test-error-output-validation.tsβ’7.91 kB
#!/usr/bin/env npx tsx
/**
* Test script for error output validation improvements
* Tests both incorrect and correct error output configurations
*/
import { WorkflowValidator } from '../dist/services/workflow-validator.js';
import { NodeRepository } from '../dist/database/node-repository.js';
import { EnhancedConfigValidator } from '../dist/services/enhanced-config-validator.js';
import { DatabaseAdapter } from '../dist/database/database-adapter.js';
import { Logger } from '../dist/utils/logger.js';
import path from 'path';
import { fileURLToPath } from 'url';
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const logger = new Logger({ prefix: '[TestErrorValidation]' });
async function runTests() {
// Initialize database
const dbPath = path.join(__dirname, '..', 'data', 'n8n-nodes.db');
const adapter = new DatabaseAdapter();
adapter.initialize({
type: 'better-sqlite3',
filename: dbPath
});
const db = adapter.getDatabase();
const nodeRepository = new NodeRepository(db);
const validator = new WorkflowValidator(nodeRepository, EnhancedConfigValidator);
console.log('\nπ§ͺ Testing Error Output Validation Improvements\n');
console.log('=' .repeat(60));
// Test 1: Incorrect configuration - multiple nodes in same array
console.log('\nπ Test 1: INCORRECT - Multiple nodes in main[0]');
console.log('-'.repeat(40));
const incorrectWorkflow = {
nodes: [
{
id: '132ef0dc-87af-41de-a95d-cabe3a0a5342',
name: 'Validate Input',
type: 'n8n-nodes-base.set',
typeVersion: 3.4,
position: [-400, 64] as [number, number],
parameters: {}
},
{
id: '5dedf217-63f9-409f-b34e-7780b22e199a',
name: 'Filter URLs',
type: 'n8n-nodes-base.filter',
typeVersion: 2.2,
position: [-176, 64] as [number, number],
parameters: {}
},
{
id: '9d5407cc-ca5a-4966-b4b7-0e5dfbf54ad3',
name: 'Error Response1',
type: 'n8n-nodes-base.respondToWebhook',
typeVersion: 1.5,
position: [-160, 240] as [number, number],
parameters: {}
}
],
connections: {
'Validate Input': {
main: [
[
{ node: 'Filter URLs', type: 'main', index: 0 },
{ node: 'Error Response1', type: 'main', index: 0 } // WRONG!
]
]
}
}
};
const result1 = await validator.validateWorkflow(incorrectWorkflow);
if (result1.errors.length > 0) {
console.log('β ERROR DETECTED (as expected):');
const errorMessage = result1.errors.find(e =>
e.message.includes('Incorrect error output configuration')
);
if (errorMessage) {
console.log('\n' + errorMessage.message);
}
} else {
console.log('β
No errors found (but should have detected the issue!)');
}
// Test 2: Correct configuration - separate arrays
console.log('\nπ Test 2: CORRECT - Separate main[0] and main[1]');
console.log('-'.repeat(40));
const correctWorkflow = {
nodes: [
{
id: '132ef0dc-87af-41de-a95d-cabe3a0a5342',
name: 'Validate Input',
type: 'n8n-nodes-base.set',
typeVersion: 3.4,
position: [-400, 64] as [number, number],
parameters: {},
onError: 'continueErrorOutput' as const
},
{
id: '5dedf217-63f9-409f-b34e-7780b22e199a',
name: 'Filter URLs',
type: 'n8n-nodes-base.filter',
typeVersion: 2.2,
position: [-176, 64] as [number, number],
parameters: {}
},
{
id: '9d5407cc-ca5a-4966-b4b7-0e5dfbf54ad3',
name: 'Error Response1',
type: 'n8n-nodes-base.respondToWebhook',
typeVersion: 1.5,
position: [-160, 240] as [number, number],
parameters: {}
}
],
connections: {
'Validate Input': {
main: [
[
{ node: 'Filter URLs', type: 'main', index: 0 }
],
[
{ node: 'Error Response1', type: 'main', index: 0 } // CORRECT!
]
]
}
}
};
const result2 = await validator.validateWorkflow(correctWorkflow);
const hasIncorrectError = result2.errors.some(e =>
e.message.includes('Incorrect error output configuration')
);
if (!hasIncorrectError) {
console.log('β
No error output configuration issues (correct!)');
} else {
console.log('β Unexpected error found');
}
// Test 3: onError without error connections
console.log('\nπ Test 3: onError without error connections');
console.log('-'.repeat(40));
const mismatchWorkflow = {
nodes: [
{
id: '1',
name: 'HTTP Request',
type: 'n8n-nodes-base.httpRequest',
typeVersion: 4,
position: [100, 100] as [number, number],
parameters: {},
onError: 'continueErrorOutput' as const
},
{
id: '2',
name: 'Process Data',
type: 'n8n-nodes-base.set',
typeVersion: 2,
position: [300, 100] as [number, number],
parameters: {}
}
],
connections: {
'HTTP Request': {
main: [
[
{ node: 'Process Data', type: 'main', index: 0 }
]
// No main[1] for error output
]
}
}
};
const result3 = await validator.validateWorkflow(mismatchWorkflow);
const mismatchError = result3.errors.find(e =>
e.message.includes("has onError: 'continueErrorOutput' but no error output connections")
);
if (mismatchError) {
console.log('β ERROR DETECTED (as expected):');
console.log(`Node: ${mismatchError.nodeName}`);
console.log(`Message: ${mismatchError.message}`);
} else {
console.log('β
No mismatch detected (but should have!)');
}
// Test 4: Error connections without onError
console.log('\nπ Test 4: Error connections without onError property');
console.log('-'.repeat(40));
const missingOnErrorWorkflow = {
nodes: [
{
id: '1',
name: 'HTTP Request',
type: 'n8n-nodes-base.httpRequest',
typeVersion: 4,
position: [100, 100] as [number, number],
parameters: {}
// Missing onError property
},
{
id: '2',
name: 'Process Data',
type: 'n8n-nodes-base.set',
position: [300, 100] as [number, number],
parameters: {}
},
{
id: '3',
name: 'Error Handler',
type: 'n8n-nodes-base.set',
position: [300, 300] as [number, number],
parameters: {}
}
],
connections: {
'HTTP Request': {
main: [
[
{ node: 'Process Data', type: 'main', index: 0 }
],
[
{ node: 'Error Handler', type: 'main', index: 0 }
]
]
}
}
};
const result4 = await validator.validateWorkflow(missingOnErrorWorkflow);
const missingOnErrorWarning = result4.warnings.find(w =>
w.message.includes('error output connections in main[1] but missing onError')
);
if (missingOnErrorWarning) {
console.log('β οΈ WARNING DETECTED (as expected):');
console.log(`Node: ${missingOnErrorWarning.nodeName}`);
console.log(`Message: ${missingOnErrorWarning.message}`);
} else {
console.log('β
No warning (but should have warned!)');
}
console.log('\n' + '='.repeat(60));
console.log('\nπ Summary:');
console.log('- Error output validation is working correctly');
console.log('- Detects incorrect configurations (multiple nodes in main[0])');
console.log('- Validates onError property matches connections');
console.log('- Provides clear error messages with fix examples');
// Close database
adapter.close();
}
runTests().catch(error => {
console.error('Test failed:', error);
process.exit(1);
});