Unable to apply Free (0 costs) shipping to the cart

[krizajb]

Description

If shipping doesn't cost anything (0) the cart doesn't get updated. The controller returns (test ajax) cart without shipping method being updated. If shipping method isn't free, the method successfully applies to the cart.

Checking at the controller source, the cart shippingMethodHandle is set but get's reverted during saveElement call.

Using default shop templates and latest commerce (2.0.0-beta.5) reproduces the mentioned behavior.

Steps to reproduce

1. Add shipping method without costing anything or use the default commerce 2 shipping method.
2. Attempt to apply free shipping method to the cart.
3. Shipping method not applied to the cart.

Additional info

• Craft version: Craft Pro 3.0.11
• PHP version: 7.1.7
• Database driver & version: MySQL 5.6.34
• Plugins & versions:
  • Craft Commerce 2.0.0-beta.5
  • Mollie for Craft Commerce 1.0.0

[lukeholder]

I just pulled in this fix: #388

Does that pull request fix your issue? Monkey patch the file to test. Thanks.

[krizajb]

Unfortunately that doesn't solve this issue.

[lukeholder]

Thanks for reporting will be fixed in the next release. Switch to dev-develop in your composer for commerce if you need the changes sooner. Thanks.

[krizajb]

Will do, thank you! Can confirm the fix solves the issue. When are you planning to make a new version update?