algorithms/tests/test_vitality.py	Mon Mar 22 18:12:50 2021 +0000
@@ -0,0 +1,41 @@
+import networkx as nx
+
+
+class TestClosenessVitality:
+    def test_unweighted(self):
+        G = nx.cycle_graph(3)
+        vitality = nx.closeness_vitality(G)
+        assert vitality == {0: 2, 1: 2, 2: 2}
+
+    def test_weighted(self):
+        G = nx.Graph()
+        nx.add_cycle(G, [0, 1, 2], weight=2)
+        vitality = nx.closeness_vitality(G, weight="weight")
+        assert vitality == {0: 4, 1: 4, 2: 4}
+
+    def test_unweighted_digraph(self):
+        G = nx.DiGraph(nx.cycle_graph(3))
+        vitality = nx.closeness_vitality(G)
+        assert vitality == {0: 4, 1: 4, 2: 4}
+
+    def test_weighted_digraph(self):
+        G = nx.DiGraph()
+        nx.add_cycle(G, [0, 1, 2], weight=2)
+        nx.add_cycle(G, [2, 1, 0], weight=2)
+        vitality = nx.closeness_vitality(G, weight="weight")
+        assert vitality == {0: 8, 1: 8, 2: 8}
+
+    def test_weighted_multidigraph(self):
+        G = nx.MultiDiGraph()
+        nx.add_cycle(G, [0, 1, 2], weight=2)
+        nx.add_cycle(G, [2, 1, 0], weight=2)
+        vitality = nx.closeness_vitality(G, weight="weight")
+        assert vitality == {0: 8, 1: 8, 2: 8}
+
+    def test_disconnecting_graph(self):
+        """Tests that the closeness vitality of a node whose removal
+        disconnects the graph is negative infinity.
+
+        """
+        G = nx.path_graph(3)
+        assert nx.closeness_vitality(G, node=1) == -float("inf")