exercism-solution/python/matching-brackets/matching_brackets_test.py at master · fruit-in/exercism-solution · GitHub

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import unittest

from matching_brackets import is_paired

# Tests adapted from `problem-specifications//canonical-data.json`


class MatchingBracketsTest(unittest.TestCase):
    def test_paired_square_brackets(self):
        self.assertEqual(is_paired("[]"), True)

    def test_empty_string(self):
        self.assertEqual(is_paired(""), True)

    def test_unpaired_brackets(self):
        self.assertEqual(is_paired("[["), False)

    def test_wrong_ordered_brackets(self):
        self.assertEqual(is_paired("}{"), False)

    def test_wrong_closing_bracket(self):
        self.assertEqual(is_paired("{]"), False)

    def test_paired_with_whitespace(self):
        self.assertEqual(is_paired("{ }"), True)

    def test_partially_paired_brackets(self):
        self.assertEqual(is_paired("{[])"), False)

    def test_simple_nested_brackets(self):
        self.assertEqual(is_paired("{[]}"), True)

    def test_several_paired_brackets(self):
        self.assertEqual(is_paired("{}[]"), True)

    def test_paired_and_nested_brackets(self):
        self.assertEqual(is_paired("([{}({}[])])"), True)

    def test_unopened_closing_brackets(self):
        self.assertEqual(is_paired("{[)][]}"), False)

    def test_unpaired_and_nested_brackets(self):
        self.assertEqual(is_paired("([{])"), False)

    def test_paired_and_wrong_nested_brackets(self):
        self.assertEqual(is_paired("[({]})"), False)

    def test_paired_and_incomplete_brackets(self):
        self.assertEqual(is_paired("{}["), False)

    def test_too_many_closing_brackets(self):
        self.assertEqual(is_paired("[]]"), False)

    def test_math_expression(self):
        self.assertEqual(is_paired("(((185 + 223.85) * 15) - 543)/2"), True)

    def test_complex_latex_expression(self):
        self.assertEqual(
            is_paired(
                "\left(\begin{array}{cc} \frac{1}{3} & x\\ \mathrm{e}^{x} &... x^2 \end{array}\right)"
            ),
            True,
        )


if __name__ == "__main__":
    unittest.main()