mirror of
https://github.com/donnemartin/interactive-coding-challenges.git
synced 2024-03-22 13:11:13 +08:00
54 lines
1.4 KiB
Python
54 lines
1.4 KiB
Python
from nose.tools import assert_equal
|
|
|
|
|
|
class TestDfs(object):
|
|
|
|
def __init__(self):
|
|
self.results = Results()
|
|
|
|
def test_dfs(self):
|
|
node = Node(5)
|
|
insert(node, 2)
|
|
insert(node, 8)
|
|
insert(node, 1)
|
|
insert(node, 3)
|
|
|
|
in_order_traversal(node, self.results.add_result)
|
|
assert_equal(str(self.results), "[1, 2, 3, 5, 8]")
|
|
self.results.clear_results()
|
|
|
|
pre_order_traversal(node, self.results.add_result)
|
|
assert_equal(str(self.results), "[5, 2, 1, 3, 8]")
|
|
self.results.clear_results()
|
|
|
|
post_order_traversal(node, self.results.add_result)
|
|
assert_equal(str(self.results), "[1, 3, 2, 8, 5]")
|
|
self.results.clear_results()
|
|
|
|
node = Node(1)
|
|
insert(node, 2)
|
|
insert(node, 3)
|
|
insert(node, 4)
|
|
insert(node, 5)
|
|
|
|
in_order_traversal(node, self.results.add_result)
|
|
assert_equal(str(self.results), "[1, 2, 3, 4, 5]")
|
|
self.results.clear_results()
|
|
|
|
pre_order_traversal(node, self.results.add_result)
|
|
assert_equal(str(self.results), "[1, 2, 3, 4, 5]")
|
|
self.results.clear_results()
|
|
|
|
post_order_traversal(node, self.results.add_result)
|
|
assert_equal(str(self.results), "[5, 4, 3, 2, 1]")
|
|
|
|
print('Success: test_dfs')
|
|
|
|
|
|
def main():
|
|
test = TestDfs()
|
|
test.test_dfs()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main() |