def test_assert_vertice_exists_bigger_range():
try:
graph = GraphAdjacencyList(3)
graph.neighbourhood(3)
assert False
except ValueError:
assert True
def test_neighbourhood(edges, vertice, expected):
graph = GraphAdjacencyList(3)
for edge in edges:
graph.add_edge(edge[0], edge[1])
assert graph.neighbourhood(vertice) == expected
