diff options
Diffstat (limited to 'packages/taler-wallet-core/src/wallet-test.ts')
-rw-r--r-- | packages/taler-wallet-core/src/wallet-test.ts | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/wallet-test.ts b/packages/taler-wallet-core/src/wallet-test.ts new file mode 100644 index 000000000..4b06accf2 --- /dev/null +++ b/packages/taler-wallet-core/src/wallet-test.ts @@ -0,0 +1,121 @@ +/* + This file is part of TALER + (C) 2017 Inria and GNUnet e.V. + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +import test from "ava"; + +import { AmountJson } from "./util/amounts"; +import * as Amounts from "./util/amounts"; +import { selectPayCoins, AvailableCoinInfo } from "./operations/pay"; + +function a(x: string): AmountJson { + const amt = Amounts.parse(x); + if (!amt) { + throw Error("invalid amount"); + } + return amt; +} + +function fakeAci(current: string, feeDeposit: string): AvailableCoinInfo { + return { + availableAmount: a(current), + coinPub: "foobar", + denomPub: "foobar", + feeDeposit: a(feeDeposit), + }; +} + +test("coin selection 1", (t) => { + const acis: AvailableCoinInfo[] = [ + fakeAci("EUR:1.0", "EUR:0.1"), + fakeAci("EUR:1.0", "EUR:0.0"), + ]; + + const res = selectPayCoins(acis, a("EUR:2.0"), a("EUR:0"), a("EUR:0.1")); + if (!res) { + t.fail(); + return; + } + t.true(res.coinPubs.length === 2); + t.pass(); +}); + +test("coin selection 2", (t) => { + const acis: AvailableCoinInfo[] = [ + fakeAci("EUR:1.0", "EUR:0.5"), + fakeAci("EUR:1.0", "EUR:0.0"), + // Merchant covers the fee, this one shouldn't be used + fakeAci("EUR:1.0", "EUR:0.0"), + ]; + const res = selectPayCoins(acis, a("EUR:2.0"), a("EUR:0"), a("EUR:0.5")); + if (!res) { + t.fail(); + return; + } + t.true(res.coinPubs.length === 2); + t.pass(); +}); + +test("coin selection 3", (t) => { + const acis: AvailableCoinInfo[] = [ + fakeAci("EUR:1.0", "EUR:0.5"), + fakeAci("EUR:1.0", "EUR:0.5"), + // this coin should be selected instead of previous one with fee + fakeAci("EUR:1.0", "EUR:0.0"), + ]; + const res = selectPayCoins(acis, a("EUR:2.0"), a("EUR:0"), a("EUR:0.5")); + if (!res) { + t.fail(); + return; + } + t.true(res.coinPubs.length === 2); + t.pass(); +}); + +test("coin selection 4", (t) => { + const acis: AvailableCoinInfo[] = [ + fakeAci("EUR:1.0", "EUR:0.5"), + fakeAci("EUR:1.0", "EUR:0.5"), + fakeAci("EUR:1.0", "EUR:0.5"), + ]; + const res = selectPayCoins(acis, a("EUR:2.0"), a("EUR:0"), a("EUR:0.5")); + if (!res) { + t.fail(); + return; + } + t.true(res.coinPubs.length === 3); + t.pass(); +}); + +test("coin selection 5", (t) => { + const acis: AvailableCoinInfo[] = [ + fakeAci("EUR:1.0", "EUR:0.5"), + fakeAci("EUR:1.0", "EUR:0.5"), + fakeAci("EUR:1.0", "EUR:0.5"), + ]; + const res = selectPayCoins(acis, a("EUR:4.0"), a("EUR:0"), a("EUR:0.2")); + t.true(!res); + t.pass(); +}); + +test("coin selection 6", (t) => { + const acis: AvailableCoinInfo[] = [ + fakeAci("EUR:1.0", "EUR:0.5"), + fakeAci("EUR:1.0", "EUR:0.5"), + ]; + const res = selectPayCoins(acis, a("EUR:2.0"), a("EUR:0"), a("EUR:0.2")); + t.true(!res); + t.pass(); +}); |