Stephan D
d9318053e8
Relocate the existing Astro website and preserve its assets and hosting configuration. Add the consumer/backend scaffold and themed Flutter package with consumer tests. Related to #1.
46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
import test from 'node:test';
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import assert from 'node:assert/strict';
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import { calculateQuote, parseAmount } from '../src/lib/quote.ts';
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test('demo calculation deducts the example fee in currency cents', () => {
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assert.deepEqual(calculateQuote(1, 'BTC', 'EUR'), {
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rate: 57500,
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fee: 575,
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receive: 56925,
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demo: true,
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});
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assert.deepEqual(calculateQuote(2, 'ETH', 'USD'), {
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rate: 2500,
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fee: 50,
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receive: 4950,
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demo: true,
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});
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const q = calculateQuote(123.45, 'USDT', 'EUR');
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assert.equal(q.fee, 1.14);
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assert.equal(q.receive, 112.43);
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});
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test('accepts decimal comma and eight crypto decimal places', () => {
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assert.equal(parseAmount(' 0,25 '), 0.25);
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assert.equal(parseAmount('0.00000001'), 0.00000001);
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assert.equal(
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calculateQuote(parseAmount('0,25'), 'BTC', 'EUR').receive,
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14231.25,
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);
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});
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test('rejects ambiguous, malformed, excessive or invalid input', () => {
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for (const value of [
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'',
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'-1',
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'1e3',
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'1,2,3',
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'1.2.3',
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'<script>',
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'0.000000001',
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'1 000',
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])
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assert.ok(Number.isNaN(parseAmount(value)));
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for (const amount of [0, -1, NaN, Infinity, 1000001])
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assert.throws(() => calculateQuote(amount, 'BTC', 'EUR'), RangeError);
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assert.throws(() => calculateQuote(1, 'BOGUS', 'EUR'), RangeError);
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assert.throws(() => calculateQuote(1, 'BTC', 'BOGUS'), RangeError);
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});
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