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syrupy-project / syrupy

:pancakes: The sweeter pytest snapshot plugin
https://syrupy-project.github.io/syrupy/
Apache License 2.0
542 stars 37 forks source link

Add option to add non-existing snapshots instead of raising an error #843

Open claytonkreisel opened 10 months ago

claytonkreisel commented 10 months ago

Is your feature request related to a problem? Please describe.

The issue is that I have to run --snapshot-update in order to initiate a new assertion in a test. This is mostly an annoyance when testing with PyCharm using the IDE testing tools.

Describe the solution you'd like

I would prefer that there is an option that I can set by default that will not update any existing snapshots, but will add any newly created snapshots.

Describe alternatives you've considered

A flag called create-non-existing-snapshots as an option that can be set. This could then be configured in CLI or an IDE.

Additional context

None

tducret commented 9 months ago

Hi there! I have the same request 😄

On top of that, I think it would be a great way to onboard former snapshottest users, as creating non-existing snapshots without passing the --snapshot-update option is the default behavior in snapshottest.

Is there any chance we could implement that?