def test_has_node(node, n, result):
"""Test to check if a node exists in graph."""
from weight_graph import Graph
g = Graph()
for idx in node:
g.add_node(idx)
assert g.has_node(n) == result
def test_has_node_returns_true_if_node_serched_is_in_weight_graph(num):
"""Test that has node returns true if looking for node present in weight graph."""
from weight_graph import Graph
g = Graph()
for x in range(num):
g.add_node(x)
for x in range(num):
assert g.has_node(x)