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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
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class TestDfs(object):
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def __init__(self):
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self.results = Results()
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def test_dfs(self):
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bst = BstDfs(Node(5))
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bst.insert(2)
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bst.insert(8)
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bst.insert(1)
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bst.insert(3)
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bst.in_order_traversal(bst.root, self.results.add_result)
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assert_equal(str(self.results), "[1, 2, 3, 5, 8]")
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self.results.clear_results()
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bst.pre_order_traversal(bst.root, self.results.add_result)
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assert_equal(str(self.results), "[5, 2, 1, 3, 8]")
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self.results.clear_results()
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bst.post_order_traversal(bst.root, self.results.add_result)
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assert_equal(str(self.results), "[1, 3, 2, 8, 5]")
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self.results.clear_results()
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bst = BstDfs(Node(1))
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bst.insert(2)
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bst.insert(3)
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bst.insert(4)
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bst.insert(5)
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bst.in_order_traversal(bst.root, self.results.add_result)
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assert_equal(str(self.results), "[1, 2, 3, 4, 5]")
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self.results.clear_results()
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bst.pre_order_traversal(bst.root, self.results.add_result)
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assert_equal(str(self.results), "[1, 2, 3, 4, 5]")
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self.results.clear_results()
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bst.post_order_traversal(bst.root, self.results.add_result)
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assert_equal(str(self.results), "[5, 4, 3, 2, 1]")
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print('Success: test_dfs')
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def main():
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test = TestDfs()
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test.test_dfs()
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if __name__ == '__main__':
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main() |