node-utils.test.ts•4.68 kB
import { describe, it, expect } from 'vitest';
import { getNodeTypeAlternatives, normalizeNodeType, getWorkflowNodeType } from '../../../src/utils/node-utils';
describe('node-utils', () => {
describe('getNodeTypeAlternatives', () => {
describe('valid inputs', () => {
it('should generate alternatives for standard node type', () => {
const alternatives = getNodeTypeAlternatives('nodes-base.httpRequest');
expect(alternatives).toContain('nodes-base.httprequest');
expect(alternatives.length).toBeGreaterThan(0);
});
it('should generate alternatives for langchain node type', () => {
const alternatives = getNodeTypeAlternatives('nodes-langchain.agent');
expect(alternatives).toContain('nodes-langchain.agent');
expect(alternatives.length).toBeGreaterThan(0);
});
it('should generate alternatives for bare node name', () => {
const alternatives = getNodeTypeAlternatives('webhook');
expect(alternatives).toContain('nodes-base.webhook');
expect(alternatives).toContain('nodes-langchain.webhook');
});
});
describe('invalid inputs - defensive validation', () => {
it('should return empty array for undefined', () => {
const alternatives = getNodeTypeAlternatives(undefined as any);
expect(alternatives).toEqual([]);
});
it('should return empty array for null', () => {
const alternatives = getNodeTypeAlternatives(null as any);
expect(alternatives).toEqual([]);
});
it('should return empty array for empty string', () => {
const alternatives = getNodeTypeAlternatives('');
expect(alternatives).toEqual([]);
});
it('should return empty array for whitespace-only string', () => {
const alternatives = getNodeTypeAlternatives(' ');
expect(alternatives).toEqual([]);
});
it('should return empty array for non-string input (number)', () => {
const alternatives = getNodeTypeAlternatives(123 as any);
expect(alternatives).toEqual([]);
});
it('should return empty array for non-string input (object)', () => {
const alternatives = getNodeTypeAlternatives({} as any);
expect(alternatives).toEqual([]);
});
it('should return empty array for non-string input (array)', () => {
const alternatives = getNodeTypeAlternatives([] as any);
expect(alternatives).toEqual([]);
});
});
describe('edge cases', () => {
it('should handle node type with only prefix', () => {
const alternatives = getNodeTypeAlternatives('nodes-base.');
expect(alternatives).toBeInstanceOf(Array);
});
it('should handle node type with multiple dots', () => {
const alternatives = getNodeTypeAlternatives('nodes-base.some.complex.type');
expect(alternatives).toBeInstanceOf(Array);
expect(alternatives.length).toBeGreaterThan(0);
});
it('should handle camelCase node names', () => {
const alternatives = getNodeTypeAlternatives('nodes-base.httpRequest');
expect(alternatives).toContain('nodes-base.httprequest');
});
});
});
describe('normalizeNodeType', () => {
it('should normalize n8n-nodes-base prefix', () => {
expect(normalizeNodeType('n8n-nodes-base.webhook')).toBe('nodes-base.webhook');
});
it('should normalize @n8n/n8n-nodes-langchain prefix', () => {
expect(normalizeNodeType('@n8n/n8n-nodes-langchain.agent')).toBe('nodes-langchain.agent');
});
it('should normalize n8n-nodes-langchain prefix', () => {
expect(normalizeNodeType('n8n-nodes-langchain.chatTrigger')).toBe('nodes-langchain.chatTrigger');
});
it('should leave already normalized types unchanged', () => {
expect(normalizeNodeType('nodes-base.slack')).toBe('nodes-base.slack');
});
it('should leave community nodes unchanged', () => {
expect(normalizeNodeType('community.customNode')).toBe('community.customNode');
});
});
describe('getWorkflowNodeType', () => {
it('should construct workflow node type for n8n-nodes-base', () => {
expect(getWorkflowNodeType('n8n-nodes-base', 'nodes-base.webhook')).toBe('n8n-nodes-base.webhook');
});
it('should construct workflow node type for langchain', () => {
expect(getWorkflowNodeType('@n8n/n8n-nodes-langchain', 'nodes-langchain.agent')).toBe('@n8n/n8n-nodes-langchain.agent');
});
it('should return as-is for unknown packages', () => {
expect(getWorkflowNodeType('custom-package', 'custom.node')).toBe('custom.node');
});
});
});