mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-11-30 16:31:08 +00:00
60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
|
# Created by: Ramy-Badr-Ahmed (https://github.com/Ramy-Badr-Ahmed)
|
||
|
|
# in Pull Request: #11554
|
||
|
|
# https://github.com/TheAlgorithms/Python/pull/11554
|
||
|
|
#
|
||
|
|
# Please mention me (@Ramy-Badr-Ahmed) in any issue or pull request
|
||
|
|
# addressing bugs/corrections to this file.
|
||
|
|
# Thank you!
|
||
|
|
|
||
|
|
import unittest
|
||
|
|
|
||
|
|
from data_structures.suffix_tree.suffix_tree import SuffixTree
|
||
|
|
|
||
|
|
|
||
|
|
class TestSuffixTree(unittest.TestCase):
|
||
|
|
def setUp(self) -> None:
|
||
|
|
"""Set up the initial conditions for each test."""
|
||
|
|
self.text = "banana"
|
||
|
|
self.suffix_tree = SuffixTree(self.text)
|
||
|
|
|
||
|
|
def test_search_existing_patterns(self) -> None:
|
||
|
|
"""Test searching for patterns that exist in the suffix tree."""
|
||
|
|
patterns = ["ana", "ban", "na"]
|
||
|
|
for pattern in patterns:
|
||
|
|
with self.subTest(pattern=pattern):
|
||
|
|
assert self.suffix_tree.search(
|
||
|
|
pattern
|
||
|
|
), f"Pattern '{pattern}' should be found."
|
||
|
|
|
||
|
|
def test_search_non_existing_patterns(self) -> None:
|
||
|
|
"""Test searching for patterns that do not exist in the suffix tree."""
|
||
|
|
patterns = ["xyz", "apple", "cat"]
|
||
|
|
for pattern in patterns:
|
||
|
|
with self.subTest(pattern=pattern):
|
||
|
|
assert not self.suffix_tree.search(
|
||
|
|
pattern
|
||
|
|
), f"Pattern '{pattern}' should not be found."
|
||
|
|
|
||
|
|
def test_search_empty_pattern(self) -> None:
|
||
|
|
"""Test searching for an empty pattern."""
|
||
|
|
assert self.suffix_tree.search(""), "An empty pattern should be found."
|
||
|
|
|
||
|
|
def test_search_full_text(self) -> None:
|
||
|
|
"""Test searching for the full text."""
|
||
|
|
assert self.suffix_tree.search(
|
||
|
|
self.text
|
||
|
|
), "The full text should be found in the suffix tree."
|
||
|
|
|
||
|
|
def test_search_substrings(self) -> None:
|
||
|
|
"""Test searching for substrings of the full text."""
|
||
|
|
substrings = ["ban", "ana", "a", "na"]
|
||
|
|
for substring in substrings:
|
||
|
|
with self.subTest(substring=substring):
|
||
|
|
assert self.suffix_tree.search(
|
||
|
|
substring
|
||
|
|
), f"Substring '{substring}' should be found."
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
unittest.main()
|