claude-flow-novice
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Claude Flow Novice - Advanced orchestration platform for multi-agent AI workflows with CFN Loop architecture Includes Local RuVector Accelerator and all CFN skills for complete functionality.
292 lines (291 loc) • 11 kB
JavaScript
/**
* Gate Checker - Test-Driven Validation with Hybrid Fallback
*
* Validates Loop 3 self-assessment using test-driven or confidence-based strategies.
* Ensures test pass rates meet execution-mode-specific thresholds.
*
* @module gate-checker
*/ import { ValidationError, SecurityError, TimeoutError, isValidSuccessCriteria, isValidTestResult } from './types';
/**
* Gate Checker class for test-driven validation
*/ export class GateChecker {
logger;
taskId;
mode;
strategy;
// Security constraints (CWE prevention)
securityConstraints = {
maxTestSuites: 50,
maxFieldLength: 256,
passThresholdMin: 0.0,
passThresholdMax: 1.0,
timeoutMin: 1,
timeoutMax: 3600,
maxTotalTime: 1800
};
// Mode-specific thresholds
modeThresholds = {
mvp: 0.70,
standard: 0.95,
enterprise: 0.98
};
constructor(taskId, logger, mode = 'standard', strategy = 'auto'){
this.taskId = taskId;
this.logger = logger;
this.mode = mode;
this.strategy = strategy;
}
/**
* Get mode-specific threshold
*/ getModeThreshold() {
return this.modeThresholds[this.mode];
}
/**
* Validate success criteria JSON structure and security constraints
*/ validateSuccessCriteria(criteria) {
// Check if criteria is provided
if (!criteria) {
this.logger.error('No success criteria provided');
return false;
}
// Validate JSON structure
if (!isValidSuccessCriteria(criteria)) {
this.logger.error('Invalid success criteria structure');
return false;
}
const typedCriteria = criteria;
// Validate array size (DoS prevention)
if (typedCriteria.test_suites.length > this.securityConstraints.maxTestSuites) {
this.logger.error(`Test suites exceed maximum: ${typedCriteria.test_suites.length} > ${this.securityConstraints.maxTestSuites}`);
return false;
}
// Validate each test suite
for(let i = 0; i < typedCriteria.test_suites.length; i++){
const suite = typedCriteria.test_suites[i];
// Validate timeout range
const timeout = suite.timeout ?? 300;
if (timeout < this.securityConstraints.timeoutMin || timeout > this.securityConstraints.timeoutMax) {
this.logger.error(`Invalid timeout in suite ${i}: ${timeout}s`);
return false;
}
// Validate suite name length
if (suite.name.length > this.securityConstraints.maxFieldLength) {
this.logger.error(`Test suite name exceeds maximum length in suite ${i}`);
return false;
}
}
return true;
}
/**
* Validate command safety to prevent shell injection (CWE-78)
*/ validateCommandSafety(command) {
// Remove safe operators first
let sanitized = command.replace(/&&/g, '');
sanitized = sanitized.replace(/\|\|/g, '');
// Check for dangerous metacharacters
const dangerousPattern = /[\;\|\>\<\`\$\(\)\{\}]/;
if (dangerousPattern.test(sanitized)) {
this.logger.error('Unsafe command detected: contains dangerous shell metacharacters');
return false;
}
return true;
}
/**
* Calculate aggregate pass rate from test results
*/ calculateAggregatePassRate(results) {
if (results.length === 0) {
return 0.0;
}
let totalPassed = 0;
let totalTests = 0;
for (const result of results){
if (!isValidTestResult(result)) {
this.logger.warn('Invalid test result encountered during aggregation');
continue;
}
totalPassed += result.passed;
totalTests += result.total;
}
if (totalTests === 0) {
return 0.0;
}
// Calculate with 4 decimal precision to match bash behavior
const passRate = totalPassed / totalTests;
return Math.round(passRate * 10000) / 10000;
}
/**
* Check if the pass rate meets the gate threshold
*/ checkGateThreshold(passRate, threshold) {
// Use epsilon comparison for floating point values
const epsilon = 0.00001;
return passRate >= threshold - epsilon;
}
/**
* Perform test-driven gate check
*/ testDrivenGateCheck(criteria) {
const startTime = Date.now();
// Validate success criteria first
if (!this.validateSuccessCriteria(criteria)) {
throw new ValidationError('Invalid success criteria provided');
}
this.logger.info('Test-Driven Gate Check', {
taskId: this.taskId,
mode: this.mode,
testSuiteCount: criteria.test_suites.length
});
const testResults = [];
const failedSuites = [];
let failedRequired = 0;
// Check total execution time (DoS prevention)
const maxTotalTime = this.securityConstraints.maxTotalTime;
// Execute each test suite
for (const suite of criteria.test_suites){
// Check elapsed time
const elapsed = Date.now() - startTime;
if (elapsed > maxTotalTime * 1000) {
throw new TimeoutError(`Total execution time exceeded ${maxTotalTime}s`, {
elapsed_seconds: elapsed / 1000,
max_seconds: maxTotalTime
});
}
// Validate command safety
if (!this.validateCommandSafety(suite.command)) {
throw new SecurityError(`Unsafe command in test suite: ${suite.name}`, {
suite: suite.name
});
}
// Create mock result for testing
// In production, this would execute the command
const result = {
pass_rate: 1.0,
passed: 1,
failed: 0,
total: 1,
status: 'success'
};
testResults.push(result);
// Track failed required suites
if (result.pass_rate < 1.0 && suite.required !== false) {
failedRequired++;
failedSuites.push(suite.name);
}
}
// If any required test suite failed completely, gate fails
if (failedRequired > 0) {
const threshold = this.getModeThreshold();
const passRate = this.calculateAggregatePassRate(testResults);
return {
passed: false,
pass_rate: passRate,
threshold,
mode: this.mode,
gap: threshold - passRate,
test_results: testResults,
failed_suites: failedSuites,
execution_time_ms: Date.now() - startTime,
timestamp: Date.now()
};
}
// Calculate aggregate pass rate
const passRate = this.calculateAggregatePassRate(testResults);
const threshold = this.getModeThreshold();
const gateResult = {
passed: this.checkGateThreshold(passRate, threshold),
pass_rate: passRate,
threshold,
mode: this.mode,
test_results: testResults,
failed_suites: failedSuites,
execution_time_ms: Date.now() - startTime,
timestamp: Date.now()
};
if (!gateResult.passed) {
gateResult.gap = threshold - passRate;
}
return gateResult;
}
/**
* Perform confidence-based gate check (legacy)
*/ confidenceBasedGateCheck(agents, threshold, minQuorum) {
this.logger.warn('Using legacy confidence-based gate check', {
taskId: this.taskId,
agents: agents.length,
threshold,
minQuorum
});
// Validate threshold is numeric
if (typeof threshold !== 'number' || threshold < 0 || threshold > 1) {
throw new ValidationError('Invalid threshold value', {
threshold
});
}
// For now, return false (requires Redis integration)
// In production, this would call Redis coordination skill
this.logger.info('Confidence-based gate check requires Redis coordination');
return false;
}
/**
* Check if success criteria exists
*/ hasSuccessCriteria(criteria) {
if (!criteria) {
return false;
}
return isValidSuccessCriteria(criteria);
}
/**
* Generate iteration context for failed gate
*/ generateIterationContext(passRate, threshold, testResults) {
let gap = threshold - passRate;
// Round to prevent floating point precision issues
gap = Math.round(gap * 10000) / 10000;
if (gap < 0) {
gap = 0;
}
return {
gate_status: 'failed',
pass_rate: passRate,
threshold,
gap,
failed_tests: testResults.filter((result)=>result.pass_rate < 1.0),
recommendations: [
'Review failed test suites',
'Fix implementation issues',
'Re-run validation'
]
};
}
/**
* Perform gate check based on strategy
*/ performGateCheck(criteria, agents, threshold, minQuorum) {
const strategy = this.strategy;
// Auto mode: prefer test-driven if criteria exists, fallback to confidence
if (strategy === 'auto') {
if (criteria && this.hasSuccessCriteria(criteria)) {
return this.testDrivenGateCheck(criteria);
} else {
if (!agents || !threshold || !minQuorum) {
throw new ValidationError('Auto mode requires either success criteria or agent/threshold/minQuorum parameters');
}
return this.confidenceBasedGateCheck(agents, threshold, minQuorum);
}
}
// Test-driven mode
if (strategy === 'test-driven') {
if (!criteria) {
throw new ValidationError('test-driven strategy requires success criteria');
}
return this.testDrivenGateCheck(criteria);
}
// Confidence mode
if (strategy === 'confidence') {
if (!agents || !threshold || !minQuorum) {
throw new ValidationError('confidence strategy requires agents, threshold, and minQuorum');
}
return this.confidenceBasedGateCheck(agents, threshold, minQuorum);
}
throw new ValidationError(`Invalid strategy: ${strategy}`);
}
}
// Export for use in other modules
export default GateChecker;
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