confidence-scorer.test.ts•5.43 kB
import { describe, it, expect } from 'vitest';
import { ConfidenceScorer } from '../../../src/services/confidence-scorer';
describe('ConfidenceScorer', () => {
describe('scoreResourceLocatorRecommendation', () => {
it('should give high confidence for exact field matches', () => {
const score = ConfidenceScorer.scoreResourceLocatorRecommendation(
'owner',
'n8n-nodes-base.github',
'={{ $json.owner }}'
);
expect(score.value).toBeGreaterThanOrEqual(0.5);
expect(score.factors.find(f => f.name === 'exact-field-match')?.matched).toBe(true);
});
it('should give medium confidence for field pattern matches', () => {
const score = ConfidenceScorer.scoreResourceLocatorRecommendation(
'customerId',
'n8n-nodes-base.customApi',
'={{ $json.id }}'
);
expect(score.value).toBeGreaterThan(0);
expect(score.value).toBeLessThan(0.8);
expect(score.factors.find(f => f.name === 'field-pattern')?.matched).toBe(true);
});
it('should give low confidence for unrelated fields', () => {
const score = ConfidenceScorer.scoreResourceLocatorRecommendation(
'message',
'n8n-nodes-base.emailSend',
'={{ $json.content }}'
);
expect(score.value).toBeLessThan(0.3);
});
it('should consider value patterns', () => {
const score = ConfidenceScorer.scoreResourceLocatorRecommendation(
'target',
'n8n-nodes-base.httpRequest',
'={{ $json.userId }}'
);
const valueFactor = score.factors.find(f => f.name === 'value-pattern');
expect(valueFactor?.matched).toBe(true);
});
it('should consider node category', () => {
const scoreGitHub = ConfidenceScorer.scoreResourceLocatorRecommendation(
'field',
'n8n-nodes-base.github',
'={{ $json.value }}'
);
const scoreEmail = ConfidenceScorer.scoreResourceLocatorRecommendation(
'field',
'n8n-nodes-base.emailSend',
'={{ $json.value }}'
);
expect(scoreGitHub.value).toBeGreaterThan(scoreEmail.value);
});
it('should handle GitHub repository field with high confidence', () => {
const score = ConfidenceScorer.scoreResourceLocatorRecommendation(
'repository',
'n8n-nodes-base.github',
'={{ $vars.GITHUB_REPO }}'
);
expect(score.value).toBeGreaterThanOrEqual(0.5);
expect(ConfidenceScorer.getConfidenceLevel(score.value)).not.toBe('very-low');
});
it('should handle Slack channel field with high confidence', () => {
const score = ConfidenceScorer.scoreResourceLocatorRecommendation(
'channel',
'n8n-nodes-base.slack',
'={{ $json.channelId }}'
);
expect(score.value).toBeGreaterThanOrEqual(0.5);
});
});
describe('getConfidenceLevel', () => {
it('should return correct confidence levels', () => {
expect(ConfidenceScorer.getConfidenceLevel(0.9)).toBe('high');
expect(ConfidenceScorer.getConfidenceLevel(0.8)).toBe('high');
expect(ConfidenceScorer.getConfidenceLevel(0.6)).toBe('medium');
expect(ConfidenceScorer.getConfidenceLevel(0.5)).toBe('medium');
expect(ConfidenceScorer.getConfidenceLevel(0.4)).toBe('low');
expect(ConfidenceScorer.getConfidenceLevel(0.3)).toBe('low');
expect(ConfidenceScorer.getConfidenceLevel(0.2)).toBe('very-low');
expect(ConfidenceScorer.getConfidenceLevel(0)).toBe('very-low');
});
});
describe('shouldApplyRecommendation', () => {
it('should apply based on threshold', () => {
// Strict threshold (0.8)
expect(ConfidenceScorer.shouldApplyRecommendation(0.9, 'strict')).toBe(true);
expect(ConfidenceScorer.shouldApplyRecommendation(0.7, 'strict')).toBe(false);
// Normal threshold (0.5)
expect(ConfidenceScorer.shouldApplyRecommendation(0.6, 'normal')).toBe(true);
expect(ConfidenceScorer.shouldApplyRecommendation(0.4, 'normal')).toBe(false);
// Relaxed threshold (0.3)
expect(ConfidenceScorer.shouldApplyRecommendation(0.4, 'relaxed')).toBe(true);
expect(ConfidenceScorer.shouldApplyRecommendation(0.2, 'relaxed')).toBe(false);
});
it('should use normal threshold by default', () => {
expect(ConfidenceScorer.shouldApplyRecommendation(0.6)).toBe(true);
expect(ConfidenceScorer.shouldApplyRecommendation(0.4)).toBe(false);
});
});
describe('confidence factors', () => {
it('should include all expected factors', () => {
const score = ConfidenceScorer.scoreResourceLocatorRecommendation(
'testField',
'n8n-nodes-base.testNode',
'={{ $json.test }}'
);
expect(score.factors).toHaveLength(4);
expect(score.factors.map(f => f.name)).toContain('exact-field-match');
expect(score.factors.map(f => f.name)).toContain('field-pattern');
expect(score.factors.map(f => f.name)).toContain('value-pattern');
expect(score.factors.map(f => f.name)).toContain('node-category');
});
it('should have reasonable weights', () => {
const score = ConfidenceScorer.scoreResourceLocatorRecommendation(
'testField',
'n8n-nodes-base.testNode',
'={{ $json.test }}'
);
const totalWeight = score.factors.reduce((sum, f) => sum + f.weight, 0);
expect(totalWeight).toBeCloseTo(1.0, 1);
});
});
});