Detect components.pathItems in OpenAPI 3.0 documents (PathItemsIn30 rule) - #196
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The parse layer keeps accepting Components.pathItems in any version
(geemus suggested permissive parsing); this rule reports the 3.0
mismatch so callers on :warn / :raise can surface it. Detection
inspects components.raw_schema directly to catch an explicitly empty
`pathItems: {}` literal too.
`components.pathItems` on a 3.0 document warns and raises (3.1 addition); the same field on a 3.1 document stays clean.
takayamaki
marked this pull request as ready for review
July 4, 2026 02:38
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Continuing the OpenAPI 3.1 work from #195 / #152.
components.pathItemswas added in OpenAPI 3.1 and is not part of the 3.0 spec.The parse layer already accepts it permissively (#191), but until now there was no way to detect the version mismatch.
This PR adds a
PathItemsIn30rule toSpecValidatorthat reports a violation when a 3.0 document declarescomponents.pathItems.How it works
The rule checks
root.components.raw_schemafor apathItemskey.It only fires on 3.0 documents.
Housekeeping
This PR also backfills the CHANGELOG entries for
NullableDeprecation(#193) andExampleSingularDeprecation(#195), which I forgot to include in those PRs.