Tetrate · API Governance Rules

Tetrate API Rules

Spectral linting rules defining API design standards and conventions for Tetrate.

9 Rules error 2 warn 6 info 1
View Rules File View on GitHub

Rule Categories

tsb

Rules

error
tsb-path-version-prefix
All TSB REST API paths must start with /v2/
$.paths[*]~
warn
tsb-org-scoped-paths
Organization-scoped resources must include {organization} path parameter
$.paths[?(@property.startsWith('/v2/organizations/'))]
warn
tsb-operation-id-camel-case
All operationIds must be camelCase
$.paths[*][*].operationId
warn
tsb-200-content-type-json
Successful responses must return application/json content type
$.paths[*][get,post,put].responses.200
warn
tsb-delete-no-body
DELETE operations should not have a request body
$.paths[*].delete
warn
tsb-schema-description
All named schemas must have a description
$.components.schemas[*]
error
tsb-security-on-mutations
POST, PUT, DELETE operations must have security defined
$.paths[*][post,put,delete]
warn
tsb-tags-title-case
Tags must use Title Case format
$.paths[*][*].tags[*]
info
tsb-list-returns-array
List operations (operationId starting with 'list') must return an array property
$.paths[*].get[?(@.operationId && @.operationId.startsWith('list'))]

Spectral Ruleset

Raw ↑
extends: spectral:oas
rules:
  # TSB-specific: All paths must start with /v2/
  tsb-path-version-prefix:
    description: All TSB REST API paths must start with /v2/
    message: Path "{{value}}" must start with /v2/
    severity: error
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        match: "^/v2/"

  # TSB resource hierarchy: org-scoped resources must include organization param
  tsb-org-scoped-paths:
    description: Organization-scoped resources must include {organization} path parameter
    message: Paths scoped to an organization must contain {organization} parameter
    severity: warn
    given: "$.paths[?(@property.startsWith('/v2/organizations/'))]"
    then:
      function: truthy

  # TSB: operationIds must be camelCase
  tsb-operation-id-camel-case:
    description: All operationIds must be camelCase
    message: OperationId "{{value}}" should be camelCase
    severity: warn
    given: "$.paths[*][*].operationId"
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][a-zA-Z0-9]*$"

  # TSB: responses must include etag for mutable resources
  tsb-200-content-type-json:
    description: Successful responses must return application/json content type
    message: Response 200 must have application/json content
    severity: warn
    given: "$.paths[*][get,post,put].responses.200"
    then:
      field: content
      function: truthy

  # TSB: DELETE operations should not have a request body
  tsb-delete-no-body:
    description: DELETE operations should not have a request body
    message: DELETE operation should not include requestBody
    severity: warn
    given: "$.paths[*].delete"
    then:
      field: requestBody
      function: falsy

  # TSB: All schemas must have descriptions
  tsb-schema-description:
    description: All named schemas must have a description
    message: Schema "{{path}}" must have a description
    severity: warn
    given: "$.components.schemas[*]"
    then:
      field: description
      function: truthy

  # TSB: Security must be defined on all mutating operations
  tsb-security-on-mutations:
    description: POST, PUT, DELETE operations must have security defined
    message: Mutating operation must define security requirements
    severity: error
    given: "$.paths[*][post,put,delete]"
    then:
      function: schema
      functionOptions:
        schema:
          anyOf:
            - required: [security]
            - {}

  # TSB: Tags must use Title Case
  tsb-tags-title-case:
    description: Tags must use Title Case format
    message: Tag "{{value}}" should use Title Case
    severity: warn
    given: "$.paths[*][*].tags[*]"
    then:
      function: pattern
      functionOptions:
        match: "^[A-Z][a-zA-Z]*(\\s[A-Z][a-zA-Z]*)*$"

  # TSB: Resource list operations must return arrays
  tsb-list-returns-array:
    description: List operations (operationId starting with 'list') must return an array property
    message: List operation should return a response with an array property
    severity: info
    given: "$.paths[*].get[?(@.operationId && @.operationId.startsWith('list'))]"
    then:
      function: truthy