integration test file

packages/taler-integrationtests/src/test-pay-abort.ts

@@ -0,0 +1,206 @@
+/*
+ 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/>
+ */
+
+/**
+ * Fault injection test to check aborting partial payment
+ * via refunds.
+ */
+
+/**
+ * Imports.
+ */
+import {
+  runTest,
+  GlobalTestState,
+  MerchantService,
+  ExchangeService,
+  setupDb,
+  BankService,
+  WalletCli,
+  MerchantPrivateApi,
+  BankApi,
+  BankAccessApi,
+} from "./harness";
+import {
+  FaultInjectedExchangeService,
+  FaultInjectionRequestContext,
+  FaultInjectionResponseContext,
+} from "./faultInjection";
+import {
+  PreparePayResultType,
+  URL,
+  TalerErrorCode,
+} from "taler-wallet-core";
+import { defaultCoinConfig } from "./denomStructures";
+import { withdrawViaBank, makeTestPayment } from "./helpers";
+
+/**
+ * Run test for basic, bank-integrated withdrawal.
+ */
+runTest(async (t: GlobalTestState) => {
+  // Set up test environment
+
+  const db = await setupDb(t);
+
+  const bank = await BankService.create(t, {
+    allowRegistrations: true,
+    currency: "TESTKUDOS",
+    database: db.connStr,
+    httpPort: 8082,
+  });
+
+  const exchange = ExchangeService.create(t, {
+    name: "testexchange-1",
+    currency: "TESTKUDOS",
+    httpPort: 8081,
+    database: db.connStr,
+  });
+
+  const exchangeBankAccount = await bank.createExchangeAccount(
+    "MyExchange",
+    "x",
+  );
+
+  bank.setSuggestedExchange(exchange, exchangeBankAccount.accountPaytoUri);
+
+  await bank.start();
+
+  await bank.pingUntilAvailable();
+
+  await exchange.addBankAccount("1", exchangeBankAccount);
+  exchange.addOfferedCoins(defaultCoinConfig);
+
+  await exchange.start();
+  await exchange.pingUntilAvailable();
+
+  const faultyExchange = new FaultInjectedExchangeService(t, exchange, 8091);
+
+  const merchant = await MerchantService.create(t, {
+    name: "testmerchant-1",
+    currency: "TESTKUDOS",
+    httpPort: 8083,
+    database: db.connStr,
+  });
+
+  merchant.addExchange(faultyExchange);
+
+  await merchant.start();
+  await merchant.pingUntilAvailable();
+
+  await merchant.addInstance({
+    id: "default",
+    name: "Default Instance",
+    paytoUris: [`payto://x-taler-bank/merchant-default`],
+  });
+
+  console.log("setup done!");
+
+  const wallet = new WalletCli(t);
+
+  // Create withdrawal operation
+
+  await withdrawViaBank(t, {
+    wallet,
+    exchange: faultyExchange,
+    amount: "TESTKUDOS:20",
+    bank,
+  });
+
+  // faultyExchange.faultProxy.addFault({
+  //   modifyRequest(ctx: FaultInjectionRequestContext) {
+  //     console.log("proxy request to", ctx.requestUrl);
+  //   }
+  // });
+
+  const orderResp = await MerchantPrivateApi.createOrder(merchant, "default", {
+    order: {
+      summary: "Buy me!",
+      amount: "TESTKUDOS:15",
+      fulfillment_url: "taler://fulfillment-success/thx",
+    },
+  });
+
+  let orderStatus = await MerchantPrivateApi.queryPrivateOrderStatus(merchant, {
+    orderId: orderResp.order_id,
+  });
+
+  t.assertTrue(orderStatus.order_status === "unpaid");
+
+  // Make wallet pay for the order
+
+  const preparePayResult = await wallet.preparePay({
+    talerPayUri: orderStatus.taler_pay_uri,
+  });
+
+  t.assertTrue(
+    preparePayResult.status === PreparePayResultType.PaymentPossible,
+  );
+
+  // We let only the first deposit through!
+  let firstDepositUrl: string | undefined;
+
+  faultyExchange.faultProxy.addFault({
+    modifyRequest(ctx: FaultInjectionRequestContext) {
+      const url = new URL(ctx.requestUrl);
+      if (url.pathname.endsWith("/deposit")) {
+        if (!firstDepositUrl) {
+          firstDepositUrl = url.href;
+          return;
+        }
+        if (url.href != firstDepositUrl) {
+          url.pathname = "/doesntexist";
+          ctx.requestUrl = url.href;
+        }
+      }
+    },
+    modifyResponse(ctx: FaultInjectionResponseContext) {
+      const url = new URL(ctx.request.requestUrl);
+      if (url.pathname.endsWith("/deposit") && url.href != firstDepositUrl) {
+        ctx.responseBody = Buffer.from("{}");
+        ctx.statusCode = 500;
+      }
+    },
+  });
+
+  await t.assertThrowsOperationErrorAsync(async () => {
+    await wallet.confirmPay({
+      proposalId: preparePayResult.proposalId,
+    });
+  });
+
+  let txr = await wallet.getTransactions();
+  console.log(JSON.stringify(txr, undefined, 2));
+
+  t.assertDeepEqual(txr.transactions[1].type, "payment");
+  t.assertDeepEqual(txr.transactions[1].pending, true);
+  t.assertDeepEqual(
+    txr.transactions[1].error?.code,
+    TalerErrorCode.WALLET_UNEXPECTED_REQUEST_ERROR,
+  );
+
+  await wallet.abortFailedPayWithRefund({
+    proposalId: preparePayResult.proposalId,
+  });
+
+  await wallet.runUntilDone();
+
+  txr = await wallet.getTransactions();
+  console.log(JSON.stringify(txr, undefined, 2));
+
+  const txTypes = txr.transactions.map((x) => x.type);
+
+  t.assertDeepEqual(txTypes, ["withdrawal", "payment", "refund"]);
+});