/V1/products/{sku}/media does not assign roles correctly

[giacmir]

When uploading media gallery images via API the last inserted one gets all roles (small_image, base, thumbnail) even if not required to and another image already has them assigned.

Preconditions (*)

1. Magento 2.3.0
2. php 7.1

Steps to reproduce (*)

1. create a new product without images
2. POST to /V1/products/{sku}/media a payload that includes all the three image types "base", "small_image", "thumbnail"
   3.Verify in backend that the new image has all three roles
3. POST another image to /V1/products/{sku}/media, this time the "types" node should be an empty array

Expected result (*)

1. The last inserted image should have no roles
   2.The first image should have maintained its assigned roles

Actual result (*)

1. last image has all three roles even if no one was specified.

[magento-engcom-team]

Hi @giacmir. 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-engcom-team give me 2.3-develop instance - upcoming 2.3.x release

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

@giacmir do you confirm that you was able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

[giacmir]

@magento-engcom-team give me 2.3-develop instance

[magento-engcom-team]

Hi @giacmir. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @giacmir, here is your Magento instance.
Admin access: https://i-21736-2-3-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[magento-engcom-team]

Hi @engcom-backlog-nazar. Thank you for working on this issue.
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Hi @giacmir thank you for you report, this issue has already fixed in 2.3-develop branch.

[giacmir]

Hi @engcom-backlog-nazar I actually tried that on the provided 2.3-develop instance yesterday and reproduced it. Was it fixed today?

@giacmir can you share with your payloads ?