44 lines
1.3 KiB
TypeScript
44 lines
1.3 KiB
TypeScript
import { Base64TradeCoder, Base64CandleCoder } from '../base64';
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const t = {id: '1234567890', price: 0.1234567, size: 1234567, ts: Date.now()};
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const c = {open: 0.12345, close: 0.123456, high: 0.1234567, low: 0.12345678,
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volume: 1234567, vwap: 0.123456789, start: 1234567890, end: 1234567899};
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describe('Base64TradeCoder', () => {
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it('encodes to 20 bytes', () => {
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let e = new Base64TradeCoder().encode(t);
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expect(e.length).toBe(20);
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});
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it('preserves price,size,ts', () => {
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let e = new Base64TradeCoder().encode(t);
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let d = new Base64TradeCoder().decode(e);
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expect(d.price).toBeCloseTo(t.price, 7);
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expect(d.size).toBeCloseTo(t.size, 7);
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expect(d.ts).toBe(t.ts);
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});
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});
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describe('Base64CandleCoder', () => {
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it('encodes to 48 bytes', () => {
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let e = new Base64CandleCoder().encode(c);
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expect(e.length).toBe(48);
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});
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it('preserves data', () => {
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let e = new Base64CandleCoder().encode(c);
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let d = new Base64CandleCoder().decode(e);
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expect(d.open).toBeCloseTo(c.open, 7);
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expect(d.close).toBeCloseTo(c.close, 7);
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expect(d.high).toBeCloseTo(c.high, 7);
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expect(d.low).toBeCloseTo(c.low, 7);
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expect(d.volume).toBeCloseTo(c.volume, 7);
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expect(d.vwap).toBeCloseTo(c.vwap, 7);
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expect(d.start).toBe(c.start);
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expect(d.end).toBe(c.end);
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});
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});
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