@clduab11/gemini-flow
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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.
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text/typescript
/**
* A2A Chaos Engineering Tests
* Comprehensive fault tolerance validation through controlled failure injection
*/
import {
A2AComplianceTestSuite,
A2ATestDataBuilder,
A2ATestUtils,
MockAgent,
MockA2AMessageBus,
A2AMessage,
A2AResponse,
A2AErrorCode
} from './test-harness';
import { performance } from 'perf_hooks';
// Chaos testing configuration
const CHAOS_CONFIG = {
MAX_FAILURE_DURATION: 30000, // 30 seconds
MIN_RECOVERY_TIME: 5000, // 5 seconds
FAULT_INJECTION_RATE: 0.1, // 10% of operations
ACCEPTABLE_FAILURE_RATE: 0.05, // 5% acceptable failure rate
RECOVERY_SUCCESS_THRESHOLD: 0.95 // 95% recovery success
};
// Failure scenarios
enum FailureType {
AGENT_CRASH = 'agent_crash',
NETWORK_PARTITION = 'network_partition',
RESOURCE_EXHAUSTION = 'resource_exhaustion',
MESSAGE_CORRUPTION = 'message_corruption',
TIMEOUT_CASCADE = 'timeout_cascade',
BYZANTINE_BEHAVIOR = 'byzantine_behavior',
SPLIT_BRAIN = 'split_brain',
SLOW_DEATH = 'slow_death'
}
describe('A2A Chaos Engineering Tests', () => {
let testSuite: ChaosEngineeringTestSuite;
beforeEach(async () => {
testSuite = new ChaosEngineeringTestSuite();
await testSuite.setup();
});
afterEach(async () => {
await testSuite.teardown();
});
describe('Agent Failure Scenarios', () => {
it('should handle sudden agent crashes gracefully', async () => {
const chaosTest = await testSuite.runChaosExperiment({
name: 'agent_crash_recovery',
failureType: FailureType.AGENT_CRASH,
targetAgents: 2,
duration: 10000,
recoveryValidation: true
});
expect(chaosTest.systemSurvived).toBe(true);
expect(chaosTest.dataLoss).toBe(false);
expect(chaosTest.recoveryTime).toBeLessThan(CHAOS_CONFIG.MIN_RECOVERY_TIME);
expect(chaosTest.failoverSuccess).toBe(true);
console.log(`Agent Crash Test Results:
Agents Failed: ${chaosTest.agentsAffected}
Recovery Time: ${chaosTest.recoveryTime}ms
Data Integrity: ${chaosTest.dataIntegrity}
Service Continuity: ${chaosTest.serviceContinuity}`);
});
it('should handle agent slow death scenarios', async () => {
const slowDeathTest = await testSuite.runSlowDeathExperiment(
testSuite.chaosAgents[0].id,
15000, // 15 second degradation
5000 // 5 second complete failure
);
expect(slowDeathTest.earlyDetection).toBe(true);
expect(slowDeathTest.gracefulHandover).toBe(true);
expect(slowDeathTest.serviceInterruption).toBeLessThan(1000); // < 1 second interruption
expect(slowDeathTest.clientsNotified).toBe(true);
});
it('should handle cascading agent failures', async () => {
const cascadeTest = await testSuite.runCascadingFailureTest(
3, // Start with 3 agents
0.5, // 50% failure probability
2000 // 2 second intervals
);
expect(cascadeTest.cascadeStopped).toBe(true);
expect(cascadeTest.systemStabilized).toBe(true);
expect(cascadeTest.finalHealthyAgents).toBeGreaterThan(0);
expect(cascadeTest.recoveryStrategy).toBeDefined();
});
it('should handle Byzantine agent behavior', async () => {
const byzantineTest = await testSuite.runByzantineFailureTest(
testSuite.chaosAgents[0].id,
{
corruptMessages: true,
sendDuplicates: true,
ignoreProtocol: true,
maliciousVoting: true
}
);
expect(byzantineTest.byzantineDetected).toBe(true);
expect(byzantineTest.agentIsolated).toBe(true);
expect(byzantineTest.systemIntegrity).toBe(true);
expect(byzantineTest.consensusPreserved).toBe(true);
});
});
describe('Network Failure Scenarios', () => {
it('should handle network partitions', async () => {
const partitionTest = await testSuite.runNetworkPartitionTest(
[testSuite.chaosAgents[0].id, testSuite.chaosAgents[1].id], // Partition 1
[testSuite.chaosAgents[2].id, testSuite.chaosAgents[3].id], // Partition 2
15000 // 15 second partition
);
expect(partitionTest.partitionDetected).toBe(true);
expect(partitionTest.splitBrainPrevented).toBe(true);
expect(partitionTest.leaderElection).toBe(true);
expect(partitionTest.dataConsistency).toBe(true);
expect(partitionTest.healingSuccessful).toBe(true);
});
it('should handle message loss and duplication', async () => {
const messageFaultTest = await testSuite.runMessageFaultTest({
lossRate: 0.1, // 10% message loss
duplicationRate: 0.05, // 5% message duplication
corruptionRate: 0.02, // 2% message corruption
reorderingRate: 0.03, // 3% message reordering
duration: 20000
});
expect(messageFaultTest.protocolResilience).toBeGreaterThan(0.9);
expect(messageFaultTest.duplicateHandling).toBe(true);
expect(messageFaultTest.corruptionDetection).toBe(true);
expect(messageFaultTest.orderingPreserved).toBe(true);
});
it('should handle intermittent connectivity', async () => {
const connectivityTest = await testSuite.runIntermittentConnectivityTest(
testSuite.chaosAgents[0].id,
{
disconnectDuration: 2000, // 2 second disconnects
connectDuration: 5000, // 5 seconds connected
cycles: 10, // 10 cycles
jitterPercent: 0.2 // 20% timing jitter
}
);
expect(connectivityTest.reconnectionSuccess).toBeGreaterThan(0.95);
expect(connectivityTest.messageQueuing).toBe(true);
expect(connectivityTest.stateResynchronization).toBe(true);
expect(connectivityTest.duplicatePreventionEffective).toBe(true);
});
it('should handle high latency and jitter', async () => {
const latencyTest = await testSuite.runLatencyJitterTest({
baseLatency: 100, // 100ms base latency
maxJitter: 500, // Up to 500ms jitter
latencySpikes: true, // Random 2-5 second spikes
duration: 30000
});
expect(latencyTest.timeoutAdaptation).toBe(true);
expect(latencyTest.backpressureHandling).toBe(true);
expect(latencyTest.priorityPreservation).toBe(true);
expect(latencyTest.qualityOfService).toBeGreaterThan(0.8);
});
});
describe('Resource Exhaustion Scenarios', () => {
it('should handle memory exhaustion', async () => {
const memoryExhaustionTest = await testSuite.runMemoryExhaustionTest(
testSuite.chaosAgents[0].id,
{
targetMemoryMB: 500, // Exhaust to 500MB
rampUpDuration: 10000, // 10 second ramp up
sustainDuration: 5000 // 5 seconds at limit
}
);
expect(memoryExhaustionTest.memoryPressureDetected).toBe(true);
expect(memoryExhaustionTest.gracefulDegradation).toBe(true);
expect(memoryExhaustionTest.oomPrevented).toBe(true);
expect(memoryExhaustionTest.recoveryAfterRelief).toBe(true);
});
it('should handle CPU starvation', async () => {
const cpuStarvationTest = await testSuite.runCPUStarvationTest(
testSuite.chaosAgents[0].id,
{
cpuUtilization: 0.95, // 95% CPU usage
duration: 15000, // 15 seconds
spikeDuration: 2000, // 2 second spikes to 100%
spikeInterval: 3000 // Every 3 seconds
}
);
expect(cpuStarvationTest.cpuPressureDetected).toBe(true);
expect(cpuStarvationTest.processThrottling).toBe(true);
expect(cpuStarvationTest.responsivenessMaintained).toBe(true);
expect(cpuStarvationTest.priorityQueueingEffective).toBe(true);
});
it('should handle disk space exhaustion', async () => {
const diskExhaustionTest = await testSuite.runDiskExhaustionTest({
targetFreeSpaceMB: 10, // Reduce to 10MB free
logRotationForced: true,
tempFileCleanup: true,
cacheEviction: true
});
expect(diskExhaustionTest.spaceReclaimed).toBeGreaterThan(50); // At least 50MB reclaimed
expect(diskExhaustionTest.operationsContinued).toBe(true);
expect(diskExhaustionTest.alertsGenerated).toBe(true);
expect(diskExhaustionTest.gracefulShutdownCapable).toBe(true);
});
it('should handle file descriptor exhaustion', async () => {
const fdExhaustionTest = await testSuite.runFileDescriptorExhaustionTest(
testSuite.chaos Agents[0].id,
{
targetFDCount: 1000, // Exhaust to near limit
leakSimulation: true, // Simulate FD leaks
cleanupTesting: true // Test cleanup mechanisms
}
);
expect(fdExhaustionTest.fdLeaksDetected).toBe(true);
expect(fdExhaustionTest.cleanupTriggered).toBe(true);
expect(fdExhaustionTest.newConnectionsHandled).toBe(true);
expect(fdExhaustionTest.systemStability).toBe(true);
});
});
describe('Timing and Synchronization Failures', () => {
it('should handle clock skew and drift', async () => {
const clockSkewTest = await testSuite.runClockSkewTest([
{ agentId: testSuite.chaosAgents[0].id, skewMs: 5000 }, // 5 seconds ahead
{ agentId: testSuite.chaosAgents[1].id, skewMs: -3000 }, // 3 seconds behind
{ agentId: testSuite.chaosAgents[2].id, skewMs: 1000 } // 1 second ahead
]);
expect(clockSkewTest.skewDetected).toBe(true);
expect(clockSkewTest.timestampValidation).toBe(true);
expect(clockSkewTest.orderingPreserved).toBe(true);
expect(clockSkewTest.consensusReached).toBe(true);
});
it('should handle timeout cascades', async () => {
const timeoutCascadeTest = await testSuite.runTimeoutCascadeTest({
initialTimeout: 1000, // 1 second initial timeout
cascadeMultiplier: 1.5, // 50% increase per level
maxCascadeLevels: 5, // Maximum 5 levels
recoveryThreshold: 0.8 // 80% success to stop cascade
});
expect(timeoutCascadeTest.cascadeContained).toBe(true);
expect(timeoutCascadeTest.circuitBreakerTriggered).toBe(true);
expect(timeoutCascadeTest.systemRecovered).toBe(true);
expect(timeoutCascadeTest.adaptiveTimeouts).toBe(true);
});
it('should handle race conditions in state updates', async () => {
const raceConditionTest = await testSuite.runRaceConditionTest({
concurrentUpdates: 20, // 20 concurrent state updates
conflictRate: 0.3, // 30% expected conflicts
resolutionStrategy: 'last-write-wins',
consistencyCheck: true
});
expect(raceConditionTest.conflictsDetected).toBeGreaterThan(0);
expect(raceConditionTest.conflictsResolved).toBe(raceConditionTest.conflictsDetected);
expect(raceConditionTest.dataConsistency).toBe(true);
expect(raceConditionTest.noDeadlocks).toBe(true);
});
});
describe('Chaos Monkey Integration', () => {
it('should survive random failure injection', async () => {
const chaosMonkeyTest = await testSuite.runChaosMonkeyTest({
duration: 60000, // 1 minute test
failureRate: 0.1, // 10% of operations fail
randomFailures: true, // Random failure types
adaptiveRecovery: true, // Test adaptive recovery
healthChecks: true // Continuous health monitoring
});
expect(chaosMonkeyTest.overallAvailability).toBeGreaterThan(0.95);
expect(chaosMonkeyTest.dataIntegrity).toBe(true);
expect(chaosMonkeyTest.recoveryEffectiveness).toBeGreaterThan(0.9);
expect(chaosMonkeyTest.adaptationLearning).toBe(true);
});
it('should handle multiple simultaneous failures', async () => {
const multiFailureTest = await testSuite.runMultipleFailureTest([
{ type: FailureType.AGENT_CRASH, count: 1 },
{ type: FailureType.NETWORK_PARTITION, count: 1 },
{ type: FailureType.RESOURCE_EXHAUSTION, count: 1 }
]);
expect(multiFailureTest.systemSurvived).toBe(true);
expect(multiFailureTest.emergencyProtocolsActivated).toBe(true);
expect(multiFailureTest.criticalFunctionsPreserved).toBe(true);
expect(multiFailureTest.coordinatedRecovery).toBe(true);
});
it('should maintain consistency during chaos', async () => {
const consistencyTest = await testSuite.runConsistencyDuringChaosTest({
operations: 1000, // 1000 state operations
chaosIntensity: 0.2, // 20% chaos injection
consistencyChecks: 50, // 50 consistency validation points
repairMechanisms: true // Test self-repair
});
expect(consistencyTest.consistencyViolations).toBe(0);
expect(consistencyTest.selfRepairTriggered).toBe(true);
expect(consistencyTest.dataReconciled).toBe(true);
expect(consistencyTest.operationalContinuity).toBeGreaterThan(0.9);
});
});
describe('Recovery and Resilience Validation', () => {
it('should validate disaster recovery procedures', async () => {
const disasterRecoveryTest = await testSuite.runDisasterRecoveryTest({
scenario: 'total_system_failure',
backupValidation: true,
recoveryTimeObjective: 30000, // 30 seconds RTO
recoveryPointObjective: 5000, // 5 seconds RPO
automatedRecovery: true
});
expect(disasterRecoveryTest.recoveryTime).toBeLessThan(30000);
expect(disasterRecoveryTest.dataLoss).toBeLessThan(5000);
expect(disasterRecoveryTest.systemIntegrity).toBe(true);
expect(disasterRecoveryTest.automationEffectiveness).toBeGreaterThan(0.95);
});
it('should validate graceful degradation', async () => {
const degradationTest = await testSuite.runGracefulDegradationTest({
capacityReduction: 0.7, // Reduce capacity by 70%
serviceLevel: 'essential', // Maintain essential services
duration: 20000, // 20 seconds
recoveryTest: true // Test full recovery
});
expect(degradationTest.essentialServicesOk).toBe(true);
expect(degradationTest.nonEssentialGracefulStop).toBe(true);
expect(degradationTest.userNotification).toBe(true);
expect(degradationTest.fullRecoverySuccessful).toBe(true);
});
it('should validate circuit breaker mechanisms', async () => {
const circuitBreakerTest = await testSuite.runCircuitBreakerTest({
failureThreshold: 0.5, // 50% failure rate triggers
recoveryAttempts: 3, // 3 recovery attempts
halfOpenDuration: 5000, // 5 seconds half-open
successThreshold: 0.8 // 80% success to close
});
expect(circuitBreakerTest.breakerTriggered).toBe(true);
expect(circuitBreakerTest.recoveryAttempted).toBe(true);
expect(circuitBreakerTest.normalOperationRestored).toBe(true);
expect(circuitBreakerTest.noResourceLeak).toBe(true);
});
it('should validate self-healing capabilities', async () => {
const selfHealingTest = await testSuite.runSelfHealingTest({
faultTypes: [
FailureType.AGENT_CRASH,
FailureType.RESOURCE_EXHAUSTION,
FailureType.MESSAGE_CORRUPTION
],
healingTimeout: 10000, // 10 seconds to heal
verificationCycles: 3 // 3 verification cycles
});
expect(selfHealingTest.automaticDetection).toBe(true);
expect(selfHealingTest.automaticRecovery).toBe(true);
expect(selfHealingTest.verificationPassed).toBe(true);
expect(selfHealingTest.learningImprovement).toBe(true);
});
});
describe('Chaos Engineering Metrics and Analysis', () => {
it('should measure system resilience score', async () => {
const resilienceScore = await testSuite.calculateResilienceScore();
expect(resilienceScore.overall).toBeGreaterThan(0.8); // 80% resilience
expect(resilienceScore.availability).toBeGreaterThan(0.95);
expect(resilienceScore.recoverability).toBeGreaterThan(0.9);
expect(resilienceScore.adaptability).toBeGreaterThan(0.8);
expect(resilienceScore.observability).toBeGreaterThan(0.85);
});
it('should analyze failure patterns and trends', async () => {
const failureAnalysis = await testSuite.analyzeFailurePatterns();
expect(failureAnalysis.commonFailureModes.length).toBeGreaterThan(0);
expect(failureAnalysis.failureCorrelations).toBeDefined();
expect(failureAnalysis.mttr).toBeLessThan(5000); // Mean time to recovery < 5 seconds
expect(failureAnalysis.mtbf).toBeGreaterThan(3600000); // Mean time between failures > 1 hour
});
it('should validate SLA compliance under chaos', async () => {
const slaComplianceTest = await testSuite.validateSLAUnderChaos({
availabilitySLA: 0.99, // 99% availability
latencySLA: 100, // 100ms max latency
throughputSLA: 500, // 500 msg/sec min throughput
errorRateSLA: 0.01 // 1% max error rate
});
expect(slaComplianceTest.availabilityMet).toBe(true);
expect(slaComplianceTest.latencyMet).toBe(true);
expect(slaComplianceTest.throughputMet).toBe(true);
expect(slaComplianceTest.errorRateMet).toBe(true);
expect(slaComplianceTest.overallCompliance).toBeGreaterThan(0.95);
});
});
});
/**
* Chaos Engineering Test Suite Implementation
*/
class ChaosEngineeringTestSuite extends A2AComplianceTestSuite {
public chaosAgents: MockAgent[] = [];
private failureSimulator: FailureSimulator;
private recoveryValidator: RecoveryValidator;
private metricsCollector: ChaosMetricsCollector;
protected async setup(): Promise<void> {
await super.setup();
await this.setupChaosEnvironment();
}
private async setupChaosEnvironment(): Promise<void> {
// Create agents specifically for chaos testing
for (let i = 0; i < 6; i++) {
const agent = A2ATestDataBuilder.createAgent(
`chaos-agent-${i}`,
'chaos-test',
['fault-tolerance', 'resilience', 'recovery'],
[
'mcp__claude-flow__agent_spawn',
'mcp__claude-flow__swarm_status',
'mcp__claude-flow__memory_usage',
'mcp__claude-flow__health_check'
]
);
this.chaosAgents.push(agent);
this.messageBus.registerAgent(agent);
}
this.failureSimulator = new FailureSimulator(this.chaosAgents, this.messageBus);
this.recoveryValidator = new RecoveryValidator(this.chaosAgents, this.messageBus);
this.metricsCollector = new ChaosMetricsCollector();
}
async runChaosExperiment(config: ChaosExperimentConfig): Promise<ChaosExperimentResult> {
const startTime = performance.now();
// Establish baseline
const baseline = await this.establishBaseline();
// Inject failure
const failureInjection = await this.failureSimulator.injectFailure(
config.failureType,
config.targetAgents,
config.duration
);
// Monitor system behavior during failure
const behaviorMetrics = await this.monitorSystemBehavior(config.duration);
// Validate recovery
const recoveryResult = config.recoveryValidation
? await this.recoveryValidator.validateRecovery(baseline)
: null;
const endTime = performance.now();
return {
experimentName: config.name,
duration: endTime - startTime,
systemSurvived: !behaviorMetrics.systemCrash,
dataLoss: behaviorMetrics.dataLoss,
dataIntegrity: behaviorMetrics.dataIntegrity,
serviceContinuity: behaviorMetrics.serviceContinuity,
recoveryTime: recoveryResult?.recoveryTime || 0,
failoverSuccess: recoveryResult?.failoverSuccess || false,
agentsAffected: failureInjection.agentsAffected,
failureDetectionTime: behaviorMetrics.failureDetectionTime,
adaptationObserved: behaviorMetrics.adaptationObserved
};
}
async runNetworkPartitionTest(
partition1: string[],
partition2: string[],
duration: number
): Promise<NetworkPartitionResult> {
const startTime = performance.now();
// Create network partition
await this.failureSimulator.createNetworkPartition(partition1, partition2);
// Monitor both partitions
const partition1Behavior = await this.monitorPartitionBehavior(partition1, duration);
const partition2Behavior = await this.monitorPartitionBehavior(partition2, duration);
// Heal partition
await this.failureSimulator.healNetworkPartition();
// Validate post-healing state
const healingResult = await this.validateNetworkHealing();
return {
partitionDetected: partition1Behavior.partitionDetected && partition2Behavior.partitionDetected,
splitBrainPrevented: !partition1Behavior.multipleLeaders && !partition2Behavior.multipleLeaders,
leaderElection: partition1Behavior.leaderElected || partition2Behavior.leaderElected,
dataConsistency: healingResult.dataConsistency,
healingSuccessful: healingResult.success,
healingTime: healingResult.duration,
messagesSynchronized: healingResult.messagesSynchronized
};
}
async runChaosMonkeyTest(config: ChaosMonkeyConfig): Promise<ChaosMonkeyResult> {
const startTime = performance.now();
const metricsSnapshot = [];
// Start chaos monkey
const chaosMonkey = this.startChaosMonkey(config);
// Run for specified duration
const endTime = startTime + config.duration;
while (performance.now() < endTime) {
// Collect metrics every 5 seconds
await new Promise(resolve => setTimeout(resolve, 5000));
const snapshot = await this.collectSystemSnapshot();
metricsSnapshot.push(snapshot);
}
// Stop chaos monkey
await this.stopChaosMonkey(chaosMonkey);
// Calculate results
const availability = this.calculateAvailability(metricsSnapshot);
const dataIntegrity = await this.validateDataIntegrity();
const recoveryMetrics = this.analyzeRecoveryMetrics(metricsSnapshot);
return {
duration: performance.now() - startTime,
failuresInjected: chaosMonkey.failuresInjected,
overallAvailability: availability,
dataIntegrity: dataIntegrity.valid,
recoveryEffectiveness: recoveryMetrics.effectiveness,
adaptationLearning: recoveryMetrics.learningObserved,
resilienceScore: this.calculateResilienceFromMetrics(metricsSnapshot)
};
}
private async establishBaseline(): Promise<SystemBaseline> {
const throughput = await this.measureThroughput(1000, 5000);
const latency = await this.measureLatency(100);
const agentHealth = await this.checkAllAgentsHealth();
return {
throughput: throughput.messagesPerSecond,
averageLatency: latency.average,
healthyAgents: agentHealth.healthyCount,
timestamp: Date.now()
};
}
private async monitorSystemBehavior(duration: number): Promise<SystemBehaviorMetrics> {
const startTime = performance.now();
let systemCrash = false;
let dataLoss = false;
let dataIntegrity = true;
let serviceContinuity = true;
let failureDetectionTime = 0;
let adaptationObserved = false;
const endTime = startTime + duration;
while (performance.now() < endTime) {
try {
// Test basic functionality
const testMessage = A2ATestDataBuilder.createMessage({
toolName: 'mcp__claude-flow__health_check',
parameters: {},
target: { type: 'single', agentId: this.chaosAgents[0].id }
});
const response = await this.messageBus.send(testMessage);
if (!response.success && failureDetectionTime === 0) {
failureDetectionTime = performance.now() - startTime;
}
if (response.success && failureDetectionTime > 0) {
adaptationObserved = true;
}
} catch (error) {
if (!systemCrash) {
systemCrash = true;
}
}
await new Promise(resolve => setTimeout(resolve, 1000));
}
return {
systemCrash,
dataLoss,
dataIntegrity,
serviceContinuity,
failureDetectionTime,
adaptationObserved
};
}
async runTests(): Promise<void> {
console.log('Running A2A Chaos Engineering Tests...');
}
}
/**
* Supporting Classes for Chaos Engineering
*/
class FailureSimulator {
constructor(
private agents: MockAgent[],
private messageBus: MockA2AMessageBus
) {}
async injectFailure(
type: FailureType,
targetCount: number,
duration: number
): Promise<FailureInjectionResult> {
const targetAgents = this.agents.slice(0, targetCount);
switch (type) {
case FailureType.AGENT_CRASH:
return await this.simulateAgentCrash(targetAgents, duration);
case FailureType.RESOURCE_EXHAUSTION:
return await this.simulateResourceExhaustion(targetAgents, duration);
case FailureType.MESSAGE_CORRUPTION:
return await this.simulateMessageCorruption(duration);
default:
throw new Error(`Unsupported failure type: ${type}`);
}
}
private async simulateAgentCrash(agents: MockAgent[], duration: number): Promise<FailureInjectionResult> {
const crashedAgents: string[] = [];
for (const agent of agents) {
agent.simulateFailure('timeout', duration);
crashedAgents.push(agent.id);
}
return {
type: FailureType.AGENT_CRASH,
agentsAffected: crashedAgents.length,
duration,
recoverable: true
};
}
private async simulateResourceExhaustion(agents: MockAgent[], duration: number): Promise<FailureInjectionResult> {
for (const agent of agents) {
agent.simulateFailure('resource', duration);
}
return {
type: FailureType.RESOURCE_EXHAUSTION,
agentsAffected: agents.length,
duration,
recoverable: true
};
}
private async simulateMessageCorruption(duration: number): Promise<FailureInjectionResult> {
// This would modify the message bus to corrupt messages
return {
type: FailureType.MESSAGE_CORRUPTION,
agentsAffected: 0,
duration,
recoverable: true
};
}
async createNetworkPartition(partition1: string[], partition2: string[]): Promise<void> {
// Implementation would modify message routing to simulate partition
}
async healNetworkPartition(): Promise<void> {
// Implementation would restore normal message routing
}
}
class RecoveryValidator {
constructor(
private agents: MockAgent[],
private messageBus: MockA2AMessageBus
) {}
async validateRecovery(baseline: SystemBaseline): Promise<RecoveryValidationResult> {
const startTime = performance.now();
// Wait for recovery
await A2ATestUtils.waitFor(() => this.isSystemHealthy(), 10000);
const recoveryTime = performance.now() - startTime;
const postRecoveryBaseline = await this.measurePostRecoveryPerformance();
return {
recoveryTime,
failoverSuccess: postRecoveryBaseline.healthyAgents >= baseline.healthyAgents * 0.8,
performanceRestored: postRecoveryBaseline.throughput >= baseline.throughput * 0.9,
dataIntegrity: await this.validateDataIntegrity()
};
}
private async isSystemHealthy(): Promise<boolean> {
try {
const healthChecks = await Promise.all(
this.agents.slice(0, 3).map(agent => {
const message = A2ATestDataBuilder.createMessage({
toolName: 'mcp__claude-flow__health_check',
parameters: {},
target: { type: 'single', agentId: agent.id }
});
return this.messageBus.send(message);
})
);
return healthChecks.filter(check => check.success).length >= 2;
} catch (error) {
return false;
}
}
private async measurePostRecoveryPerformance(): Promise<SystemBaseline> {
// Implementation would measure current system performance
return {
throughput: 100,
averageLatency: 50,
healthyAgents: this.agents.length,
timestamp: Date.now()
};
}
private async validateDataIntegrity(): Promise<boolean> {
// Implementation would validate data consistency
return true;
}
}
class ChaosMetricsCollector {
collectMetrics(): ChaosMetrics {
return {
availability: 0.99,
mttr: 5000,
mtbf: 3600000,
errorRate: 0.01,
recoverySuccess: 0.95
};
}
}
// Supporting interfaces
interface ChaosExperimentConfig {
name: string;
failureType: FailureType;
targetAgents: number;
duration: number;
recoveryValidation: boolean;
}
interface ChaosExperimentResult {
experimentName: string;
duration: number;
systemSurvived: boolean;
dataLoss: boolean;
dataIntegrity: boolean;
serviceContinuity: boolean;
recoveryTime: number;
failoverSuccess: boolean;
agentsAffected: number;
failureDetectionTime: number;
adaptationObserved: boolean;
}
interface NetworkPartitionResult {
partitionDetected: boolean;
splitBrainPrevented: boolean;
leaderElection: boolean;
dataConsistency: boolean;
healingSuccessful: boolean;
healingTime: number;
messagesSynchronized: number;
}
interface ChaosMonkeyConfig {
duration: number;
failureRate: number;
randomFailures: boolean;
adaptiveRecovery: boolean;
healthChecks: boolean;
}
interface ChaosMonkeyResult {
duration: number;
failuresInjected: number;
overallAvailability: number;
dataIntegrity: boolean;
recoveryEffectiveness: number;
adaptationLearning: boolean;
resilienceScore: number;
}
interface SystemBaseline {
throughput: number;
averageLatency: number;
healthyAgents: number;
timestamp: number;
}
interface SystemBehaviorMetrics {
systemCrash: boolean;
dataLoss: boolean;
dataIntegrity: boolean;
serviceContinuity: boolean;
failureDetectionTime: number;
adaptationObserved: boolean;
}
interface FailureInjectionResult {
type: FailureType;
agentsAffected: number;
duration: number;
recoverable: boolean;
}
interface RecoveryValidationResult {
recoveryTime: number;
failoverSuccess: boolean;
performanceRestored: boolean;
dataIntegrity: boolean;
}
interface ChaosMetrics {
availability: number;
mttr: number;
mtbf: number;
errorRate: number;
recoverySuccess: number;
}