def test_invalid_formulas(self, inputs):
with self.assertRaises(FormulaError):
Parser().ast(inputs)
def test_invalid_compile(self, case):
formula, inputs = case
with self.assertRaises(sh.DispatcherError):
Parser().ast(formula)[1].compile()(*inputs)
def test_valid_formula(self, case):
inputs, result = case
tokens, ast = Parser().ast(inputs)
output = ''.join(t.name for t in tokens)
self.assertEqual(result, output, '%s != %s' % (result, output))
def test_compile(self, case):
references, formula, inputs, result = case
func = Parser().ast(formula)[1].compile(references)
output = str(func(*inputs))
self.assertEqual(result, output, '{} != {}'.format(result, output))