mirror of
https://github.com/donnemartin/interactive-coding-challenges.git
synced 2024-03-22 13:11:13 +08:00
53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
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from __future__ import print_function
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from nose.tools import assert_equal
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class TestDfs(object):
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def test_dfs(self):
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root = Node(5)
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root.insert(2)
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root.insert(8)
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root.insert(1)
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root.insert(3)
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with captured_output() as (out, err):
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root.in_order_traversal(sys.stdout.write)
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assert_equal(out.getvalue().strip(), '12358')
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with captured_output() as (out, err):
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root.pre_order_traversal(sys.stdout.write)
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assert_equal(out.getvalue().strip(), '52138')
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with captured_output() as (out, err):
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root.post_order_traversal(sys.stdout.write)
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assert_equal(out.getvalue().strip(), '13285')
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root = Node(1)
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root.insert(2)
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root.insert(3)
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root.insert(4)
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root.insert(5)
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with captured_output() as (out, err):
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root.in_order_traversal(sys.stdout.write)
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assert_equal(out.getvalue().strip(), '12345')
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with captured_output() as (out, err):
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root.pre_order_traversal(sys.stdout.write)
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assert_equal(out.getvalue().strip(), '12345')
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with captured_output() as (out, err):
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root.post_order_traversal(sys.stdout.write)
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assert_equal(out.getvalue().strip(), '54321')
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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()
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