Files
Neon-Desk/lib/server/sec.test.ts

85 lines
2.7 KiB
TypeScript

import { describe, expect, it, mock } from 'bun:test';
import {
fetchPrimaryFilingText,
normalizeSecDocumentText,
resolvePrimaryFilingUrl,
trimSecDocumentTextForPrompt
} from './sec';
describe('sec filing text helpers', () => {
it('normalizes html filing content into plain text', () => {
const html = `
<html>
<head>
<style>.x { color: red; }</style>
<script>console.log("ignore")</script>
</head>
<body>
<h1>Quarterly&nbsp;Report</h1>
<p>Revenue &amp; margin improved.</p>
<div>See &#39;Risk Factors&#39; section.</div>
</body>
</html>
`;
const normalized = normalizeSecDocumentText(html);
expect(normalized).toContain('Quarterly Report');
expect(normalized).toContain('Revenue & margin improved.');
expect(normalized).toContain('See \'Risk Factors\' section.');
expect(normalized).not.toContain('<script>');
expect(normalized).not.toContain('console.log');
});
it('trims filing text to prompt budget boundaries', () => {
const text = `A`.repeat(4_500);
const result = trimSecDocumentTextForPrompt(text, 2_000);
expect(result.truncated).toBe(true);
expect(result.text.length).toBeLessThanOrEqual(2_000);
});
it('prefers explicit filing url when available', () => {
const url = resolvePrimaryFilingUrl({
filingUrl: 'https://www.sec.gov/Archives/edgar/data/123/x.htm',
cik: '123',
accessionNumber: '0000-00-00',
primaryDocument: 'x.htm'
});
expect(url).toBe('https://www.sec.gov/Archives/edgar/data/123/x.htm');
});
it('reconstructs primary filing url when filing url is absent', () => {
const url = resolvePrimaryFilingUrl({
filingUrl: null,
cik: '0000320193',
accessionNumber: '0000320193-24-000001',
primaryDocument: 'a10q.htm'
});
expect(url).toBe('https://www.sec.gov/Archives/edgar/data/320193/000032019324000001/a10q.htm');
});
it('fetches, normalizes, and clips primary filing text', async () => {
const longHtml = `<html><body><p>${'Alpha '.repeat(600)}</p></body></html>`;
const fetchImpl = mock(async () => new Response(longHtml, { status: 200 })) as unknown as typeof fetch;
const result = await fetchPrimaryFilingText({
filingUrl: null,
cik: '0000320193',
accessionNumber: '0000320193-24-000001',
primaryDocument: 'a10q.htm'
}, {
fetchImpl,
maxChars: 1_000
});
expect(fetchImpl).toHaveBeenCalledTimes(1);
expect(result).not.toBeNull();
expect(result?.source).toBe('primary_document');
expect(result?.truncated).toBe(true);
expect(result?.text.length).toBeLessThanOrEqual(1_000);
});
});