interactive-coding-challenges/graphs_trees/graph_path_exists/test_path_exists.py
2015-08-05 05:47:02 -04:00

33 lines
811 B
Python

from nose.tools import assert_equal
class TestPathExists(object):
def test_path_exists(self):
nodes = []
graph = Graph()
for id in range(0, 6):
nodes.append(graph.add_node(id))
graph.add_edge(0, 1, 5)
graph.add_edge(0, 4, 3)
graph.add_edge(0, 5, 2)
graph.add_edge(1, 3, 5)
graph.add_edge(1, 4, 4)
graph.add_edge(2, 1, 6)
graph.add_edge(3, 2, 7)
graph.add_edge(3, 4, 8)
assert_equal(path_exists(nodes[0], nodes[2]), True)
assert_equal(path_exists(nodes[0], nodes[0]), True)
assert_equal(path_exists(nodes[4], nodes[5]), False)
print('Success: test_path_exists')
def main():
test = TestPathExists()
test.test_path_exists()
if __name__ == '__main__':
main()