1 files changed, 165 insertions, 0 deletions
diff --git a/packages/taler-harness/src/integrationtests/test-merchant-longpolling.ts b/packages/taler-harness/src/integrationtests/test-merchant-longpolling.ts
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+++ b/packages/taler-harness/src/integrationtests/test-merchant-longpolling.ts
@@ -0,0 +1,165 @@
+/*
+ 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,
+  URL,
+  codecForMerchantOrderStatusUnpaid,
+} from "@gnu-taler/taler-util";
+import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
+import { GlobalTestState, harnessHttpLib } from "../harness/harness.js";
+import {
+  createSimpleTestkudosEnvironmentV2,
+  withdrawViaBankV2,
+} from "../harness/helpers.js";
+
+/**
+ * Run test for basic, bank-integrated withdrawal.
+ */
+export async function runMerchantLongpollingTest(t: GlobalTestState) {
+  // Set up test environment
+  const { walletClient, bank, exchange, merchant } =
+    await createSimpleTestkudosEnvironmentV2(t);
+
+  // Withdraw digital cash into the wallet.
+
+  const wres = await withdrawViaBankV2(t, {
+    walletClient,
+    bank,
+    exchange,
+    amount: "TESTKUDOS:20",
+  });
+
+  await wres.withdrawalFinishedCond;
+
+  const merchantClient = new MerchantApiClient(merchant.makeInstanceBaseUrl());
+
+  /**
+   * =========================================================================
+   * 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 merchantClient.createOrder({
+    order: {
+      summary: "Buy me!",
+      amount: "TESTKUDOS:5",
+      fulfillment_url: "https://example.com/article42",
+    },
+    create_token: false,
+  });
+
+  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 = new URL(orderStatus.order_status_url);
+
+  // First, request order status without longpolling
+  {
+    console.log("requesting", publicOrderStatusUrl.href);
+    let publicOrderStatusResp = await harnessHttpLib.fetch(
+      publicOrderStatusUrl.href,
+    );
+
+    if (publicOrderStatusResp.status != 402) {
+      throw Error(
+        `expected status 402 (before claiming, no long polling), but got ${publicOrderStatusResp.status}`,
+      );
+    }
+  }
+
+  // Now do long-polling for half a second!
+  publicOrderStatusUrl.searchParams.set("timeout_ms", "500");
+
+  console.log("requesting", publicOrderStatusUrl.href);
+  let publicOrderStatusResp = await harnessHttpLib.fetch(
+    publicOrderStatusUrl.href,
+  );
+
+  if (publicOrderStatusResp.status != 402) {
+    throw Error(
+      `expected status 402 (before claiming, with long-polling), but got ${publicOrderStatusResp.status}`,
+    );
+  }
+
+  let pubUnpaidStatus = codecForMerchantOrderStatusUnpaid().decode(
+    await publicOrderStatusResp.json(),
+  );
+
+  console.log(pubUnpaidStatus);
+
+  /**
+   * =========================================================================
+   * Now actually pay, but WHILE a long poll is active!
+   * =========================================================================
+   */
+
+  let preparePayResp = await walletClient.call(
+    WalletApiOperation.PreparePayForUri,
+    {
+      talerPayUri: pubUnpaidStatus.taler_pay_uri,
+    },
+  );
+
+  t.assertTrue(preparePayResp.status === PreparePayResultType.PaymentPossible);
+
+  publicOrderStatusUrl.searchParams.set("timeout_ms", "5000");
+  publicOrderStatusUrl.searchParams.set(
+    "h_contract",
+    preparePayResp.contractTermsHash,
+  );
+
+  let publicOrderStatusPromise = harnessHttpLib.fetch(
+    publicOrderStatusUrl.href,
+  );
+
+  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(
+    await publicOrderStatusResp.json(),
+  );
+
+  const confirmPayRes = await walletClient.call(WalletApiOperation.ConfirmPay, {
+    proposalId: proposalId,
+  });
+
+  t.assertTrue(confirmPayRes.type === ConfirmPayResultType.Done);
+}
+
+runMerchantLongpollingTest.suites = ["merchant"];