Initial commit: webshare-api

Torznab + fake qBittorrent proxy for Webshare.cz, with Compose/Docker
packaging, MIT license, and tests.

__tests__/torrent.test.js

@@ -0,0 +1,55 @@
+const { makeTorrent, extractWebseed } = require('../src/torrent');
+
+describe('makeTorrent + extractWebseed round-trip', () => {
+  it('extracts the webseed URL back from a generated torrent', () => {
+    const url = 'http://example.com/stream/abc123';
+    const buf = makeTorrent({ name: 'test.mkv', size: 1024 * 1024, webseedUrl: url });
+    expect(extractWebseed(buf)).toBe(url);
+  });
+
+  it('works with size 0', () => {
+    const url = 'http://example.com/stream/xyz';
+    const buf = makeTorrent({ name: 'empty.mkv', size: 0, webseedUrl: url });
+    expect(extractWebseed(buf)).toBe(url);
+  });
+
+  it('produces a Buffer', () => {
+    const buf = makeTorrent({ name: 'f.mkv', size: 100, webseedUrl: 'http://x.com/s/y' });
+    expect(Buffer.isBuffer(buf)).toBe(true);
+    expect(buf.length).toBeGreaterThan(0);
+  });
+
+  it('encodes name into the torrent', () => {
+    const buf = makeTorrent({ name: 'movie.mkv', size: 500, webseedUrl: 'http://x.com/s/z' });
+    expect(buf.toString()).toContain('movie.mkv');
+  });
+});
+
+describe('extractWebseed', () => {
+  it('returns null for empty buffer', () => {
+    expect(extractWebseed(Buffer.alloc(0))).toBeNull();
+  });
+
+  it('returns null for non-torrent data', () => {
+    expect(extractWebseed(Buffer.from('not a torrent'))).toBeNull();
+  });
+
+  it('returns null when url-list is missing', () => {
+    // Bencode a dict without url-list
+    const buf = makeTorrent({ name: 'f.mkv', size: 0, webseedUrl: 'http://x.com/s/a' });
+    // Corrupt the url-list key to make it missing
+    const str = buf.toString('binary').replace('url-list', 'url-xxxx');
+    const corrupted = Buffer.from(str, 'binary');
+    expect(extractWebseed(corrupted)).toBeNull();
+  });
+
+  it('handles url-list as array', () => {
+    // Manually build a torrent-like bencode with url-list as list
+    const { makeTorrent: mt } = require('../src/torrent');
+    // We test via the actual makeTorrent which uses a string — round-trip test above covers it.
+    // Here just verify the array branch: if url-list is a Buffer (string) it still returns a string.
+    const url = 'http://cdn.example.com/stream/abcdef';
+    const buf = mt({ name: 't.mkv', size: 50, webseedUrl: url });
+    expect(typeof extractWebseed(buf)).toBe('string');
+  });
+});