JSON Schema validation library using robotframework-jsonlibrary for Robot Framework

 To validate JSON against a JSON Schema in Robot Framework, the most common and robust approach is using robotframework-jsonlibrary. It provides native keywords to validate JSON objects directly or by reading a schema file.

Using robotframework-jsonlibrary (Recommended)

The JSONLibrary provides dedicated, high-level keywords to validate JSON strings or files directly against a schema.

Installation

pip install robotframework-jsonlibrary

Example :

*** Settings ***
Library    JSONLibrary
Library    OperatingSystem

*** Test Cases ***
Validate JSON Against Schema File
    # Load your JSON response or target data
    ${json_data}=    Load Json From File    ${CURDIR}/response.json
    
    # Validate it directly against the schema file
    Validate Json By Schema File    ${json_data}    ${CURDIR}/schema.json

Validate JSON Inline String
    ${json_string}=    Set Variable    {"id": 1, "name": "John Doe"}
    ${schema_string}=  Set Variable    {"type": "object", "properties": {"id": {"type": "integer"}, "name": {"type": "string"}}, "required": ["id", "name"]}
    
    ${json_object}=    Convert String To Json    ${json_string}
    Validate Json By Schema    ${json_object}    ${schema_string}