Use pulumitest framework for upgrade tests

pulumi / pulumi-eks

A Pulumi component for easily creating and managing an Amazon EKS Cluster

https://www.pulumi.com/registry/packages/eks/

Apache License 2.0

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Use pulumitest framework for upgrade tests #1177

Closed rquitales closed 3 weeks ago

rquitales commented 1 month ago

Proposed changes

This PR switches the underlying test framework to the newer pulumitest framework which uses Automation API under the hood. This resolves a few pain points related to the existing upgrade tests we have, which are extremely fragile. These changes are:

Checking only for replacements, and ignoring diffs. This should help resolve our snapshots constantly being out of date due to changing upstream provider versions, or AMI IDs.
Running preview against the cached state to reduce resource usage and speed up the upgrade tests

Related issues (optional)

Related: #927

Fixes: #1145 Fixes: #1174 Fixes: #1155