2 files changed, 96 insertions, 0 deletions
diff --git a/packages/taler-wallet-cli/src/integrationtests/test-forced-selection.ts b/packages/taler-wallet-cli/src/integrationtests/test-forced-selection.ts
new file mode 100644
index 000000000..0fe5f639a
--- /dev/null
+++ b/packages/taler-wallet-cli/src/integrationtests/test-forced-selection.ts
@@ -0,0 +1,94 @@
+/*
+ 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,
+  j2s,
+  PreparePayResultType,
+} from "@gnu-taler/taler-util";
+import { Wallet, WalletApiOperation } from "@gnu-taler/taler-wallet-core";
+import {
+  GlobalTestState,
+  MerchantPrivateApi,
+  WithAuthorization,
+} from "../harness/harness.js";
+import { createSimpleTestkudosEnvironment } from "../harness/helpers.js";
+
+/**
+ * Run test for forced denom/coin selection.
+ */
+export async function runForcedSelectionTest(t: GlobalTestState) {
+  // Set up test environment
+
+  const { wallet, bank, exchange, merchant } =
+    await createSimpleTestkudosEnvironment(t);
+
+  await wallet.client.call(WalletApiOperation.AddExchange, {
+    exchangeBaseUrl: exchange.baseUrl,
+  });
+
+  await wallet.client.call(WalletApiOperation.WithdrawTestBalance, {
+    exchangeBaseUrl: exchange.baseUrl,
+    amount: "TESTKUDOS:10",
+    bankBaseUrl: bank.baseUrl,
+    forcedDenomSel: {
+      denoms: [
+        {
+          value: "TESTKUDOS:2",
+          count: 3,
+        },
+      ],
+    },
+  });
+
+  await wallet.runUntilDone();
+
+  const coinDump = await wallet.client.call(WalletApiOperation.DumpCoins, {});
+  console.log(coinDump);
+  t.assertDeepEqual(coinDump.coins.length, 3);
+
+  const payResp = await wallet.client.call(WalletApiOperation.TestPay, {
+    amount: "TESTKUDOS:3",
+    merchantBaseUrl: merchant.makeInstanceBaseUrl(),
+    summary: "bla",
+    forcedCoinSel: {
+      coins: [
+        {
+          value: "TESTKUDOS:2",
+          contribution: "TESTKUDOS:1",
+        },
+        {
+          value: "TESTKUDOS:2",
+          contribution: "TESTKUDOS:1",
+        },
+        {
+          value: "TESTKUDOS:2",
+          contribution: "TESTKUDOS:1",
+        },
+      ],
+    },
+  });
+
+  console.log(j2s(payResp));
+
+  // Without forced selection, we would only use 2 coins.
+  t.assertDeepEqual(payResp.payCoinSelection.coinContributions.length, 3);
+}
+
+runForcedSelectionTest.suites = ["wallet"];
diff --git a/packages/taler-wallet-cli/src/integrationtests/testrunner.ts b/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
index db66aa7d7..e8aef5136 100644
--- a/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
+++ b/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
@@ -34,6 +34,7 @@ import { runDepositTest } from "./test-deposit";
 import { runExchangeManagementTest } from "./test-exchange-management";
 import { runExchangeTimetravelTest } from "./test-exchange-timetravel.js";
 import { runFeeRegressionTest } from "./test-fee-regression";
+import { runForcedSelectionTest } from "./test-forced-selection.js";
 import { runLibeufinApiBankaccountTest } from "./test-libeufin-api-bankaccount";
 import { runLibeufinApiBankconnectionTest } from "./test-libeufin-api-bankconnection";
 import { runLibeufinApiFacadeTest } from "./test-libeufin-api-facade";
@@ -113,6 +114,7 @@ const allTests: TestMainFunction[] = [
   runExchangeManagementTest,
   runExchangeTimetravelTest,
   runFeeRegressionTest,
+  runForcedSelectionTest,
   runLibeufinBasicTest,
   runLibeufinKeyrotationTest,
   runLibeufinTutorialTest,