def test_expression(self): from xotl.ql.expressions import (count, ExpressionTree, or_, and_, pow_, lt, eq, add) expr = ((q(1) < 3) & (1 == q("1")) | (q("a") + q("b") ** 2 == q("x") + count("y"))) expected = or_(and_(lt(1, 3), eq(1, "1")), eq(add("a", pow_("b", 2)), add("x", count("y")))) self.assertIsInstance(expr, ExpressionTree) with context(UNPROXIFING_CONTEXT): self.assertTrue(expr == expected, "%s ---- %s" % (expected, expr))
def test_expression(self): from xotl.ql.expressions import (count, ExpressionTree, or_, and_, pow_, lt, eq, add) expr = ((q(1) < 3) & (1 == q("1")) | (q("a") + q("b")**2 == q("x") + count("y"))) expected = or_(and_(lt(1, 3), eq(1, "1")), eq(add("a", pow_("b", 2)), add("x", count("y")))) self.assertIsInstance(expr, ExpressionTree) with context(UNPROXIFING_CONTEXT): self.assertTrue(expr == expected, "%s ---- %s" % (expected, expr))
def __radd__(self, other): ''' >>> 1 + this # doctest: +ELLIPSIS <expression '1 + this' ...> ''' from xotl.ql.expressions import add return add(other, self)
def __add__(self, other): ''' >>> this + 1 # doctest: +ELLIPSIS <expression 'this + 1' ...> ''' from xotl.ql.expressions import add return add(self, other)