def test_objects_and_expression_one(patch, tree):
"""
Ensures Objects.and_expression works with one node
"""
patch.many(Objects, ['cmp_expression'])
tree.child(0).data = 'cmp_expression'
tree.children = [1]
r = Objects.and_expression(tree)
Objects.cmp_expression.assert_called_with(tree.child(0))
assert r == Objects.cmp_expression()
def test_objects_and_expression_two(patch, tree):
"""
Ensures Objects.and_expression works with two nodes
"""
patch.many(Objects, ['build_binary_expression', 'cmp_expression'])
tree.child(1).type = 'AND'
tree.children = [1, 'and', 2]
and_expression = Objects.and_expression
patch.object(Objects, 'and_expression')
r = and_expression(tree)
Objects.build_binary_expression.assert_called_with(
tree, tree.child(1), Objects.and_expression(tree.child(0)),
Objects.cmp_expression(tree.child(2)))
assert r == Objects.build_binary_expression()
