Calculator-for-Matrix-and-A.../test/preparer_tester.py
2023-07-05 14:30:19 +07:00

52 lines
1.9 KiB
Python

import pytest
import sys
sys.path.append('..')
from nessesary.preparer.PrepareExpression import PrepareExpression
class TestPrepareExpression:
preparer = PrepareExpression()
def test_add_asterisks(self):
# Test case 1: Single level parentheses
expression1 = "(1+2)(3+4)"
result1 = self.preparer.add_asterisks(expression1)
assert result1 == "(1+2)*(3+4)"
# Test case 2: Nested parentheses
expression2 = "(1+2(2+3(3+4)))"
result2 = self.preparer.add_asterisks(expression2)
assert result2 == "(1+2*(2+3*(3+4)))"
def test_fix_mismatched_parentheses(self):
# Test case 1: Fixing a single mismatched closing parenthesis
expression1 = "(((1+2)+3)+4))"
fixed_expression1 = self.preparer.fix_mismatched_parentheses(expression1)
assert fixed_expression1 == "(((1+2)+3)+4)"
# Test case 2: Fixing a single mismatched opening parenthesis
expression2 = "(((1+2)+3)+4"
fixed_expression2 = self.preparer.fix_mismatched_parentheses(expression2)
assert fixed_expression2 == "(((1+2)+3)+4)"
# Test case 3: Fixing multiple mismatched parentheses
expression3 = "(((1+2)+3)+4))"
fixed_expression3 = self.preparer.fix_mismatched_parentheses(expression3)
assert fixed_expression3 == "(((1+2)+3)+4)"
# Test case 4: No mismatched parentheses
expression4 = "(((1+2)+3)+4)"
fixed_expression4 = self.preparer.fix_mismatched_parentheses(expression4)
assert fixed_expression4 == "(((1+2)+3)+4)"
def test_combined_methods(self):
# Test case 1: Combined methods: add_asterisks + fix_mismatched_parentheses
expression1 = "(((1+2)+3)+4))"
result1 = self.preparer.add_asterisks(expression1)
fixed_result1 = self.preparer.fix_mismatched_parentheses(result1)
assert fixed_result1 == "(((1+2)+3)+4)"
if __name__ == "__main__":
pytest.main()