fixed-collection-validation.test.ts•12.8 kB
/**
* Fixed Collection Validation Tests
* Tests for the fix of issue #90: "propertyValues[itemName] is not iterable" error
*
* This ensures AI agents cannot create invalid fixedCollection structures that break n8n UI
*/
import { describe, test, expect } from 'vitest';
import { EnhancedConfigValidator } from '../../../src/services/enhanced-config-validator';
describe('FixedCollection Validation', () => {
describe('Switch Node v2/v3 Validation', () => {
test('should detect invalid nested conditions structure', () => {
const invalidConfig = {
rules: {
conditions: {
values: [
{
value1: '={{$json.status}}',
operation: 'equals',
value2: 'active'
}
]
}
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.switch',
invalidConfig,
[],
'operation',
'ai-friendly'
);
expect(result.valid).toBe(false);
expect(result.errors).toHaveLength(1);
expect(result.errors[0].type).toBe('invalid_value');
expect(result.errors[0].property).toBe('rules');
expect(result.errors[0].message).toContain('propertyValues[itemName] is not iterable');
expect(result.errors[0].fix).toContain('{ "rules": { "values": [{ "conditions": {...}, "outputKey": "output1" }] } }');
});
test('should detect direct conditions in rules (another invalid pattern)', () => {
const invalidConfig = {
rules: {
conditions: {
value1: '={{$json.status}}',
operation: 'equals',
value2: 'active'
}
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.switch',
invalidConfig,
[],
'operation',
'ai-friendly'
);
expect(result.valid).toBe(false);
expect(result.errors).toHaveLength(1);
expect(result.errors[0].message).toContain('Invalid structure for nodes-base.switch node');
});
test('should provide auto-fix for invalid switch structure', () => {
const invalidConfig = {
rules: {
conditions: {
values: [
{
value1: '={{$json.status}}',
operation: 'equals',
value2: 'active'
}
]
}
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.switch',
invalidConfig,
[],
'operation',
'ai-friendly'
);
expect(result.autofix).toBeDefined();
expect(result.autofix!.rules).toBeDefined();
expect(result.autofix!.rules.values).toBeInstanceOf(Array);
expect(result.autofix!.rules.values).toHaveLength(1);
expect(result.autofix!.rules.values[0]).toHaveProperty('conditions');
expect(result.autofix!.rules.values[0]).toHaveProperty('outputKey');
});
test('should accept valid switch structure', () => {
const validConfig = {
rules: {
values: [
{
conditions: {
value1: '={{$json.status}}',
operation: 'equals',
value2: 'active'
},
outputKey: 'active'
}
]
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.switch',
validConfig,
[],
'operation',
'ai-friendly'
);
// Should not have the specific fixedCollection error
const hasFixedCollectionError = result.errors.some(e =>
e.message.includes('propertyValues[itemName] is not iterable')
);
expect(hasFixedCollectionError).toBe(false);
});
test('should warn about missing outputKey in valid structure', () => {
const configMissingOutputKey = {
rules: {
values: [
{
conditions: {
value1: '={{$json.status}}',
operation: 'equals',
value2: 'active'
}
// Missing outputKey
}
]
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.switch',
configMissingOutputKey,
[],
'operation',
'ai-friendly'
);
const hasOutputKeyWarning = result.warnings.some(w =>
w.message.includes('missing "outputKey" property')
);
expect(hasOutputKeyWarning).toBe(true);
});
});
describe('If Node Validation', () => {
test('should detect invalid nested values structure', () => {
const invalidConfig = {
conditions: {
values: [
{
value1: '={{$json.age}}',
operation: 'largerEqual',
value2: 18
}
]
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.if',
invalidConfig,
[],
'operation',
'ai-friendly'
);
expect(result.valid).toBe(false);
expect(result.errors).toHaveLength(1);
expect(result.errors[0].type).toBe('invalid_value');
expect(result.errors[0].property).toBe('conditions');
expect(result.errors[0].message).toContain('Invalid structure for nodes-base.if node');
expect(result.errors[0].fix).toBe('Use: { "conditions": {...} } or { "conditions": [...] } directly, not nested under "values"');
});
test('should provide auto-fix for invalid if structure', () => {
const invalidConfig = {
conditions: {
values: [
{
value1: '={{$json.age}}',
operation: 'largerEqual',
value2: 18
}
]
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.if',
invalidConfig,
[],
'operation',
'ai-friendly'
);
expect(result.autofix).toBeDefined();
expect(result.autofix!.conditions).toEqual(invalidConfig.conditions.values);
});
test('should accept valid if structure', () => {
const validConfig = {
conditions: {
value1: '={{$json.age}}',
operation: 'largerEqual',
value2: 18
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.if',
validConfig,
[],
'operation',
'ai-friendly'
);
// Should not have the specific structure error
const hasStructureError = result.errors.some(e =>
e.message.includes('should be a filter object/array directly')
);
expect(hasStructureError).toBe(false);
});
});
describe('Filter Node Validation', () => {
test('should detect invalid nested values structure', () => {
const invalidConfig = {
conditions: {
values: [
{
value1: '={{$json.score}}',
operation: 'larger',
value2: 80
}
]
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.filter',
invalidConfig,
[],
'operation',
'ai-friendly'
);
expect(result.valid).toBe(false);
expect(result.errors).toHaveLength(1);
expect(result.errors[0].type).toBe('invalid_value');
expect(result.errors[0].property).toBe('conditions');
expect(result.errors[0].message).toContain('Invalid structure for nodes-base.filter node');
});
test('should accept valid filter structure', () => {
const validConfig = {
conditions: {
value1: '={{$json.score}}',
operation: 'larger',
value2: 80
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.filter',
validConfig,
[],
'operation',
'ai-friendly'
);
// Should not have the specific structure error
const hasStructureError = result.errors.some(e =>
e.message.includes('should be a filter object/array directly')
);
expect(hasStructureError).toBe(false);
});
});
describe('Edge Cases', () => {
test('should not validate non-problematic nodes', () => {
const config = {
someProperty: {
conditions: {
values: ['should', 'not', 'trigger', 'validation']
}
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.httpRequest',
config,
[],
'operation',
'ai-friendly'
);
// Should not have fixedCollection errors for non-problematic nodes
const hasFixedCollectionError = result.errors.some(e =>
e.message.includes('propertyValues[itemName] is not iterable')
);
expect(hasFixedCollectionError).toBe(false);
});
test('should handle empty config gracefully', () => {
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.switch',
{},
[],
'operation',
'ai-friendly'
);
// Should not crash or produce false positives
expect(result).toBeDefined();
expect(result.errors).toBeInstanceOf(Array);
});
test('should handle non-object property values', () => {
const config = {
rules: 'not an object'
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.switch',
config,
[],
'operation',
'ai-friendly'
);
// Should not crash on non-object values
expect(result).toBeDefined();
expect(result.errors).toBeInstanceOf(Array);
});
});
describe('Real-world AI Agent Patterns', () => {
test('should catch common ChatGPT/Claude switch patterns', () => {
// This is a pattern commonly generated by AI agents
const aiGeneratedConfig = {
rules: {
conditions: {
values: [
{
"value1": "={{$json.status}}",
"operation": "equals",
"value2": "active"
},
{
"value1": "={{$json.priority}}",
"operation": "equals",
"value2": "high"
}
]
}
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.switch',
aiGeneratedConfig,
[],
'operation',
'ai-friendly'
);
expect(result.valid).toBe(false);
expect(result.errors).toHaveLength(1);
expect(result.errors[0].message).toContain('propertyValues[itemName] is not iterable');
// Check auto-fix generates correct structure
expect(result.autofix!.rules.values).toHaveLength(2);
result.autofix!.rules.values.forEach((rule: any) => {
expect(rule).toHaveProperty('conditions');
expect(rule).toHaveProperty('outputKey');
});
});
test('should catch common AI if/filter patterns', () => {
const aiGeneratedIfConfig = {
conditions: {
values: {
"value1": "={{$json.age}}",
"operation": "largerEqual",
"value2": 21
}
}
};
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.if',
aiGeneratedIfConfig,
[],
'operation',
'ai-friendly'
);
expect(result.valid).toBe(false);
expect(result.errors[0].message).toContain('Invalid structure for nodes-base.if node');
});
});
describe('Version Compatibility', () => {
test('should work across different validation profiles', () => {
const invalidConfig = {
rules: {
conditions: {
values: [{ value1: 'test', operation: 'equals', value2: 'test' }]
}
}
};
const profiles: Array<'strict' | 'runtime' | 'ai-friendly' | 'minimal'> =
['strict', 'runtime', 'ai-friendly', 'minimal'];
profiles.forEach(profile => {
const result = EnhancedConfigValidator.validateWithMode(
'nodes-base.switch',
invalidConfig,
[],
'operation',
profile
);
// All profiles should catch this critical error
const hasCriticalError = result.errors.some(e =>
e.message.includes('propertyValues[itemName] is not iterable')
);
expect(hasCriticalError, `Profile ${profile} should catch critical fixedCollection error`).toBe(true);
});
});
});
});