def test_parse_term_exceptions(self):
with pytest.raises(Exception) as e:
LpReader._parse_term(' -5 5x')
assert str(
e.value
) == "variable '5x' does not have a valid name: A variable name should not begin with a number or a period"
with pytest.raises(Exception) as e:
LpReader._parse_term(' -5 x y')
assert str(
e.value
) == "variable 'x y' does not have a valid name: A variable name should not have whitespaces"
with pytest.raises(Exception) as e:
LpReader._parse_term(' -5 x😂')
assert str(e.value) == "variable 'x😂' does not have a valid name"
def test_parse_term(self, term, expected):
assert LpReader._parse_term(term) == expected