lightweight-browser-load-tester/examples/request-body-injection.yaml

A lightweight load testing tool using real browsers for streaming applications with DRM support

# Example configuration demonstrating request body injection
# This shows how to inject parameters into JSON and form data request bodies

concurrentUsers: 8
testDuration: 300
rampUpTime: 30
streamingUrl: "https://api.example.com/streaming"
streamingOnly: true

# Resource limits
resourceLimits:
  maxMemoryPerInstance: 512
  maxCpuPercentage: 80
  maxConcurrentInstances: 15

# Request parameter injection with focus on body injection
requestParameters:
  # Header parameters for authentication and tracking
  - target: header
    name: "Authorization"
    valueTemplate: "Bearer {{randomFromFile:./examples/data/auth-tokens.txt}}"
    scope: per-session
  
  - target: header
    name: "X-Request-ID"
    valueTemplate: "{{random:uuid}}"
    scope: global
  
  - target: header
    name: "Content-Type"
    valueTemplate: "application/json"
    scope: global
  
  # Query parameters
  - target: query
    name: "sessionId"
    valueTemplate: "{{sessionId}}"
    scope: per-session
  
  # Simple body parameters (will be added to JSON objects)
  - target: body
    name: "userId"
    valueTemplate: "{{random:1-10000}}"
    scope: per-session
  
  - target: body
    name: "requestId"
    valueTemplate: "req_{{requestCount}}"
    scope: per-session
  
  - target: body
    name: "timestamp"
    valueTemplate: "{{timestamp}}"
    scope: global
  
  # Complex JSON body parameter
  - target: body
    name: "clientInfo"
    valueTemplate: |
      {
        "deviceId": "{{randomFromFile:./examples/data/device-ids.txt}}",
        "deviceType": "{{randomFrom:deviceTypes}}",
        "userAgent": "{{randomFrom:userAgents}}",
        "sessionId": "{{sessionId}}",
        "capabilities": {
          "drm": ["widevine", "playready"],
          "codecs": ["h264", "h265", "av1"],
          "maxResolution": "4k",
          "hdr": true
        },
        "timestamp": {{timestamp}},
        "version": "{{randomFrom:clientVersions}}"
      }
    scope: per-session
  
  # User context information
  - target: body
    name: "userContext"
    valueTemplate: |
      {
        "id": {{random:1-10000}},
        "tier": "{{randomFrom:userTiers}}",
        "region": "{{randomFrom:regions}}",
        "preferences": {
          "quality": "{{randomFrom:qualities}}",
          "language": "{{randomFrom:languages}}",
          "subtitles": {{randomFrom:booleans}}
        }
      }
    scope: per-session
  
  # Streaming-specific metadata
  - target: body
    name: "streamingMetadata"
    valueTemplate: |
      {
        "requestType": "{{randomFrom:requestTypes}}",
        "bandwidth": {{random:1000-50000}},
        "bufferSize": {{random:5-30}},
        "adaptiveBitrate": true,
        "drmEnabled": {{randomFrom:booleans}},
        "analytics": {
          "trackingId": "{{random:uuid}}",
          "sessionStart": {{timestamp}},
          "platform": "{{randomFrom:platforms}}"
        }
      }
    scope: per-session

# Variable context for randomFrom functions
# Note: In actual implementation, this would be passed to the RequestInterceptor constructor
variableContext:
  deviceTypes:
    - "mobile"
    - "tablet"
    - "desktop"
    - "smart-tv"
    - "streaming-device"
    - "gaming-console"
  
  userAgents:
    - "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
    - "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36"
    - "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36"
    - "Mozilla/5.0 (iPhone; CPU iPhone OS 17_0 like Mac OS X) AppleWebKit/605.1.15"
    - "Mozilla/5.0 (Android 14; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0"
  
  clientVersions:
    - "2.1.0"
    - "2.2.0"
    - "2.3.0"
    - "3.0.0"
    - "3.1.0"
  
  userTiers:
    - "free"
    - "basic"
    - "premium"
    - "enterprise"
  
  regions:
    - "us-east"
    - "us-west"
    - "eu-central"
    - "eu-west"
    - "ap-southeast"
    - "ap-northeast"
  
  qualities:
    - "240p"
    - "480p"
    - "720p"
    - "1080p"
    - "4k"
  
  languages:
    - "en"
    - "es"
    - "fr"
    - "de"
    - "ja"
    - "zh"
    - "pt"
    - "ru"
  
  booleans:
    - true
    - false
  
  requestTypes:
    - "manifest"
    - "segment"
    - "license"
    - "analytics"
    - "heartbeat"
  
  platforms:
    - "web"
    - "android"
    - "ios"
    - "roku"
    - "apple-tv"
    - "fire-tv"
    - "chromecast"

# Prometheus metrics export
prometheus:
  enabled: true
  remoteWriteUrl: "http://localhost:9090/api/v1/write"
  batchSize: 50
  flushInterval: 30