def testLetSubexprEach(self):
query = "each Process/children matches Process/command is 'foo'"
expected = expression.LetEach(
expression.Binding("Process/children"),
expression.Equivalence(expression.Binding("Process/command"),
expression.Literal("foo")))
self.assertQueryMatches(query, expected)
def TransformLetEach(let, **kwargs):
if not isinstance(let, expression.Let):
raise ValueError("'each' must be followed by a 'matches' expression.")
context, expr = let.children
return expression.LetEach(context, expr, **kwargs)