def test_term_spitter_raises_exception_with_coefficient_and_power_only(
self):
test_term = '2^2'
exc = None
try:
term_splitter(test_term)
except Exception as err:
exc = err
self.assertIsNotNone(exc)
self.assertEqual(
str(exc),
"Error: Estimates can be made. Recalculate and call the function again."
)
def main():
validate_call(sys.argv)
my_list = parser(sys.argv[1])
term_list = []
for elem in my_list:
term = term_splitter(elem)
term_list.append(Term(term))
function = Polynomial(term_list)
print(f"The derivative of f(x) = {function}")
print(f"f'(x) = {function.derivative()}")
def test_term_spitter_passes_with_variable_and_power_only(self):
test_term = 'x^2'
self.assertEqual(term_splitter(test_term), [None, True, 2])
def test_term_spitter_passes_with_variable_coefficient_and_power(self):
test_term = '24x^2'
self.assertEqual(term_splitter(test_term), [24, True, 2])
def test_term_spitter_passes_with_variable_and_coefficient_only(self):
test_term = '24x'
self.assertEqual(term_splitter(test_term), [24, True, None])
def test_term_spitter_passes_with_coefficient_only(self):
test_term = '24'
self.assertEqual(term_splitter(test_term), [24, False, None])