mirror of
https://github.com/czlonkowski/n8n-mcp.git
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6be9ffa53e
Three critical fixes in n8n_update_partial_workflow: - **#665**: Replace incorrect `isNotEmpty`/`isEmpty` operator names with `notEmpty`/`empty` across validators, sanitizer, docs, and error messages. Add auto-correction in sanitizer. Unknown operators silently returned false in n8n's execution engine. - **#659**: Remap numeric `targetInput` values (e.g., "0") to "main" in addConnection. Relax sourceOutput remapping guard for redundant sourceOutput+sourceIndex combinations. Also resolves #653 (dangling connections caused by malformed type:"0" connections). - **#642**: Implement __patch_find_replace for surgical string edits in updateNode. Previously stored patch objects literally as jsCode, producing [object Object]. Now reads current value, applies find/replace sequentially, writes back the string. Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
495 lines
14 KiB
TypeScript
495 lines
14 KiB
TypeScript
/**
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* Node Sanitizer Tests
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* Tests for auto-adding required metadata to filter-based nodes
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*/
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import { describe, it, expect } from 'vitest';
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import { sanitizeNode, validateNodeMetadata } from '../../../src/services/node-sanitizer';
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import { WorkflowNode } from '../../../src/types/n8n-api';
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describe('Node Sanitizer', () => {
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describe('sanitizeNode', () => {
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it('should add complete filter options to IF v2.2 node', () => {
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const node: WorkflowNode = {
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id: 'test-if',
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name: 'IF Node',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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conditions: [
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{
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id: 'condition1',
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leftValue: '={{ $json.value }}',
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rightValue: '',
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operator: {
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type: 'string',
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operation: 'isNotEmpty'
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}
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}
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]
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}
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}
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};
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const sanitized = sanitizeNode(node);
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// Check that options were added
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expect(sanitized.parameters.conditions).toHaveProperty('options');
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const options = (sanitized.parameters.conditions as any).options;
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expect(options).toEqual({
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version: 2,
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leftValue: '',
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caseSensitive: true,
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typeValidation: 'strict'
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});
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});
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it('should preserve existing options while adding missing fields', () => {
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const node: WorkflowNode = {
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id: 'test-if-partial',
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name: 'IF Node Partial',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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options: {
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caseSensitive: false // User-provided value
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},
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conditions: []
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}
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}
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};
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const sanitized = sanitizeNode(node);
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const options = (sanitized.parameters.conditions as any).options;
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// Should preserve user value
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expect(options.caseSensitive).toBe(false);
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// Should add missing fields
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expect(options.version).toBe(2);
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expect(options.leftValue).toBe('');
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expect(options.typeValidation).toBe('strict');
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});
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it('should fix invalid operator structure (type field misuse)', () => {
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const node: WorkflowNode = {
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id: 'test-if-bad-operator',
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name: 'IF Bad Operator',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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conditions: [
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{
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id: 'condition1',
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leftValue: '={{ $json.value }}',
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rightValue: '',
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operator: {
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type: 'isNotEmpty' // WRONG: type should be data type, not operation
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}
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}
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]
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}
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}
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};
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const sanitized = sanitizeNode(node);
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const condition = (sanitized.parameters.conditions as any).conditions[0];
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// Should fix operator structure and auto-correct isNotEmpty to notEmpty
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expect(condition.operator.type).toBe('string'); // Inferred data type (default)
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expect(condition.operator.operation).toBe('notEmpty'); // Moved to operation field and auto-corrected
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});
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it('should add singleValue for unary operators', () => {
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const node: WorkflowNode = {
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id: 'test-if-unary',
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name: 'IF Unary',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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conditions: [
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{
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id: 'condition1',
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leftValue: '={{ $json.value }}',
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rightValue: '',
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operator: {
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type: 'string',
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operation: 'isNotEmpty'
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// Missing singleValue
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}
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}
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]
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}
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}
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};
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const sanitized = sanitizeNode(node);
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const condition = (sanitized.parameters.conditions as any).conditions[0];
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expect(condition.operator.singleValue).toBe(true);
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});
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it('should sanitize Switch v3.2 node rules', () => {
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const node: WorkflowNode = {
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id: 'test-switch',
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name: 'Switch Node',
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type: 'n8n-nodes-base.switch',
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typeVersion: 3.2,
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position: [0, 0],
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parameters: {
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mode: 'rules',
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rules: {
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rules: [
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{
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outputKey: 'audio',
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conditions: {
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conditions: [
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{
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id: 'cond1',
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leftValue: '={{ $json.fileType }}',
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rightValue: 'audio',
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operator: {
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type: 'string',
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operation: 'equals'
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}
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}
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]
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}
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}
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]
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}
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}
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};
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const sanitized = sanitizeNode(node);
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const rule = (sanitized.parameters.rules as any).rules[0];
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// Check that options were added to rule conditions
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expect(rule.conditions).toHaveProperty('options');
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expect(rule.conditions.options).toEqual({
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version: 2,
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leftValue: '',
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caseSensitive: true,
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typeValidation: 'strict'
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});
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});
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it('should not modify non-filter nodes', () => {
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const node: WorkflowNode = {
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id: 'test-http',
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name: 'HTTP Request',
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type: 'n8n-nodes-base.httpRequest',
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typeVersion: 4.2,
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position: [0, 0],
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parameters: {
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method: 'GET',
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url: 'https://example.com'
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}
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};
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const sanitized = sanitizeNode(node);
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// Should return unchanged
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expect(sanitized).toEqual(node);
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});
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it('should not modify old IF versions', () => {
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const node: WorkflowNode = {
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id: 'test-if-old',
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name: 'Old IF',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.0, // Pre-filter version
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position: [0, 0],
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parameters: {
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conditions: []
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}
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};
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const sanitized = sanitizeNode(node);
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// Should return unchanged
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expect(sanitized).toEqual(node);
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});
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it('should remove singleValue from binary operators like "equals"', () => {
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const node: WorkflowNode = {
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id: 'test-if-binary',
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name: 'IF Binary Operator',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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conditions: [
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{
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id: 'condition1',
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leftValue: '={{ $json.value }}',
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rightValue: 'test',
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operator: {
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type: 'string',
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operation: 'equals',
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singleValue: true // WRONG: equals is binary, not unary
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}
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}
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]
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}
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}
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};
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const sanitized = sanitizeNode(node);
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const condition = (sanitized.parameters.conditions as any).conditions[0];
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// Should remove singleValue from binary operator
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expect(condition.operator.singleValue).toBeUndefined();
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expect(condition.operator.type).toBe('string');
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expect(condition.operator.operation).toBe('equals');
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});
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it('should auto-correct isNotEmpty to notEmpty', () => {
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const node: WorkflowNode = {
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id: 'test-if-autocorrect',
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name: 'IF AutoCorrect',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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conditions: [
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{
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id: 'condition1',
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leftValue: '={{ $json.value }}',
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rightValue: '',
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operator: {
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type: 'string',
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operation: 'isNotEmpty' // Legacy operator name
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}
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}
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]
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}
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}
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};
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const sanitized = sanitizeNode(node);
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const condition = (sanitized.parameters.conditions as any).conditions[0];
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// Should auto-correct isNotEmpty to notEmpty
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expect(condition.operator.operation).toBe('notEmpty');
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expect(condition.operator.type).toBe('string');
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expect(condition.operator.singleValue).toBe(true); // notEmpty is unary
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});
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});
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describe('validateNodeMetadata', () => {
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it('should detect missing conditions.options', () => {
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const node: WorkflowNode = {
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id: 'test',
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name: 'IF Missing Options',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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conditions: []
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// Missing options
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}
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}
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};
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const issues = validateNodeMetadata(node);
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expect(issues.length).toBeGreaterThan(0);
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expect(issues[0]).toBe('Missing conditions.options');
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});
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it('should detect missing operator.type', () => {
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const node: WorkflowNode = {
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id: 'test',
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name: 'IF Bad Operator',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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options: {
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version: 2,
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leftValue: '',
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caseSensitive: true,
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typeValidation: 'strict'
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},
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conditions: [
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{
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id: 'cond1',
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leftValue: '={{ $json.value }}',
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rightValue: '',
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operator: {
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operation: 'equals'
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// Missing type
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}
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}
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]
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}
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}
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};
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const issues = validateNodeMetadata(node);
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expect(issues.length).toBeGreaterThan(0);
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expect(issues.some(issue => issue.includes("missing required field 'type'"))).toBe(true);
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});
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it('should detect invalid operator.type value', () => {
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const node: WorkflowNode = {
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id: 'test',
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name: 'IF Invalid Type',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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options: {
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version: 2,
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leftValue: '',
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caseSensitive: true,
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typeValidation: 'strict'
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},
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conditions: [
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{
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id: 'cond1',
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leftValue: '={{ $json.value }}',
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rightValue: '',
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operator: {
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type: 'isNotEmpty', // WRONG: operation name, not data type
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operation: 'isNotEmpty'
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}
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}
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]
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}
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}
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};
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const issues = validateNodeMetadata(node);
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expect(issues.some(issue => issue.includes('invalid type "isNotEmpty"'))).toBe(true);
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});
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it('should detect missing singleValue for unary operators', () => {
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const node: WorkflowNode = {
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id: 'test',
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name: 'IF Missing SingleValue',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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options: {
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version: 2,
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leftValue: '',
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caseSensitive: true,
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typeValidation: 'strict'
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},
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conditions: [
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{
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id: 'cond1',
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leftValue: '={{ $json.value }}',
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rightValue: '',
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operator: {
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type: 'string',
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operation: 'notEmpty'
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// Missing singleValue: true
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}
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}
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]
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}
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}
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};
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const issues = validateNodeMetadata(node);
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expect(issues.length).toBeGreaterThan(0);
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expect(issues.some(issue => issue.includes('requires singleValue: true'))).toBe(true);
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});
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it('should detect singleValue on binary operators', () => {
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const node: WorkflowNode = {
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id: 'test',
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name: 'IF Binary with SingleValue',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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options: {
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version: 2,
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leftValue: '',
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caseSensitive: true,
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typeValidation: 'strict'
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},
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conditions: [
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{
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id: 'cond1',
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leftValue: '={{ $json.value }}',
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rightValue: 'test',
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operator: {
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type: 'string',
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operation: 'equals',
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singleValue: true // WRONG: equals is binary
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}
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}
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]
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}
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}
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};
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const issues = validateNodeMetadata(node);
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expect(issues.length).toBeGreaterThan(0);
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expect(issues.some(issue => issue.includes('should not have singleValue: true'))).toBe(true);
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});
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it('should return empty array for valid node', () => {
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const node: WorkflowNode = {
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id: 'test',
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name: 'Valid IF',
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type: 'n8n-nodes-base.if',
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typeVersion: 2.2,
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position: [0, 0],
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parameters: {
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conditions: {
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options: {
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version: 2,
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leftValue: '',
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caseSensitive: true,
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typeValidation: 'strict'
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},
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conditions: [
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{
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id: 'cond1',
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leftValue: '={{ $json.value }}',
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rightValue: '',
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operator: {
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type: 'string',
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operation: 'notEmpty',
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singleValue: true
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}
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}
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]
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}
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}
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};
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const issues = validateNodeMetadata(node);
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expect(issues).toEqual([]);
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});
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});
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});
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