def test_parser_advanced_b():
formula_str = 'SUM(CCR * src1."Traffic-Full") / SUM(src2."Traffic-full")'
formula = arith_expr.parseString(formula_str, parseAll=True)[0]
context = Context()
r = formula(context)
eq_(r, "SUM(t1.\"CCR\" * t2.\"Traffic-Full\") / SUM(t3.\"Traffic-full\")")
def test_parser_advanced_a():
formula_str = "SUM(CCR) / SUM(Traffic_full) + (2/-3)"
formula = arith_expr.parseString(formula_str, parseAll=True)[0]
context = Context()
r = formula(context)
eq_(r, "SUM(t1.\"CCR\") / SUM(t1.\"Traffic_full\") + (2 / -3)")
def test_parser_subtraction():
formula_str = "42-6 - 2 - 5"
formula = arith_expr.parseString(formula_str, parseAll=True)[0]
context = Context()
r = formula(context)
eq_(r, "42 - 6 - 2 - 5")
def test_parser_brackets():
formula_str = "4 / 7 + (2/-3)"
formula = arith_expr.parseString(formula_str, parseAll=True)[0]
context = Context()
r = formula(context)
eq_(r, "4 / 7 + (2 / -3)")
def test_parser_addition():
formula_str = "3 + 19+2 + 0"
formula = arith_expr.parseString(formula_str, parseAll=True)[0]
context = Context()
r = formula(context)
eq_(r, "3 + 19 + 2 + 0")
