unique-parameter-enum-list-entries

Overview

This rule belongs to the swagger-v2-standards-validation ruleset and states that:

The enumeration list declared using the enum property for the parameter, must not contain any duplicate values i.e. they must all be unique.

Property	Value
Enabled	Yes
Maximum Severity	Error
Message	Duplicate parameter enum entry found.
Code	SWAGGER20STANDARDS_V120
Type	Validation
Rule System	Semantic
Broad Category	Parameters
Products Impacted	API Transformer, Code Generation, Developer Experience Portal
Tags	swagger2 swagger standards semantic validation enum parameter json schema validation json schema

Suggested Fixes

• Ensure that no duplicate values are contained within the enumeration list.
• Enum values are compared in a case-sensitive manner.

For More Information

• https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md
• https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#parameter-object
• https://datatracker.ietf.org/doc/html/draft-fge-json-schema-validation-00#section-5.5.1
• https://docs.apimatic.io/rulesets/overview/