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/*
This file is part of GNU Taler
(C) 2020 Taler Systems S.A.
GNU 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.
GNU 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
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* Imports.
*/
import {
ConfirmPayResultType,
MerchantApiClient,
PreparePayResultType,
TalerErrorCode,
TalerErrorDetail,
URL,
codecForMerchantOrderStatusUnpaid,
} from "@gnu-taler/taler-util";
import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
import {
createFaultInjectedMerchantTestkudosEnvironment,
withdrawViaBankV2,
} from "../harness/environments.js";
import { FaultInjectionResponseContext } from "../harness/faultInjection.js";
import { GlobalTestState, harnessHttpLib } from "../harness/harness.js";
/**
* Run test for a payment where the merchant has a transient
* failure in /pay
*/
export async function runPaymentTransientTest(t: GlobalTestState) {
// Set up test environment
const { walletClient, bank, faultyMerchant, faultyExchange } =
await createFaultInjectedMerchantTestkudosEnvironment(t);
const merchantClient = new MerchantApiClient(
faultyMerchant.makeInstanceBaseUrl(),
);
// Withdraw digital cash into the wallet.
const wres = await withdrawViaBankV2(t, {
walletClient,
bank,
exchange: faultyExchange,
amount: "TESTKUDOS:20",
});
await wres.withdrawalFinishedCond;
let orderResp = await merchantClient.createOrder({
order: {
summary: "Buy me!",
amount: "TESTKUDOS:5",
fulfillment_url: "https://example.com/article42",
public_reorder_url: "https://example.com/article42-share",
},
});
let orderStatus = await merchantClient.queryPrivateOrderStatus({
orderId: orderResp.order_id,
sessionId: "mysession-one",
});
t.assertTrue(orderStatus.order_status === "unpaid");
t.assertTrue(orderStatus.already_paid_order_id === undefined);
let publicOrderStatusUrl = orderStatus.order_status_url;
let publicOrderStatusResp = await harnessHttpLib.fetch(publicOrderStatusUrl);
if (publicOrderStatusResp.status != 402) {
throw Error(
`expected status 402 (before claiming), but got ${publicOrderStatusResp.status}`,
);
}
let pubUnpaidStatus = codecForMerchantOrderStatusUnpaid().decode(
publicOrderStatusResp.json(),
);
console.log(pubUnpaidStatus);
let preparePayResp = await walletClient.call(
WalletApiOperation.PreparePayForUri,
{
talerPayUri: pubUnpaidStatus.taler_pay_uri,
},
);
t.assertTrue(preparePayResp.status === PreparePayResultType.PaymentPossible);
const proposalTransactionId = preparePayResp.transactionId;
publicOrderStatusResp = await harnessHttpLib.fetch(publicOrderStatusUrl);
if (publicOrderStatusResp.status != 402) {
throw Error(
`expected status 402 (after claiming), but got ${publicOrderStatusResp.status}`,
);
}
pubUnpaidStatus = codecForMerchantOrderStatusUnpaid().decode(
publicOrderStatusResp.json(),
);
let faultInjected = false;
faultyMerchant.faultProxy.addFault({
async modifyResponse(ctx: FaultInjectionResponseContext) {
console.log("in modifyResponse");
const url = new URL(ctx.request.requestUrl);
console.log("pathname is", url.pathname);
if (!url.pathname.endsWith("/pay")) {
return;
}
if (faultInjected) {
console.log("not injecting pay fault");
return;
}
faultInjected = true;
console.log("injecting pay fault");
const err: TalerErrorDetail = {
code: TalerErrorCode.GENERIC_DB_COMMIT_FAILED,
hint: "something went wrong",
};
ctx.responseBody = Buffer.from(JSON.stringify(err));
ctx.statusCode = 500;
},
});
const confirmPayResp = await walletClient.call(
WalletApiOperation.ConfirmPay,
{
transactionId: proposalTransactionId,
},
);
console.log(confirmPayResp);
t.assertTrue(confirmPayResp.type === ConfirmPayResultType.Pending);
t.assertTrue(faultInjected);
const confirmPayRespTwo = await walletClient.call(
WalletApiOperation.ConfirmPay,
{
transactionId: proposalTransactionId,
},
);
t.assertTrue(confirmPayRespTwo.type === ConfirmPayResultType.Done);
// Now ask the merchant if paid
console.log("requesting", publicOrderStatusUrl);
publicOrderStatusResp = await harnessHttpLib.fetch(publicOrderStatusUrl);
console.log(publicOrderStatusResp.json());
if (publicOrderStatusResp.status != 200) {
console.log(publicOrderStatusResp.json());
throw Error(
`expected status 200 (after paying), but got ${publicOrderStatusResp.status}`,
);
}
}
runPaymentTransientTest.suites = ["wallet"];
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