Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/networkx/utils/tests/test_contextmanager.py

18 lines
310 B
Python

import networkx as nx
def test_reversed():
G = nx.DiGraph()
G.add_edge("A", "B")
# no exception
with nx.utils.reversed(G):
pass
assert "B" in G["A"]
# exception
try:
with nx.utils.reversed(G):
raise Exception
except:
assert "B" in G["A"]