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GenericRandomErrorPlugin

Fails requests with a random selected error from file containing mocked errors.

Screenshot of a command prompt with the Dev Proxy simulating one of the errors for an OpenAI API request as defined in the config file.

Configuration example

{
  "$schema": "https://raw.githubusercontent.com/dotnet/dev-proxy/main/schemas/v2.0.0/rc.schema.json",
  "plugins": [
    {
      "name": "GenericRandomErrorPlugin",
      "enabled": true,
      "pluginPath": "~appFolder/plugins/DevProxy.Plugins.dll",
      "configSection": "genericRandomErrorPlugin"
    }
  ],
  "urlsToWatch": [
    "https://api.openai.com/*"
  ],
  "genericRandomErrorPlugin": {
    "$schema": "https://raw.githubusercontent.com/dotnet/dev-proxy/main/schemas/v2.0.0/genericrandomerrorplugin.schema.json",
    "errorsFile": "errors.json"
  }
}

Configuration properties

Property Description Default
errorsFile Path to the file that contains error responses. No default
rate The percentage of requests to fail with a random error. Value between 0 and 100. 50
retryAfterInSeconds The number of seconds to wait before retrying the request. Included on the Retry-After response header for dynamic throttling. 5

Command line options

Name Description Default
-f, --failure-rate <failure rate> The percentage of requests to fail with a random error. Value between 0 and 100. 50

Next step

Test my app with random errors

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