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- from unittest import TestCase
- from src.parser import Parser
- from tests.parser import ParserWrapper
- def reduce(exp, **kwargs):
- return ParserWrapper(Parser, **kwargs).run([exp]).reduce()
- class TestLeidenOefenopgave(TestCase):
- def test_1(self):
- return
- for exp, solution in [
- ('-5(x2 -3x + 6)', '-30 + 15 * x - 5 * x ^ 2'),
- ('(x+1)^2', 'x ^ 2 + 2 * x + 1'),
- ('(x-1)^2', 'x ^ 2 - 2 * x + 1'),
- ('(2x+x)*x', '3 * x ^ 2'),
- ('-2(6x-4)^2*x', '-72 * x^3 + 96 * x ^ 2 + 32 * x'),
- ('(4x + 5) * -(5 - 4x)', '16x^2 - 25'),
- ]:
- self.assertEqual(str(reduce(exp)), solution)
- def test_2(self):
- pass
- def test_3(self):
- pass
- def test_4(self):
- return
- for exp, solution in [
- ('2/15 + 1/4', '23/60'),
- ('2/7 - 4/11', '-6/77'),
- ('(7/3) * (3/5)', '7/5'),
- ('(3/4) / (5/6)', '9/10'),
- ('1/4 * 1/x', '1/(4x)'),
- ('(3/x^2) / (x/7)', '21/x^3'),
- ('1/x + 2/(x+1)', '(3x + 1) / (x * (x + 1))'),
- ]:
- self.assertEqual(str(reduce(exp)), solution)
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