American Airlines API Rules

# american-airlines — 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 aa.com
#   - operationid-casing: camel @ 100% (n=4)
#   - schema-names-casing: pascal @ 100% (n=5)
#   - schema-properties-casing: snake @ 67% (n=18)
#   - merge: kept 12 existing, added 5 measured, upgraded 0
#   - added: servers-expected-domain, operationid-casing, schema-names-casing, schema-properties-casing, no-empty-descriptions
extends:
  - spectral:oas
rules:
  info-title-prefix:
    description: API title must start with "American Airlines"
    severity: warn
    given: $.info.title
    then:
      function: pattern
      functionOptions:
        match: ^American Airlines
  info-description-required:
    description: API must have a description
    severity: error
    given: $.info
    then:
      field: description
      function: truthy
  servers-defined:
    description: At least one server 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: Operations must have a summary
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: summary
      function: truthy
  operation-id-required:
    description: Operations must have an operationId
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: operationId
      function: truthy
  operation-tags-required:
    description: Operations must have at least one tag
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: tags
      function: truthy
  response-success-required:
    description: Operations must have a success response
    severity: error
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          anyOf:
          - required:
            - '200'
          - required:
            - '201'
  get-no-request-body:
    description: GET operations must not have a request body
    severity: error
    given: $.paths[*].get
    then:
      field: requestBody
      function: falsy
  paths-kebab-case:
    description: Path segments should use kebab-case
    severity: info
    given: $.paths[*]~
    then:
      function: pattern
      functionOptions:
        match: ^(\/([a-z0-9-]+|\{[a-zA-Z]+\}))*$
  schema-description-required:
    description: Component schemas should have descriptions
    severity: warn
    given: $.components.schemas[*]
    then:
      field: description
      function: truthy
  parameter-description-required:
    description: Parameters should have descriptions
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].parameters[*]
    then:
      field: description
      function: truthy
  servers-expected-domain:
    description: Server URLs should be on the aa.com domain.
    severity: warn
    given: $.servers[*].url
    then:
      function: pattern
      functionOptions:
        match: aa\.com
  operationid-casing:
    description: Operation IDs should be camelCase (the dominant convention in this API).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].operationId
    then:
      function: casing
      functionOptions:
        type: camel
  schema-names-casing:
    description: Component schema names should be PascalCase (the dominant convention in this API).
    severity: warn
    given: $.components.schemas
    then:
      field: '@key'
      function: casing
      functionOptions:
        type: pascal
  schema-properties-casing:
    description: Schema properties should be snake_case (the dominant convention in this API).
    severity: info
    given: $.components.schemas[*].properties
    then:
      field: '@key'
      function: casing
      functionOptions:
        type: snake
  no-empty-descriptions:
    description: Descriptions must not be empty strings.
    severity: warn
    given: $..description
    then:
      function: truthy