122 lines
3.2 KiB
TypeScript
122 lines
3.2 KiB
TypeScript
/*
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This file is part of TALER
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(C) 2017 Inria and GNUnet e.V.
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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import test from "ava";
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import { AmountJson } from "./util/amounts";
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import * as Amounts from "./util/amounts";
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import { selectPayCoins, AvailableCoinInfo } from "./operations/pay";
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function a(x: string): AmountJson {
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const amt = Amounts.parse(x);
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if (!amt) {
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throw Error("invalid amount");
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}
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return amt;
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}
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function fakeAci(current: string, feeDeposit: string): AvailableCoinInfo {
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return {
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availableAmount: a(current),
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coinPub: "foobar",
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denomPub: "foobar",
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feeDeposit: a(feeDeposit),
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};
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}
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test("coin selection 1", (t) => {
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const acis: AvailableCoinInfo[] = [
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fakeAci("EUR:1.0", "EUR:0.1"),
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fakeAci("EUR:1.0", "EUR:0.0"),
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];
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const res = selectPayCoins(acis, a("EUR:2.0"), a("EUR:0"), a("EUR:0.1"));
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if (!res) {
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t.fail();
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return;
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}
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t.true(res.coinPubs.length === 2);
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t.pass();
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});
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test("coin selection 2", (t) => {
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const acis: AvailableCoinInfo[] = [
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fakeAci("EUR:1.0", "EUR:0.5"),
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fakeAci("EUR:1.0", "EUR:0.0"),
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// Merchant covers the fee, this one shouldn't be used
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fakeAci("EUR:1.0", "EUR:0.0"),
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];
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const res = selectPayCoins(acis, a("EUR:2.0"), a("EUR:0"), a("EUR:0.5"));
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if (!res) {
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t.fail();
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return;
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}
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t.true(res.coinPubs.length === 2);
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t.pass();
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});
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test("coin selection 3", (t) => {
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const acis: AvailableCoinInfo[] = [
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fakeAci("EUR:1.0", "EUR:0.5"),
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fakeAci("EUR:1.0", "EUR:0.5"),
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// this coin should be selected instead of previous one with fee
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fakeAci("EUR:1.0", "EUR:0.0"),
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];
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const res = selectPayCoins(acis, a("EUR:2.0"), a("EUR:0"), a("EUR:0.5"));
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if (!res) {
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t.fail();
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return;
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}
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t.true(res.coinPubs.length === 2);
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t.pass();
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});
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test("coin selection 4", (t) => {
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const acis: AvailableCoinInfo[] = [
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fakeAci("EUR:1.0", "EUR:0.5"),
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fakeAci("EUR:1.0", "EUR:0.5"),
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fakeAci("EUR:1.0", "EUR:0.5"),
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];
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const res = selectPayCoins(acis, a("EUR:2.0"), a("EUR:0"), a("EUR:0.5"));
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if (!res) {
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t.fail();
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return;
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}
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t.true(res.coinPubs.length === 3);
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t.pass();
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});
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test("coin selection 5", (t) => {
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const acis: AvailableCoinInfo[] = [
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fakeAci("EUR:1.0", "EUR:0.5"),
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fakeAci("EUR:1.0", "EUR:0.5"),
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fakeAci("EUR:1.0", "EUR:0.5"),
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];
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const res = selectPayCoins(acis, a("EUR:4.0"), a("EUR:0"), a("EUR:0.2"));
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t.true(!res);
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t.pass();
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});
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test("coin selection 6", (t) => {
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const acis: AvailableCoinInfo[] = [
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fakeAci("EUR:1.0", "EUR:0.5"),
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fakeAci("EUR:1.0", "EUR:0.5"),
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];
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const res = selectPayCoins(acis, a("EUR:2.0"), a("EUR:0"), a("EUR:0.2"));
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t.true(!res);
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t.pass();
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});
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