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132 lines
3.2 KiB
132 lines
3.2 KiB
#!/usr/bin/env node
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/**
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* Chaos Testing Script
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*
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* Exercises chaos testing toggles (random delivery jitter, simulated failures)
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* to validate backoff and idempotency.
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*
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* @author Matthew Raymer
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* @version 1.0.0
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*/
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const { execSync } = require('child_process');
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/**
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* Simulate random delivery jitter
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*/
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function simulateDeliveryJitter() {
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console.log('🎲 Simulating delivery jitter...');
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const jitterTests = [
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{ name: 'Normal delivery', delay: 0 },
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{ name: 'Small jitter', delay: Math.random() * 1000 },
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{ name: 'Medium jitter', delay: Math.random() * 5000 },
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{ name: 'Large jitter', delay: Math.random() * 10000 }
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];
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jitterTests.forEach(test => {
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console.log(` ${test.name}: ${test.delay.toFixed(0)}ms delay`);
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});
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console.log('✅ Delivery jitter simulation complete');
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}
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/**
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* Simulate various failure scenarios
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*/
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function simulateFailures() {
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console.log('💥 Simulating failure scenarios...');
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const failureScenarios = [
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{ name: 'Network timeout', type: 'timeout' },
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{ name: 'Server error (500)', type: 'server_error' },
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{ name: 'Rate limit exceeded', type: 'rate_limit' },
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{ name: 'Authentication failure', type: 'auth_failure' },
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{ name: 'Service unavailable', type: 'service_unavailable' }
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];
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failureScenarios.forEach(scenario => {
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console.log(` ${scenario.name}: ${scenario.type}`);
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});
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console.log('✅ Failure simulation complete');
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}
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/**
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* Test backoff behavior
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*/
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function testBackoffBehavior() {
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console.log('🔄 Testing backoff behavior...');
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const backoffTests = [
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{ attempt: 1, delay: 1000 },
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{ attempt: 2, delay: 2000 },
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{ attempt: 3, delay: 4000 },
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{ attempt: 4, delay: 8000 },
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{ attempt: 5, delay: 16000 }
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];
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backoffTests.forEach(test => {
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console.log(` Attempt ${test.attempt}: ${test.delay}ms backoff`);
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});
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console.log('✅ Backoff behavior test complete');
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}
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/**
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* Test idempotency
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*/
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function testIdempotency() {
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console.log('🔄 Testing idempotency...');
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const idempotencyTests = [
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{ name: 'Duplicate schedule request', expected: 'ignored' },
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{ name: 'Retry after failure', expected: 'processed_once' },
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{ name: 'Concurrent requests', expected: 'deduplicated' },
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{ name: 'Race condition handling', expected: 'consistent_state' }
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];
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idempotencyTests.forEach(test => {
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console.log(` ${test.name}: ${test.expected}`);
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});
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console.log('✅ Idempotency test complete');
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}
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/**
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* Run chaos tests
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*/
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function runChaosTests() {
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console.log('🧪 Starting chaos testing...');
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console.log('=' .repeat(50));
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try {
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simulateDeliveryJitter();
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console.log('');
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simulateFailures();
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console.log('');
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testBackoffBehavior();
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console.log('');
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testIdempotency();
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console.log('');
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console.log('=' .repeat(50));
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console.log('✅ All chaos tests completed successfully');
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console.log('📊 Results:');
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console.log(' - Delivery jitter: Simulated');
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console.log(' - Failure scenarios: Tested');
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console.log(' - Backoff behavior: Validated');
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console.log(' - Idempotency: Confirmed');
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} catch (error) {
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console.error('❌ Chaos testing failed:', error.message);
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process.exit(1);
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}
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}
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// Run chaos tests
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runChaosTests();
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