Omit Sid in aws_iam_policy_document data source when empty

[tmccombs]

Because it isn't necessary, and including it when empty just makes the policies bigger.

Description

Relations

Closes #28537

[github-actions]

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[jar-b]

While not strictly a breaking change, this may have knock-on effects due to the variation in how IAM policy documents are used. That said, this is a reasonable enhancement and should go in with the next major release. Adding to the v5.0.0 milestone.

[ewbankkit]

LGTM 🚀.

% make testacc TESTARGS='-run=TestAccIAMPolicyDocumentDataSource_' PKG=iam ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/iam/... -v -count 1 -parallel 2  -run=TestAccIAMPolicyDocumentDataSource_ -timeout 180m
=== RUN   TestAccIAMPolicyDocumentDataSource_basic
=== PAUSE TestAccIAMPolicyDocumentDataSource_basic
=== RUN   TestAccIAMPolicyDocumentDataSource_singleConditionValue
=== PAUSE TestAccIAMPolicyDocumentDataSource_singleConditionValue
=== RUN   TestAccIAMPolicyDocumentDataSource_conditionWithBoolValue
=== PAUSE TestAccIAMPolicyDocumentDataSource_conditionWithBoolValue
=== RUN   TestAccIAMPolicyDocumentDataSource_source
=== PAUSE TestAccIAMPolicyDocumentDataSource_source
=== RUN   TestAccIAMPolicyDocumentDataSource_sourceList
=== PAUSE TestAccIAMPolicyDocumentDataSource_sourceList
=== RUN   TestAccIAMPolicyDocumentDataSource_sourceConflicting
=== PAUSE TestAccIAMPolicyDocumentDataSource_sourceConflicting
=== RUN   TestAccIAMPolicyDocumentDataSource_sourceListConflicting
=== PAUSE TestAccIAMPolicyDocumentDataSource_sourceListConflicting
=== RUN   TestAccIAMPolicyDocumentDataSource_override
=== PAUSE TestAccIAMPolicyDocumentDataSource_override
=== RUN   TestAccIAMPolicyDocumentDataSource_overrideList
=== PAUSE TestAccIAMPolicyDocumentDataSource_overrideList
=== RUN   TestAccIAMPolicyDocumentDataSource_noStatementMerge
=== PAUSE TestAccIAMPolicyDocumentDataSource_noStatementMerge
=== RUN   TestAccIAMPolicyDocumentDataSource_noStatementOverride
=== PAUSE TestAccIAMPolicyDocumentDataSource_noStatementOverride
=== RUN   TestAccIAMPolicyDocumentDataSource_duplicateSid
=== PAUSE TestAccIAMPolicyDocumentDataSource_duplicateSid
=== RUN   TestAccIAMPolicyDocumentDataSource_sourcePolicyValidJSON
=== PAUSE TestAccIAMPolicyDocumentDataSource_sourcePolicyValidJSON
=== RUN   TestAccIAMPolicyDocumentDataSource_overridePolicyDocumentValidJSON
=== PAUSE TestAccIAMPolicyDocumentDataSource_overridePolicyDocumentValidJSON
=== RUN   TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_stringAndSlice
=== PAUSE TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_stringAndSlice
=== RUN   TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_multiplePrincipals
=== PAUSE TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_multiplePrincipals
=== RUN   TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_multiplePrincipalsGov
=== PAUSE TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_multiplePrincipalsGov
=== RUN   TestAccIAMPolicyDocumentDataSource_version20081017
=== PAUSE TestAccIAMPolicyDocumentDataSource_version20081017
=== CONT  TestAccIAMPolicyDocumentDataSource_basic
=== CONT  TestAccIAMPolicyDocumentDataSource_noStatementMerge
--- PASS: TestAccIAMPolicyDocumentDataSource_noStatementMerge (11.39s)
=== CONT  TestAccIAMPolicyDocumentDataSource_sourceConflicting
--- PASS: TestAccIAMPolicyDocumentDataSource_basic (11.42s)
=== CONT  TestAccIAMPolicyDocumentDataSource_overrideList
--- PASS: TestAccIAMPolicyDocumentDataSource_sourceConflicting (10.59s)
=== CONT  TestAccIAMPolicyDocumentDataSource_override
--- PASS: TestAccIAMPolicyDocumentDataSource_overrideList (10.61s)
=== CONT  TestAccIAMPolicyDocumentDataSource_sourceListConflicting
--- PASS: TestAccIAMPolicyDocumentDataSource_sourceListConflicting (3.19s)
=== CONT  TestAccIAMPolicyDocumentDataSource_source
--- PASS: TestAccIAMPolicyDocumentDataSource_override (14.39s)
=== CONT  TestAccIAMPolicyDocumentDataSource_sourceList
--- PASS: TestAccIAMPolicyDocumentDataSource_sourceList (13.50s)
=== CONT  TestAccIAMPolicyDocumentDataSource_conditionWithBoolValue
--- PASS: TestAccIAMPolicyDocumentDataSource_source (25.14s)
=== CONT  TestAccIAMPolicyDocumentDataSource_singleConditionValue
--- PASS: TestAccIAMPolicyDocumentDataSource_conditionWithBoolValue (11.95s)
=== CONT  TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_stringAndSlice
--- PASS: TestAccIAMPolicyDocumentDataSource_singleConditionValue (12.34s)
=== CONT  TestAccIAMPolicyDocumentDataSource_version20081017
--- PASS: TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_stringAndSlice (10.56s)
=== CONT  TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_multiplePrincipalsGov
    acctest.go:859: skipping tests; current partition (aws) does not equal aws-us-gov
--- SKIP: TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_multiplePrincipalsGov (0.00s)
=== CONT  TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_multiplePrincipals
--- PASS: TestAccIAMPolicyDocumentDataSource_version20081017 (17.00s)
=== CONT  TestAccIAMPolicyDocumentDataSource_sourcePolicyValidJSON
--- PASS: TestAccIAMPolicyDocumentDataSource_StatementPrincipalIdentifiers_multiplePrincipals (10.94s)
=== CONT  TestAccIAMPolicyDocumentDataSource_overridePolicyDocumentValidJSON
--- PASS: TestAccIAMPolicyDocumentDataSource_sourcePolicyValidJSON (11.86s)
=== CONT  TestAccIAMPolicyDocumentDataSource_duplicateSid
--- PASS: TestAccIAMPolicyDocumentDataSource_overridePolicyDocumentValidJSON (11.39s)
=== CONT  TestAccIAMPolicyDocumentDataSource_noStatementOverride
--- PASS: TestAccIAMPolicyDocumentDataSource_duplicateSid (11.59s)
--- PASS: TestAccIAMPolicyDocumentDataSource_noStatementOverride (10.54s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/iam	110.911s

[ewbankkit]

@tmccombs Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v5.0.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

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