add test-merchant-longpolling

packages/taler-integrationtests/src/test-merchant-longpolling.ts

@@ -0,0 +1,132 @@
+/*
+ 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 { runTest, GlobalTestState } from "./harness";
+import { createSimpleTestkudosEnvironment, withdrawViaBank } from "./helpers";
+import {
+  PreparePayResultType,
+  codecForMerchantOrderStatusUnpaid,
+  ConfirmPayResultType,
+  URL,
+} from "taler-wallet-core";
+import axios from "axios";
+
+/**
+ * Run test for basic, bank-integrated withdrawal.
+ */
+runTest(async (t: GlobalTestState) => {
+  // Set up test environment
+
+  const {
+    wallet,
+    bank,
+    exchange,
+    merchant,
+  } = await createSimpleTestkudosEnvironment(t);
+
+  // Withdraw digital cash into the wallet.
+
+  await withdrawViaBank(t, { wallet, bank, exchange, amount: "TESTKUDOS:20" });
+
+  /**
+   * =========================================================================
+   * Create an order and let the wallet pay under a session ID
+   * 
+   * We check along the way that the JSON response to /orders/{order_id}
+   * returns the right thing.
+   * =========================================================================
+   */
+
+  let orderResp = await merchant.createOrder("default", {
+    order: {
+      summary: "Buy me!",
+      amount: "TESTKUDOS:5",
+      fulfillment_url: "https://example.com/article42",
+    },
+  });
+
+  const firstOrderId = orderResp.order_id;
+
+  let orderStatus = await merchant.queryPrivateOrderStatus({
+    orderId: orderResp.order_id,
+    sessionId: "mysession-one",
+  });
+
+  t.assertTrue(orderStatus.order_status === "unpaid");
+
+  t.assertTrue(orderStatus.already_paid_order_id === undefined);
+  let publicOrderStatusUrl = new URL(orderStatus.order_status_url);
+
+  // Wait for half a second seconds!
+  publicOrderStatusUrl.searchParams.set("timeout_ms", "500");
+
+  let publicOrderStatusResp = await axios.get(publicOrderStatusUrl.href, {
+    validateStatus: () => true,
+  });
+
+  if (publicOrderStatusResp.status != 402) {
+    throw Error(
+      `expected status 402 (before claiming), but got ${publicOrderStatusResp.status}`,
+    );
+  }
+
+  let pubUnpaidStatus = codecForMerchantOrderStatusUnpaid().decode(
+    publicOrderStatusResp.data,
+  );
+
+  console.log(pubUnpaidStatus);
+
+  /**
+   * =========================================================================
+   * Now actually pay, but WHILE a long poll is active!
+   * =========================================================================
+   */
+
+  publicOrderStatusUrl.searchParams.set("timeout_ms", "5000");
+
+  let publicOrderStatusPromise = axios.get(publicOrderStatusUrl.href, {
+    validateStatus: () => true,
+  });
+
+  let preparePayResp = await wallet.preparePay({
+    talerPayUri: pubUnpaidStatus.taler_pay_uri,
+  });
+
+  t.assertTrue(preparePayResp.status === PreparePayResultType.PaymentPossible);
+
+  const proposalId = preparePayResp.proposalId;
+
+  publicOrderStatusResp = await publicOrderStatusPromise;
+
+  if (publicOrderStatusResp.status != 402) {
+    throw Error(
+      `expected status 402 (after claiming), but got ${publicOrderStatusResp.status}`,
+    );
+  }
+
+  pubUnpaidStatus = codecForMerchantOrderStatusUnpaid().decode(
+    publicOrderStatusResp.data,
+  );
+
+  const confirmPayRes = await wallet.confirmPay({
+    proposalId: proposalId,
+  });
+
+  t.assertTrue(confirmPayRes.type === ConfirmPayResultType.Done);
+});