// src/sources/free/rssPatternSource.test.ts
import { describe, it, expect, vi, beforeEach } from 'vitest';
import { RssPatternSource, BasePattern, RssPatternSourceOptions } from './rssPatternSource.js';
// Mock dependencies
vi.mock('../../utils/cache.js', () => ({
rssCache: {
get: vi.fn(async () => undefined),
set: vi.fn(async () => undefined),
},
articleCache: {
get: vi.fn(async () => undefined),
set: vi.fn(async () => undefined),
},
}));
vi.mock('rss-parser', () => {
return {
default: class Parser {
async parseURL(url: string) {
return {
items: [
{
guid: '1',
title: 'How to test Swift code',
link: 'https://example.com/1',
pubDate: '2026-01-01',
contentSnippet: 'A guide to testing in Swift',
content: '<p>Some content <code>let x = 1</code></p>',
},
{
guid: '2',
title: 'SwiftUI Patterns',
link: 'https://example.com/2',
pubDate: '2026-01-02',
contentSnippet: 'SwiftUI best practices',
content: '<p>SwiftUI <pre>struct ContentView: View {}</pre></p>',
},
],
};
}
},
};
});
// Minimal options for testing
const testTopicKeywords = {
'testing': ['test'],
'swiftui': ['swiftui'],
};
const testQualitySignals = {
'how to': 5,
'swiftui': 6,
};
interface TestPattern extends BasePattern {}
class TestSource extends RssPatternSource<TestPattern> {
constructor() {
super({
feedUrl: 'https://test.com/feed',
cacheKey: 'test-patterns',
topicKeywords: testTopicKeywords,
qualitySignals: testQualitySignals,
});
}
protected makePattern(obj: BasePattern): TestPattern {
return { ...obj };
}
}
describe('RssPatternSource', () => {
let source: TestSource;
beforeEach(() => {
source = new TestSource();
});
it('fetches and parses patterns', async () => {
const patterns = await source.fetchPatterns();
expect(patterns).toHaveLength(2);
expect(patterns[0].title).toBe('How to test Swift code');
expect(patterns[0].topics).toContain('testing');
expect(patterns[1].topics).toContain('swiftui');
expect(patterns[0].hasCode).toBe(true);
expect(patterns[1].hasCode).toBe(true);
});
it('calculates relevance score', async () => {
const patterns = await source.fetchPatterns();
// First pattern: 'how to' + 'test' + code
expect(patterns[0].relevanceScore).toBeGreaterThanOrEqual(65);
// Second pattern: 'swiftui' + code
expect(patterns[1].relevanceScore).toBeGreaterThanOrEqual(66);
});
it('searchPatterns returns relevant results', async () => {
const results = await source.searchPatterns('swiftui');
expect(results[0].title).toMatch(/swiftui/i);
expect(results[0].topics).toContain('swiftui');
});
});
