{
  "mappings": [
    {
      "name": "Invalid Authorization Code",
      "priority": 2,
      "request": {
        "method": "POST",
        "urlPathPattern": ".*/token",
        "bodyPatterns": [{
          "contains": "code=invalid-code"
        }]
      },
      "response": {
        "status": 400,
        "jsonBody": {
          "error": "invalid_grant",
          "error_description": "The authorization code is invalid or has expired."
        },
        "headers": {
          "Content-Type": "application/json"
        }
      }
    },
    {
      "name": "Expired Refresh Token",
      "priority": 2,
      "request": {
        "method": "POST",
        "urlPathPattern": ".*/token",
        "bodyPatterns": [{
          "contains": "refresh_token=expired-token"
        }]
      },
      "response": {
        "status": 400,
        "jsonBody": {
          "error": "invalid_grant",
          "error_description": "The refresh token has expired."
        },
        "headers": {
          "Content-Type": "application/json"
        }
      }
    },
    {
      "name": "Invalid Client Credentials",
      "priority": 2,
      "request": {
        "method": "POST",
        "urlPathPattern": ".*/token",
        "bodyPatterns": [{
          "contains": "client_id=invalid-client"
        }]
      },
      "response": {
        "status": 401,
        "jsonBody": {
          "error": "invalid_client",
          "error_description": "Client authentication failed."
        },
        "headers": {
          "Content-Type": "application/json"
        }
      }
    },
    {
      "name": "Network Error Simulation",
      "priority": 3,
      "request": {
        "method": "POST",
        "urlPathPattern": ".*/token",
        "bodyPatterns": [{
          "contains": "simulate_network_error=true"
        }]
      },
      "response": {
        "fault": "CONNECTION_RESET_BY_PEER"
      }
    }
  ]
}