/**
* Tests for domain analyzer service (Phase 025)
*/
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import Database from 'better-sqlite3';
import { analyzeDomains, suggestDomainConsolidation, getDomainStats } from '../../../src/services/metadata/domain-analyzer.js';
vi.mock('../../../src/utils/logger.js', () => ({
logger: { info: vi.fn(), warn: vi.fn(), error: vi.fn(), debug: vi.fn() },
}));
describe('domain analyzer', () => {
let db: Database.Database;
beforeEach(() => {
db = new Database(':memory:');
db.exec(`
CREATE TABLE notes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
path TEXT NOT NULL UNIQUE,
title TEXT,
type TEXT,
domain TEXT,
created TEXT,
modified TEXT,
source TEXT,
confidence REAL,
verified INTEGER DEFAULT 0
)
`);
});
afterEach(() => {
db.close();
});
function insertNote(path: string, domain: string) {
db.prepare('INSERT INTO notes (path, title, domain) VALUES (?, ?, ?)').run(path, path, domain);
}
describe('analyzeDomains', () => {
it('returns empty results for empty vault', () => {
const result = analyzeDomains(db);
expect(result.totalDomains).toBe(0);
expect(result.totalNotes).toBe(0);
expect(result.orphanedDomains).toHaveLength(0);
});
it('counts domain usage across notes', () => {
insertNote('note1.md', '["kubernetes"]');
insertNote('note2.md', '["kubernetes"]');
insertNote('note3.md', '["docker"]');
const result = analyzeDomains(db);
expect(result.totalDomains).toBe(2);
expect(result.domainUsage.get('kubernetes')?.noteCount).toBe(2);
expect(result.domainUsage.get('docker')?.noteCount).toBe(1);
});
it('finds orphaned domains (single note)', () => {
insertNote('note1.md', '["kubernetes"]');
insertNote('note2.md', '["kubernetes"]');
insertNote('note3.md', '["rare-topic"]');
const result = analyzeDomains(db);
expect(result.orphanedDomains).toHaveLength(1);
expect(result.orphanedDomains[0].domain).toBe('rare-topic');
});
it('finds similar domains', () => {
insertNote('note1.md', '["kubernetes"]');
insertNote('note2.md', '["kubernetes"]');
insertNote('note3.md', '["kubernete"]'); // typo - very similar
insertNote('note4.md', '["kubernete"]');
const result = analyzeDomains(db);
expect(result.similarDomains.length).toBeGreaterThan(0);
expect(result.similarDomains[0].similarity).toBeGreaterThanOrEqual(0.8);
});
it('returns top domains sorted by usage', () => {
insertNote('note1.md', '["a"]');
insertNote('note2.md', '["a"]');
insertNote('note3.md', '["a"]');
insertNote('note4.md', '["b"]');
insertNote('note5.md', '["b"]');
insertNote('note6.md', '["c"]');
const result = analyzeDomains(db);
expect(result.topDomains[0].domain).toBe('a');
expect(result.topDomains[0].noteCount).toBe(3);
});
it('handles comma-separated domain format', () => {
insertNote('note1.md', 'kubernetes,docker');
const result = analyzeDomains(db);
expect(result.totalDomains).toBe(2);
expect(result.domainUsage.has('kubernetes')).toBe(true);
expect(result.domainUsage.has('docker')).toBe(true);
});
it('handles plain string domain', () => {
insertNote('note1.md', 'single-domain');
const result = analyzeDomains(db);
expect(result.totalDomains).toBe(1);
expect(result.domainUsage.has('single-domain')).toBe(true);
});
it('normalizes domains to lowercase', () => {
insertNote('note1.md', '["Kubernetes"]');
insertNote('note2.md', '["kubernetes"]');
const result = analyzeDomains(db);
expect(result.domainUsage.get('kubernetes')?.noteCount).toBe(2);
});
});
describe('suggestDomainConsolidation', () => {
it('suggests merging orphaned domains into similar non-orphaned ones', () => {
insertNote('note1.md', '["kubernetes"]');
insertNote('note2.md', '["kubernetes"]');
insertNote('note3.md', '["kubernete"]'); // orphan with typo
const analysis = analyzeDomains(db);
const suggestions = suggestDomainConsolidation(analysis);
expect(suggestions.length).toBeGreaterThan(0);
expect(suggestions[0].suggestedDomain).toBe('kubernetes');
});
it('respects custom threshold', () => {
insertNote('note1.md', '["docker"]');
insertNote('note2.md', '["docker"]');
insertNote('note3.md', '["dock"]'); // orphan
const analysis = analyzeDomains(db);
// Very high threshold should reject suggestions
const strict = suggestDomainConsolidation(analysis, 0.99);
expect(strict).toHaveLength(0);
});
});
describe('getDomainStats', () => {
it('calculates domain statistics', () => {
insertNote('note1.md', '["kubernetes"]');
insertNote('note2.md', '["kubernetes"]');
insertNote('note3.md', '["docker"]');
insertNote('note4.md', '["rare"]');
const analysis = analyzeDomains(db);
const stats = getDomainStats(analysis);
expect(stats.totalDomains).toBe(3);
expect(stats.totalNotes).toBe(4);
expect(stats.orphanedCount).toBe(2); // docker and rare (1 each)
expect(stats.maxNotesPerDomain).toBe(2);
expect(stats.topDomain).toBe('kubernetes');
expect(stats.averageNotesPerDomain).toBeCloseTo(4 / 3);
});
it('handles empty analysis', () => {
const analysis = analyzeDomains(db);
const stats = getDomainStats(analysis);
expect(stats.totalDomains).toBe(0);
expect(stats.orphanedPercent).toBe(0);
expect(stats.averageNotesPerDomain).toBe(0);
expect(stats.topDomain).toBeNull();
});
});
});
