Cart price rule has failed if use dropdown attribute

[minosss]

Preconditions

1. magento ce 2.1.7 with sample data installed
2. php 7.0.20
3. MySQL 5.7

Steps to reproduce

1. Create a new cart price rule
2. Customer Groups select all
3. Set Conditions

If total quantity greater than 2 for a subselection of items in cart matching ALL of these conditions:
-- Color is red

3. set Actions

Apply: Percent of product price discount
Discount Amount: 10

4. Save and Navigate to storefront as a guest
5. Add 3 products with red color
6. View cart and no discount

Test other attribute 8.11

1. add new product attribute (text field type) eg: vendor
2. add vendor to the default attribute set
3. set vendor in product detail page. eg: addas
4. update rule change color to vendor. eg: vendor is addas
5. back to shopping cart and update
6. it works

Expected result

buy a special color (red) and total greater than 2, have 10% discount

Actual result

no discount

[vherasymenko]

@minosss Thank you for your report.
If you want to report an issue please format this report according to the Issue reporting guidelines: with steps to reproduce, actual result and expected result.

[orlangur]

@vherasymenko are steps not clear from the screenshots?

[minosss]

@vherasymenko updated, and the cart price rule works if use text field attribute.