def test_objects_cmp_expression_one(patch, tree):
"""
Ensures ExpressionVisitor.and_expression works with one node
"""
patch.many(ExpressionVisitor, ['arith_expression'])
tree.child(0).data = 'arith_expression'
tree.children = [1]
r = ExpressionVisitor().cmp_expression(tree)
ExpressionVisitor.arith_expression.assert_called_with(tree.child(0))
assert r == ExpressionVisitor.arith_expression()
def test_objects_cmp_expression_two(patch, tree):
"""
Ensures ExpressionVisitor.and_expression works with two nodes
"""
patch.many(ExpressionVisitor, ['nary_expression',
'arith_expression'])
tree.child(1).data = 'cmp_operator'
tree.children = [1, '==', 2]
cmp_expression = ExpressionVisitor().cmp_expression
patch.object(ExpressionVisitor, 'cmp_expression')
r = cmp_expression(tree)
ExpressionVisitor.nary_expression.assert_called_with(
tree, tree.child(1).child(0), [
ExpressionVisitor.cmp_expression(tree.child(0)),
ExpressionVisitor.arith_expression(tree.child(2)),
])
assert r == ExpressionVisitor.nary_expression()
def test_objects_arith_expression_two(patch, tree):
"""
Ensures ExpressionVisitor.arith_expression works with two nodes
"""
patch.many(ExpressionVisitor, ['mul_expression', 'nary_expression'])
tree.child(1).data = 'arith_operator'
tree.children = [1, '+', 2]
arith_expression = ExpressionVisitor().arith_expression
patch.object(ExpressionVisitor, 'arith_expression')
r = arith_expression(tree)
op_type = tree.child(1).child(0)
ExpressionVisitor.nary_expression.assert_called_with(
tree, op_type, values=[
ExpressionVisitor.arith_expression(tree.child(0)),
ExpressionVisitor.mul_expression(tree.children[2])
])
assert r == ExpressionVisitor.nary_expression()