// The live Binance feed's connect → read → reconnect pipeline is covered // deterministically by the Rust mock-WS-server tests in wickra-data. Here we only // assert the binding's error paths, which need no network. const test = require('node:test'); const assert = require('node:assert/strict'); const { BinanceFeed, fetchBinanceKlines } = require('..'); test('binance feed rejects an unknown interval', () => { assert.throws(() => new BinanceFeed('BTCUSDT', 99)); }); test('binance feed rejects an empty symbol list', () => { assert.throws(() => new BinanceFeed('', 1)); }); test('binance feed rejects an unreachable endpoint', () => { assert.throws(() => new BinanceFeed('BTCUSDT', 1, 'ws://127.0.0.1:1')); }); // The REST fetcher's parse/HTTP success path is covered deterministically by the // Rust mock-HTTP-server tests in wickra-data; here we only assert the binding's // error paths, which short-circuit before (or fail fast at) the network. test('fetchBinanceKlines rejects an unknown interval', () => { assert.throws(() => fetchBinanceKlines('BTCUSDT', 99, 1)); }); test('fetchBinanceKlines rejects an out-of-range limit', () => { assert.throws(() => fetchBinanceKlines('BTCUSDT', 6, 0)); }); test('fetchBinanceKlines surfaces an unreachable endpoint', () => { assert.throws(() => fetchBinanceKlines('BTCUSDT', 6, 1, null, null, 'http://127.0.0.1:1')); });