mirror of
https://github.com/donnemartin/interactive-coding-challenges
synced 2026-01-07 01:48:02 +00:00
34 lines
1022 B
Python
34 lines
1022 B
Python
from nose.tools import assert_equal
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class TestDeleteNode(object):
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def test_delete_node(self):
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print('Test: Empty list, null node to delete')
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linked_list = MyLinkedList(None)
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linked_list.delete_node(None)
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assert_equal(linked_list.get_all_data(), [])
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print('Test: One node')
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head = Node(2)
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linked_list = MyLinkedList(head)
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linked_list.delete_node(head)
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assert_equal(linked_list.get_all_data(), [None])
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print('Test: Multiple nodes')
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linked_list = MyLinkedList(None)
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node0 = linked_list.insert_to_front(1)
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node1 = linked_list.insert_to_front(3)
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node2 = linked_list.insert_to_front(4)
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node3 = linked_list.insert_to_front(1)
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linked_list.delete_node(node2)
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assert_equal(linked_list.get_all_data(), [1, 3, 1])
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print('Success: test_delete_node')
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def main():
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test = TestDeleteNode()
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test.test_delete_node()
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if __name__ == '__main__':
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main() |