Amazon Lambda API Rules

# authorship: generated by API Evangelist tooling. Stamped 2026-08-18
# on the file's own generator header (roadmap#64). An unmarked file is
# NOT assumed to be ours -- absence of evidence was never stamped.
x-method: generated
# amazon-lambda — Spectral ruleset (strengthened)
# Plain Spectral. Existing hand-authored rules preserved; measured rules added
# from this provider's own OpenAPI conventions by strengthen_ruleset.py,
# then self-validated against the spec.
#
# Provenance:
#   - servers-https-only: 100% of servers already https (error)
#   - servers-expected-domain: 1/1 servers on amazonaws.com
#   - path-params-casing: pascal @ 71% (n=7)
#   - operationid-casing: pascal @ 100% (n=11)
#   - schema-properties-casing: pascal @ 94% (n=17)
#   - security: global (root) — NOT emitting operation-security-required
#   - operation-documents-400: 100% adherence
#   - operation-documents-403: 100% adherence
#   - operation-documents-500: 100% adherence
#   - merge: kept 16 existing, added 8 measured, upgraded 0
#   - added: servers-expected-domain, path-params-casing, operationid-casing, schema-properties-casing, operation-documents-400, operation-documents-403, operation-documents-500, no-empty-descriptions
extends:
  - spectral:oas
rules:
  info-title-format:
    description: API title must start with "Amazon Lambda"
    severity: warn
    given: $.info.title
    then:
      function: pattern
      functionOptions:
        match: ^Amazon Lambda
  info-description-required:
    description: API must have a description
    severity: error
    given: $.info
    then:
      field: description
      function: truthy
  info-version-required:
    description: API must have a version
    severity: error
    given: $.info
    then:
      field: version
      function: truthy
  openapi-version:
    description: Must use OpenAPI 3.x
    severity: error
    given: $
    then:
      field: openapi
      function: pattern
      functionOptions:
        match: ^3\.
  servers-required:
    description: Servers must be defined
    severity: error
    given: $
    then:
      field: servers
      function: truthy
  servers-https:
    description: Server URLs must use HTTPS
    severity: error
    given: $.servers[*].url
    then:
      function: pattern
      functionOptions:
        match: ^https://
  operation-summary-required:
    description: All operations must have a summary
    severity: error
    given: $.paths[*][get,post,put,delete,patch]
    then:
      field: summary
      function: truthy
  operation-summary-prefix:
    description: Summaries must start with "Amazon Lambda"
    severity: warn
    given: $.paths[*][get,post,put,delete,patch].summary
    then:
      function: pattern
      functionOptions:
        match: ^Amazon Lambda
  operation-description-required:
    description: All operations must have a description
    severity: error
    given: $.paths[*][get,post,put,delete,patch]
    then:
      field: description
      function: truthy
  operation-operationid-required:
    description: All operations must have an operationId
    severity: error
    given: $.paths[*][get,post,put,delete,patch]
    then:
      field: operationId
      function: truthy
  operation-tags-required:
    description: All operations must have tags
    severity: warn
    given: $.paths[*][get,post,put,delete,patch]
    then:
      field: tags
      function: truthy
  parameter-description-required:
    description: All parameters must have descriptions
    severity: warn
    given: $.paths[*][*].parameters[*]
    then:
      field: description
      function: truthy
  security-schemes-required:
    description: Security schemes must be defined
    severity: error
    given: $.components
    then:
      field: securitySchemes
      function: truthy
  security-global-required:
    description: Global security must be defined
    severity: warn
    given: $
    then:
      field: security
      function: truthy
  paths-kebab-case:
    description: Path segments should use kebab-case
    severity: warn
    given: $.paths
    then:
      function: pattern
      functionOptions:
        match: ^(/[a-zA-Z0-9{}/-]+)+$
  schema-description-required:
    description: Schema components should have descriptions
    severity: warn
    given: $.components.schemas[*]
    then:
      field: description
      function: truthy
  servers-expected-domain:
    description: Server URLs should be on the amazonaws.com domain.
    severity: warn
    given: $.servers[*].url
    then:
      function: pattern
      functionOptions:
        match: amazonaws\.com
  path-params-casing:
    description: Path parameters should be PascalCase (the dominant convention in this API).
    severity: warn
    given: $.paths[*].parameters[?(@.in=='path')].name
    then:
      function: pattern
      functionOptions:
        match: ^[A-Z][A-Za-z0-9]*$
  operationid-casing:
    description: Operation IDs should be PascalCase (the dominant convention in this API).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].operationId
    then:
      function: casing
      functionOptions:
        type: pascal
  schema-properties-casing:
    description: Schema properties should be PascalCase (the dominant convention in this API).
    severity: warn
    given: $.components.schemas[*].properties
    then:
      field: '@key'
      function: pattern
      functionOptions:
        match: ^[A-Z][A-Za-z0-9]*$
  operation-documents-400:
    description: Operations should document a 400 response (documented on 100% of this API's operations).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      field: '400'
      function: truthy
  operation-documents-403:
    description: Operations should document a 403 response (documented on 100% of this API's operations).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      field: '403'
      function: truthy
  operation-documents-500:
    description: Operations should document a 500 response (documented on 100% of this API's operations).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      field: '500'
      function: truthy
  no-empty-descriptions:
    description: Descriptions must not be empty strings.
    severity: warn
    given: $..description
    then:
      function: truthy