1 files changed, 186 insertions, 0 deletions
diff --git a/packages/taler-wallet-cli/src/integrationtests/test-refund-incremental.ts b/packages/taler-wallet-cli/src/integrationtests/test-refund-incremental.ts
new file mode 100644
index 000000000..d90a4b5f6
--- /dev/null
+++ b/packages/taler-wallet-cli/src/integrationtests/test-refund-incremental.ts
@@ -0,0 +1,186 @@
+/*
+ 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 { GlobalTestState, delayMs, MerchantPrivateApi } from "./harness";
+import { createSimpleTestkudosEnvironment, withdrawViaBank } from "./helpers";
+import { TransactionType, Amounts, durationFromSpec } from "taler-wallet-core";
+
+/**
+ * Run test for basic, bank-integrated withdrawal.
+ */
+export async function runRefundIncrementalTest(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" });
+
+  // Set up order.
+
+  const orderResp = await MerchantPrivateApi.createOrder(merchant, "default", {
+    order: {
+      summary: "Buy me!",
+      amount: "TESTKUDOS:10",
+      fulfillment_url: "taler://fulfillment-success/thx",
+    },
+    refund_delay: durationFromSpec({ minutes: 5 }),
+  });
+
+  let orderStatus = await MerchantPrivateApi.queryPrivateOrderStatus(merchant, {
+    orderId: orderResp.order_id,
+  });
+
+  t.assertTrue(orderStatus.order_status === "unpaid");
+
+  // Make wallet pay for the order
+
+  const r1 = await wallet.apiRequest("preparePay", {
+    talerPayUri: orderStatus.taler_pay_uri,
+  });
+  t.assertTrue(r1.type === "response");
+
+  const r2 = await wallet.apiRequest("confirmPay", {
+    // FIXME: should be validated, don't cast!
+    proposalId: (r1.result as any).proposalId,
+  });
+  t.assertTrue(r2.type === "response");
+
+  // Check if payment was successful.
+
+  orderStatus = await MerchantPrivateApi.queryPrivateOrderStatus(merchant, {
+    orderId: orderResp.order_id,
+  });
+
+  t.assertTrue(orderStatus.order_status === "paid");
+
+  let ref = await MerchantPrivateApi.giveRefund(merchant, {
+    amount: "TESTKUDOS:2.5",
+    instance: "default",
+    justification: "foo",
+    orderId: orderResp.order_id,
+  });
+
+  console.log("first refund increase response", ref);
+
+  {
+    let wr = await wallet.applyRefund({
+      talerRefundUri: ref.talerRefundUri,
+    });
+    console.log(wr);
+    const txs = await wallet.getTransactions();
+    console.log(
+      "transactions after applying first refund:",
+      JSON.stringify(txs, undefined, 2),
+    );
+  }
+
+  // Wait at least a second, because otherwise the increased
+  // refund will be grouped with the previous one.
+  await delayMs(1200);
+
+  ref = await MerchantPrivateApi.giveRefund(merchant, {
+    amount: "TESTKUDOS:5",
+    instance: "default",
+    justification: "bar",
+    orderId: orderResp.order_id,
+  });
+
+  console.log("second refund increase response", ref);
+
+  // Wait at least a second, because otherwise the increased
+  // refund will be grouped with the previous one.
+  await delayMs(1200);
+
+  ref = await MerchantPrivateApi.giveRefund(merchant, {
+    amount: "TESTKUDOS:10",
+    instance: "default",
+    justification: "bar",
+    orderId: orderResp.order_id,
+  });
+
+  console.log("third refund increase response", ref);
+
+  {
+    let wr = await wallet.applyRefund({
+      talerRefundUri: ref.talerRefundUri,
+    });
+    console.log(wr);
+  }
+
+  orderStatus = await MerchantPrivateApi.queryPrivateOrderStatus(merchant, {
+    orderId: orderResp.order_id,
+  });
+
+  t.assertTrue(orderStatus.order_status === "paid");
+
+  t.assertAmountEquals(orderStatus.refund_amount, "TESTKUDOS:10");
+
+  console.log(JSON.stringify(orderStatus, undefined, 2));
+
+  await wallet.runUntilDone();
+
+  const bal = await wallet.getBalances();
+  console.log(JSON.stringify(bal, undefined, 2));
+
+  {
+    const txs = await wallet.getTransactions();
+    console.log(JSON.stringify(txs, undefined, 2));
+
+    const txTypes = txs.transactions.map((x) => x.type);
+    t.assertDeepEqual(txTypes, [
+      "withdrawal",
+      "payment",
+      "refund",
+      "refund",
+      "refund",
+    ]);
+
+    for (const tx of txs.transactions) {
+      if (tx.type !== TransactionType.Refund) {
+        continue;
+      }
+      t.assertAmountLeq(tx.amountEffective, tx.amountRaw);
+    }
+
+    const raw = Amounts.sum(
+      txs.transactions
+        .filter((x) => x.type === TransactionType.Refund)
+        .map((x) => x.amountRaw),
+    ).amount;
+
+    t.assertAmountEquals("TESTKUDOS:10", raw);
+
+    const effective = Amounts.sum(
+      txs.transactions
+        .filter((x) => x.type === TransactionType.Refund)
+        .map((x) => x.amountEffective),
+    ).amount;
+
+    t.assertAmountEquals("TESTKUDOS:8.33", effective);
+  }
+
+  await t.shutdown();
+}