added test for containment validating bool and len of undirected graph

MaineKuehn · Jul 27, 2018 · dd98fd0 · dd98fd0
1 parent 155f682
commit dd98fd0
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/graphi_unittests/types_unittests/test_undirected.py b/graphi_unittests/types_unittests/test_undirected.py
@@ -19,3 +19,13 @@ def test_edges(self):
             self.assertNotEqual(last_edge, edge)
             last_edge = edge
         self.assertFalse(last_edge == [1])
+
+    def test_containment(self):
+        graph = self.graph_cls()
+        self.assertFalse(bool(graph), "Graph is expected to be false as no nodes/edges are contained")
+        self.assertEquals(len(graph), 0)
+        graph.add(1)
+        graph.add(2)
+        graph[1:2] = 1
+        self.assertTrue(bool(graph))
+        self.assertEquals(len(graph), 2)