Apply shopping cart rule to a single bundle item

[MilanFrajt]

Preconditions (*)

Magento ver. 2.3.5-p1

Steps to reproduce (*)

1. Create a bundle product with two option each contain two product in it
2. Create one option as main as the title with two simple product (a&b) - (Dropdown)
3. Create the second option as a sub as the title with two simple product(c&d)- (Checkbox)
4. Create a shopping cart rule
5. Select a "percent of product price discount"
6. Add 10 % to the discount amount
7. We should add the main option two product in the rule like( SKU is one of (a&b)
8. Apply the rule
9. Go to the frontend
10. Select one SKU from the dropdown of the main simple product and checkbox one sub simple product
11. Add to cart
12. Go to cart page
13. Check the discount is applied total of two product

Expected result (*)

10% discount is applied ONLY on BUNDLE child product SKU001 (this behavior worked faultless on Magento 1.8.X)
The discount should be applied only for the main simple product

Actual result (*)

10% discount is applied on BUNDLE parent product, thus both of simple products are discounted...

Additional information
more detailed steps and screens #28921 (Comment1) (comment 2)

[m2-assistant]

Hi @MilanFrajt. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento give me 2.4-develop instance - upcoming 2.4.x release

For more details, please, review the Magento Contributor Assistant documentation.

Please, add a comment to assign the issue: @magento I am working on this

---

• Join Magento Community Engineering Slack and ask your questions in #github channel.

[m2-assistant]

Hi @swathishs. Thank you for working on this issue.
In order to make sure that issue has enough information and ready for development, please read and check the following instruction: 👇

• 1. Verify that issue has all the required information. (Preconditions, Steps to reproduce, Expected result, Actual result).

  Details

  If the issue has a valid description, the label Issue: Format is valid will be added to the issue automatically. Please, edit issue description if needed, until label Issue: Format is valid appears.

• 2. Verify that issue has a meaningful description and provides enough information to reproduce the issue. If the report is valid, add Issue: Clear Description label to the issue by yourself.

• 3. Add Component: XXXXX label(s) to the ticket, indicating the components it may be related to.

• 4. Verify that the issue is reproducible on 2.4-develop branch

  Details

  - Add the comment @magento give me 2.4-develop instance to deploy test instance on Magento infrastructure.
  - If the issue is reproducible on 2.4-develop branch, please, add the label Reproduced on 2.4.x.
  - If the issue is not reproducible, add your comment that issue is not reproducible and close the issue and stop verification process here!

• 5. Add label Issue: Confirmed once verification is complete.

• 6. Make sure that automatic system confirms that report has been added to the backlog.

[swathishs]

@magento give me 2.4-develop instance

[magento-engcom-team]

Hi @swathishs. Thank you for your request. I'm working on Magento 2.4-develop instance for you

[magento-engcom-team]

Hi @swathishs, here is your Magento instance.
Admin access: https://i-28921-2-4-develop.instances.magento-community.engineering/admin_9c53
Login: 76702ff3 Password: 9a2130d75bea
Instance will be terminated in up to 3 hours.

[MilanFrajt]

Tested on https://i-28921-2-4-develop.instances.magento-community.engineering/, working exactly same way as described in issue:

Created BUNDLE product ID: 1201 with 4 simples under 2 option_groups https://i-28921-2-4-develop.instances.magento-community.engineering/test-bundle.html
MainOption (SKUs: product_dynamic_6, product_dynamic_8)
SubOption (SKUs: product_dynamic_1, product_dynamic_2)

Rule ID: 41 BundeTestRule
Conditions: BLANK
Actions: 10% of product price discount to cart items matching the following conditions: SKU is one of product_dynamic_6,product_dynamic_8

Added to the sopping cart BUNDLE consists from:
MainOption1 x Simple Product 6 $418.53
SubOption1 x Simple Product 1 $100.00

Expected result: 10% discount on Simple Product 6 = $41.85

Actual result: 10% discount on BOTH simple products = $51.85

[swathishs]

Issue is reproducible in Magento 2.4 develop instance

Please find the attachment below:

Two option for bundle product:
(Main & Sub option)

Rule ( Applicable only for the main simple product):

Cart page:

Excepted Result :
Subtotal =$ 200
Discount= $10
Shipp = $5
Total=$195

Actual: