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Make plugin-framework provider configuration code treat empty values like the SDK #15844

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modular-magician
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This PR fixes #14255

This PR makes the plugin-framework code behave more like the SDK by ignoring empty strings, and is a bug fix to be included in a v4.x.x release. The bug it's fixing is an unintentional behaviour change introduced when the provider was muxed.

Later, I will remove this fix in 5.0.0, as an intentional breaking change as part of : #14447

Also, this PR changes some arbitrary strings from "123s" to "45s" as I realised that "123s" is changed to "2m3s" during the provider configuration logic. I thought this change would help avoid confusion if tests are updated in future to inspect where that second, parsed value is used.


If this PR is for Terraform, I acknowledge that I have:

  • Searched through the issue tracker for an open issue that this either resolves or contributes to, commented on it to claim it, and written "fixes {url}" or "part of {url}" in this PR description. If there were no relevant open issues, I opened one and commented that I would like to work on it (not necessary for very small changes).
  • Ensured that all new fields I added that can be set by a user appear in at least one example (for generated resources) or third_party test (for handwritten resources or update tests).
  • Generated Terraform providers, and ran make test and make lint in the generated providers to ensure it passes unit and linter tests.
  • Ran relevant acceptance tests using my own Google Cloud project and credentials (If the acceptance tests do not yet pass or you are unable to run them, please let your reviewer know).
  • Read Write release notes before writing my release note below.

Release Note Template for Downstream PRs (will be copied)

provider: fixed the provider so it resumes ignoring empty strings set in the `provider` block

Derived from GoogleCloudPlatform/magic-modules#8798

…like the SDK (hashicorp#8798)

* Make PF config code change `project = ""` to null value before checking ENVs

* Make plugin framework config code change all empty strings in config to null values

* Fix defect in unit test for `project`, uncomment

* Uncomment empty string unit tests

* Fix defect in test; expeceted value should be null list

* Add handling of empty lists in `HandleZeroValues`

* Fix typo in comment

* Add test case asserting `impersonate_service_account` empty strings are overridden by an ENV

* Update SDK `batching` tests: rename test cases,  make it clear values are arbitary

* Update `HandleZeroValues` to handle `batching` argument

* Uncomment empty string test

* Change test inputs from 123s to 45s

This is because 123s is transformed to 2m3s, but 45s remains 45s

* Protect against Batching being null/unknown in `HandleZeroValues`

* Add non-VCR acceptance test that shows provider behaviour when `credentials=""` and `GOOGLE_CREDENTIALS` interact

Signed-off-by: Modular Magician <[email protected]>
@modular-magician modular-magician merged commit aced908 into hashicorp:main Sep 14, 2023
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I'm going to lock this pull request because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.
If you have found a problem that seems related to this change, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.

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