def test_or_expr():
for (left, right), expected in (
((FALSE, FALSE), datatypes.FALSE),
((TRUE, FALSE), datatypes.TRUE),
((FALSE, TRUE), datatypes.TRUE),
((TRUE, TRUE), datatypes.TRUE),
):
node = or_expr(left, "or", right)
result = node.evaluate_as_boolean(default_context)
assert isinstance(result, datatypes.boolean), result
assert result == expected, (result, expected)
def test_or_expr():
for (left, right), expected in (
((FALSE, FALSE), datatypes.FALSE),
((TRUE, FALSE), datatypes.TRUE),
((FALSE, TRUE), datatypes.TRUE),
((TRUE, TRUE), datatypes.TRUE),
):
node = or_expr(left, 'or', right)
result = node.evaluate_as_boolean(default_context)
assert isinstance(result, datatypes.boolean), result
assert result == expected, (result, expected)
def test_predicate():
ctx = context(ROOT, 1, 1)
for args, expected in (
# FIXME: test literal optimization
# FIXME: test `position() = Expr` optimization
# FIXME: test `position() [>,>=] Expr` optimization
# FIXME: test `Expr [<,<=] position()` optimization
# FIXME: test numeric-type expression
# test boolean-type expression
(and_expr(TRUE, 'and', FALSE), []),
(or_expr(TRUE, 'or', FALSE), [ROOT]),
# FIXME: test object-type expression
):
result = predicate(args).select(ctx, [ROOT])
result = list(result)
assert result == expected, (result, expected)
def test_predicate():
ctx = context(ROOT, 1, 1)
for args, expected in (
# FIXME: test literal optimization
# FIXME: test `position() = Expr` optimization
# FIXME: test `position() [>,>=] Expr` optimization
# FIXME: test `Expr [<,<=] position()` optimization
# FIXME: test numeric-type expression
# test boolean-type expression
(and_expr(TRUE, 'and', FALSE), []),
(or_expr(TRUE, 'or', FALSE), [ROOT]),
# FIXME: test object-type expression
):
result = predicate(args).select(ctx, [ROOT])
result = list(result)
assert result == expected, (result, expected)
