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