@clduab11/gemini-flow/tests/load-testing/k6/google-services-load-test.js

Revolutionary AI agent swarm coordination platform with Google Services integration, multimedia processing, and production-ready monitoring. Features 8 Google AI services, quantum computing capabilities, and enterprise-grade security.

/**
 * K6 Load Testing Configuration for Google Services Integration
 * 
 * Comprehensive load testing scenarios for Google AI services including
 * streaming APIs, video generation, image creation, and audio processing.
 */

import http from 'k6/http';
import ws from 'k6/ws';
import { check, sleep, group } from 'k6';
import { Counter, Rate, Trend, Gauge } from 'k6/metrics';
import { randomString, randomIntBetween } from 'https://jslib.k6.io/k6-utils/1.2.0/index.js';

// Custom Metrics
const streamingLatency = new Trend('streaming_latency', true);
const videoGenerationTime = new Trend('video_generation_time', true);
const imageGenerationTime = new Trend('image_generation_time', true);
const audioGenerationTime = new Trend('audio_generation_time', true);
const errorRate = new Rate('error_rate');
const concurrentUsers = new Gauge('concurrent_users');
const throughputCounter = new Counter('requests_per_second');

// Test Configuration
const BASE_URL = __ENV.BASE_URL || 'http://localhost:8080';
const WS_URL = __ENV.WS_URL || 'ws://localhost:8080';
const TEST_DURATION = __ENV.TEST_DURATION || '5m';
const MAX_VUS = parseInt(__ENV.MAX_VUS || '50');
const RAMP_DURATION = __ENV.RAMP_DURATION || '1m';

// Test Scenarios
export const options = {
  scenarios: {
    // Streaming API Load Test
    streaming_load: {
      executor: 'ramping-vus',
      startVUs: 1,
      stages: [
        { duration: RAMP_DURATION, target: Math.floor(MAX_VUS * 0.3) },
        { duration: TEST_DURATION, target: Math.floor(MAX_VUS * 0.3) },
        { duration: '30s', target: 0 }
      ],
      exec: 'streamingLoadTest',
      tags: { test_type: 'streaming' }
    },
    
    // Video Generation Stress Test
    video_generation_stress: {
      executor: 'constant-vus',
      vus: Math.floor(MAX_VUS * 0.2),
      duration: TEST_DURATION,
      exec: 'videoGenerationTest',
      tags: { test_type: 'video_generation' }
    },
    
    // Image Generation Burst Test
    image_generation_burst: {
      executor: 'ramping-arrival-rate',
      startRate: 1,
      timeUnit: '1s',
      stages: [
        { duration: '30s', target: 5 },
        { duration: '1m', target: 20 },
        { duration: '30s', target: 50 },
        { duration: '1m', target: 20 },
        { duration: '30s', target: 5 }
      ],
      exec: 'imageGenerationTest',
      tags: { test_type: 'image_generation' }
    },
    
    // Audio Processing Load Test
    audio_processing_load: {
      executor: 'constant-arrival-rate',
      rate: 10,
      timeUnit: '1s',
      duration: TEST_DURATION,
      preAllocatedVUs: Math.floor(MAX_VUS * 0.2),
      exec: 'audioProcessingTest',
      tags: { test_type: 'audio_processing' }
    },
    
    // Mixed Workload Scenario
    mixed_workload: {
      executor: 'per-vu-iterations',
      vus: Math.floor(MAX_VUS * 0.3),
      iterations: 10,
      exec: 'mixedWorkloadTest',
      tags: { test_type: 'mixed_workload' }
    }
  },
  
  thresholds: {
    http_req_duration: ['p(95)<2000', 'p(99)<5000'], // 95% under 2s, 99% under 5s
    http_req_failed: ['rate<0.05'], // Less than 5% error rate
    streaming_latency: ['p(95)<500'], // 95% of streaming requests under 500ms
    video_generation_time: ['p(95)<30000'], // 95% of video generation under 30s
    image_generation_time: ['p(95)<5000'], // 95% of image generation under 5s
    audio_generation_time: ['p(95)<10000'], // 95% of audio generation under 10s
    error_rate: ['rate<0.1'] // Less than 10% overall error rate
  },
  
  ext: {
    loadimpact: {
      projectID: 3506079,
      name: 'Google Services Integration Load Test'
    }
  }
};

// Test Data
const TEST_PROMPTS = {
  video: [
    'Create a professional product demonstration video',
    'Generate a cinematic landscape sequence',
    'Produce an animated explainer video',
    'Create a time-lapse construction video',
    'Generate a corporate presentation video'
  ],
  
  image: [
    'Generate a high-resolution product photo',
    'Create a technical diagram illustration',
    'Produce a scientific research figure',
    'Generate a marketing banner design',
    'Create an infographic visualization'
  ],
  
  audio: [
    'Synthesize professional narration voice',
    'Generate uplifting background music',
    'Create ambient soundscape audio',
    'Produce podcast intro music',
    'Generate nature sounds ambiance'
  ]
};

// Setup Function
export function setup() {
  console.log('🚀 Starting Google Services Load Test');
  console.log(`Base URL: ${BASE_URL}`);
  console.log(`Max VUs: ${MAX_VUS}`);
  console.log(`Test Duration: ${TEST_DURATION}`);
  
  // Health check
  const healthRes = http.get(`${BASE_URL}/health`);
  check(healthRes, {
    'health check status is 200': (r) => r.status === 200
  });
  
  return {
    baseUrl: BASE_URL,
    wsUrl: WS_URL,
    startTime: Date.now()
  };
}

// Streaming API Load Test
export function streamingLoadTest(data) {
  group('Streaming API Load Test', function() {
    concurrentUsers.add(1);
    
    // Create streaming session
    const sessionPayload = {
      type: 'multimodal',
      userId: `user-${__VU}-${__ITER}`,
      userPreferences: { qualityPriority: 'balanced' },
      deviceCapabilities: { cpu: { cores: 4 } },
      networkConditions: { bandwidth: { download: 10000000 } }
    };
    
    const sessionStart = Date.now();
    const sessionRes = http.post(`${BASE_URL}/v1/streaming/sessions`, JSON.stringify(sessionPayload), {
      headers: { 'Content-Type': 'application/json' }
    });
    
    const sessionCreated = check(sessionRes, {
      'session created successfully': (r) => r.status === 200,
      'session has valid response': (r) => r.json('success') === true
    });
    
    if (sessionCreated) {
      const sessionId = sessionRes.json('data.id');
      const sessionLatency = Date.now() - sessionStart;
      streamingLatency.add(sessionLatency);
      
      // Start video stream
      const videoStreamPayload = {
        id: `stream-${__VU}-${__ITER}`,
        source: 'camera',
        quality: { level: 'medium' },
        constraints: { video: { width: { ideal: 1280 }, height: { ideal: 720 } } }
      };
      
      const videoStreamRes = http.post(
        `${BASE_URL}/v1/streaming/sessions/${sessionId}/video`,
        JSON.stringify(videoStreamPayload),
        { headers: { 'Content-Type': 'application/json' } }
      );
      
      check(videoStreamRes, {
        'video stream started': (r) => r.status === 200,
        'video stream response valid': (r) => r.json('success') === true
      });
      
      // Simulate streaming duration
      sleep(randomIntBetween(2, 5));
      
      // WebSocket streaming test
      testWebSocketStreaming(data.wsUrl, sessionId);
      
      // End session
      const endRes = http.del(`${BASE_URL}/v1/streaming/sessions/${sessionId}`);
      check(endRes, {
        'session ended successfully': (r) => r.status === 200
      });
    }
    
    throughputCounter.add(1);
    errorRate.add(!sessionCreated);
    concurrentUsers.add(-1);
  });
}

// Video Generation Test
export function videoGenerationTest(data) {
  group('Video Generation Test', function() {
    const prompt = TEST_PROMPTS.video[randomIntBetween(0, TEST_PROMPTS.video.length - 1)];
    
    const videoPayload = {
      prompt: prompt,
      duration: randomIntBetween(5000, 15000),
      quality: ['low', 'medium', 'high'][randomIntBetween(0, 2)],
      style: {
        type: ['realistic', 'animated', 'cinematic'][randomIntBetween(0, 2)],
        mood: 'professional'
      }
    };
    
    const startTime = Date.now();
    const videoRes = http.post(`${BASE_URL}/v1/video:generate`, JSON.stringify(videoPayload), {
      headers: { 'Content-Type': 'application/json' },
      timeout: '60s'
    });
    
    const videoSuccess = check(videoRes, {
      'video generation started': (r) => r.status === 200,
      'video generation response valid': (r) => r.json('success') === true,
      'video ID provided': (r) => r.json('data.videoId') !== undefined
    });
    
    if (videoSuccess) {
      const videoId = videoRes.json('data.videoId');
      
      // Poll for completion
      let completed = false;
      let attempts = 0;
      const maxAttempts = 30;
      
      while (!completed && attempts < maxAttempts) {
        sleep(2);
        attempts++;
        
        const statusRes = http.get(`${BASE_URL}/v1/video/${videoId}/status`);
        const status = statusRes.json('status');
        
        if (status === 'completed') {
          completed = true;
          const totalTime = Date.now() - startTime;
          videoGenerationTime.add(totalTime);
          
          // Test download
          const downloadRes = http.get(`${BASE_URL}/v1/video/${videoId}/download`, {
            timeout: '30s'
          });
          
          check(downloadRes, {
            'video download successful': (r) => r.status === 200,
            'video file not empty': (r) => r.body.length > 0
          });
          
        } else if (status === 'failed') {
          completed = true;
          errorRate.add(1);
        }
      }
      
      if (!completed) {
        errorRate.add(1);
        console.warn(`Video generation timeout for ${videoId}`);
      }
    } else {
      errorRate.add(1);
    }
    
    throughputCounter.add(1);
  });
}

// Image Generation Test
export function imageGenerationTest(data) {
  group('Image Generation Test', function() {
    const prompt = TEST_PROMPTS.image[randomIntBetween(0, TEST_PROMPTS.image.length - 1)];
    
    const imagePayload = {
      prompt: prompt,
      style: ['realistic', 'artistic', 'technical_diagram'][randomIntBetween(0, 2)],
      format: ['png', 'jpg', 'webp'][randomIntBetween(0, 2)],
      dimensions: {
        width: [512, 1024, 2048][randomIntBetween(0, 2)],
        height: [512, 1024, 2048][randomIntBetween(0, 2)]
      }
    };
    
    const startTime = Date.now();
    const imageRes = http.post(`${BASE_URL}/v1/images:generate`, JSON.stringify(imagePayload), {
      headers: { 'Content-Type': 'application/json' },
      timeout: '30s'
    });
    
    const imageSuccess = check(imageRes, {
      'image generation successful': (r) => r.status === 200,
      'image generation response valid': (r) => r.json('success') === true,
      'image URL provided': (r) => r.json('data.imageUrl') !== undefined
    });
    
    if (imageSuccess) {
      const generationTime = Date.now() - startTime;
      imageGenerationTime.add(generationTime);
      
      const imageId = imageRes.json('data.imageId');
      
      // Test image download
      const downloadRes = http.get(`${BASE_URL}/v1/images/${imageId}`, {
        timeout: '15s'
      });
      
      check(downloadRes, {
        'image download successful': (r) => r.status === 200,
        'image file not empty': (r) => r.body.length > 0,
        'correct content type': (r) => r.headers['Content-Type'].includes('image')
      });
    } else {
      errorRate.add(1);
    }
    
    throughputCounter.add(1);
  });
}

// Audio Processing Test
export function audioProcessingTest(data) {
  group('Audio Processing Test', function() {
    // Test both speech synthesis and music generation
    const testType = randomIntBetween(0, 1) === 0 ? 'speech' : 'music';
    
    if (testType === 'speech') {
      testSpeechSynthesis();
    } else {
      testMusicGeneration();
    }
    
    throughputCounter.add(1);
  });
}

// Mixed Workload Test
export function mixedWorkloadTest(data) {
  group('Mixed Workload Test', function() {
    const workloadTypes = ['streaming', 'video', 'image', 'audio'];
    const selectedType = workloadTypes[randomIntBetween(0, workloadTypes.length - 1)];
    
    switch (selectedType) {
      case 'streaming':
        streamingLoadTest(data);
        break;
      case 'video':
        videoGenerationTest(data);
        break;
      case 'image':
        imageGenerationTest(data);
        break;
      case 'audio':
        audioProcessingTest(data);
        break;
    }
    
    // Add some variation in timing
    sleep(randomIntBetween(1, 3));
  });
}

// Helper Functions

function testWebSocketStreaming(wsUrl, sessionId) {
  const wsEndpoint = `${wsUrl}/stream?sessionId=${sessionId}`;
  
  const wsRes = ws.connect(wsEndpoint, {}, function(socket) {
    socket.on('open', function() {
      // Start streaming
      socket.send(JSON.stringify({
        type: 'start_stream',
        streamId: `ws-stream-${__VU}-${__ITER}`,
        mediaType: 'video',
        duration: 5000
      }));
    });
    
    let chunkCount = 0;
    
    socket.on('message', function(message) {
      const data = JSON.parse(message);
      
      if (data.type === 'stream_chunk') {
        chunkCount++;
      } else if (data.type === 'stream_complete') {
        socket.close();
      }
    });
    
    socket.setTimeout(function() {
      socket.close();
    }, 10000);
  });
  
  check(wsRes, {
    'websocket connection successful': (r) => r && r.status === 101
  });
}

function testSpeechSynthesis() {
  const prompt = TEST_PROMPTS.audio[randomIntBetween(0, TEST_PROMPTS.audio.length - 1)];
  
  const speechPayload = {
    text: prompt,
    voice: ['professional', 'conversational', 'narrator'][randomIntBetween(0, 2)],
    language: 'en-US',
    speed: 1.0,
    emotion: ['neutral', 'confident', 'friendly'][randomIntBetween(0, 2)]
  };
  
  const startTime = Date.now();
  const speechRes = http.post(`${BASE_URL}/v1/speech:synthesize`, JSON.stringify(speechPayload), {
    headers: { 'Content-Type': 'application/json' },
    timeout: '20s'
  });
  
  const speechSuccess = check(speechRes, {
    'speech synthesis successful': (r) => r.status === 200,
    'speech synthesis response valid': (r) => r.json('success') === true,
    'audio content provided': (r) => r.json('data.audioContent') !== undefined
  });
  
  if (speechSuccess) {
    const generationTime = Date.now() - startTime;
    audioGenerationTime.add(generationTime);
  } else {
    errorRate.add(1);
  }
}

function testMusicGeneration() {
  const musicPayload = {
    style: ['corporate', 'cinematic', 'uplifting', 'dramatic'][randomIntBetween(0, 3)],
    mood: 'professional',
    duration: randomIntBetween(10000, 30000),
    instruments: ['piano', 'strings'],
    tempo: randomIntBetween(80, 140)
  };
  
  const startTime = Date.now();
  const musicRes = http.post(`${BASE_URL}/v1/music:generate`, JSON.stringify(musicPayload), {
    headers: { 'Content-Type': 'application/json' },
    timeout: '45s'
  });
  
  const musicSuccess = check(musicRes, {
    'music generation started': (r) => r.status === 200,
    'music generation response valid': (r) => r.json('success') === true,
    'music ID provided': (r) => r.json('data.musicId') !== undefined
  });
  
  if (musicSuccess) {
    const musicId = musicRes.json('data.musicId');
    
    // Poll for completion (simplified)
    let attempts = 0;
    let completed = false;
    
    while (!completed && attempts < 10) {
      sleep(3);
      attempts++;
      
      const statusRes = http.get(`${BASE_URL}/v1/music/${musicId}/status`);
      const status = statusRes.json('status');
      
      if (status === 'completed') {
        completed = true;
        const totalTime = Date.now() - startTime;
        audioGenerationTime.add(totalTime);
      } else if (status === 'failed') {
        completed = true;
        errorRate.add(1);
      }
    }
  } else {
    errorRate.add(1);
  }
}

// Teardown Function
export function teardown(data) {
  const testDuration = Date.now() - data.startTime;
  console.log(`✅ Google Services Load Test completed in ${testDuration}ms`);
  
  // Final health check
  const healthRes = http.get(`${BASE_URL}/health`);
  console.log(`Final health status: ${healthRes.status}`);
}