18 lines
896 B
TypeScript
18 lines
896 B
TypeScript
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import test from "node:test";
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import assert from "node:assert/strict";
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import { cashBalance, hasOpening, parseAmount } from "./cash-float";
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test("balance is opening + top-ups minus slips, to the cent", () => {
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assert.equal(cashBalance([{ kind: "opening", amount: 1000 }, { kind: "expense", amount: 250.1 }, { kind: "expense", amount: 0.2 }, { kind: "topup", amount: 100 }]), 849.7);
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assert.equal(cashBalance([]), 0);
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});
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test("a card with no opening entry is not started", () => {
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assert.equal(hasOpening([{ kind: "expense", amount: 5 }]), false);
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assert.equal(hasOpening([{ kind: "opening", amount: 0.01 }]), true);
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});
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test("amounts accept South African typing and refuse junk", () => {
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assert.equal(parseAmount("1 250,50"), 1250.5);
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assert.equal(parseAmount("12.345"), 12.35);
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for (const bad of ["", "0", "-5", "abc", "99999999"]) assert.equal(parseAmount(bad), null, bad);
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});
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