dev
70 lines
2.2 KiB
JavaScript
70 lines
2.2 KiB
JavaScript
import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import { parseTarget, computeEstimate } from '../src/pure.js';
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test('parseTarget: integer numbers', () => {
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assert.equal(parseTarget(25), 25);
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assert.equal(parseTarget(25000000), 25_000_000);
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assert.equal(parseTarget(2.5e7), 25_000_000);
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});
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test('parseTarget: string numbers with commas', () => {
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assert.equal(parseTarget('25'), 25);
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assert.equal(parseTarget('25,000,000'), 25_000_000);
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assert.equal(parseTarget('25,000,000.5'), 25_000_000);
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});
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test('parseTarget: magnitude suffixes (case-insensitive)', () => {
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assert.equal(parseTarget('25K'), 25_000);
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assert.equal(parseTarget('25m'), 25_000_000);
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assert.equal(parseTarget('1.5B'), 1_500_000_000);
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assert.equal(parseTarget('100t'), 100_000_000_000_000);
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});
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test('parseTarget: rejects invalid input', () => {
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assert.equal(parseTarget(0), null);
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assert.equal(parseTarget(-1), null);
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assert.equal(parseTarget('abc'), null);
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assert.equal(parseTarget(''), null);
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assert.equal(parseTarget(null), null);
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assert.equal(parseTarget(undefined), null);
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assert.equal(parseTarget('25M.5'), null);
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assert.equal(parseTarget('1.5.5M'), null);
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assert.equal(parseTarget('0'), null);
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});
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test('computeEstimate: typical case', () => {
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const r = computeEstimate(14_328_501, 25_000_000, 247, 4520);
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assert.equal(r.remaining, 10_671_499);
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assert.equal(r.trainsToGo, 43_205);
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assert.equal(r.days, 2_361);
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assert.ok(r.eta instanceof Date);
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});
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test('computeEstimate: target reached', () => {
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const r = computeEstimate(25_000_000, 25_000_000, 247, 4520);
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assert.equal(r.remaining, 0);
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assert.equal(r.trainsToGo, 0);
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assert.equal(r.days, 0);
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assert.equal(r.eta, null);
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});
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test('computeEstimate: target below current', () => {
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const r = computeEstimate(30_000_000, 25_000_000, 247, 4520);
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assert.equal(r.remaining, 0);
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assert.equal(r.trainsToGo, 0);
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assert.equal(r.days, 0);
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assert.equal(r.eta, null);
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});
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test('computeEstimate: zero perTrain or perDay does not crash', () => {
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const a = computeEstimate(100, 200, 0, 50);
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assert.equal(a.trainsToGo, 0);
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assert.equal(a.days, 2);
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const b = computeEstimate(100, 200, 50, 0);
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assert.equal(b.trainsToGo, 2);
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assert.equal(b.days, 0);
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assert.equal(b.eta, null);
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});
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